# -*- coding: utf-8 -*-

"""
 (c) 2015-2016 - Copyright Red Hat Inc

 Authors:
   Pierre-Yves Chibon <pingou@pingoured.fr>

"""

from __future__ import unicode_literals, absolute_import

import collections
import datetime

import arrow
import flask
import six

import pagure
import pagure.exceptions
import pagure.lib.query
from pagure.api import API, api_method, APIERROR, get_page, get_per_page
from pagure.utils import is_true, validate_date, validate_date_range


def _get_user(username):
    """ Check user is valid or not
    """
    try:
        return pagure.lib.query.get_user(flask.g.session, username)
    except pagure.exceptions.PagureException:
        raise pagure.exceptions.APIError(404, error_code=APIERROR.ENOUSER)


@API.route("/user/<username>")
@api_method
def api_view_user(username):
    """
    User information
    ----------------
    Use this endpoint to retrieve information about a specific user.

    ::

        GET /api/0/user/<username>

    ::

        GET /api/0/user/ralph

    Parameters
    ^^^^^^^^^^

    +---------------+----------+---------------+--------------------------+
    | Key           | Type     | Optionality   | Description              |
    +===============+==========+===============+==========================+
    | ``repopage``  | int      | Optional      | | Specifies which        |
    |               |          |               |   page of the projects   |
    |               |          |               |   to return              |
    |               |          |               |   (defaults to: 1)       |
    +---------------+----------+---------------+--------------------------+
    | ``forkpage``  | int      | Optional      | | Specifies which        |
    |               |          |               |   page of the forks      |
    |               |          |               |   to return              |
    |               |          |               |   (defaults to: 1)       |
    +---------------+----------+---------------+--------------------------+
    | ``per_page``  | int      | Optional      | | The number of items    |
    |               |          |               |   to return per page.    |
    |               |          |               |   The maximum is 100.    |
    +---------------+----------+---------------+--------------------------+

    Sample response
    ^^^^^^^^^^^^^^^

    ::

        {
          "forks": [],
          "repos": [
            {
              "custom_keys": [],
              "description": "",
              "parent": null,
              "tags": [],
              "namespace": None,
              "priorities": {},
              "close_status": [
                "Invalid",
                "Insufficient data",
                "Fixed",
                "Duplicated"
              ],
              "milestones": {},
              "user": {
                "fullname": "ralph",
                "name": "ralph"
              },
              "date_created": "1426595173",
              "id": 5,
              "name": "pagure"
            }
          ],
          "repos_pagination": {
            "first": "http://localhost:5000/api/0/user/ralph?per_page=1&repopage=1",
            "last": "http://localhost:5000/api/0/user/ralph?per_page=1&repopage=123",
            "next": "http://localhost:5000/api/0/user/ralph?per_page=1&repopage=2",
            "pages": 123,
            "per_page": 1,
            "prev": null,
            "repopage": 1
          },
          "user": {
            "fullname": "ralph",
            "name": "ralph",
            "avatar_url": "https://seccdn.libravatar.org/avatar/5dac3?s=16&d=retro"
          }
        }

    """  # noqa
    httpcode = 200
    output = {}

    user = _get_user(username=username)

    per_page = get_per_page()
    repopage = flask.request.args.get("repopage", 1)
    try:
        repopage = int(repopage)
    except ValueError:
        repopage = 1

    forkpage = flask.request.args.get("forkpage", 1)
    try:
        forkpage = int(forkpage)
    except ValueError:
        forkpage = 1

    repos_cnt = pagure.lib.query.search_projects(
        flask.g.session, username=username, fork=False, count=True
    )

    pagination_metadata_repo = pagure.lib.query.get_pagination_metadata(
        flask.request, repopage, per_page, repos_cnt, key_page="repopage"
    )
    repopage_start = (repopage - 1) * per_page
    repopage_limit = per_page

    repos = pagure.lib.query.search_projects(
        flask.g.session,
        username=username,
        fork=False,
        start=repopage_start,
        limit=repopage_limit,
    )

    forks_cnt = pagure.lib.query.search_projects(
        flask.g.session, username=username, fork=True, count=True
    )

    pagination_metadata_fork = pagure.lib.query.get_pagination_metadata(
        flask.request, forkpage, per_page, forks_cnt, key_page="forkpage"
    )
    forkpage_start = (forkpage - 1) * per_page
    forkpage_limit = per_page

    forks = pagure.lib.query.search_projects(
        flask.g.session,
        username=username,
        fork=True,
        start=forkpage_start,
        limit=forkpage_limit,
    )

    output["user"] = user.to_json(public=True)
    output["user"]["avatar_url"] = pagure.lib.query.avatar_url_from_email(
        user.default_email, size=16
    )
    output["repos"] = [repo.to_json(public=True) for repo in repos]
    output["forks"] = [repo.to_json(public=True) for repo in forks]
    output["repos_pagination"] = pagination_metadata_repo
    output["forks_pagination"] = pagination_metadata_fork

    jsonout = flask.jsonify(output)
    jsonout.status_code = httpcode
    return jsonout


@API.route("/user/<username>/issues")
@api_method
def api_view_user_issues(username):
    """
    List user's issues
    ---------------------
    List issues opened by or assigned to a specific user across all projects.

    ::

        GET /api/0/user/<username>/issues

    Parameters
    ^^^^^^^^^^

    +---------------+---------+--------------+-----------------------------+
    | Key           | Type    | Optionality  | Description                 |
    +===============+=========+==============+=============================+
    | ``page``      | integer | Mandatory    | | The page requested.       |
    |               |         |              |   Defaults to 1.            |
    +---------------+---------+--------------+-----------------------------+
    | ``per_page``  | int     | Optional     | | The number of items       |
    |               |         |              |   to return per page.       |
    |               |         |              |   The maximum is 100.       |
    +---------------+---------+--------------+-----------------------------+
    | ``status``    | string  | Optional     | | Filters the status of     |
    |               |         |              |   issues. Fetches all the   |
    |               |         |              |   issues if status is       |
    |               |         |              |   ``all``. Default:         |
    |               |         |              |   ``Open``                  |
    +---------------+---------+--------------+-----------------------------+
    | ``tags``      | string  | Optional     | | A list of tags you wish to|
    |               |         |              |   filter. If you want to    |
    |               |         |              |   filter for issues not     |
    |               |         |              |   having a tag, add an      |
    |               |         |              |   exclamation mark in front |
    |               |         |              |   of it                     |
    +---------------+---------+--------------+-----------------------------+
    | ``milestones``| list of | Optional     | | Filter the issues by      |
    |               | strings |              |   milestone                 |
    +---------------+---------+--------------+-----------------------------+
    | ``no_stones`` | boolean | Optional     | | If true returns only the  |
    |               |         |              |   issues having no          |
    |               |         |              |   milestone, if false       |
    |               |         |              |   returns only the issues   |
    |               |         |              |   having a milestone        |
    +---------------+---------+--------------+-----------------------------+
    | ``since``     | string  | Optional     | | Filter the issues         |
    |               |         |              |   updated after this date.  |
    |               |         |              |   The date can either be    |
    |               |         |              |   provided as an unix date  |
    |               |         |              |   or in the format Y-M-D    |
    +---------------+---------+--------------+-----------------------------+
    | ``order``     | string  | Optional     | | Set the ordering of the   |
    |               |         |              |   issues. This can be       |
    |               |         |              |   ``asc`` or ``desc``.      |
    |               |         |              |   Default: ``desc``         |
    +---------------+---------+--------------+-----------------------------+
    | ``order_key`` | string  | Optional     | | Set the ordering key.     |
    |               |         |              |   This can be ``assignee``  |
    |               |         |              |   , ``last_updated`` or     |
    |               |         |              |   name of other column.     |
    |               |         |              |   Default: ``date_created`` |
    +---------------+---------+--------------+-----------------------------+
    | ``assignee``  | boolean | Optional     | | A boolean of whether to   |
    |               |         |              |   return the issues         |
    |               |         |              |   assigned to this user     |
    |               |         |              |   or not. Defaults to True  |
    +---------------+---------+--------------+-----------------------------+
    | ``author``    | boolean | Optional     | | A boolean of whether to   |
    |               |         |              |   return the issues         |
    |               |         |              |   created by this user or   |
    |               |         |              |   not. Defaults to True     |
    +---------------+---------+--------------+-----------------------------+
    | ``created``   | string  | Optional     | | Filter the issues returned|
    |               |         |              |   by their creation date    |
    |               |         |              |   The date can be of        |
    |               |         |              |   specified either using    |
    |               |         |              |   a timestamp format or     |
    |               |         |              |   using the iso format for  |
    |               |         |              |   dates: yyyy-mm-dd.        |
    |               |         |              |   You can specify a start   |
    |               |         |              |   and a end date to this    |
    |               |         |              |   filter using start..end.  |
    +---------------+---------+--------------+-----------------------------+
    | ``updated``   | string  | Optional     | | Filter the pull-requests  |
    |               |         |              |   returned by their update  |
    |               |         |              |   date. The date can be of  |
    |               |         |              |   specified either using    |
    |               |         |              |   a timestamp format or     |
    |               |         |              |   using the iso format for  |
    |               |         |              |   dates: yyyy-mm-dd.        |
    |               |         |              |   You can specify a start   |
    |               |         |              |   and a end date to this    |
    |               |         |              |   filter using start..end.  |
    +---------------+---------+--------------+-----------------------------+
    | ``closed``    | string  | Optional     | | Filter the pull-requests  |
    |               |         |              |   returned by their closing |
    |               |         |              |   date. The date can be of  |
    |               |         |              |   specified either using    |
    |               |         |              |   a timestamp format or     |
    |               |         |              |   using the iso format for  |
    |               |         |              |   dates: yyyy-mm-dd.        |
    |               |         |              |   You can specify a start   |
    |               |         |              |   and a end date to this    |
    |               |         |              |   filter using start..end.  |
    +---------------+---------+--------------+-----------------------------+

    Sample response
    ^^^^^^^^^^^^^^^

    ::

        {
          "args": {
            "assignee": true,
            "author": true,
            "milestones": [],
            "no_stones": null,
            "order": null,
            "order_key": null,
            "page": 1,
            "since": null,
            "status": null,
            "tags": [],
            "created": null,
            "updated": null,
            "closed": null,
          },
          "issues_assigned": [
            {
              "assignee": {
                "fullname": "Anar Adilova",
                "name": "anar"
              },
              "blocks": [],
              "close_status": null,
              "closed_at": null,
              "closed_by": null,
              "comments": [],
              "content": "Test Issue",
              "custom_fields": [],
              "date_created": "1510124763",
              "depends": [],
              "id": 2,
              "last_updated": "1510124763",
              "milestone": null,
              "priority": null,
              "private": false,
              "status": "Open",
              "tags": [],
              "title": "issue4",
              "user": {
                "fullname": "Anar Adilova",
                "name": "anar"
              }
            }
          ],
          "issues_created": [
            {
              "assignee": {
                "fullname": "Anar Adilova",
                "name": "anar"
              },
              "blocks": [],
              "close_status": null,
              "closed_at": null,
              "closed_by": null,
              "comments": [],
              "content": "Test Issue",
              "custom_fields": [],
              "date_created": "1510124763",
              "depends": [],
              "id": 2,
              "last_updated": "1510124763",
              "milestone": null,
              "priority": null,
              "private": false,
              "status": "Open",
              "tags": [],
              "title": "issue4",
              "user": {
                "fullname": "Anar Adilova",
                "name": "anar"
              }
            }
          ],
          "pagination_issues_assigned": {
            "first": "http://localhost:5000/api/0/user/anar/issues?per_page=1&page=1",
            "last": "http://localhost:5000/api/0/user/anar/issues?per_page=1&page=0",
            "next": null,
            "page": 1,
            "pages": 0,
            "per_page": 1,
            "prev": null
          },
          "pagination_issues_created": {
            "first": "http://localhost:5000/api/0/user/anar/issues?per_page=1&page=1",
            "last": "http://localhost:5000/api/0/user/anar/issues?per_page=1&page=200",
            "next": "http://localhost:5000/api/0/user/anar/issues?per_page=1&page=2",
            "page": 1,
            "pages": 200,
            "per_page": 1,
            "prev": null
          },
          "total_issues_assigned": 1,
          "total_issues_created": 1
        }


    """  # noqa
    milestone = flask.request.args.getlist("milestones", None)
    no_stones = flask.request.args.get("no_stones", None)
    if no_stones is not None:
        no_stones = is_true(no_stones)
    since = flask.request.args.get("since", None)
    order = flask.request.args.get("order", None)
    order_key = flask.request.args.get("order_key", None)
    status = flask.request.args.get("status", None)
    tags = flask.request.args.getlist("tags")
    tags = [tag.strip() for tag in tags if tag.strip()]
    created = flask.request.args.get("created")
    updated = flask.request.args.get("updated")
    closed = flask.request.args.get("closed")

    try:
        created_since, created_until = validate_date_range(created)
        updated_since, updated_until = validate_date_range(updated)
        closed_since, closed_until = validate_date_range(closed)
    except pagure.exceptions.InvalidTimestampException:
        raise pagure.exceptions.APIError(400, error_code=APIERROR.ETIMESTAMP)
    except pagure.exceptions.InvalidDateformatException:
        raise pagure.exceptions.APIError(400, error_code=APIERROR.EDATETIME)

    page = get_page()
    per_page = get_per_page()

    assignee = flask.request.args.get("assignee", "").lower() not in [
        "false",
        "0",
        "f",
    ]
    author = flask.request.args.get("author", "").lower() not in [
        "false",
        "0",
        "f",
    ]

    offset = (page - 1) * per_page
    limit = per_page

    params = {
        "session": flask.g.session,
        "tags": tags,
        "milestones": milestone,
        "order": order,
        "order_key": order_key,
        "no_milestones": no_stones,
        "offset": offset,
        "limit": limit,
        "created_since": created_since,
        "created_until": created_until,
        "updated_since": updated_since,
        "updated_until": updated_until,
        "closed_since": closed_since,
        "closed_until": closed_until,
    }

    if status is not None:
        if status.lower() == "all":
            params.update({"status": None})
        elif status.lower() == "closed":
            params.update({"closed": True})
        else:
            params.update({"status": status})
    else:
        params.update({"status": "Open"})

    updated_after = None
    if since:
        updated_after = validate_date(since)

    params.update({"updated_after": updated_after})

    issues_created = []
    issues_created_pages = 1
    issues_created_cnt = 0
    pagination_issues_created = None
    if author:
        # Issues authored by this user
        params_created = params.copy()
        params_created.update({"author": username})
        issues_created = pagure.lib.query.search_issues(**params_created)
        params_created.update({"offset": None, "limit": None, "count": True})
        issues_created_cnt = pagure.lib.query.search_issues(**params_created)
        pagination_issues_created = pagure.lib.query.get_pagination_metadata(
            flask.request, page, per_page, issues_created_cnt
        )

    issues_assigned = []
    issues_assigned_pages = 1
    issues_assigned_cnt = 0
    pagination_issues_assigned = None
    if assignee:
        # Issues assigned to this user
        params_assigned = params.copy()
        params_assigned.update({"assignee": username})
        issues_assigned = pagure.lib.query.search_issues(**params_assigned)
        params_assigned.update({"offset": None, "limit": None, "count": True})
        issues_assigned_cnt = pagure.lib.query.search_issues(**params_assigned)
        pagination_issues_assigned = pagure.lib.query.get_pagination_metadata(
            flask.request, page, per_page, issues_assigned_cnt
        )

    jsonout = flask.jsonify(
        {
            "pagination_issues_created": pagination_issues_created,
            "pagination_issues_assigned": pagination_issues_assigned,
            "total_issues_created_pages": issues_created_pages,
            "total_issues_assigned_pages": issues_assigned_pages,
            "total_issues_created": issues_created_cnt,
            "total_issues_assigned": issues_assigned_cnt,
            "issues_created": [
                issue.to_json(public=True, with_project=True)
                for issue in issues_created
            ],
            "issues_assigned": [
                issue.to_json(public=True, with_project=True)
                for issue in issues_assigned
            ],
            "args": {
                "milestones": milestone,
                "no_stones": no_stones,
                "order": order,
                "order_key": order_key,
                "since": since,
                "status": status,
                "tags": tags,
                "page": page,
                "assignee": assignee,
                "author": author,
                "created": created,
                "updated": updated,
                "closed": closed,
            },
        }
    )
    return jsonout


@API.route("/user/<username>/activity/stats")
@api_method
def api_view_user_activity_stats(username):
    """
    User activity stats
    -------------------
    Use this endpoint to retrieve activity stats about a specific user over
    the last year.

    ::

        GET /api/0/user/<username>/activity/stats

    ::

        GET /api/0/user/ralph/activity/stats

        GET /api/0/user/ralph/activity/stats?format=timestamp

    Parameters
    ^^^^^^^^^^

    +---------------+----------+--------------+----------------------------+
    | Key           | Type     | Optionality  | Description                |
    +===============+==========+==============+============================+
    | ``username``  | string   | Mandatory    | | The username of the user |
    |               |          |              |   whose activity you are   |
    |               |          |              |   interested in.           |
    +---------------+----------+--------------+----------------------------+
    | ``format``    | string   | Optional     | | Allows changing the      |
    |               |          |              |   of the date/time returned|
    |               |          |              |   from iso format to unix  |
    |               |          |              |   timestamp                |
    |               |          |              |   Can be: `timestamp`      |
    |               |          |              |   or `isoformat`           |
    +---------------+----------+--------------+----------------------------+


    Sample response
    ^^^^^^^^^^^^^^^

    ::

        {
          "2015-11-04": 9,
          "2015-11-06": 3,
          "2015-11-09": 6,
          "2015-11-13": 4,
          "2015-11-15": 3,
          "2015-11-18": 15,
          "2015-11-19": 3,
          "2015-11-20": 15,
          "2015-11-26": 18,
          "2015-11-30": 116,
          "2015-12-02": 12,
          "2015-12-03": 2
        }

    or::

        {
          "1446591600": 9,
          "1446764400": 3,
          "1447023600": 6,
          "1447369200": 4,
          "1447542000": 3,
          "1447801200": 15,
          "1447887600": 3,
          "1447974000": 15,
          "1448492400": 18,
          "1448838000": 116,
          "1449010800": 12,
          "1449097200": 2
        }

    """
    date_format = flask.request.args.get("format", "isoformat")
    tz = flask.request.args.get("tz", "UTC")

    user = _get_user(username=username)

    stats = pagure.lib.query.get_yearly_stats_user(
        flask.g.session,
        user,
        datetime.datetime.utcnow().date() + datetime.timedelta(days=1),
        tz=tz,
    )

    def format_date(d, tz):
        if date_format == "timestamp":
            # the reason we have this at all is the cal-heatmap js lib
            # wants times as timestamps. We're trying to feed it a
            # timestamp it will count as having happened on date 'd'.
            # However, cal-heatmap always uses the browser timezone,
            # so we have to be careful to produce a timestamp which
            # falls on the correct date *in the browser timezone*. We
            # aim for noon on the desired date.
            try:

                return arrow.get(d, tz).replace(hour=12).timestamp
            except arrow.parser.ParserError:
                # if tz is invalid for some reason, just go with UTC
                return arrow.get(d).replace(hour=12).timestamp
        else:
            d = d.isoformat()
        return d

    stats = {format_date(d[0], tz): d[1] for d in stats}

    jsonout = flask.jsonify(stats)
    return jsonout


@API.route("/user/<username>/activity/<date>")
@api_method
def api_view_user_activity_date(username, date):
    """
    User activity on a specific date
    --------------------------------
    Use this endpoint to retrieve activity information about a specific user
    on the specified date.

    ::

        GET /api/0/user/<username>/activity/<date>

    ::

        GET /api/0/user/ralph/activity/2016-01-02

        GET /api/0/user/ralph/activity/2016-01-02?grouped=true


    Parameters
    ^^^^^^^^^^

    +---------------+----------+--------------+----------------------------+
    | Key           | Type     | Optionality  | Description                |
    +===============+==========+==============+============================+
    | ``username``  | string   | Mandatory    | | The username of the user |
    |               |          |              |   whose activity you are   |
    |               |          |              |   interested in.           |
    +---------------+----------+--------------+----------------------------+
    | ``date``      | string   | Mandatory    | | The date of interest,    |
    |               |          |              |   best provided in ISO     |
    |               |          |              |   format: YYYY-MM-DD       |
    +---------------+----------+--------------+----------------------------+
    | ``grouped``   | boolean  | Optional     | | Whether or not to group  |
    |               |          |              |   the commits              |
    +---------------+----------+--------------+----------------------------+


    Sample response
    ^^^^^^^^^^^^^^^

    ::

        {
          "activities": [
            {
              "date": "2016-02-24",
              "date_created": "1456305852",
              "description": "pingou created PR test#44",
              "description_mk": "<p>pingou created PR <a href=\"/test/pull-request/44\" title=\"Update test_foo\">test#44</a></p>",
              "id": 4067,
              "user": {
                "fullname": "Pierre-YvesC",
                "name": "pingou"
              }
            },
            {
              "date": "2016-02-24",
              "date_created": "1456305887",
              "description": "pingou commented on PR test#44",
              "description_mk": "<p>pingou commented on PR <a href=\"/test/pull-request/44\" title=\"Update test_foo\">test#44</a></p>",
              "id": 4112,
              "user": {
                "fullname": "Pierre-YvesC",
                "name": "pingou"
              }
            }
          ]
        }

    """  # noqa
    grouped = is_true(flask.request.args.get("grouped"))
    tz = flask.request.args.get("tz", "UTC")

    try:
        date = arrow.get(date)
        date = date.strftime("%Y-%m-%d")
    except arrow.parser.ParserError as err:
        raise pagure.exceptions.APIError(
            400, error_code=APIERROR.ENOCODE, error=str(err)
        )

    user = _get_user(username=username)

    activities = pagure.lib.query.get_user_activity_day(
        flask.g.session, user, date, tz=tz
    )
    js_act = []
    if grouped:
        commits = collections.defaultdict(list)
        acts = []
        for activity in activities:
            if activity.log_type == "committed":
                commits[activity.project.fullname].append(activity)
            else:
                acts.append(activity)
        for project in commits:
            if len(commits[project]) == 1:
                tmp = dict(
                    description_mk=pagure.lib.query.text2markdown(
                        six.text_type(commits[project][0])
                    )
                )
            else:
                tmp = dict(
                    description_mk=pagure.lib.query.text2markdown(
                        "@%s pushed %s commits to %s"
                        % (username, len(commits[project]), project)
                    )
                )
            js_act.append(tmp)
        activities = acts

    for act in activities:
        activity = act.to_json(public=True)
        activity["description_mk"] = pagure.lib.query.text2markdown(
            six.text_type(act)
        )
        js_act.append(activity)

    jsonout = flask.jsonify(dict(activities=js_act, date=date))
    return jsonout


@API.route("/user/<username>/requests/filed")
@api_method
def api_view_user_requests_filed(username):
    """
    List pull-requests filled by user
    ---------------------------------
    Use this endpoint to retrieve a list of open pull requests a user has
    filed over the entire pagure instance.

    ::

        GET /api/0/user/<username>/requests/filed

    ::

        GET /api/0/user/dudemcpants/requests/filed

    Parameters
    ^^^^^^^^^^

    +---------------+----------+--------------+-----------------------------+
    | Key           | Type     | Optionality  | Description                 |
    +===============+==========+==============+=============================+
    | ``username``  | string   | Mandatory    | | The username of the user  |
    |               |          |              |   whose activity you are    |
    |               |          |              |   interested in.            |
    +---------------+----------+--------------+-----------------------------+
    | ``status``    | string   | Optional     | | Filter the status of      |
    |               |          |              |   pull requests. Default:   |
    |               |          |              |   ``Open`` (open pull       |
    |               |          |              |   requests), can be         |
    |               |          |              |   ``Closed`` for closed     |
    |               |          |              |   requests, ``Merged``      |
    |               |          |              |   for merged requests, or   |
    |               |          |              |   ``Open`` for open         |
    |               |          |              |   requests.                 |
    |               |          |              |   ``All`` returns closed,   |
    |               |          |              |   merged and open requests. |
    +---------------+----------+--------------+-----------------------------+
    | ``created``   | string   | Optional     | | Filter the pull-requests  |
    |               |          |              |   returned by their creation|
    |               |          |              |   date. The date can be of  |
    |               |          |              |   specified either using    |
    |               |          |              |   a timestamp format or     |
    |               |          |              |   using the iso format for  |
    |               |          |              |   dates: yyyy-mm-dd.        |
    |               |          |              |   You can specify a start   |
    |               |          |              |   and a end date to this    |
    |               |          |              |   filter using start..end.  |
    +---------------+----------+--------------+-----------------------------+
    | ``updated``   | string   | Optional     | | Filter the pull-requests  |
    |               |          |              |   returned by their update  |
    |               |          |              |   date. The date can be of  |
    |               |          |              |   specified either using    |
    |               |          |              |   a timestamp format or     |
    |               |          |              |   using the iso format for  |
    |               |          |              |   dates: yyyy-mm-dd.        |
    |               |          |              |   You can specify a start   |
    |               |          |              |   and a end date to this    |
    |               |          |              |   filter using start..end.  |
    +---------------+----------+--------------+-----------------------------+
    | ``closed``    | string   | Optional     | | Filter the pull-requests  |
    |               |          |              |   returned by their closing |
    |               |          |              |   date. The date can be of  |
    |               |          |              |   specified either using    |
    |               |          |              |   a timestamp format or     |
    |               |          |              |   using the iso format for  |
    |               |          |              |   dates: yyyy-mm-dd.        |
    |               |          |              |   You can specify a start   |
    |               |          |              |   and a end date to this    |
    |               |          |              |   filter using start..end.  |
    +---------------+----------+--------------+-----------------------------+
    | ``page``      | integer  | Mandatory    | | The page requested.       |
    |               |          |              |   Defaults to 1.            |
    +---------------+----------+--------------+-----------------------------+
    | ``per_page``  | int      | Optional     | | The number of items  to   |
    |               |          |              |   return per page.          |
    |               |          |              |   The maximum is 100.       |
    +---------------+----------+--------------+-----------------------------+


    Sample response
    ^^^^^^^^^^^^^^^

    ::

        {
          "args": {
            "status": "open",
            "username": "dudemcpants",
            "page": 1,
            "created": null,
            "updated": null,
            "closed": null,
          },
          "pagination": {
            "first": "http://localhost:5000/api/0/user/dudemcpants/requests/filed?per_page=1&page=1",
            "last": "http://localhost:5000/api/0/user/dudemcpants/requests/filed?per_page=1&page=61",
            "next": "http://localhost:5000/api/0/user/dudemcpants/requests/filed?per_page=1&page=2",
            "page": 1,
            "pages": 61,
            "per_page": 1,
            "prev": null
          },
          "requests": [
            {
              "assignee": null,
              "branch": "master",
              "branch_from": "master",
              "closed_at": null,
              "closed_by": null,
              "comments": [],
              "commit_start": "3973fae98fc485783ca14f5c3612d85832185065",
              "commit_stop": "3973fae98fc485783ca14f5c3612d85832185065",
              "date_created": "1510227832",
              "id": 2,
              "initial_comment": null,
              "last_updated": "1510227833",
              "project": {
                  "access_groups": {
                    "admin": [],
                    "commit": [],
                    "ticket": []
                  },
                  "access_users": {
                    "admin": [],
                    "commit": [],
                    "owner": [
                      "ryanlerch"
                    ],
                    "ticket": []
                  },
                  "close_status": [],
                  "custom_keys": [],
                  "date_created": "1510227638",
                  "date_modified": "1510227638",
                  "description": "this is a quick project",
                  "fullname": "aquickproject",
                  "id": 1,
                  "milestones": {},
                  "name": "aquickproject",
                  "namespace": null,
                  "parent": null,
                  "priorities": {},
                  "tags": [],
                  "url_path": "aquickproject",
                  "user": {
                    "fullname": "ryanlerch",
                    "name": "ryanlerch"
                  }
              },
              "remote_git": null,
              "repo_from": {
                  "access_groups": {
                    "admin": [],
                    "commit": [],
                    "ticket": []
                  },
                  "access_users": {
                    "admin": [],
                    "commit": [],
                    "owner": [
                      "dudemcpants"
                    ],
                    "ticket": []
                  },
                  "close_status": [],
                  "custom_keys": [],
                  "date_created": "1510227729",
                  "date_modified": "1510227729",
                  "description": "this is a quick project",
                  "fullname": "forks/dudemcpants/aquickproject",
                  "id": 2,
                  "milestones": {},
                  "name": "aquickproject",
                  "namespace": null,
                  "parent": {
                    "access_groups": {
                      "admin": [],
                      "commit": [],
                      "ticket": []
                    },
                    "access_users": {
                      "admin": [],
                      "commit": [],
                      "owner": [
                        "ryanlerch"
                      ],
                      "ticket": []
                    },
                    "close_status": [],
                    "custom_keys": [],
                    "date_created": "1510227638",
                    "date_modified": "1510227638",
                    "description": "this is a quick project",
                    "fullname": "aquickproject",
                    "id": 1,
                    "milestones": {},
                    "name": "aquickproject",
                    "namespace": null,
                    "parent": null,
                    "priorities": {},
                    "tags": [],
                    "url_path": "aquickproject",
                    "user": {
                        "fullname": "ryanlerch",
                        "name": "ryanlerch"
                    }
                  },
                  "priorities": {},
                  "tags": [],
                  "url_path": "fork/dudemcpants/aquickproject",
                  "user": {
                    "fullname": "Dude McPants",
                    "name": "dudemcpants"
                  }
              },
              "status": "Open",
              "title": "Update README.md",
              "uid": "819e0b1c449e414fa291c914f28d73ec",
              "updated_on": "1510227832",
              "user": {
                "fullname": "Dude McPants",
                "name": "dudemcpants"
              }
            }
          ],
          "total_requests": 1
        }

    """  # noqa
    status = flask.request.args.get("status", "open")
    created = flask.request.args.get("created")
    updated = flask.request.args.get("updated")
    closed = flask.request.args.get("closed")

    try:
        created_since, created_until = validate_date_range(created)
        updated_since, updated_until = validate_date_range(updated)
        closed_since, closed_until = validate_date_range(closed)
    except pagure.exceptions.InvalidTimestampException:
        raise pagure.exceptions.APIError(400, error_code=APIERROR.ETIMESTAMP)
    except pagure.exceptions.InvalidDateformatException:
        raise pagure.exceptions.APIError(400, error_code=APIERROR.EDATETIME)

    page = get_page()
    per_page = get_per_page()
    offset = (page - 1) * per_page
    limit = per_page

    orig_status = status
    if status.lower() == "all":
        status = None
    else:
        status = status.capitalize()

    pullrequests_cnt = pagure.lib.query.get_pull_request_of_user(
        flask.g.session,
        username=username,
        status=status,
        filed=username,
        created_since=created_since,
        created_until=created_until,
        updated_since=updated_since,
        updated_until=updated_until,
        closed_since=closed_since,
        closed_until=closed_until,
        count=True,
    )
    pagination = pagure.lib.query.get_pagination_metadata(
        flask.request, page, per_page, pullrequests_cnt
    )

    pullrequests = pagure.lib.query.get_pull_request_of_user(
        flask.g.session,
        username=username,
        status=status,
        filed=username,
        created_since=created_since,
        created_until=created_until,
        updated_since=updated_since,
        updated_until=updated_until,
        closed_since=closed_since,
        closed_until=closed_until,
        offset=offset,
        limit=limit,
    )

    pullrequestslist = [
        pr.to_json(public=True, api=True) for pr in pullrequests
    ]

    return flask.jsonify(
        {
            "total_requests": len(pullrequestslist),
            "requests": pullrequestslist,
            "args": {
                "username": username,
                "status": orig_status,
                "page": page,
                "created": created,
                "updated": updated,
                "closed": closed,
            },
            "pagination": pagination,
        }
    )


@API.route("/user/<username>/requests/actionable")
@api_method
def api_view_user_requests_actionable(username):
    """
    List PRs actionable by user
    ---------------------------

    Use this endpoint to retrieve a list of open pull requests a user is
    able to action (e.g. merge) over the entire pagure instance.

    ::

        GET /api/0/user/<username>/requests/actionable

    ::

        GET /api/0/user/dudemcpants/requests/actionable

    Parameters
    ^^^^^^^^^^

    +---------------+----------+--------------+-----------------------------+
    | Key           | Type     | Optionality  | Description                 |
    +===============+==========+==============+=============================+
    | ``username``  | string   | Mandatory    | | The username of the user  |
    |               |          |              |   whose activity you are    |
    |               |          |              |   interested in.            |
    +---------------+----------+--------------+-----------------------------+
    | ``created``   | string   | Optional     | | Filter the pull-requests  |
    |               |          |              |   returned by their creation|
    |               |          |              |   date. The date can be of  |
    |               |          |              |   specified either using    |
    |               |          |              |   a timestamp format or     |
    |               |          |              |   using the iso format for  |
    |               |          |              |   dates: yyyy-mm-dd.        |
    |               |          |              |   You can specify a start   |
    |               |          |              |   and a end date to this    |
    |               |          |              |   filter using start..end.  |
    +---------------+----------+--------------+-----------------------------+
    | ``updated``   | string   | Optional     | | Filter the pull-requests  |
    |               |          |              |   returned by their update  |
    |               |          |              |   date. The date can be of  |
    |               |          |              |   specified either using    |
    |               |          |              |   a timestamp format or     |
    |               |          |              |   using the iso format for  |
    |               |          |              |   dates: yyyy-mm-dd.        |
    |               |          |              |   You can specify a start   |
    |               |          |              |   and a end date to this    |
    |               |          |              |   filter using start..end.  |
    +---------------+----------+--------------+-----------------------------+
    | ``closed``    | string   | Optional     | | Filter the pull-requests  |
    |               |          |              |   returned by their closing |
    |               |          |              |   date. The date can be of  |
    |               |          |              |   specified either using    |
    |               |          |              |   a timestamp format or     |
    |               |          |              |   using the iso format for  |
    |               |          |              |   dates: yyyy-mm-dd.        |
    |               |          |              |   You can specify a start   |
    |               |          |              |   and a end date to this    |
    |               |          |              |   filter using start..end.  |
    +---------------+----------+--------------+-----------------------------+
    | ``page``      | integer  | Mandatory    | | The page requested.       |
    |               |          |              |   Defaults to 1.            |
    +---------------+----------+--------------+-----------------------------+
    | ``status``    | string   | Optional     | | Filter the status of      |
    |               |          |              |   pull requests. Default:   |
    |               |          |              |   ``Open`` (open pull       |
    |               |          |              |   requests), can be         |
    |               |          |              |   ``Closed`` for closed     |
    |               |          |              |   requests, ``Merged``      |
    |               |          |              |   for merged requests, or   |
    |               |          |              |   ``Open`` for open         |
    |               |          |              |   requests.                 |
    |               |          |              |   ``All`` returns closed,   |
    |               |          |              |   merged and open requests. |
    +---------------+----------+--------------+-----------------------------+

    Sample response
    ^^^^^^^^^^^^^^^

    ::

        {
          "args": {
            "status": "open",
            "username": "ryanlerch",
            "page": 1,
            "created": null,
            "updated": null,
            "closed": null,
          },
          "pagination": {
            "first": "http://localhost:5000/api/0/user/ryanlerch/requests/actionable?per_page=1&page=1",
            "last": "http://localhost:5000/api/0/user/ryanlerch/requests/actionable?per_page=1&page=61",
            "next": "http://localhost:5000/api/0/user/ryanlerch/requests/actionable?per_page=1&page=2",
            "page": 1,
            "pages": 61,
            "per_page": 1,
            "prev": null
          },
          "requests": [
            {
              "assignee": null,
              "branch": "master",
              "branch_from": "master",
              "closed_at": null,
              "closed_by": null,
              "comments": [],
              "commit_start": "3973fae98fc485783ca14f5c3612d85832185065",
              "commit_stop": "3973fae98fc485783ca14f5c3612d85832185065",
              "date_created": "1510227832",
              "id": 2,
              "initial_comment": null,
              "last_updated": "1510227833",
              "project": {
                  "access_groups": {
                    "admin": [],
                    "commit": [],
                    "ticket": []
                  },
                  "access_users": {
                    "admin": [],
                    "commit": [],
                    "owner": [
                        "ryanlerch"
                    ],
                    "ticket": []
                  },
                  "close_status": [],
                  "custom_keys": [],
                  "date_created": "1510227638",
                  "date_modified": "1510227638",
                  "description": "this is a quick project",
                  "fullname": "aquickproject",
                  "id": 1,
                  "milestones": {},
                  "name": "aquickproject",
                  "namespace": null,
                  "parent": null,
                  "priorities": {},
                  "tags": [],
                  "url_path": "aquickproject",
                  "user": {
                    "fullname": "ryanlerch",
                    "name": "ryanlerch"
                  }
              },
              "remote_git": null,
              "repo_from": {
                  "access_groups": {
                    "admin": [],
                    "commit": [],
                    "ticket": []
                  },
                  "access_users": {
                    "admin": [],
                    "commit": [],
                    "owner": [
                      "dudemcpants"
                    ],
                    "ticket": []
                  },
                  "close_status": [],
                  "custom_keys": [],
                  "date_created": "1510227729",
                  "date_modified": "1510227729",
                  "description": "this is a quick project",
                  "fullname": "forks/dudemcpants/aquickproject",
                  "id": 2,
                  "milestones": {},
                  "name": "aquickproject",
                  "namespace": null,
                  "parent": {
                    "access_groups": {
                      "admin": [],
                      "commit": [],
                      "ticket": []
                    },
                    "access_users": {
                      "admin": [],
                      "commit": [],
                      "owner": [
                        "ryanlerch"
                      ],
                      "ticket": []
                    },
                    "close_status": [],
                    "custom_keys": [],
                    "date_created": "1510227638",
                    "date_modified": "1510227638",
                    "description": "this is a quick project",
                    "fullname": "aquickproject",
                    "id": 1,
                    "milestones": {},
                    "name": "aquickproject",
                    "namespace": null,
                    "parent": null,
                    "priorities": {},
                    "tags": [],
                    "url_path": "aquickproject",
                    "user": {
                      "fullname": "ryanlerch",
                      "name": "ryanlerch"
                    }
                  },
                  "priorities": {},
                  "tags": [],
                  "url_path": "fork/dudemcpants/aquickproject",
                  "user": {
                    "fullname": "Dude McPants",
                    "name": "dudemcpants"
                  }
              },
              "status": "Open",
              "title": "Update README.md",
              "uid": "819e0b1c449e414fa291c914f28d73ec",
              "updated_on": "1510227832",
              "user": {
                "fullname": "Dude McPants",
                "name": "dudemcpants"
              }
            }
          ],
          "total_requests": 1
        }

    """  # noqa
    status = flask.request.args.get("status", "open")
    created = flask.request.args.get("created")
    updated = flask.request.args.get("updated")
    closed = flask.request.args.get("closed")

    try:
        created_since, created_until = validate_date_range(created)
        updated_since, updated_until = validate_date_range(updated)
        closed_since, closed_until = validate_date_range(closed)
    except pagure.exceptions.InvalidTimestampException:
        raise pagure.exceptions.APIError(400, error_code=APIERROR.ETIMESTAMP)
    except pagure.exceptions.InvalidDateformatException:
        raise pagure.exceptions.APIError(400, error_code=APIERROR.EDATETIME)

    page = get_page()
    per_page = get_per_page()
    offset = (page - 1) * per_page
    limit = per_page

    orig_status = status
    if status.lower() == "all":
        status = None
    else:
        status = status.capitalize()

    pullrequests_cnt = pagure.lib.query.get_pull_request_of_user(
        flask.g.session,
        username=username,
        status=status,
        actionable=username,
        created_since=created_since,
        created_until=created_until,
        updated_since=updated_since,
        updated_until=updated_until,
        closed_since=closed_since,
        closed_until=closed_until,
        count=True,
    )
    pagination = pagure.lib.query.get_pagination_metadata(
        flask.request, page, per_page, pullrequests_cnt
    )

    pullrequests = pagure.lib.query.get_pull_request_of_user(
        flask.g.session,
        username=username,
        status=status,
        actionable=username,
        created_since=created_since,
        created_until=created_until,
        updated_since=updated_since,
        updated_until=updated_until,
        closed_since=closed_since,
        closed_until=closed_until,
        offset=offset,
        limit=limit,
    )

    pullrequestslist = [
        pr.to_json(public=True, api=True) for pr in pullrequests
    ]

    return flask.jsonify(
        {
            "total_requests": len(pullrequestslist),
            "requests": pullrequestslist,
            "args": {
                "username": username,
                "status": orig_status,
                "page": page,
                "created": created,
                "updated": updated,
                "closed": closed,
            },
            "pagination": pagination,
        }
    )
