# Copyright 2012 Vincent Jacques
# vincent@vincent-jacques.net

# This file is part of PyGithub. http://vincent-jacques.net/PyGithub

# PyGithub is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License
# as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

# PyGithub is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.

# You should have received a copy of the GNU Lesser General Public License along with PyGithub.  If not, see <http://www.gnu.org/licenses/>.

import datetime

import GithubObject
import PaginatedList

import NamedUser
import Label

class Milestone( GithubObject.GithubObject ):
    @property
    def closed_issues( self ):
        self._completeIfNotSet( self._closed_issues )
        return self._NoneIfNotSet( self._closed_issues )

    @property
    def created_at( self ):
        self._completeIfNotSet( self._created_at )
        return self._NoneIfNotSet( self._created_at )

    @property
    def creator( self ):
        self._completeIfNotSet( self._creator )
        return self._NoneIfNotSet( self._creator )

    @property
    def description( self ):
        self._completeIfNotSet( self._description )
        return self._NoneIfNotSet( self._description )

    @property
    def due_on( self ):
        self._completeIfNotSet( self._due_on )
        return self._NoneIfNotSet( self._due_on )

    @property
    def id( self ):
        self._completeIfNotSet( self._id )
        return self._NoneIfNotSet( self._id )

    @property
    def number( self ):
        self._completeIfNotSet( self._number )
        return self._NoneIfNotSet( self._number )

    @property
    def open_issues( self ):
        self._completeIfNotSet( self._open_issues )
        return self._NoneIfNotSet( self._open_issues )

    @property
    def state( self ):
        self._completeIfNotSet( self._state )
        return self._NoneIfNotSet( self._state )

    @property
    def title( self ):
        self._completeIfNotSet( self._title )
        return self._NoneIfNotSet( self._title )

    @property
    def url( self ):
        self._completeIfNotSet( self._url )
        return self._NoneIfNotSet( self._url )

    def delete( self ):
        headers, data = self._requester.requestAndCheck(
            "DELETE",
            self.url,
            None,
            None
        )

    def edit( self, title, state = GithubObject.NotSet, description = GithubObject.NotSet, due_on = GithubObject.NotSet ):
        assert isinstance( title, ( str, unicode ) ), title
        assert state is GithubObject.NotSet or isinstance( state, ( str, unicode ) ), state
        assert description is GithubObject.NotSet or isinstance( description, ( str, unicode ) ), description
        assert due_on is GithubObject.NotSet or isinstance( due_on, datetime.date ), due_on
        post_parameters = {
            "title": title,
        }
        if state is not GithubObject.NotSet:
            post_parameters[ "state" ] = state
        if description is not GithubObject.NotSet:
            post_parameters[ "description" ] = description
        if due_on is not GithubObject.NotSet:
            post_parameters[ "due_on" ] = due_on.strftime( "%Y-%m-%d" )
        headers, data = self._requester.requestAndCheck(
            "PATCH",
            self.url,
            None,
            post_parameters
        )
        self._useAttributes( data )

    def get_labels( self ):
        headers, data = self._requester.requestAndCheck(
            "GET",
            self.url + "/labels",
            None,
            None
        )
        return PaginatedList.PaginatedList(
            Label.Label,
            self._requester,
            headers,
            data
        )

    @property
    def _identity( self ):
        return self.number

    def _initAttributes( self ):
        self._closed_issues = GithubObject.NotSet
        self._created_at = GithubObject.NotSet
        self._creator = GithubObject.NotSet
        self._description = GithubObject.NotSet
        self._due_on = GithubObject.NotSet
        self._id = GithubObject.NotSet
        self._number = GithubObject.NotSet
        self._open_issues = GithubObject.NotSet
        self._state = GithubObject.NotSet
        self._title = GithubObject.NotSet
        self._url = GithubObject.NotSet

    def _useAttributes( self, attributes ):
        if "closed_issues" in attributes: # pragma no branch
            assert attributes[ "closed_issues" ] is None or isinstance( attributes[ "closed_issues" ], int ), attributes[ "closed_issues" ]
            self._closed_issues = attributes[ "closed_issues" ]
        if "created_at" in attributes: # pragma no branch
            assert attributes[ "created_at" ] is None or isinstance( attributes[ "created_at" ], ( str, unicode ) ), attributes[ "created_at" ]
            self._created_at = self._parseDatetime( attributes[ "created_at" ] )
        if "creator" in attributes: # pragma no branch
            assert attributes[ "creator" ] is None or isinstance( attributes[ "creator" ], dict ), attributes[ "creator" ]
            self._creator = None if attributes[ "creator" ] is None else NamedUser.NamedUser( self._requester, attributes[ "creator" ], completed = False )
        if "description" in attributes: # pragma no branch
            assert attributes[ "description" ] is None or isinstance( attributes[ "description" ], ( str, unicode ) ), attributes[ "description" ]
            self._description = attributes[ "description" ]
        if "due_on" in attributes: # pragma no branch
            assert attributes[ "due_on" ] is None or isinstance( attributes[ "due_on" ], ( str, unicode ) ), attributes[ "due_on" ]
            self._due_on = self._parseDatetime( attributes[ "due_on" ] )
        if "id" in attributes: # pragma no branch
            assert attributes[ "id" ] is None or isinstance( attributes[ "id" ], int ), attributes[ "id" ]
            self._id = attributes[ "id" ]
        if "number" in attributes: # pragma no branch
            assert attributes[ "number" ] is None or isinstance( attributes[ "number" ], int ), attributes[ "number" ]
            self._number = attributes[ "number" ]
        if "open_issues" in attributes: # pragma no branch
            assert attributes[ "open_issues" ] is None or isinstance( attributes[ "open_issues" ], int ), attributes[ "open_issues" ]
            self._open_issues = attributes[ "open_issues" ]
        if "state" in attributes: # pragma no branch
            assert attributes[ "state" ] is None or isinstance( attributes[ "state" ], ( str, unicode ) ), attributes[ "state" ]
            self._state = attributes[ "state" ]
        if "title" in attributes: # pragma no branch
            assert attributes[ "title" ] is None or isinstance( attributes[ "title" ], ( str, unicode ) ), attributes[ "title" ]
            self._title = attributes[ "title" ]
        if "url" in attributes: # pragma no branch
            assert attributes[ "url" ] is None or isinstance( attributes[ "url" ], ( str, unicode ) ), attributes[ "url" ]
            self._url = attributes[ "url" ]