/* vim: ts=4:sw=4:expandtab
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

(function () {
    'use strict';
    function clear(done) {
        var convos = new Whisper.ConversationCollection();
        return convos.fetch().then(function() {
            convos.destroyAll().then(function() {
                var messages = new Whisper.MessageCollection();
                return messages.fetch().then(function() {
                    messages.destroyAll().then(function() {
                        done();
                    });
                });
            });
        });
    }

    var attributes = { type: 'outgoing',
                        body: 'hi',
                        conversationId: 'foo',
                        attachments: [],
                        timestamp: new Date().getTime() };

    describe('ConversationCollection', function() {
        before(clear);
        after(clear);

        it('adds without saving', function() {
            var convos = new Whisper.ConversationCollection();
            var message = convos.add(attributes);
            assert.notEqual(convos.length, 0);

            var convos = new Whisper.ConversationCollection();
            assert.strictEqual(convos.length, 0);
        });

        it('saves asynchronously', function(done) {
            new Whisper.ConversationCollection().add(attributes).save().then(done);
        });

        it('fetches persistent convos', function(done) {
            var convos = new Whisper.ConversationCollection();
            assert.strictEqual(convos.length, 0);
            convos.fetch().then(function() {
                var m = convos.at(0).attributes;
                _.each(attributes, function(val, key) {
                    assert.deepEqual(m[key], val);
                });
                done();
            });
        });

        it('destroys persistent convos', function(done) {
            var convos = new Whisper.ConversationCollection();
            convos.fetch().then(function() {
                convos.destroyAll().then(function() {
                    var convos = new Whisper.ConversationCollection();
                    convos.fetch().then(function() {
                        assert.strictEqual(convos.length, 0);
                        done();
                    });
                });
            });
        });

        it('should be ordered newest to oldest', function() {
            var conversations = new Whisper.ConversationCollection();
            // Timestamps
            var today = new Date();
            var tomorrow = new Date();
            tomorrow.setDate(today.getDate()+1);

            // Add convos
            conversations.add({ timestamp: today });
            conversations.add({ timestamp: tomorrow });

            var models = conversations.models;
            var firstTimestamp = models[0].get('timestamp').getTime();
            var secondTimestamp = models[1].get('timestamp').getTime();

            // Compare timestamps
            assert(firstTimestamp > secondTimestamp);
        });
    });

    describe('Conversation', function() {
        var attributes = { type: 'private', id: 'foobar' };
        before(function(done) {
            var convo = new Whisper.ConversationCollection().add(attributes);
            convo.save().then(function() {
                var message = convo.messages().add({body: 'hello world', conversationId: convo.id});
                message.save().then(done)
            });
        });
        after(clear);

        it('contains its own messages', function (done) {
            var convo = new Whisper.ConversationCollection().add({id: 'foobar'});
            convo.fetch().then(function() {
                assert.notEqual(convo.messages().length, 0);
                done();
            });
        });

        it('contains only its own messages', function (done) {
            var convo = new Whisper.ConversationCollection().add({id: 'barfoo'});
            convo.fetch().then(function() {
                assert.strictEqual(convo.messages().length, 0);
                done();
            });
        });

        it('has most recent messages first', function(done) {
            var convo = new Whisper.ConversationCollection().add({id: 'barfoo'});
            convo.messages().add({
                body: 'first message',
                conversationId: convo.id,
                timestamp: new Date().getTime() - 5000
            }).save().then(function() {
                convo.messages().add({
                    body: 'second message',
                    conversationId: convo.id
                }).save().then(function() {
                    convo.fetch().then(function() {
                        assert.strictEqual(convo.messages().at(0).get('body'), 'second message');
                        assert.strictEqual(convo.messages().at(1).get('body'), 'first message');
                        done();
                    });
                });
            });
        });
    });

})();;