/*
 * vim: ts=4:sw=4:expandtab
 */
(function () {
    'use strict';

    function clear(done) {
        var messages = new Whisper.MessageCollection();
        return messages.fetch().then(function() {
            messages.destroyAll();
            done();
        });
    }

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

    var attachment = { data: 'datasaurus',
                       contentType: 'plain/text' };

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

        it('has no image url', function() {
            var messages = new Whisper.MessageCollection();
            var message = messages.add(attributes);
            assert.isNull(message.getImageUrl());
        });

        it('updates image url', function() {
            var messages = new Whisper.MessageCollection();
            var message = messages.add({ attachments: [attachment] });

            var firstUrl = message.getImageUrl();
            message.updateImageUrl();
            var secondUrl = message.getImageUrl();
            assert.notEqual(secondUrl, firstUrl);
        });

        it('gets outgoing contact', function() {
            var messages = new Whisper.MessageCollection();
            var message = messages.add(attributes);
            message.getContact();
        });

        it('gets incoming contact', function() {
            var messages = new Whisper.MessageCollection();
            var message = messages.add({ type: 'incoming' });
            message.getContact();
        });

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

            var messages = new Whisper.MessageCollection();
            assert.strictEqual(messages.length, 0);
        });

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

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

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

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

            // Add threads
            messages.add({ received_at: today });
            messages.add({ received_at: tomorrow });

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

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

        it('checks if is incoming message', function() {
            var messages = new Whisper.MessageCollection();
            var message = messages.add(attributes);
            assert.notOk(message.isIncoming());
            message = messages.add({type: 'incoming'});
            assert.ok(message.isIncoming());
        });

        it('checks if is outgoing message', function() {
            var messages = new Whisper.MessageCollection();
            var message = messages.add(attributes);
            assert.ok(message.isOutgoing());
            message = messages.add({type: 'incoming'});
            assert.notOk(message.isOutgoing());
        });

        it('checks if is group update', function() {
            var messages = new Whisper.MessageCollection();
            var message = messages.add(attributes);
            assert.notOk(message.isGroupUpdate());

            message = messages.add({group_update: true});
            assert.ok(message.isGroupUpdate());
        });

        it('checks if there are any key conflicts', function() {
            var messages = new Whisper.MessageCollection();
            var message = messages.add(attributes);
            assert.notOk(message.hasKeyConflicts());

            message = messages.add({errors: [{name: 'OutgoingIdentityKeyError'}]});
            assert.ok(message.hasKeyConflicts());
        });

        it('returns a description of key conflicts', function() {
            var messages = new Whisper.MessageCollection();
            var message = messages.add({errors: [{name: 'IncomingIdentityKeyError'}]});

            assert.deepEqual(message.getKeyConflict(), {name: 'IncomingIdentityKeyError'});
        });

        it('returns an accurate description', function() {
            var messages = new Whisper.MessageCollection();
            var message = messages.add(attributes);

            assert.equal(message.getDescription(), 'hi', 'If no group updates, key conflicts, or end session flags, return message body.');

            message = messages.add({group_update: {left: 'Alice'}});
            assert.equal(message.getDescription(), 'Alice left the group.', 'Notes one person leaving the group.');

            message = messages.add({group_update: {name: 'blerg'}});
            assert.equal(message.getDescription(), 'Updated the group. Title is now \'blerg\'.', 'Returns a single notice if only group_updates.name changes.');

            message = messages.add({group_update: {joined: ['Bob']}});
            assert.equal(message.getDescription(), 'Updated the group. Bob joined the group.', 'Returns a single notice if only group_updates.joined changes.');

            message = messages.add({group_update: {joined: ['Bob', 'Alice', 'Eve']}});
            assert.equal(message.getDescription(), 'Updated the group. Bob, Alice, Eve joined the group.', 'Notes when >1 person joins the group.');

            message = messages.add({group_update: {joined: ['Bob'], name: 'blerg'}});
            assert.equal(message.getDescription(), 'Updated the group. Title is now \'blerg\'. Bob joined the group.', 'Notes when there are multiple changes to group_updates properties.');

            message = messages.add({flags: true});
            assert.equal(message.getDescription(), 'Secure session ended.');

            message = messages.add({type: 'incoming', errors: [{name: 'OutgoingIdentityKeyError'}]});
            assert.equal(message.getDescription(), 'Received message with unknown identity key.');

        });

        it('checks if it is end of the session', function() {
            var messages = new Whisper.MessageCollection();
            var message = messages.add(attributes);
            assert.notOk(message.isEndSession());

            message = messages.add({flags: true});
            assert.ok(message.isEndSession());
        });

    });
})();