set_global('$', global.make_zjquery());
set_global('i18n', global.stub_i18n);

zrequire('localstorage');
zrequire('drafts');
set_global('XDate', zrequire('XDate', 'xdate'));
zrequire('timerender');
set_global('Handlebars', global.make_handlebars());
zrequire('util');
zrequire('stream_color');
zrequire('colorspace');

let ls_container = {};
const noop = function () { return; };

set_global('localStorage', {
    getItem: function (key) {
        return ls_container[key];
    },
    setItem: function (key, val) {
        ls_container[key] = val;
    },
    removeItem: function (key) {
        delete ls_container[key];
    },
    clear: function () {
        ls_container = {};
    },
});
set_global('compose', {});
set_global('compose_state', {});
set_global('stream_data', {
    get_color: function () {
        return '#FFFFFF';
    },
});
set_global('blueslip', {});
set_global('people', {
    // Mocking get_by_email function, here we are
    // just returning string before `@` in email
    get_by_email: function (email) {
        return {
            full_name: email.split('@')[0],
        };
    },
});
set_global('markdown', {
    apply_markdown: noop,
});
set_global('page_params', {
    twenty_four_hour_time: false,
});

function stub_timestamp(timestamp, func) {
    const original_func = Date.prototype.getTime;
    Date.prototype.getTime = function () {
        return timestamp;
    };
    func();
    Date.prototype.getTime = original_func;
}

const legacy_draft = {
    stream: "stream",
    subject: "lunch",
    type: "stream",
    content: "whatever",
};

const compose_args_for_legacy_draft = {
    stream: "stream",
    topic: "lunch",
    type: "stream",
    content: "whatever",
};

const draft_1 = {
    stream: "stream",
    topic: "topic",
    type: "stream",
    content: "Test Stream Message",
};
const draft_2 = {
    private_message_recipient: "aaron@zulip.com",
    reply_to: "aaron@zulip.com",
    type: "private",
    content: "Test Private Message",
};
const short_msg = {
    stream: "stream",
    subject: "topic",
    type: "stream",
    content: "a",
};

run_test('legacy', () => {
    assert.deepEqual(
        drafts.restore_message(legacy_draft),
        compose_args_for_legacy_draft
    );
});

run_test('draft_model', () => {
    const draft_model = drafts.draft_model;
    const ls = localstorage();

    localStorage.clear();
    (function test_get() {
        const expected = { id1: draft_1, id2: draft_2 };
        ls.set("drafts", expected);

        assert.deepEqual(draft_model.get(), expected);
    }());

    localStorage.clear();
    (function test_get() {
        ls.set("drafts", { id1: draft_1 });

        assert.deepEqual(draft_model.getDraft("id1"), draft_1);
        assert.equal(draft_model.getDraft("id2"), false);
    }());

    localStorage.clear();
    (function test_addDraft() {
        stub_timestamp(1, function () {
            const expected = _.clone(draft_1);
            expected.updatedAt = 1;
            const id = draft_model.addDraft(_.clone(draft_1));

            assert.deepEqual(ls.get("drafts")[id], expected);
        });
    }());

    localStorage.clear();
    (function test_editDraft() {
        stub_timestamp(2, function () {
            ls.set("drafts", { id1: draft_1 });
            const expected = _.clone(draft_2);
            expected.updatedAt = 2;
            draft_model.editDraft("id1", _.clone(draft_2));

            assert.deepEqual(ls.get("drafts").id1, expected);
        });
    }());

    localStorage.clear();
    (function test_deleteDraft() {
        ls.set("drafts", { id1: draft_1 });
        draft_model.deleteDraft("id1");

        assert.deepEqual(ls.get("drafts"), {});
    }());
});

run_test('snapshot_message', () => {
    function stub_draft(draft) {
        global.compose_state.get_message_type = function () {
            return draft.type;
        };
        global.compose_state.composing = function () {
            return !!draft.type;
        };
        global.compose_state.message_content = function () {
            return draft.content;
        };
        global.compose_state.recipient = function () {
            return draft.private_message_recipient;
        };
        global.compose_state.stream_name = function () {
            return draft.stream;
        };
        global.compose_state.topic = function () {
            return draft.topic;
        };
    }

    stub_draft(draft_1);
    assert.deepEqual(drafts.snapshot_message(), draft_1);

    stub_draft(draft_2);
    assert.deepEqual(drafts.snapshot_message(), draft_2);

    stub_draft(short_msg);
    assert.deepEqual(drafts.snapshot_message(), undefined);

    stub_draft({});
    assert.equal(drafts.snapshot_message(), undefined);
});

run_test('initialize', () => {
    const message_content = $("#compose-textarea");
    message_content.focusout = function (f) {
        assert.equal(f, drafts.update_draft);
        f();
    };

    global.window.addEventListener = function (event_name, f) {
        assert.equal(event_name, "beforeunload");
        let called = false;
        drafts.update_draft = function () { called = true; };
        f();
        assert(called);
    };

    drafts.initialize();
});

run_test('remove_old_drafts', () => {
    const draft_3 = {
        stream: "stream",
        subject: "topic",
        type: "stream",
        content: "Test Stream Message",
        updatedAt: Date.now(),
    };
    const draft_4 = {
        private_message_recipient: "aaron@zulip.com",
        reply_to: "aaron@zulip.com",
        type: "private",
        content: "Test Private Message",
        updatedAt: new Date().setDate(-30),
    };
    const draft_model = drafts.draft_model;
    const ls = localstorage();
    localStorage.clear();
    const data = {id3: draft_3, id4: draft_4};
    ls.set("drafts", data);
    assert.deepEqual(draft_model.get(), data);

    drafts.remove_old_drafts();
    assert.deepEqual(draft_model.get(), {id3: draft_3});
});

run_test('format_drafts', () => {
    drafts.remove_old_drafts = noop;

    draft_1.updatedAt = new Date(1549958107000).getTime();      // 2/12/2019 07:55:07 AM (UTC+0)
    draft_2.updatedAt = new Date(1549958107000).setDate(-1);
    const draft_3 = {
        stream: "stream 2",
        subject: "topic",
        type: "stream",
        content: "Test Stream Message 2",
        updatedAt: new Date(1549958107000).setDate(-10),
    };
    const draft_4 = {
        private_message_recipient: "aaron@zulip.com",
        reply_to: "iago@zulip.com",
        type: "private",
        content: "Test Private Message 2",
        updatedAt: new Date(1549958107000).setDate(-5),
    };
    const draft_5 = {
        private_message_recipient: "aaron@zulip.com",
        reply_to: "zoe@zulip.com",
        type: "private",
        content: "Test Private Message 3",
        updatedAt: new Date(1549958107000).setDate(-2),
    };

    const expected = [
        {
            draft_id: 'id1',
            is_stream: true,
            stream: 'stream',
            stream_color: '#FFFFFF',
            dark_background: '',
            topic: 'topic',
            raw_content: 'Test Stream Message',
            time_stamp: '7:55 AM',
        },
        {
            draft_id: 'id2',
            is_stream: false,
            recipients: 'aaron',
            raw_content: 'Test Private Message',
            time_stamp: 'Jan 30',
        },
        {
            draft_id: 'id5',
            is_stream: false,
            recipients: 'aaron',
            raw_content: 'Test Private Message 3',
            time_stamp: 'Jan 29',
        },
        {
            draft_id: 'id4',
            is_stream: false,
            recipients: 'aaron',
            raw_content: 'Test Private Message 2',
            time_stamp: 'Jan 26',
        },
        {
            draft_id: 'id3',
            is_stream: true,
            stream: 'stream 2',
            stream_color: '#FFFFFF',
            dark_background: '',
            topic: 'topic',
            raw_content: 'Test Stream Message 2',
            time_stamp: 'Jan 21',
        },
    ];

    blueslip.error = noop;
    $('#drafts_table').append = noop;

    const draft_model = drafts.draft_model;
    const ls = localstorage();
    localStorage.clear();
    const data = { id1: draft_1, id2: draft_2, id3: draft_3, id4: draft_4, id5: draft_5 };
    ls.set("drafts", data);
    assert.deepEqual(draft_model.get(), data);

    const stub_render_now = timerender.render_now;
    timerender.render_now = function (time) {
        return stub_render_now(time, new XDate(1549958107000));
    };

    global.stub_templates(function (template_name, data) {
        assert.equal(template_name, 'draft_table_body');
        // Tests formatting and sorting of drafts
        assert.deepEqual(data.drafts, expected);
        return '<draft table stub>';
    });

    drafts.open_modal = noop;
    drafts.set_initial_element = noop;
    $("#drafts_table .draft-row").length = 0;

    drafts.launch();
    timerender.render_now = stub_render_now;
});