set_global('i18n', global.stub_i18n);
global.stub_out_jquery();

set_global('ui', {
    get_content_element: element => element,
    get_scroll_element: element => element,
});
zrequire('util');
zrequire('stream_data');
zrequire('search_util');
set_global('page_params', {});
set_global('blueslip', global.make_zblueslip());

set_global('location', {
    hash: "#streams/1/announce",
});

zrequire('subs');

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

stream_data.update_calculated_fields = () => {};

run_test('filter_table', () => {
    const stream_list = $(".streams-list");

    let scrolltop_called = false;
    stream_list.scrollTop = function (set) {
        scrolltop_called = true;
        if (!set) {
            return 10;
        }
        assert.equal(set, 10);
    };

    // set-up sub rows stubs
    const sub_row_data = {};
    sub_row_data[1] = {
        elem: 'denmark',
        subscribed: false,
        name: 'Denmark',
        stream_id: 1,
        description: 'Copenhagen',
    };
    sub_row_data[2] = {
        elem: 'poland',
        subscribed: true,
        name: 'Poland',
        stream_id: 2,
        description: 'monday',
    };
    sub_row_data[3] = {
        elem: 'pomona',
        subscribed: true,
        name: 'Pomona',
        stream_id: 3,
        description: 'college',
    };
    sub_row_data[4] = {
        elem: 'cpp',
        subscribed: true,
        name: 'C++',
        stream_id: 4,
        description: 'programming lang',
    };

    _.each(sub_row_data, function (sub) {
        stream_data.add_sub(sub.name, sub);
    });

    let populated_subs;

    global.stub_templates((fn, data) => {
        assert.equal(fn, 'subscriptions');
        populated_subs = data.subscriptions;
    });

    subs.populate_stream_settings_left_panel();

    const sub_stubs = [];
    _.each(populated_subs, function (data) {
        const sub_row = ".stream-row-" + data.elem;
        sub_stubs.push(sub_row);

        $(sub_row).attr("data-stream-id", data.stream_id);
        $(sub_row).set_find_results('.sub-info-box [class$="-bar"] [class$="-count"]', $(".tooltip"));
        $(sub_row).detach = function () {
            return sub_row;
        };
    });

    let tooltip_called = false;
    $(".tooltip").tooltip = function (obj) {
        tooltip_called = true;
        assert.deepEqual(obj, {
            placement: 'left',
            animation: false,
        });
    };

    $.stub_selector("#subscriptions_table .stream-row", sub_stubs);

    const sub_table = $('#subscriptions_table .streams-list');
    let sub_table_append = [];
    sub_table.append = function (rows) {
        sub_table_append.push(rows);
    };

    let ui_called = false;
    ui.reset_scrollbar = function (elem) {
        ui_called = true;
        assert.equal(elem, $("#subscription_overlay .streams-list"));
    };

    // Search with single keyword
    subs.filter_table({input: "Po", subscribed_only: false});
    assert($(".stream-row-denmark").hasClass("notdisplayed"));
    assert(!$(".stream-row-poland").hasClass("notdisplayed"));
    assert(!$(".stream-row-pomona").hasClass("notdisplayed"));
    assert($(".stream-row-cpp").hasClass("notdisplayed"));

    // assert these once and call it done
    assert(ui_called);
    assert(scrolltop_called);
    assert(tooltip_called);
    assert.deepEqual(sub_table_append, [
        '.stream-row-poland',
        '.stream-row-pomona',
        '.stream-row-cpp',
        '.stream-row-denmark',
    ]);

    // Search with multiple keywords
    subs.filter_table({input: "Denmark, Pol", subscribed_only: false});
    assert(!$(".stream-row-denmark").hasClass("notdisplayed"));
    assert(!$(".stream-row-poland").hasClass("notdisplayed"));
    assert($(".stream-row-pomona").hasClass("notdisplayed"));
    assert($(".stream-row-cpp").hasClass("notdisplayed"));

    subs.filter_table({input: "Den, Pol", subscribed_only: false});
    assert(!$(".stream-row-denmark").hasClass("notdisplayed"));
    assert(!$(".stream-row-poland").hasClass("notdisplayed"));
    assert($(".stream-row-pomona").hasClass("notdisplayed"));
    assert($(".stream-row-cpp").hasClass("notdisplayed"));

    // Search is case-insensitive
    subs.filter_table({input: "po", subscribed_only: false});
    assert($(".stream-row-denmark").hasClass("notdisplayed"));
    assert(!$(".stream-row-poland").hasClass("notdisplayed"));
    assert(!$(".stream-row-pomona").hasClass("notdisplayed"));
    assert($(".stream-row-cpp").hasClass("notdisplayed"));

    // Search handles unusual characters like C++
    subs.filter_table({input: "c++", subscribed_only: false});
    assert($(".stream-row-denmark").hasClass("notdisplayed"));
    assert($(".stream-row-poland").hasClass("notdisplayed"));
    assert($(".stream-row-pomona").hasClass("notdisplayed"));
    assert(!$(".stream-row-cpp").hasClass("notdisplayed"));

    // Search subscribed streams only
    subs.filter_table({input: "d", subscribed_only: true});
    assert($(".stream-row-denmark").hasClass("notdisplayed"));
    assert(!$(".stream-row-poland").hasClass("notdisplayed"));
    assert($(".stream-row-pomona").hasClass("notdisplayed"));
    assert($(".stream-row-cpp").hasClass("notdisplayed"));

    // Search terms match stream description
    subs.filter_table({input: "Co", subscribed_only: false});
    assert(!$(".stream-row-denmark").hasClass("notdisplayed"));
    assert($(".stream-row-poland").hasClass("notdisplayed"));
    assert(!$(".stream-row-pomona").hasClass("notdisplayed"));
    assert($(".stream-row-cpp").hasClass("notdisplayed"));

    // Search names AND descriptions
    sub_table_append = [];

    subs.filter_table({input: "Mon", subscribed_only: false});
    assert($(".stream-row-denmark").hasClass("notdisplayed"));
    assert(!$(".stream-row-poland").hasClass("notdisplayed"));
    assert(!$(".stream-row-pomona").hasClass("notdisplayed"));
    assert($(".stream-row-cpp").hasClass("notdisplayed"));
    assert.deepEqual(sub_table_append, [
        '.stream-row-pomona',
        '.stream-row-poland',
        '.stream-row-cpp',
        '.stream-row-denmark',
    ]);

    // active stream-row is not included in results
    $(".stream-row-denmark").addClass("active");
    $(".stream-row.active").hasClass = function (cls) {
        assert.equal(cls, "notdisplayed");
        return $(".stream-row-denmark").hasClass("active");
    };
    $(".stream-row.active").removeClass = function (cls) {
        assert.equal(cls, "active");
        $(".stream-row-denmark").removeClass("active");
    };

    subs.filter_table({input: "d", subscribed_only: true});
    assert(!$(".stream-row-denmark").hasClass("active"));
    assert(!$(".right .settings").visible());
    assert($(".nothing-selected").visible());

    subs.filter_table({input: "d", subscribed_only: true});
    assert($(".stream-row-denmark").hasClass("notdisplayed"));
    assert(!$(".stream-row-poland").hasClass("notdisplayed"));
    assert($(".stream-row-pomona").hasClass("notdisplayed"));
    assert($(".stream-row-cpp").hasClass("notdisplayed"));

    subs.filter_table({input: "d", subscribed_only: true});
    assert($(".stream-row-denmark").hasClass("notdisplayed"));
    assert(!$(".stream-row-poland").hasClass("notdisplayed"));
    assert($(".stream-row-pomona").hasClass("notdisplayed"));
    assert($(".stream-row-cpp").hasClass("notdisplayed"));

    // test selected row set to active
    $(".stream-row[data-stream-id='1']").removeClass("active");
    subs.filter_table({input: "", subscribed_only: false});
    assert($(".stream-row[data-stream-id='1']").hasClass("active"));
});