set_global("page_params", {
    search_pills_enabled: false,
});
zrequire("search");
zrequire("tab_bar");

const noop = () => {};
const return_true = () => true;
const return_false = () => false;

set_global("$", global.make_zjquery());
set_global("narrow_state", {});
set_global("search_suggestion", {});
set_global("ui_util", {
    change_tab_to: noop,
});
set_global("narrow", {});
set_global("Filter", {});

global.patch_builtin("setTimeout", (func) => func());

run_test("update_button_visibility", () => {
    const search_query = $("#search_query");
    const search_button = $(".search_button");

    search_query.is = return_false;
    search_query.val("");
    narrow_state.active = return_false;
    search_button.prop("disabled", true);
    search.update_button_visibility();
    assert(search_button.prop("disabled"));

    search_query.is = return_true;
    search_query.val("");
    narrow_state.active = return_false;
    search_button.prop("disabled", true);
    search.update_button_visibility();
    assert(!search_button.prop("disabled"));

    search_query.is = return_false;
    search_query.val("Test search term");
    narrow_state.active = return_false;
    search_button.prop("disabled", true);
    search.update_button_visibility();
    assert(!search_button.prop("disabled"));

    search_query.is = return_false;
    search_query.val("");
    narrow_state.active = return_true;
    search_button.prop("disabled", true);
    search.update_button_visibility();
    assert(!search_button.prop("disabled"));
});

run_test("initialize", () => {
    const search_query_box = $("#search_query");
    const searchbox_form = $("#searchbox_form");
    const search_button = $(".search_button");

    searchbox_form.on = (event, func) => {
        assert.equal(event, "compositionend");
        search.is_using_input_method = false;
        func();
        assert(search.is_using_input_method);
    };

    search_suggestion.max_num_of_search_results = 999;
    search_query_box.typeahead = (opts) => {
        assert.equal(opts.fixed, true);
        assert.equal(opts.items, 999);
        assert.equal(opts.naturalSearch, true);
        assert.equal(opts.helpOnEmptyStrings, true);
        assert.equal(opts.matcher(), true);

        {
            const search_suggestions = {
                lookup_table: new Map([
                    [
                        "stream:Verona",
                        {
                            description: "Stream <strong>Ver</strong>ona",
                            search_string: "stream:Verona",
                        },
                    ],
                    [
                        "ver",
                        {
                            description: "Search for ver",
                            search_string: "ver",
                        },
                    ],
                ]),
                strings: ["ver", "stream:Verona"],
            };

            /* Test source */
            search_suggestion.get_suggestions = () => search_suggestions;
            const expected_source_value = search_suggestions.strings;
            const source = opts.source("ver");
            assert.equal(source, expected_source_value);

            /* Test highlighter */
            let expected_value = "Search for ver";
            assert.equal(opts.highlighter(source[0]), expected_value);

            expected_value = "Stream <strong>Ver</strong>ona";
            assert.equal(opts.highlighter(source[1]), expected_value);

            /* Test sorter */
            assert.equal(opts.sorter(search_suggestions.strings), search_suggestions.strings);
        }

        {
            let operators;
            let is_blurred;
            search_query_box.blur = () => {
                is_blurred = true;
            };
            /* Test updater */
            const _setup = (search_box_val) => {
                is_blurred = false;
                search_query_box.val(search_box_val);
                Filter.parse = (search_string) => {
                    assert.equal(search_string, search_box_val);
                    return operators;
                };
                narrow.activate = (raw_operators, options) => {
                    assert.deepEqual(raw_operators, operators);
                    assert.deepEqual(options, {trigger: "search"});
                };
            };

            operators = [
                {
                    negated: false,
                    operator: "search",
                    operand: "ver",
                },
            ];
            _setup("ver");
            assert.equal(opts.updater("ver"), "ver");
            assert(is_blurred);

            operators = [
                {
                    negated: false,
                    operator: "stream",
                    operand: "Verona",
                },
            ];
            _setup("stream:Verona");
            assert.equal(opts.updater("stream:Verona"), "stream:Verona");
            assert(is_blurred);

            search.is_using_input_method = true;
            _setup("stream:Verona");
            assert.equal(opts.updater("stream:Verona"), "stream:Verona");
            assert(!is_blurred);
        }
    };

    searchbox_form.keydown = (func) => {
        const ev = {
            which: 15,
        };
        search_query_box.is = return_false;
        assert.equal(func(ev), undefined);

        ev.which = 13;
        assert.equal(func(ev), undefined);

        ev.which = 13;
        search_query_box.is = return_true;
        assert.equal(func(ev), false);

        return search_query_box;
    };

    search_query_box.keyup = (func) => {
        const ev = {};
        let operators;
        let is_blurred;
        narrow_state.active = return_false;
        search_query_box.blur = () => {
            is_blurred = true;
        };

        const _setup = (search_box_val) => {
            is_blurred = false;
            search_button.prop("disabled", false);
            search_query_box.val(search_box_val);
            Filter.parse = (search_string) => {
                assert.equal(search_string, search_box_val);
                return operators;
            };
            narrow.activate = (raw_operators, options) => {
                assert.deepEqual(raw_operators, operators);
                assert.deepEqual(options, {trigger: "search"});
            };
        };

        operators = [
            {
                negated: false,
                operator: "search",
                operand: "",
            },
        ];
        _setup("");

        ev.which = 15;
        search_query_box.is = return_false;
        func(ev);

        assert(!is_blurred);
        assert(!search_button.prop("disabled"));

        ev.which = 13;
        search_query_box.is = return_false;
        func(ev);

        assert(!is_blurred);
        assert(!search_button.prop("disabled"));

        ev.which = 13;
        search_query_box.is = return_true;
        func(ev);
        assert(is_blurred);

        _setup("ver");
        search.is_using_input_method = true;
        func(ev);
        // No change on enter keyup event when using input tool
        assert(!is_blurred);
        assert(!search_button.prop("disabled"));

        _setup("ver");
        ev.which = 13;
        search_query_box.is = return_true;
        func(ev);
        assert(is_blurred);
        assert(!search_button.prop("disabled"));
    };

    search_query_box.on = (event, callback) => {
        if (event === "focus") {
            search_button.prop("disabled", true);
            callback();
            assert(!search_button.prop("disabled"));
        } else if (event === "blur") {
            search_query_box.val("test string");
            narrow_state.search_string = () => "ver";
            callback();
            assert.equal(search_query_box.val(), "test string");
        }
    };

    search.initialize();
});

run_test("initiate_search", () => {
    // open typeahead and select text when navbar is open
    // this implicitly expects the code to used the chained
    // function calls, which is something to keep in mind if
    // this test ever fails unexpectedly.
    narrow_state.filter = () => ({is_search: return_true});
    let typeahead_forced_open = false;
    let is_searchbox_text_selected = false;
    $("#search_query").select = noop;
    $("#search_query").typeahead = (lookup) => {
        if (lookup === "lookup") {
            typeahead_forced_open = true;
            return {
                select: () => {
                    is_searchbox_text_selected = true;
                },
            };
        }
    };
    search.initiate_search();
    assert(typeahead_forced_open);
    assert(is_searchbox_text_selected);
    assert.equal($("#search_query").val(), "ver");

    // test that we append space for user convenience
    narrow_state.filter = () => ({is_search: return_false});
    search.initiate_search();
    assert.equal($("#search_query").val(), "ver ");
});