"use strict";

var common = require("../casper_lib/common.js");

function stream_checkbox(stream_name) {
    var stream_id = common.get_stream_id(stream_name);
    return '#stream-checkboxes [data-stream-id="' + stream_id + '"]';
}

function stream_span(stream_name) {
    return stream_checkbox(stream_name) + " input ~ span";
}

function user_checkbox(email) {
    var user_id = common.get_user_id(email);
    return '#user-checkboxes [data-user-id="' + user_id + '"]';
}

function user_span(email) {
    return user_checkbox(email) + " input ~ span";
}

function is_checked(email) {
    var sel = user_checkbox(email);
    return casper.evaluate(
        function (sel) {
            return $(sel).find("input")[0].checked;
        },
        {
            sel: sel,
        }
    );
}

common.start_and_log_in();

casper.then(function () {
    var menu_selector = "#settings-dropdown";

    casper.test.info("Streams page");

    casper.waitUntilVisible(menu_selector, function () {
        casper.click(menu_selector);
        casper.then(function () {
            casper.click('a[href^="#streams"]');
            casper.test.assertUrlMatch(
                /^http:\/\/[^/]+\/#streams/,
                "URL suggests we are on streams page"
            );
            casper.waitUntilVisible("#subscription_overlay.new-style", function () {
                casper.test.assertExists(
                    "#subscription_overlay.new-style",
                    "Streams page is active"
                );
            });
        });
    });
});

casper.waitUntilVisible(".sub_unsub_button.checked", function () {
    casper.test.assertExists(".sub_unsub_button.checked", "Initial subscriptions loaded");
    casper.click("#add_new_subscription .create_stream_button");
});

casper.then(function () {
    casper.test.assertExists(
        user_checkbox("cordelia@zulip.com"),
        "Original user list contains Cordelia"
    );
    casper.test.assertExists(
        user_checkbox("othello@zulip.com"),
        "Original user list contains Othello"
    );
});

casper.waitUntilVisible("#copy-from-stream-expand-collapse", function () {
    casper.click("#copy-from-stream-expand-collapse");
});

casper.waitUntilVisible("#stream-checkboxes", function () {
    casper.test.assertExists(stream_checkbox("Scotland"), "Original stream list contains Scotland");
    casper.test.assertExists(stream_checkbox("Rome"), "Original stream list contains Rome");
});

casper.waitUntilVisible("form#stream_creation_form", function () {
    casper.test.info("Filtering with keyword 'ot'");
    casper.fill("form#stream_creation_form", {user_list_filter: "ot"});
});
casper.waitUntilVisible("#user-checkboxes", function () {
    casper.test.assertEquals(
        casper.visible(user_checkbox("cordelia@zulip.com")),
        false,
        "Cordelia is not visible"
    );
    casper.test.assertEquals(
        casper.visible(user_checkbox("othello@zulip.com")),
        true,
        "Othello is visible"
    );

    /* The filter should not impact streams */
    casper.test.assertEquals(
        casper.visible(stream_checkbox("Scotland")),
        true,
        "Scotland is visible"
    );
    casper.test.assertEquals(casper.visible(stream_checkbox("Rome")), true, "Rome is visible");
});
casper.then(function () {
    casper.test.info("Check Uncheck only visible users for new stream");
    casper.click(".subs_set_all_users");
    casper.wait(100, function () {
        casper.test.assert(!is_checked("cordelia@zulip.com"), "Cordelia is unchecked");
        casper.test.assert(is_checked("othello@zulip.com"), "Othello is checked");
    });
});
casper.then(function () {
    casper.test.info("Check Uncheck only visible users for new stream");
    casper.click(".subs_unset_all_users");
    casper.wait(100, function () {
        casper.test.assert(!is_checked("othello@zulip.com"), "Othello is unchecked");
    });
});
casper.then(function () {
    casper.test.info("Clearing user filter search box");
    casper.fill("form#stream_creation_form", {user_list_filter: ""});
});
casper.then(function () {
    casper.test.assertEquals(
        casper.visible(user_checkbox("cordelia@zulip.com")),
        true,
        "Cordelia is visible again"
    );
    casper.test.assertEquals(
        casper.visible(user_checkbox("othello@zulip.com")),
        true,
        "Othello is visible again"
    );
    casper.test.assertEquals(
        casper.visible(stream_checkbox("Scotland")),
        true,
        "Scotland is visible again"
    );
    casper.test.assertEquals(
        casper.visible(stream_checkbox("Rome")),
        true,
        "Rome is visible again"
    );
});
casper.then(function () {
    casper.waitUntilVisible("#stream_creation_form", function () {
        casper.test.assertTextExists("Create stream", "New stream creation panel");
        casper.fill("form#stream_creation_form", {
            stream_name: "Waseemio",
            stream_description: "Oimeesaw",
        });
        casper.click(stream_span("Scotland"));
        casper.click(user_span("cordelia@zulip.com"));
        casper.click(user_span("othello@zulip.com"));
        casper.click("form#stream_creation_form button.button.sea-green");
    });
});

casper.then(function () {
    casper.waitFor(function () {
        return casper.evaluate(function () {
            return $(".stream-name").is(':contains("Waseemio")');
        });
    });
});

casper.then(function () {
    casper.test.info("User should be subscribed to stream Waseemio");
    casper.test.assertSelectorHasText(".stream-name", "Waseemio");
    casper.test.assertSelectorHasText(".description", "Oimeesaw");
    // Based on the selected checkboxes while creating stream,
    // 4 users from Scotland are added.
    // 1 user, Cordelia, is added. Othello (subscribed to Scotland) is removed.
    // FIXME: This assertion may pick up the count from a random other stream.
    casper.test.assertSelectorHasText(".subscriber-count-text", "4");
    casper.fill("form#stream_creation_form", {stream_name: "  "});
    casper.click("form#stream_creation_form button.button.sea-green");
});
casper.then(function () {
    common.wait_for_text("#stream_name_error", "A stream needs to have a name", function () {
        casper.test.assertTextExists(
            "A stream needs to have a name",
            "Can't create a stream with an empty name"
        );
        casper.click("form#stream_creation_form button.button.white");
        casper.fill("form#stream_creation_form", {stream_name: "Waseemio"});
        casper.click("form#stream_creation_form button.button.sea-green");
    });
});
casper.then(function () {
    common.wait_for_text(
        "#stream_name_error",
        "A stream with this name already exists",
        function () {
            casper.test.assertTextExists(
                "A stream with this name already exists",
                "Can't create a stream with a duplicate name"
            );
            casper.test.info("Streams should be filtered when typing in the create box");
            casper.click("form#stream_creation_form button.button.white");
        }
    );
});
casper.then(function () {
    common.wait_for_text("#search_stream_name", "", function () {
        casper.test.assertSelectorHasText(
            '.stream-row[data-stream-name="Verona"] .stream-name',
            "Verona",
            "Verona stream exists before filtering"
        );
        casper.test.assertSelectorDoesntHaveText(
            ".stream-row.notdisplayed .stream-name",
            "Verona",
            "Verona stream shown before filtering"
        );
    });
});
casper.then(function () {
    casper.evaluate(function () {
        $('#stream_filter input[type="text"]').expectOne().val("waseem").trigger($.Event("input"));
    });
});
casper.waitForSelectorTextChange(".streams-list", function () {
    casper.test.assertSelectorHasText(
        ".stream-row .stream-name",
        "Waseemio",
        "Waseemio stream exists after filtering"
    );
    casper.test.assertSelectorHasText(
        ".stream-row.notdisplayed .stream-name",
        "Verona",
        "Verona stream not shown after filtering"
    );
    casper.test.assertSelectorDoesntHaveText(
        ".stream-row.notdisplayed .stream-name",
        "Waseemio",
        "Waseemio stream shown after filtering"
    );
});

common.then_log_out();

casper.run(function () {
    casper.test.done();
});