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

function star_count() {
    return casper.evaluate(function () {
        return $("#zhome .fa-star:not(.empty-star)").length;
    });
}

function toggle_test_star_message() {
    var error = casper.evaluate(function () {
        var msg = $('.message_content:contains("test star"):visible').last();

        if (msg.length !== 1) {
            return 'cannot find test star message';
        }

        var star_icon = msg
            .closest('.messagebox')
            .find('.star');

        if (star_icon.length !== 1) {
            return 'cannot find star icon';
        }

        star_icon.click();
    });

    if (error) {
        casper.test.info('\n\nERROR: ' + error);
    }

    casper.test.assert(!error);
}

common.start_and_log_in();

casper.then(function () {
    casper.test.info("Sending test message");
});

common.then_send_message('stream', {
    stream: 'Verona',
    subject: 'stars',
    content: 'test star',
});

casper.then(function () {
    common.wait_for_text("#zhome .message_row", "test star");
});

casper.then(function () {
    casper.test.info("Checking star counts");

    // Initially, no messages are starred.
    casper.test.assertEquals(star_count(), 0,
                             "Got expected empty star count.");

    // Clicking on a message star stars it.
    toggle_test_star_message();
});

casper.then(function () {
    casper.waitUntilVisible('#zhome .fa-star', function () {
        casper.test.assertEquals(star_count(), 1,
                                 "Got expected single star count.");

        casper.click('a[href^="#narrow/is/starred"]');
    });
});

casper.waitUntilVisible('#zfilt', function () {
    // You can narrow to your starred messages.
    common.expected_messages('zfilt', ['Verona > stars'], ['<p>test star</p>']);
    common.un_narrow();
});

casper.then(function () {
    // Clicking on a starred message unstars it.
    toggle_test_star_message();
    casper.test.assertEquals(star_count(), 0,
                             "Got expected re-empty star count.");
});

common.then_log_out();

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