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

common.start_and_log_in();

// We could use the messages sent by 02-site.js, but we want to
// make sure each test file can be run individually (which the
// 'run' script provides for).

casper.then(function () {
    casper.test.info('Sending messages');
});

common.then_send_many([
    { stream:  'Verona', subject: 'frontend test',
      content: 'test message A' },

    { stream:  'Verona', subject: 'frontend test',
      content: 'test message B' },

    { stream:  'Verona', subject: 'other subject',
      content: 'test message C' },

    { stream:  'Denmark', subject: 'frontend test',
      content: 'other message' },

    { recipient: 'cordelia@zulip.com, hamlet@zulip.com',
      content:   'personal A' },

    { recipient: 'cordelia@zulip.com, hamlet@zulip.com',
      content:   'personal B' },

    { recipient: 'cordelia@zulip.com',
      content:   'personal C' },

    { stream:  'Verona', subject: 'frontend test',
      content: 'test message D' },

    { recipient: 'cordelia@zulip.com, hamlet@zulip.com',
      content:   'personal D' },

    { recipient: 'cordelia@zulip.com',
      content:   'personal E' }
]);


// Define the messages we expect to see when narrowed.

function expect_home() {
    common.expected_messages('zhome', [
        'Verona > frontend test',
        'You and Cordelia Lear, King Hamlet',
        'You and Cordelia Lear'
    ], [
        '<p>test message D</p>',
        '<p>personal D</p>',
        '<p>personal E</p>'
    ]);
}

function expect_stream() {
    common.expected_messages('zfilt', [
        'Verona > frontend test',
        'Verona > other subject',
        'Verona > frontend test'
    ], [
        '<p>test message A</p>',
        '<p>test message B</p>',
        '<p>test message C</p>',
        '<p>test message D</p>'
    ]);
}

function expect_stream_subject() {
    common.expected_messages('zfilt', [
        'Verona > frontend test'
    ], [
        '<p>test message A</p>',
        '<p>test message B</p>',
        '<p>test message D</p>'
    ]);
}

function expect_subject() {
    common.expected_messages('zfilt', [
        'Verona > frontend test',
        'Denmark > frontend test',
        'Verona > frontend test'
    ], [
        '<p>test message A</p>',
        '<p>test message B</p>',
        '<p>other message</p>',
        '<p>test message D</p>'
    ]);
}

function expect_huddle() {
    common.expected_messages('zfilt', [
        'You and Cordelia Lear, King Hamlet'
    ], [
        '<p>personal A</p>',
        '<p>personal B</p>',
        '<p>personal D</p>'
    ]);
}

function expect_1on1() {
    common.expected_messages('zfilt', [
        'You and Cordelia Lear'
    ], [
        '<p>personal C</p>',
        '<p>personal E</p>'
    ]);
}

function expect_all_pm() {
    common.expected_messages('zfilt', [
        'You and Cordelia Lear, King Hamlet',
        'You and Cordelia Lear'
    ], [
        '<p>personal A</p>',
        '<p>personal B</p>',
        '<p>personal C</p>',
        '<p>personal D</p>',
        '<p>personal E</p>'
    ]);
}

function check_narrow_title(title) {
    return function () {
        // need to get title tag from HTML
        // test if it's equal to some string passed in to function
        casper.test.assertSelectorHasText('title', title, 'Got expected narrow title');
    };
}

function un_narrow() {
    casper.then(common.un_narrow);
    casper.then(expect_home);
    casper.then(check_narrow_title('home - Zulip Dev - Zulip'));
}

// Narrow by clicking links.

common.wait_for_receive(function () {
    casper.test.info('Narrowing by clicking stream');
    casper.click('*[title="Narrow to stream \\\"Verona\\\""]');
});

casper.waitUntilVisible('#zfilt', function () {
    expect_stream();
});
casper.then(check_narrow_title('Verona - Zulip Dev - Zulip'));
un_narrow();

casper.waitUntilVisible('#zhome', function () {
    expect_home();
    casper.test.info('Narrowing by clicking subject');
    casper.click('*[title="Narrow to stream \\\"Verona\\\", topic \\\"frontend test\\\""]');
});
casper.then(check_narrow_title('frontend test - Zulip Dev - Zulip'));

casper.waitUntilVisible('#zfilt', function () {
    expect_stream_subject();

    // This time, un-narrow by hitting the search 'x'
    casper.test.info('Un-narrowing');
    casper.click('#search_exit');
});

casper.waitUntilVisible('#zhome', function () {
    expect_home();
    casper.test.info('Narrowing by clicking personal');
    casper.click('*[title="Narrow to your private messages with Cordelia Lear, King Hamlet"]');
});

casper.then(check_narrow_title('private - Zulip Dev - Zulip'));

casper.waitUntilVisible('#zfilt', function () {
    expect_huddle();

    // Un-narrow by clicking "Zulip"
    casper.test.info('Un-narrowing');
    casper.click('.brand');
});


// Narrow by typing in search strings or operators.

function search_and_check(str, item, check, narrow_title) {
    common.select_item_via_typeahead('#search_query', str, item);
    casper.then(check);
    casper.then(check_narrow_title(narrow_title));
    un_narrow();
}

function search_silent_user(str, item) {
    common.select_item_via_typeahead('#search_query', str, item);
    casper.waitUntilVisible('#silent_user', function () {
        casper.test.info("Empty feed for silent user visible.");
        var expected_message = "\n        You haven't received any messages sent by this user yet!"+
                                "\n      ";
        this.test.assertEquals(casper.fetchText('#silent_user'), expected_message);
    });
    un_narrow();
}

function search_non_existing_user(str, item) {
    common.select_item_via_typeahead('#search_query', str, item);
    casper.waitUntilVisible('#non_existing_user', function () {
        casper.test.info("Empty feed for non existing user visible.");
        var expected_message = "\n        This user does not exist!"+
                                "\n      ";
        this.test.assertEquals(casper.fetchText('#non_existing_user'), expected_message);
    });
    un_narrow();
}

casper.waitUntilVisible('#zhome', expect_home);

// Test stream / recipient autocomplete in the search bar
search_and_check('Verona', 'Narrow to stream', expect_stream,
                 'Verona - Zulip Dev - Zulip');
search_and_check('Cordelia', 'Narrow to private', expect_1on1,
                'private - Zulip Dev - Zulip');

// Test operators
search_and_check('stream:Verona', 'Narrow', expect_stream,
                'Verona - Zulip Dev - Zulip');
search_and_check('stream:Verona subject:frontend+test', 'Narrow', expect_stream_subject,
                'frontend test - Zulip Dev - Zulip');
search_and_check('subject:frontend+test', 'Narrow', expect_subject,
                'home - Zulip Dev - Zulip');

search_silent_user('sender:emailgateway@zulip.com', 'Narrow');
search_non_existing_user('sender:dummyuser@zulip.com', 'Narrow');

// Narrow by clicking the left sidebar.
casper.then(function () {
    casper.test.info('Narrowing with left sidebar');
});
casper.thenClick('#stream_filters [data-name="Verona"]  a', expect_stream);
casper.then(check_narrow_title('Verona - Zulip Dev - Zulip'));
casper.thenClick('#global_filters [data-name="home"]    a', expect_home);
casper.then(check_narrow_title('home - Zulip Dev - Zulip'));
casper.thenClick('#global_filters [data-name="private"] a', expect_all_pm);
casper.then(check_narrow_title('private - Zulip Dev - Zulip'));
un_narrow();


// Make sure stream search filters the stream list
casper.then(function () {
    casper.test.info('Search streams using left sidebar');
});

casper.then(function () {
    casper.test.assertExists('.stream-list-filter.notdisplayed', 'Stream filter box not visible initially');
});

casper.thenClick('#streams_header .sidebar-title');

casper.then(function () {
    casper.test.assertDoesntExist('.stream-list-filter.notdisplayed', 'Stream filter box visible after click');
});

casper.then(function () {
    casper.test.assertExists('#stream_filters [data-name="Denmark"]', 'Original stream list contains Denmark');
    casper.test.assertExists('#stream_filters [data-name="Scotland"]', 'Original stream list contains Scotland');
    casper.test.assertExists('#stream_filters [data-name="Verona"]', 'Original stream list contains Verona');
});

// We search for the beginning of "Verona", not case sensitive
casper.then(function () {
    casper.evaluate(function () {
        $('.stream-list-filter').expectOne()
            .focus()
            .val('ver')
            .trigger($.Event('input'));
    });
});
casper.then(function () {
    casper.test.assertDoesntExist('#stream_filters [data-name="Denmark"]', 'Filtered stream list does not contain Denmark');
    casper.test.assertDoesntExist('#stream_filters [data-name="Scotland"]', 'Filtered stream list does not contain Scotland');
    casper.test.assertExists('#stream_filters [data-name="Verona"]', 'Filtered stream list does contain Verona');
});

// Clearing the list should give us back all the streams in the list
casper.then(function () {
    casper.evaluate(function () {
        $('.stream-list-filter').expectOne()
            .focus()
            .val('')
            .trigger($.Event('input'));
    });
});
casper.then(function () {
    casper.test.assertExists('#stream_filters [data-name="Denmark"]', 'Restored stream list contains Denmark');
    casper.test.assertExists('#stream_filters [data-name="Scotland"]', 'Restored stream list contains Scotland');
    casper.test.assertExists('#stream_filters [data-name="Verona"]', 'Restored stream list contains Verona');
});

casper.thenClick('#streams_header .sidebar-title');

casper.then(function () {
    casper.test.assertExists('.stream-list-filter.notdisplayed', 'Stream filter box not visible after second click');
});

un_narrow();


common.then_log_out();

// Run the above queued actions.
casper.run(function () {
    casper.test.done();
});