"use strict";

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

common.start_and_log_in();

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

// setup environment: several messages to different topics
common.then_send_many([
    {stream: "Verona", subject: "copy-paste-subject #1", content: "copy paste test A"},

    {stream: "Verona", subject: "copy-paste-subject #1", content: "copy paste test B"},

    {stream: "Verona", subject: "copy-paste-subject #2", content: "copy paste test C"},

    {stream: "Verona", subject: "copy-paste-subject #2", content: "copy paste test D"},

    {stream: "Verona", subject: "copy-paste-subject #2", content: "copy paste test E"},

    {stream: "Verona", subject: "copy-paste-subject #3", content: "copy paste test F"},

    {stream: "Verona", subject: "copy-paste-subject #3", content: "copy paste test G"},
]);

common.wait_for_receive(function () {
    common.expected_messages(
        "zhome",
        [
            "Verona > copy-paste-subject #1",
            "Verona > copy-paste-subject #2",
            "Verona > copy-paste-subject #3",
        ],
        [
            "<p>copy paste test A</p>",
            "<p>copy paste test B</p>",
            "<p>copy paste test C</p>",
            "<p>copy paste test D</p>",
            "<p>copy paste test E</p>",
            "<p>copy paste test F</p>",
            "<p>copy paste test G</p>",
        ]
    );
});

casper.then(function () {
    casper.test.info("Messages were sent successfully");
});

function get_message_node(message) {
    return $('.message_row .message_content:contains("' + message + '")').get(0);
}

function copy_messages(start_message, end_message) {
    return casper.evaluate(
        function (get_message_node, start_message, end_message) {
            // select messages from start_message to end_message
            var selectedRange = document.createRange();
            selectedRange.setStart(get_message_node(start_message));
            selectedRange.setEnd(get_message_node(end_message));
            window.getSelection().removeAllRanges();
            window.getSelection().addRange(selectedRange);

            // Remove existing copy/paste divs, which may linger from the previous
            // example.  (The code clears these out with a zero-second timeout, which
            // is probably sufficient for human users, but which causes problems here.)
            $("#copytempdiv").remove();

            // emulate copy event
            $("body").trigger($.Event("keydown", {which: 67, ctrlKey: true}));

            // find temp div with copied text
            var temp_div = $("#copytempdiv");
            return temp_div
                .children("p")
                .get()
                .map(function (p) {
                    return p.textContent;
                });
        },
        {
            get_message_node: get_message_node,
            start_message: start_message,
            end_message: end_message,
        }
    );
}

// test copying first message from topic
casper.then(function () {
    var actual_copied_lines = copy_messages("copy paste test C", "copy paste test C");
    var expected_copied_lines = [];
    casper.test.assertEquals(
        actual_copied_lines,
        expected_copied_lines,
        "Copying was handled by browser"
    );
});

// test copying last message from topic
casper.then(function () {
    var actual_copied_lines = copy_messages("copy paste test E", "copy paste test E");
    var expected_copied_lines = [];
    casper.test.assertEquals(
        actual_copied_lines,
        expected_copied_lines,
        "Copying was handled by browser"
    );
});

// test copying two first messages from topic
casper.then(function () {
    var actual_copied_lines = copy_messages("copy paste test C", "copy paste test D");
    var expected_copied_lines = ["Desdemona: copy paste test C", "Desdemona: copy paste test D"];
    casper.test.assertEquals(
        actual_copied_lines,
        expected_copied_lines,
        "Copying was handled by custom handler"
    );
});

// test copying all messages from topic
casper.then(function () {
    var actual_copied_lines = copy_messages("copy paste test C", "copy paste test E");
    var expected_copied_lines = [
        "Desdemona: copy paste test C",
        "Desdemona: copy paste test D",
        "Desdemona: copy paste test E",
    ];
    casper.test.assertEquals(
        actual_copied_lines,
        expected_copied_lines,
        "Copying was handled by custom handler"
    );
});

// test copying last message from previous topic and first message from next topic
casper.then(function () {
    var actual_copied_lines = copy_messages("copy paste test B", "copy paste test C");
    var expected_copied_lines = [
        "Verona > copy-paste-subject #1 Today",
        "Desdemona: copy paste test B",
        "Verona > copy-paste-subject #2 Today",
        "Desdemona: copy paste test C",
    ];
    casper.test.assertEquals(
        actual_copied_lines,
        expected_copied_lines,
        "Copying was handled by custom handler"
    );
});

// test copying last message from previous topic and all messages from next topic
casper.then(function () {
    var actual_copied_lines = copy_messages("copy paste test B", "copy paste test E");
    var expected_copied_lines = [
        "Verona > copy-paste-subject #1 Today",
        "Desdemona: copy paste test B",
        "Verona > copy-paste-subject #2 Today",
        "Desdemona: copy paste test C",
        "Desdemona: copy paste test D",
        "Desdemona: copy paste test E",
    ];
    casper.test.assertEquals(
        actual_copied_lines,
        expected_copied_lines,
        "Copying was handled by custom handler"
    );
});

// test copying all messages from previous topic and first message from next topic
casper.then(function () {
    var actual_copied_lines = copy_messages("copy paste test A", "copy paste test C");
    var expected_copied_lines = [
        "Verona > copy-paste-subject #1 Today",
        "Desdemona: copy paste test A",
        "Desdemona: copy paste test B",
        "Verona > copy-paste-subject #2 Today",
        "Desdemona: copy paste test C",
    ];
    casper.test.assertEquals(
        actual_copied_lines,
        expected_copied_lines,
        "Copying was handled by custom handler"
    );
});

// test copying message from several topics
casper.then(function () {
    var actual_copied_lines = copy_messages("copy paste test B", "copy paste test F");
    var expected_copied_lines = [
        "Verona > copy-paste-subject #1 Today",
        "Desdemona: copy paste test B",
        "Verona > copy-paste-subject #2 Today",
        "Desdemona: copy paste test C",
        "Desdemona: copy paste test D",
        "Desdemona: copy paste test E",
        "Verona > copy-paste-subject #3 Today",
        "Desdemona: copy paste test F",
    ];
    casper.test.assertEquals(
        actual_copied_lines,
        expected_copied_lines,
        "Copying was handled by custom handler"
    );
});

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