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 = ["Iago: copy paste test C", "Iago: 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 = ["Iago: copy paste test C", "Iago: copy paste test D", "Iago: 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",
        "Iago: copy paste test B",
        "Verona > copy-paste-subject #2 Today",
        "Iago: 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",
        "Iago: copy paste test B",
        "Verona > copy-paste-subject #2 Today",
        "Iago: copy paste test C",
        "Iago: copy paste test D",
        "Iago: 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",
        "Iago: copy paste test A",
        "Iago: copy paste test B",
        "Verona > copy-paste-subject #2 Today",
        "Iago: 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",
        "Iago: copy paste test B",
        "Verona > copy-paste-subject #2 Today",
        "Iago: copy paste test C",
        "Iago: copy paste test D",
        "Iago: copy paste test E",
        "Verona > copy-paste-subject #3 Today",
        "Iago: 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();
});