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

function waitWhileDraftsVisible(then) {
    casper.waitFor(function () {
        return casper.evaluate(function () {
            return $("#draft_overlay").length === 0 || $("#draft_overlay").css("opacity") === "0";
        });
    }, then);
}

function waitUntilDraftsVisible(then) {
    casper.waitFor(function () {
        return casper.evaluate(function () {
            return $("#draft_overlay").length === 1 && $("#draft_overlay").css("opacity") === "1";
        });
    }, then);
}

common.start_and_log_in();

casper.then(function () {
    casper.test.info("Drafts page");

    casper.waitUntilVisible(".drafts-link", function () {
        casper.click(".drafts-link");
    });
});

casper.then(function () {
    casper.test.assertUrlMatch(/^http:\/\/[^/]+\/#drafts/, "URL suggests we are on drafts page");
    waitUntilDraftsVisible(function () {
        casper.test.assertExists("#draft_overlay", "Drafts page is active");
        casper.test.assertSelectorHasText(".no-drafts", "No drafts.");
    });
});

casper.then(function () {
    casper.click("#draft_overlay .exit");
    waitWhileDraftsVisible();
});

casper.then(function () {
    casper.test.info("Creating Stream Message Draft");
    casper.click("body");
    casper.page.sendEvent("keypress", "c");
    casper.waitUntilVisible("#stream-message", function () {
        casper.fill(
            "form#send_message_form",
            {
                stream_message_recipient_stream: "all",
                stream_message_recipient_topic: "tests",
                content: "Test Stream Message",
            },
            false
        );
        casper.click("#compose_close");
    });
});

casper.then(function () {
    casper.test.info("Creating Private Message Draft");
    casper.click("body");
    casper.page.sendEvent("keypress", "x");
    casper.waitUntilVisible("#private-message", function () {
        casper.fill(
            "form#send_message_form",
            {
                content: "Test Private Message",
            },
            false
        );
        common.pm_recipient.set("cordelia@zulip.com, hamlet@zulip.com");
        casper.click("#compose_close");
    });
});

casper.then(function () {
    casper.test.info("Opening Markdown Preview");
    casper.waitUntilVisible("#left_bar_compose_stream_button_big", function () {
        casper.click("#left_bar_compose_stream_button_big");
    });
    casper.waitUntilVisible("#markdown_preview", function () {
        casper.click("#markdown_preview");
    });
});

casper.then(function () {
    casper.waitUntilVisible(".drafts-link", function () {
        casper.click(".drafts-link");
    });
});

casper.then(function () {
    waitUntilDraftsVisible(function () {
        casper.test.assertElementCount(".draft-row", 2, "Drafts loaded");

        casper.test.assertSelectorHasText(".draft-row .message_header_stream .stream_label", "all");
        casper.test.assertSelectorHasText(
            ".draft-row .message_header_stream .stream_topic",
            "tests"
        );
        casper.test.assertTextExists(
            "Test Stream Message",
            "Stream draft contains message content"
        );

        casper.test.assertSelectorHasText(
            ".draft-row .message_header_private_message .stream_label",
            "You and Cordelia Lear, King Hamlet"
        );
        casper.test.assertTextExists(
            "Test Private Message",
            "Private draft contains message content"
        );
    });
});

casper.then(function () {
    casper.test.info("Restoring Stream Message Draft");
    casper.click("#drafts_table .message_row:not(.private-message) .restore-draft");
    waitWhileDraftsVisible(function () {
        casper.test.assertVisible("#stream-message", "Stream Message Box Restored");
        casper.test.assertNotVisible("#preview_message_area", "Preview Was Hidden");
        common.check_form(
            "form#send_message_form",
            {
                stream_message_recipient_stream: "all",
                stream_message_recipient_topic: "tests",
                content: "Test Stream Message",
            },
            "Stream message box filled with draft content"
        );
        casper.test.assertSelectorHasText(
            "title",
            "tests - Zulip Dev - Zulip",
            "Narrowed to topic"
        );
    });
});

casper.then(function () {
    casper.test.info("Editing Stream Message Draft");
    casper.fill(
        "form#send_message_form",
        {
            stream_message_recipient_stream: "all",
            stream_message_recipient_topic: "tests",
            content: "Updated Stream Message",
        },
        false
    );
    casper.click("#compose_close");
});

casper.then(function () {
    casper.waitUntilVisible(".drafts-link", function () {
        casper.click(".drafts-link");
    });
});

casper.then(function () {
    waitUntilDraftsVisible(function () {
        casper.test.assertSelectorHasText(".draft-row .message_header_stream .stream_label", "all");
        casper.test.assertSelectorHasText(
            ".draft-row .message_header_stream .stream_topic",
            "tests"
        );
        casper.test.assertTextExists(
            "Updated Stream Message",
            "Stream draft contains message content"
        );
    });
});

casper.then(function () {
    casper.test.info("Restoring Private Message Draft");
    casper.click("#drafts_table .message_row.private-message .restore-draft");
    waitWhileDraftsVisible(function () {
        casper.test.assertVisible("#private-message", "Private Message Box Restored");
        common.check_form(
            "form#send_message_form",
            {
                content: "Test Private Message",
            },
            "Private message box filled with draft content"
        );
        common.pm_recipient.expect("cordelia@zulip.com,hamlet@zulip.com");
        casper.test.assertSelectorHasText(
            "title",
            "Cordelia Lear, King Hamlet - Zulip Dev - Zulip",
            "Narrowed to huddle"
        );
    });
});

casper.then(function () {
    casper.click("#compose_close");
    casper.waitUntilVisible(".drafts-link", function () {
        casper.click(".drafts-link");
    });
});

casper.then(function () {
    casper.test.info("Deleting Draft");
    casper.click("#drafts_table .message_row.private-message .delete-draft");
    casper.test.assertElementCount(".draft-row", 1, "Draft deleted");
    casper.test.assertDoesntExist("#drafts_table .message_row.private-message");
});

casper.then(function () {
    casper.test.info("Saving Draft by Reloading");
    casper.click("#draft_overlay .exit");
    waitWhileDraftsVisible(function () {
        casper.click("body");
        casper.page.sendEvent("keypress", "x");
    });
});

casper.then(function () {
    casper.waitUntilVisible("#private-message", function () {
        casper.fill(
            "form#send_message_form",
            {
                content: "Test Private Message",
            },
            false
        );
        common.pm_recipient.set("cordelia@zulip.com");
    });
    casper.reload();
});

casper.then(function () {
    casper.test.info("Finished reloading; now opening drafts again");
    // Reloading into a narrow opens compose box automatically

    casper.waitUntilVisible("#compose_close", function () {
        casper.click("#compose_close");
    });
    casper.waitUntilVisible(".drafts-link", function () {
        casper.click(".drafts-link");
    });
});

casper.then(function () {
    casper.test.info("Checking drafts survived the reload");
    waitUntilDraftsVisible(function () {
        casper.test.assertElementCount(".draft-row", 2, "Drafts loaded");
        casper.test.assertSelectorHasText(
            ".draft-row .message_header_private_message .stream_label",
            "You and Cordelia Lear"
        );
        casper.test.assertTextExists("Test Private Message");
    });
});

casper.then(function () {
    casper.test.info("Deleting Draft after Sending Message");
    casper.click("#drafts_table .message_row.private-message .restore-draft");
    waitWhileDraftsVisible(function () {
        casper.test.assertVisible("#private-message");
        casper.click("#enter_sends");
        casper.waitUntilVisible("#compose-send-button", function () {
            casper.click("#compose-send-button");
        });
    });
});

casper.then(function () {
    // This tests the second drafts link in the compose area
    casper.waitUntilVisible(".compose_table .drafts-link", function () {
        casper.click(".compose_table .drafts-link");
    });
    waitUntilDraftsVisible(function () {
        casper.test.assertElementCount(".draft-row", 1, "Drafts loaded");
        casper.test.assertDoesntExist("#drafts_table .message_row.private-message");
    });
});

common.then_log_out();

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