$(function () {
    var base = document.getElementById("base-url").getAttribute("href").slice(0, -1);
    var favicon = document.querySelector('link[rel="icon"]');

    $(".rw .my-checks-name").click(function () {
        var code = $(this).closest("tr.checks-row").attr("id");
        var url = base + "/checks/" + code + "/name/";

        $("#update-name-form").attr("action", url);
        $("#update-name-input").val(this.dataset.name);
        $("#update-slug-input").val(this.dataset.slug);

        var tagsSelectize = document.getElementById("update-tags-input").selectize;
        tagsSelectize.setValue(this.dataset.tags.split(" "));

        $("#update-desc-input").val(this.dataset.desc);
        $("#update-name-modal").modal("show");
        $("#update-name-input").focus();

        return false;
    });

    $(".integrations").tooltip({
        container: "body",
        selector: "span",
        title: function () {
            var idx = $(this).index();
            return $("#ch-" + idx).data("title");
        },
    });

    $(".rw .integrations").on("click", "span", function () {
        var isOff = $(this).toggleClass("off").hasClass("off");
        var token = $("input[name=csrfmiddlewaretoken]").val();

        var idx = $(this).index();
        var checkCode = $(this).closest("tr.checks-row").attr("id");
        var channelCode = $("#ch-" + idx).data("code");

        var url =
            base + "/checks/" + checkCode + "/channels/" + channelCode + "/enabled";

        $.ajax({
            url: url,
            type: "post",
            headers: { "X-CSRFToken": token },
            data: { state: isOff ? "off" : "on" },
        });

        return false;
    });

    $(".last-ping").on("click", function () {
        if (this.innerText == "Never") {
            return false;
        }
        var code = $(this).closest("tr.checks-row").attr("id");
        var lastPingUrl = base + "/checks/" + code + "/last_ping/";
        loadPingDetails(lastPingUrl);

        var logUrl = base + "/checks/" + code + "/log/";
        $("#ping-details-log").attr("href", logUrl);

        return false;
    });

    $(".last-ping").tooltip({
        selector: ".label-confirmation",
        title: 'The word "confirm" was found in request body',
    });

    $("#my-checks-tags .btn").tooltip({
        title: function () {
            return this.getAttribute("data-tooltip");
        },
    });

    function statusMatch(el, statuses) {
        var statusClassList = el.querySelector(".status").classList;
        // Go through currently active status filters, and, for each,
        // check if the current check matches
        for (const status of statuses) {
            if (
                status == "started" &&
                el.querySelector(".spinner").classList.contains("started")
            ) {
                return true;
            }
            if (statusClassList.contains("ic-" + status)) {
                return true;
            }
        }
        return false;
    }

    function applyFilters() {
        var url = new URL(window.location.href);
        url.search = "";

        // Checked tags
        var checked = [];
        $("#my-checks-tags .checked").each(function (index, el) {
            checked.push(el.textContent);
            url.searchParams.append("tag", el.textContent);
        });

        // Search string
        var search = $("#search").val().toLowerCase();
        if (search) {
            url.searchParams.append("search", search);
        }

        // Status filters
        var statuses = [];
        $(".filter-btn:visible").each(function (index, el) {
            statuses.push(el.dataset.value);
            url.searchParams.append("status", el.dataset.value);
        });

        // Update hash
        if (window.history && window.history.replaceState) {
            window.history.replaceState({}, "", url.toString());
        }

        // Update sort links
        document.querySelectorAll("a[data-sort-value]").forEach((a) => {
            url.searchParams.set("sort", a.dataset.sortValue);
            a.setAttribute("href", url.toString());
        });

        if (checked.length == 0 && !search && statuses.length == 0) {
            // No checked tags, no search string, no status filters: show all
            $("#checks-table tr.checks-row").show();
            var numVisible = $("#checks-table tr.checks-row").length;
        } else {
            var numVisible = 0;
            function applySingle(index, element) {
                var nameData = element.querySelector(".my-checks-name").dataset;
                if (search) {
                    var parts = [nameData.name, nameData.slug, element.id];
                    var haystack = parts.join("\n").toLowerCase();
                    if (haystack.indexOf(search) == -1) {
                        $(element).hide();
                        return;
                    }
                }

                if (checked.length) {
                    var tags = nameData.tags.split(" ");
                    for (var i = 0, checkedTag; (checkedTag = checked[i]); i++) {
                        if (tags.indexOf(checkedTag) == -1) {
                            $(element).hide();
                            return;
                        }
                    }
                }

                if (statuses.length) {
                    if (!statusMatch(element, statuses)) {
                        $(element).hide();
                        return;
                    }
                }

                $(element).show();
                numVisible += 1;
            }

            // For each row, see if it needs to be shown or hidden
            $("#checks-table tr.checks-row").each(applySingle);
        }

        $("#checks-table").toggle(numVisible > 0);
        $("#no-checks").toggle(numVisible == 0);
    }

    // User clicks on tags: apply filters
    $("#my-checks-tags div").click(function () {
        $(this).toggleClass("checked");
        applyFilters();
    });

    // User changes the search string: apply filters
    $("#search").keyup(applyFilters);

    function switchUrlFormat(format) {
        var url = new URL(window.location.href);
        url.searchParams.delete("urls");
        url.searchParams.append("urls", format);
        window.location.href = url.toString();
        return false;
    }

    $("#to-uuid").click((e) => switchUrlFormat("uuid"));
    $("#to-slug").click((e) => switchUrlFormat("slug"));

    $(".show-log").click(function (e) {
        var code = $(this).closest("tr.checks-row").attr("id");
        var url = base + "/checks/" + code + "/details/";
        window.location = url;
        return false;
    });

    $(".pause").tooltip({
        title: "Pause this check?<br />Click again to confirm.",
        trigger: "manual",
        html: true,
    });

    $(".pause").click(function () {
        var btn = $(this);

        // First click: show a confirmation tooltip
        if (!btn.hasClass("confirm")) {
            btn.addClass("confirm").tooltip("show");
            return false;
        }

        // Second click: update UI and pause the check
        btn.removeClass("confirm").tooltip("hide");
        var code = btn.closest("tr.checks-row").attr("id");
        $("#" + code + " span.status").attr("class", "status ic-paused");

        var url = base + "/checks/" + code + "/pause/";
        var token = $("input[name=csrfmiddlewaretoken]").val();
        $.ajax({
            url: url,
            type: "post",
            headers: { "X-CSRFToken": token },
        });

        return false;
    });

    $(".pause").mouseleave(function () {
        $(this).removeClass("confirm").tooltip("hide");
    });

    $('[data-toggle="tooltip"]').tooltip({
        html: true,
        container: "body",
        title: function () {
            var cssClasses = this.getAttribute("class");
            if (cssClasses.indexOf("ic-new") > -1)
                return "New. Has never received a ping.";
            if (cssClasses.indexOf("ic-paused") > -1)
                return "Monitoring paused. Ping to resume.";

            if (cssClasses.indexOf("sort-name") > -1)
                return "Sort by name<br />(but failed always first)";

            if (cssClasses.indexOf("sort-last-ping") > -1)
                return "Sort by last ping<br />(but failed always first)";
        },
    });

    // Schedule refresh to run every 3s when tab is visible and user
    // is active, every 60s otherwise
    var lastStatus = {};
    var lastStarted = {};
    var lastPing = {};
    var statusUrl = $("#checks-table").data("status-url");
    function refreshStatus() {
        $.ajax({
            url: statusUrl,
            dataType: "json",
            timeout: 2000,
            success: function (data) {
                var statusChanged = false;
                for (var i = 0, el; (el = data.details[i]); i++) {
                    if (lastStatus[el.code] != el.status) {
                        lastStatus[el.code] = el.status;
                        $("#" + el.code + " span.status").attr(
                            "class",
                            "status ic-" + el.status,
                        );
                        statusChanged = true;
                    }

                    if (lastStarted[el.code] != el.started) {
                        lastStarted[el.code] = el.started;
                        $("#" + el.code + " .spinner").toggleClass(
                            "started",
                            el.started,
                        );
                        statusChanged = true;
                    }

                    if (lastPing[el.code] != el.last_ping) {
                        lastPing[el.code] = el.last_ping;
                        $("#" + el.code + " .last-ping").html(el.last_ping);
                    }
                }

                // If there were status updates and we have active status filters
                // then we need to reapply filters now:
                if (statusChanged && $(".filter-btn:visible").length) {
                    applyFilters();
                }

                $("#my-checks-tags > div.btn").each(function (a) {
                    tag = this.innerText;
                    this.setAttribute("data-tooltip", data.tags[tag][1]);
                    var status = data.tags[tag][0];
                    if (lastStatus[tag] != status) {
                        $(this).removeClass("up grace down").addClass(status);
                        lastStatus[tag] = status;
                    }
                });

                if (document.title != data.title) {
                    document.title = data.title;
                    var downPostfix = data.title.includes("down") ? "_down" : "";
                    favicon.href = `${base}/static/img/favicon${downPostfix}.svg`;
                }
            },
        });
    }

    // Schedule regular status updates:
    if (statusUrl) {
        adaptiveSetInterval(refreshStatus);
    }

    // Configure Selectize for entering tags
    function divToOption() {
        return { value: this.textContent };
    }

    $("#update-tags-input").selectize({
        create: true,
        createOnBlur: true,
        selectOnTab: false,
        delimiter: " ",
        labelField: "value",
        searchField: ["value"],
        hideSelected: true,
        highlight: false,
        options: $("#my-checks-tags div").map(divToOption).get(),
    });

    $(".my-checks-url").tooltip({ container: "body", title: "Click to copy" });
    $(".my-checks-url").click(function (e) {
        if (window.getSelection().toString()) {
            // do nothing, selection not empty
            return;
        }

        navigator.clipboard.writeText(this.textContent);
        $(".tooltip-inner").text("Copied!");
    });

    $("#check-filters button[title]").tooltip();

    $("#filters li a").click(function () {
        var v = this.dataset.value;
        $("#check-filters button[data-value=" + v + "]").toggle();
        applyFilters();
    });

    $(".filter-btn").click(function () {
        $(this).hide();
        applyFilters();
    });
});