define(["globalize", "dom", "dialogHelper", "emby-checkbox", "emby-select", "emby-input"], function (globalize, dom, dialogHelper) {
    "use strict";

    function getDefaultImageConfig(itemType, type) {
        return {
            Type: type,
            MinWidth: 0,
            Limit: "Primary" === type ? 1 : 0
        };
    }

    function findImageOptions(imageOptions, type) {
        return imageOptions.filter(function (i) {
            return i.Type == type;
        })[0];
    }

    function getImageConfig(options, availableOptions, imageType, itemType) {
        return findImageOptions(options.ImageOptions || [], imageType) || findImageOptions(availableOptions.DefaultImageOptions || [], imageType) || getDefaultImageConfig(itemType, imageType);
    }

    function setVisibilityOfBackdrops(elem, visible) {
        if (visible) {
            elem.classList.remove("hide");
            elem.querySelector("input").setAttribute("required", "required");
        } else {
            elem.classList.add("hide");
            elem.querySelector("input").setAttribute("required", "");
            elem.querySelector("input").removeAttribute("required");
        }
    }

    function loadValues(context, itemType, options, availableOptions) {
        var supportedImageTypes = availableOptions.SupportedImageTypes || [];
        setVisibilityOfBackdrops(context.querySelector(".backdropFields"), -1 != supportedImageTypes.indexOf("Backdrop"));
        setVisibilityOfBackdrops(context.querySelector(".screenshotFields"), -1 != supportedImageTypes.indexOf("Screenshot"));
        Array.prototype.forEach.call(context.querySelectorAll(".imageType"), function (i) {
            var imageType = i.getAttribute("data-imagetype");
            var container = dom.parentWithTag(i, "LABEL");

            if (-1 == supportedImageTypes.indexOf(imageType)) {
                container.classList.add("hide");
            } else {
                container.classList.remove("hide");
            }

            if (getImageConfig(options, availableOptions, imageType, itemType).Limit) {
                i.checked = true;
            } else {
                i.checked = false;
            }
        });
        var backdropConfig = getImageConfig(options, availableOptions, "Backdrop", itemType);
        context.querySelector("#txtMaxBackdrops").value = backdropConfig.Limit;
        context.querySelector("#txtMinBackdropDownloadWidth").value = backdropConfig.MinWidth;
        var screenshotConfig = getImageConfig(options, availableOptions, "Screenshot", itemType);
        context.querySelector("#txtMaxScreenshots").value = screenshotConfig.Limit;
        context.querySelector("#txtMinScreenshotDownloadWidth").value = screenshotConfig.MinWidth;
    }

    function saveValues(context, options) {
        options.ImageOptions = Array.prototype.map.call(context.querySelectorAll(".imageType:not(.hide)"), function (c) {
            return {
                Type: c.getAttribute("data-imagetype"),
                Limit: c.checked ? 1 : 0,
                MinWidth: 0
            };
        });
        options.ImageOptions.push({
            Type: "Backdrop",
            Limit: context.querySelector("#txtMaxBackdrops").value,
            MinWidth: context.querySelector("#txtMinBackdropDownloadWidth").value
        });
        options.ImageOptions.push({
            Type: "Screenshot",
            Limit: context.querySelector("#txtMaxScreenshots").value,
            MinWidth: context.querySelector("#txtMinScreenshotDownloadWidth").value
        });
    }

    function editor() {
        this.show = function (itemType, options, availableOptions) {
            return new Promise(function (resolve, reject) {
                var xhr = new XMLHttpRequest();
                xhr.open("GET", "components/imageoptionseditor/imageoptionseditor.template.html", true);

                xhr.onload = function (e) {
                    var template = this.response;
                    var dlg = dialogHelper.createDialog({
                        size: "medium-tall",
                        removeOnClose: true,
                        scrollY: false
                    });
                    dlg.classList.add("formDialog");
                    dlg.innerHTML = globalize.translateDocument(template);
                    dlg.addEventListener("close", function () {
                        saveValues(dlg, options);
                    });
                    loadValues(dlg, itemType, options, availableOptions);
                    dialogHelper.open(dlg).then(resolve, resolve);
                    dlg.querySelector(".btnCancel").addEventListener("click", function () {
                        dialogHelper.close(dlg);
                    });
                };

                xhr.send();
            });
        };
    }

    return editor;
});