import {Dialog} from "../dialog";
import {fetchPost} from "../util/fetch";
import {isMobile} from "../util/functions";
import {Protyle} from "../protyle";
import {Constants} from "../constants";
import {disabledProtyle, onGet} from "../protyle/util/onGet";
import {hasClosestByClassName} from "../protyle/util/hasClosest";
import {hideElements} from "../protyle/ui/hideElements";
import {needSubscribe} from "../util/needSubscribe";

export const openCard = () => {
    const exit = window.siyuan.dialogs.find(item => {
        if (item.element.getAttribute("data-key") === window.siyuan.config.keymap.general.riffCard.custom) {
            item.destroy();
            return true;
        }
    });
    if (exit) {
        return;
    }
    let decksHTML = '<option value="">All</option>';
    fetchPost("/api/riff/getRiffDecks", {}, (response) => {
        response.data.forEach((deck: { id: string, name: string }) => {
            decksHTML += `<option value="${deck.id}">${deck.name}</option>`;
        });
        fetchPost("/api/riff/getRiffDueCards", {deckID: ""}, (cardsResponse) => {
            openCardByData(cardsResponse.data, `<select class="b3-select">${decksHTML}</select>`);
        });
    });
};

export const openCardByData = (cardsData: ICard[], html = "") => {
    let blocks = cardsData;
    let index = 0;
    if (blocks.length > 0) {
        html += `<div class="fn__flex" style="align-items: center" data-type="count">
    <span class="fn__space"></span>
    <div class="ft__on-surface ft__smaller"><span>1</span>/<span>${blocks.length}</span></div>
</div>`;
    }
    const dialog = new Dialog({
        content: `<div class="fn__flex-column" style="box-sizing: border-box;max-height: 100%">
    <div class="fn__flex b3-form__space--small">
        <span class="fn__flex-1 fn__flex-center">${window.siyuan.languages.riffCard}</span>
        ${html}
    </div>
    <div class="card__block fn__flex-1${blocks.length === 0 ? " fn__none" : ""}${window.siyuan.config.flashcard.mark ? " card__block--hidemark" : ""}${window.siyuan.config.flashcard.superBlock ? " card__block--hidesb" : ""}${window.siyuan.config.flashcard.list ? " card__block--hideli" : ""}" data-type="render"></div>
    <div class="card__empty${blocks.length === 0 ? "" : " fn__none"}" data-type="empty">
        <div>🔮</div>
        ${window.siyuan.languages.noDueCard}
    </div>
    <div class="fn__flex card__action${blocks.length === 0 ? " fn__none" : ""}">
        <button class="b3-button b3-button--cancel" disabled="disabled" data-type="-2" style="width: 25%;min-width: 86px;display: flex">
            <svg><use xlink:href="#iconLeft"></use></svg>
            (p)
        </button>
        <span class="fn__space"></span>
        <button data-type="-1" class="b3-button fn__flex-1">${window.siyuan.languages.cardShowAnswer} (${window.siyuan.languages.space})</button>
    </div>
    <div class="fn__flex card__action fn__none">
        <div>
            <span>${window.siyuan.languages.reboot}</span>
            <button data-type="-3" aria-label="0" class="b3-button b3-button--cancel b3-tooltips__s b3-tooltips">
                <div>💤</div>
                ${window.siyuan.languages.skip} (0)
            </button>
        </div>
        <div>
            <span></span>
            <button data-type="0" aria-label="1 / j" class="b3-button b3-button--error b3-tooltips__s b3-tooltips">
                <div>🙈</div>
                ${window.siyuan.languages.cardRatingAgain} (1)
            </button>
        </div>
        <div>
            <span></span>
            <button data-type="1" aria-label="2 / k" class="b3-button b3-button--warning b3-tooltips__s b3-tooltips">
                <div>😬</div>
                ${window.siyuan.languages.cardRatingHard} (2)
            </button>
        </div>
        <div>
            <span></span>
            <button data-type="2" aria-label="3 / l" class="b3-button b3-button--info b3-tooltips__s b3-tooltips">
                <div>😊</div>
                ${window.siyuan.languages.cardRatingGood} (3)
            </button>
        </div>
        <div>
            <span></span>
            <button data-type="3" aria-label="4 / ;" class="b3-button b3-button--success b3-tooltips__s b3-tooltips">
                <div>🌈</div>
                ${window.siyuan.languages.cardRatingEasy} (4)
            </button>
        </div>
    </div>
</div>`,
        width: isMobile() ? "98vw" : "80vw",
        height: isMobile() ? "80vh" : "70vh",
    });
    (dialog.element.querySelector(".b3-dialog__scrim") as HTMLElement).style.backgroundColor = "var(--b3-theme-background)";
    (dialog.element.querySelector(".b3-dialog__container") as HTMLElement).style.maxWidth = "1024px";
    const editor = new Protyle(dialog.element.querySelector("[data-type='render']") as HTMLElement, {
        blockId: "",
        action: [Constants.CB_GET_ALL],
        render: {
            background: false,
            title: false,
            gutter: true,
            breadcrumbDocName: true,
        },
        typewriterMode: false
    });
    if (window.siyuan.config.editor.readOnly) {
        disabledProtyle(editor.protyle);
    }
    if (blocks.length > 0) {
        fetchPost("/api/filetree/getDoc", {
            id: blocks[index].blockID,
            mode: 0,
            size: Constants.SIZE_GET_MAX
        }, (response) => {
            onGet(response, editor.protyle, [Constants.CB_GET_ALL, Constants.CB_GET_HTML]);
        });
    }
    (dialog.element.firstElementChild as HTMLElement).style.zIndex = "200";
    dialog.element.setAttribute("data-key", window.siyuan.config.keymap.general.riffCard.custom);
    const countElement = dialog.element.querySelector('[data-type="count"]');
    const actionElements = dialog.element.querySelectorAll(".card__action");
    const selectElement = dialog.element.querySelector("select");
    const titleElement = countElement.previousElementSibling;
    dialog.element.addEventListener("click", (event) => {
        let type = "";
        if (typeof event.detail === "string") {
            if (event.detail === "1" || event.detail === "j") {
                type = "0";
            } else if (event.detail === "2" || event.detail === "k") {
                type = "1";
            } else if (event.detail === "3" || event.detail === "l") {
                type = "2";
            } else if (event.detail === "4" || event.detail === ";") {
                type = "3";
            } else if (event.detail === " ") {
                type = "-1";
            } else if (event.detail === "p") {
                type = "-2";
            } else if (event.detail === "0") {
                type = "-3";
            }
        }
        if (!type) {
            const buttonElement = hasClosestByClassName(event.target as HTMLElement, "b3-button");
            if (buttonElement) {
                type = buttonElement.getAttribute("data-type");
            }
        }
        if (!type || !blocks[index]) {
            return;
        }
        event.preventDefault();
        event.stopPropagation();
        hideElements(["toolbar", "hint", "util"], editor.protyle);
        if (type === "-1") {    // 显示答案
            if (actionElements[0].classList.contains("fn__none")) {
                return;
            }
            editor.protyle.element.classList.remove("card__block--hidemark", "card__block--hideli", "card__block--hidesb");
            actionElements[0].classList.add("fn__none");
            actionElements[1].querySelectorAll(".b3-button").forEach((element, btnIndex) => {
                if (btnIndex !== 0) {
                    element.previousElementSibling.textContent = blocks[index].nextDues[btnIndex - 1];
                }
            });
            actionElements[1].classList.remove("fn__none");
            return;
        }
        if (type === "-2") {    // 上一步
            if (actionElements[0].classList.contains("fn__none")) {
                return;
            }
            if (index > 0) {
                index--;
                nextCard({
                    countElement,
                    editor,
                    actionElements,
                    index,
                    blocks
                });
            }
            return;
        }
        if (["0", "1", "2", "3", "-3"].includes(type) && actionElements[0].classList.contains("fn__none")) {
            fetchPost(type === "-3" ? "/api/riff/skipReviewRiffCard" : "/api/riff/reviewRiffCard", {
                deckID: blocks[index].deckID,
                cardID: blocks[index].cardID,
                rating: parseInt(type),
                reviewedCards: blocks
            }, () => {
                /// #if MOBILE
                if (type !== "-3" &&
                    (0 !== window.siyuan.config.sync.provider || (0 === window.siyuan.config.sync.provider && !needSubscribe(""))) &&
                    window.siyuan.config.repo.key && window.siyuan.config.sync.enabled) {
                    document.getElementById("toolbarSync").classList.remove("fn__none");
                }
                /// #endif
                index++;
                if (index > blocks.length - 1) {
                    fetchPost(selectElement ? "/api/riff/getRiffDueCards" :
                        (titleElement.getAttribute("data-id") ? "/api/riff/getTreeRiffDueCards" : "/api/riff/getNotebookRiffDueCards"), {
                        rootID: titleElement.getAttribute("data-id"),
                        deckID: selectElement?.value,
                        notebook: titleElement.getAttribute("data-notebookid"),
                        reviewedCards: blocks
                    }, (treeCards) => {
                        index = 0;
                        blocks = treeCards.data;
                        if (treeCards.data.length === 0) {
                            allDone(countElement, editor, actionElements);
                        } else {
                            nextCard({
                                countElement,
                                editor,
                                actionElements,
                                index,
                                blocks
                            });
                        }
                    });
                    return;
                }
                nextCard({
                    countElement,
                    editor,
                    actionElements,
                    index,
                    blocks
                });
            });
        }
    });
    if (!selectElement) {
        return;
    }
    selectElement.addEventListener("change", () => {
        fetchPost("/api/riff/getRiffDueCards", {deckID: selectElement.value}, (cardsChangeResponse) => {
            blocks = cardsChangeResponse.data;
            index = 0;
            if (blocks.length > 0) {
                nextCard({
                    countElement,
                    editor,
                    actionElements,
                    index,
                    blocks
                });
            } else {
                allDone(countElement, editor, actionElements);
            }
        });
    });
};

const nextCard = (options: {
    countElement: Element, editor: Protyle, actionElements: NodeListOf<Element>, index: number, blocks: ICard[]
}) => {
    options.editor.protyle.element.classList.add("card__block--hide");
    if (window.siyuan.config.flashcard.superBlock) {
        options.editor.protyle.element.classList.add("card__block--hidesb");
    }
    if (window.siyuan.config.flashcard.list) {
        options.editor.protyle.element.classList.add("card__block--hideli");
    }
    if (window.siyuan.config.flashcard.mark) {
        options.editor.protyle.element.classList.add("card__block--hidemark");
    }
    options.actionElements[0].classList.remove("fn__none");
    options.actionElements[1].classList.add("fn__none");
    options.editor.protyle.element.classList.remove("fn__none");
    options.editor.protyle.element.nextElementSibling.classList.add("fn__none");
    options.countElement.lastElementChild.innerHTML = `<span>${options.index + 1}</span>/${options.blocks.length}`;
    options.countElement.classList.remove("fn__none");
    if (options.index === 0) {
        options.actionElements[0].firstElementChild.setAttribute("disabled", "disabled");
    } else {
        options.actionElements[0].firstElementChild.removeAttribute("disabled");
    }
    fetchPost("/api/filetree/getDoc", {
        id: options.blocks[options.index].blockID,
        mode: 0,
        size: Constants.SIZE_GET_MAX
    }, (response) => {
        onGet(response, options.editor.protyle, [Constants.CB_GET_ALL, Constants.CB_GET_HTML]);
    });
};

const allDone = (countElement: Element, editor: Protyle, actionElements: NodeListOf<Element>) => {
    countElement.classList.add("fn__none");
    editor.protyle.element.classList.add("fn__none");
    editor.protyle.element.nextElementSibling.classList.remove("fn__none");
    actionElements[0].classList.add("fn__none");
    actionElements[1].classList.add("fn__none");
};