/// #if !BROWSER
import {escapeHtml} from "../../util/escape";
import * as path from "path";
/// #endif
import {hideMessage, showMessage} from "../../dialog/message";
import {fetchGet, fetchPost} from "../../util/fetch";
import {Dialog} from "../../dialog";
import {addScript} from "../util/addScript";
import {isMobile} from "../../util/functions";
import {Constants} from "../../constants";
import {highlightRender} from "../render/highlightRender";
import {processRender} from "../util/processCode";
import {openByMobile, setStorageVal} from "../util/compatibility";
import {showFileInFolder} from "../../util/pathName";
import {isPaidUser} from "../../util/needSubscribe";

export const afterExport = (exportPath: string, msgId: string) => {
    /// #if !BROWSER
    showMessage(`${window.siyuan.languages.exported} ${escapeHtml(exportPath)}
<div class="fn__space"></div>
<button class="b3-button b3-button--white">${window.siyuan.languages.showInFolder}</button>`, 6000, "info", msgId);
    document.querySelector(`#message [data-id="${msgId}"] button`).addEventListener("click", () => {
        showFileInFolder(path.join(exportPath));
        hideMessage(msgId);
    });
    /// #endif
};

export const exportImage = (id: string) => {
    const exportDialog = new Dialog({
        title: window.siyuan.languages.exportAsImage,
        content: `<div class="b3-dialog__content" style="${isMobile() ? "padding:8px;" : ""};background-color: var(--b3-theme-background)">
    <div style="${isMobile() ? "padding: 16px;margin: 8px 0" : "padding: 48px;margin: 8px 0"};" class="export-img">
        <div class="protyle-wysiwyg${window.siyuan.config.editor.displayBookmarkIcon ? " protyle-wysiwyg--attr" : ""}"></div>
        <div class="export-img__watermark"></div>
    </div>
</div>
<div class="b3-dialog__action">
    <label class="fn__flex">
        ${window.siyuan.languages.exportPDF5}
        <span class="fn__space"></span>
        <input id="keepFold" class="b3-switch fn__flex-center" type="checkbox" ${window.siyuan.storage[Constants.LOCAL_EXPORTIMG].keepFold ? "checked" : ""}>
    </label>
    <label class="fn__flex" style="margin-left: 24px">
        ${window.siyuan.languages.export9}
        <span class="fn__space"></span>
        <input id="watermark" class="b3-switch fn__flex-center" type="checkbox" ${window.siyuan.storage[Constants.LOCAL_EXPORTIMG].watermark ? "checked" : ""}>
    </label>
    <span class="fn__flex-1"></span>
    <button disabled class="b3-button b3-button--cancel">${window.siyuan.languages.cancel}</button><div class="fn__space"></div>
    <button disabled class="b3-button b3-button--text">${window.siyuan.languages.confirm}</button>
</div>
 <div class="fn__loading"><img height="128px" width="128px" src="stage/loading-pure.svg"></div>`,
        width: isMobile() ? "92vw" : "990px",
        height: "70vh"
    });
    exportDialog.element.setAttribute("data-key", Constants.DIALOG_EXPORTIMAGE);
    const btnsElement = exportDialog.element.querySelectorAll(".b3-button");
    btnsElement[0].addEventListener("click", () => {
        exportDialog.destroy();
    });
    btnsElement[1].addEventListener("click", () => {
        const msgId = showMessage(window.siyuan.languages.exporting, 0);
        (exportDialog.element.querySelector(".b3-dialog__container") as HTMLElement).style.height = "";
        setStorageVal(Constants.LOCAL_EXPORTIMG, window.siyuan.storage[Constants.LOCAL_EXPORTIMG]);
        setTimeout(() => {
            addScript("/stage/protyle/js/html2canvas.min.js?v=1.4.1", "protyleHtml2canvas").then(() => {
                window.html2canvas(exportDialog.element.querySelector(".b3-dialog__content"), {useCORS: true}).then((canvas) => {
                    canvas.toBlob((blob: Blob) => {
                        const formData = new FormData();
                        formData.append("file", blob, btnsElement[1].getAttribute("data-title"));
                        formData.append("type", "image/png");
                        fetchPost("/api/export/exportAsFile", formData, (response) => {
                            openByMobile(response.data.file);
                        });
                        hideMessage(msgId);
                        exportDialog.destroy();
                    });
                });
            });
        }, Constants.TIMEOUT_LOAD);
    });
    const previewElement = exportDialog.element.querySelector(".protyle-wysiwyg") as HTMLElement;
    const foldElement = (exportDialog.element.querySelector("#keepFold") as HTMLInputElement);
    foldElement.addEventListener("change", () => {
        btnsElement[0].setAttribute("disabled", "disabled");
        btnsElement[1].setAttribute("disabled", "disabled");
        btnsElement[1].parentElement.insertAdjacentHTML("afterend", '<div class="fn__loading"><img height="128px" width="128px" src="stage/loading-pure.svg"></div>');
        window.siyuan.storage[Constants.LOCAL_EXPORTIMG].keepFold = foldElement.checked;
        fetchPost("/api/export/exportPreviewHTML", {
            id,
            keepFold: foldElement.checked,
            image: true,
        }, (response) => {
            refreshPreview(response);
        });
    });
    const watermarkElement = (exportDialog.element.querySelector("#watermark") as HTMLInputElement);
    watermarkElement.addEventListener("change", () => {
        window.siyuan.storage[Constants.LOCAL_EXPORTIMG].watermark = watermarkElement.checked;
        if (watermarkElement.checked && !isPaidUser()) {
            watermarkElement.checked = false;
            showMessage(window.siyuan.languages._kernel[214]);
        }
        updateWatermark();
    });
    const updateWatermark = () => {
        if (!isPaidUser()) {
            return;
        }
        const watermarkPreviewElement = exportDialog.element.querySelector(".export-img__watermark") as HTMLElement;
        watermarkPreviewElement.innerHTML = "";
        if (watermarkElement.checked) {
            if (window.siyuan.config.export.imageWatermarkDesc) {
                watermarkPreviewElement.innerHTML = window.siyuan.config.export.imageWatermarkDesc;
            } else if (window.siyuan.config.export.imageWatermarkStr) {
                if (window.siyuan.config.export.imageWatermarkStr.startsWith("http")) {
                    watermarkPreviewElement.setAttribute("style", `background-image: url(${window.siyuan.config.export.imageWatermarkStr});background-repeat: repeat;position: absolute;top: 0;left: 0;width: 100%;height: 100%;border-radius: var(--b3-border-radius-b);`);
                } else {
                    addScript("/stage/protyle/js/html2canvas.min.js?v=1.4.1", "protyleHtml2canvas").then(() => {
                        const width = Math.max(exportDialog.element.querySelector(".export-img").clientWidth / 3, 150);
                        watermarkPreviewElement.setAttribute("style", `width: ${width}px;height: ${width}px;display: flex;justify-content: center;align-items: center;color: var(--b3-border-color);font-size: 14px;`);
                        watermarkPreviewElement.innerHTML = `<div style="transform: rotate(-45deg)">${window.siyuan.config.export.imageWatermarkStr}</div>`;
                        window.html2canvas(watermarkPreviewElement, {
                            useCORS: true,
                            scale: 1,
                        }).then((canvas) => {
                            watermarkPreviewElement.innerHTML = "";
                            watermarkPreviewElement.setAttribute("style", `background-image: url(${canvas.toDataURL("image/png")});background-repeat: repeat;position: absolute;top: 0;left: 0;width: 100%;height: 100%;border-radius: var(--b3-border-radius-b);`);
                        });
                    });
                }
            }
        } else {
            watermarkPreviewElement.removeAttribute("style");
        }
    };
    const refreshPreview = (response: IWebSocketData) => {
        previewElement.innerHTML = response.data.content;
        // https://github.com/siyuan-note/siyuan/issues/9685
        previewElement.querySelectorAll('[data-type~="mark"], [data-type~="u"], [data-type~="text"], [data-type~="code"], [data-type~="tag"], [data-type~="kbd"]').forEach((markItem: HTMLElement) => {
            markItem.childNodes.forEach((item) => {
                let spanHTML = "";
                Array.from(item.textContent).forEach(str => {
                    spanHTML += `<span style="${markItem.getAttribute("style") || ""};border-radius: 0;padding-left: 0;padding-right: 0;box-shadow: none;border-left:0;border-right:0;border-top:0" data-type="${markItem.getAttribute("data-type")}">${str}</span>`;
                });
                const templateElement = document.createElement("template");
                templateElement.innerHTML = spanHTML;
                item.after(templateElement.content);
                item.remove();
            });
            if (markItem.childNodes.length > 0) {
                markItem.setAttribute("style", "");
                markItem.setAttribute("data-type", markItem.getAttribute("data-type").replace(/mark|u|text|code|tag|kbd/g, ""));
            }
        });
        previewElement.setAttribute("data-doc-type", response.data.type || "NodeDocument");
        if (response.data.attrs.memo) {
            previewElement.setAttribute("memo", response.data.attrs.memo);
        }
        if (response.data.attrs.name) {
            previewElement.setAttribute("name", response.data.attrs.name);
        }
        if (response.data.attrs.bookmark) {
            previewElement.setAttribute("bookmark", response.data.attrs.bookmark);
        }
        if (response.data.attrs.alias) {
            previewElement.setAttribute("alias", response.data.attrs.alias);
        }
        processRender(previewElement);
        highlightRender(previewElement);
        previewElement.querySelectorAll("table").forEach((item: HTMLElement) => {
            if (item.clientWidth > item.parentElement.clientWidth) {
                item.setAttribute("style", `margin-bottom:${item.parentElement.clientWidth * item.clientHeight / item.clientWidth - item.parentElement.clientHeight + 1}px;transform: scale(${item.parentElement.clientWidth / item.clientWidth});transform-origin: top left;`);
                item.parentElement.style.overflow = "hidden";
            }
        });
        previewElement.querySelectorAll(".li > .protyle-action > svg").forEach(item => {
            const id = item.firstElementChild.getAttribute("xlink:href");
            const symbolElements = document.querySelectorAll(id);
            let viewBox = "0 0 32 32";
            if (id === "#iconDot") {
                viewBox = "0 0 20 20";
            }
            item.setAttribute("viewBox", viewBox);
            item.innerHTML = symbolElements[symbolElements.length - 1].innerHTML;
        });
        previewElement.querySelectorAll(".img img").forEach((item: HTMLImageElement) => {
            if (item.src.endsWith(".svg")) {
                fetchGet(item.src, (response: string) => {
                    item.src = `data:image/svg+xml;base64,${btoa(unescape(encodeURIComponent(response)))}`;
                });
            }
        });
        updateWatermark();
        btnsElement[0].removeAttribute("disabled");
        btnsElement[1].removeAttribute("disabled");
        exportDialog.element.querySelector(".fn__loading").remove();
    };
    fetchPost("/api/export/exportPreviewHTML", {
        id,
        keepFold: foldElement.checked,
        image: true,
    }, (response) => {
        refreshPreview(response);
        btnsElement[1].setAttribute("data-title", response.data.name + ".png");
    });
};