import fs from "fs-extra";
import path from "path";

const DEST_DIR = "./dist";
const DEST_DIR_SRC = path.join(DEST_DIR, "src");
const DEST_DIR_NODE_MODULES = path.join(DEST_DIR, "node_modules");

const VERBOSE = process.env.VERBOSE;

function log(...args) {
    if (VERBOSE) {
        console.log(args);
    }
}

async function copyNodeModuleFileOrFolder(source: string) {
    const adjustedSource = source.substring(13);
    const destination = path.join(DEST_DIR_NODE_MODULES, adjustedSource);

    log(`Copying ${source} to ${destination}`);
    await fs.ensureDir(path.dirname(destination));
    await fs.copy(source, destination);
}

const copy = async () => {
    for (const srcFile of fs.readdirSync("build")) {
        const destFile = path.join(DEST_DIR, path.basename(srcFile));
        log(`Copying source ${srcFile} -> ${destFile}.`);
        fs.copySync(path.join("build", srcFile), destFile, { recursive: true });
    }

    const filesToCopy = ["config-sample.ini", "tsconfig.webpack.json"];
    for (const file of filesToCopy) {
        log(`Copying ${file}`);
        await fs.copy(file, path.join(DEST_DIR, file));
    }

    const dirsToCopy = ["images", "libraries", "translations", "db"];
    for (const dir of dirsToCopy) {
        log(`Copying ${dir}`);
        await fs.copy(dir, path.join(DEST_DIR, dir));
    }

    const srcDirsToCopy = ["./src/public", "./src/views", "./build"];
    for (const dir of srcDirsToCopy) {
        log(`Copying ${dir}`);
        await fs.copy(dir, path.join(DEST_DIR_SRC, path.basename(dir)));
    }

    /**
     * Directories to be copied relative to the project root into <resource_dir>/src/public/app-dist.
     */
    const publicDirsToCopy = ["./src/public/app/doc_notes"];
    const PUBLIC_DIR = path.join(DEST_DIR, "src", "public", "app-dist");
    for (const dir of publicDirsToCopy) {
        await fs.copy(dir, path.join(PUBLIC_DIR, path.basename(dir)));
    }

    const nodeModulesFile = [
        "node_modules/react/umd/react.production.min.js",
        "node_modules/react/umd/react.development.js",
        "node_modules/react-dom/umd/react-dom.production.min.js",
        "node_modules/react-dom/umd/react-dom.development.js",
        "node_modules/katex/dist/katex.min.js",
        "node_modules/katex/dist/contrib/mhchem.min.js",
        "node_modules/katex/dist/contrib/auto-render.min.js",
        "node_modules/@highlightjs/cdn-assets/highlight.min.js",
        "node_modules/@mind-elixir/node-menu/dist/node-menu.umd.cjs"
    ];

    for (const file of nodeModulesFile) {
        await copyNodeModuleFileOrFolder(file);
    }

    const nodeModulesFolder = [
        "node_modules/@excalidraw/excalidraw/dist/",
        "node_modules/katex/dist/",
        "node_modules/dayjs/",
        "node_modules/boxicons/css/",
        "node_modules/boxicons/fonts/",
        "node_modules/mermaid/dist/",
        "node_modules/jquery/dist/",
        "node_modules/jquery-hotkeys/",
        "node_modules/print-this/",
        "node_modules/split.js/dist/",
        "node_modules/panzoom/dist/",
        "node_modules/i18next/",
        "node_modules/i18next-http-backend/",
        "node_modules/jsplumb/dist/",
        "node_modules/vanilla-js-wheel-zoom/dist/",
        "node_modules/mark.js/dist/",
        "node_modules/normalize.css/",
        "node_modules/jquery.fancytree/dist/",
        "node_modules/bootstrap/dist/",
        "node_modules/autocomplete.js/dist/",
        "node_modules/codemirror/lib/",
        "node_modules/codemirror/addon/",
        "node_modules/codemirror/mode/",
        "node_modules/codemirror/keymap/",
        "node_modules/mind-elixir/dist/",
        "node_modules/@highlightjs/cdn-assets/languages",
        "node_modules/@highlightjs/cdn-assets/styles",
        "node_modules/leaflet/dist"
    ];

    for (const folder of nodeModulesFolder) {
        await copyNodeModuleFileOrFolder(folder);
    }
};

copy()
    .then(() => console.log("Copying complete!"))
    .catch((err) => console.error("Error during copy:", err));
