#!/usr/bin/env node
"use strict";

/**
 * Electron sandbox preloads cannot require() sibling modules. Bundle shellOrigin
 * into a single preload script for packaged AppImage / desktop builds.
 */

const fs = require("fs");
const path = require("path");

const root = path.join(__dirname, "..");
const shellPath = path.join(root, "electron", "shellOrigin.js");
const preloadPath = path.join(root, "electron", "preload.js");
const outPath = path.join(root, "electron", "preload.bundle.js");

const shellSource = fs.readFileSync(shellPath, "utf8");
const preloadSource = fs.readFileSync(preloadPath, "utf8");

const shellBody = (() => {
    let body = shellSource.replace(/^"use strict";\s*/m, "");
    const preloadOnlyCut = body.indexOf("/**\n * Whether window.open should create");
    if (preloadOnlyCut >= 0) {
        return body.slice(0, preloadOnlyCut).trim();
    }
    return body.replace(/\nmodule\.exports\s*=\s*\{[\s\S]*$/m, "").trim();
})();

const preloadBody = preloadSource
    .replace(/const \{ isTrustedShellOrigin \} = require\("\.\/shellOrigin"\);\s*/m, "")
    .trim();

const bundled = `// SPDX-License-Identifier: 0BSD
// Generated by scripts/bundle-electron-preload.cjs. Do not edit by hand.

"use strict";

${shellBody}

${preloadBody}
`;

fs.writeFileSync(outPath, bundled, "utf8");
console.log(`Bundled electron preload -> ${path.relative(root, outPath)}`);