import { spawnSync } from "node:child_process";
import { createHash } from "node:crypto";
import fs from "node:fs";
import path from "node:path";
import process from "node:process";
import AdmZip from "adm-zip";
import packager from "@electron/packager";

const root = process.cwd();
const packageJson = JSON.parse(fs.readFileSync(path.join(root, "package.json"), "utf8"));
const version = packageJson.version;
const releaseRoot = path.resolve(root, "release");
const productFolderName = `RPA-Studio-${version}-win-x64`;
const productFolder = path.join(releaseRoot, productFolderName);
const zipPath = path.join(releaseRoot, `${productFolderName}.zip`);
const setupPath = path.join(releaseRoot, `RPA-Studio-Setup-${version}-win-x64.exe`);
const installerPayload = path.join(releaseRoot, ".installer-payload");
const installerSed = path.join(releaseRoot, ".installer.sed");

function assertInsideRelease(target) {
  const relative = path.relative(releaseRoot, path.resolve(target));
  if (!relative || relative.startsWith("..") || path.isAbsolute(relative)) {
    throw new Error(`拒绝操作 release 目录外路径：${target}`);
  }
}

function run(command, args) {
  const result = spawnSync(command, args, { cwd: root, stdio: "inherit", shell: process.platform === "win32" });
  if (result.status !== 0) throw new Error(`${command} ${args.join(" ")} 失败，退出码 ${result.status}`);
}

fs.mkdirSync(releaseRoot, { recursive: true });
for (const target of [productFolder, zipPath, setupPath, installerPayload, installerSed]) {
  assertInsideRelease(target);
  fs.rmSync(target, { recursive: true, force: true });
}

console.log("[package] typecheck");
run("npm", ["run", "typecheck"]);
console.log("[package] tests");
run("npm", ["test"]);
console.log("[package] browser e2e");
run("npm", ["run", "test:e2e"]);
console.log("[package] build");
run("npm", ["run", "build"]);

console.log("[package] electron packager");
const outputs = await packager({
  dir: root,
  name: "RPA Studio",
  platform: "win32",
  arch: "x64",
  out: releaseRoot,
  overwrite: true,
  prune: true,
  asar: true,
  electronVersion: packageJson.devDependencies.electron,
  appVersion: version,
  win32metadata: {
    CompanyName: "RPA Studio",
    FileDescription: "RPA Studio Desktop Automation",
    ProductName: "RPA Studio",
    InternalName: "RPA Studio"
  },
  ignore: [
    /^[/\\]\.git($|[/\\])/,
    /^[/\\]release($|[/\\])/,
    /^[/\\]_analysis($|[/\\])/,
    /^[/\\]docs($|[/\\])/,
    /^[/\\]scripts($|[/\\])/,
    /^[/\\]src($|[/\\])/,
    /\.test\.[cm]?[jt]sx?$/
  ]
});

const packaged = outputs[0];
if (!packaged || !fs.existsSync(path.join(packaged, "RPA Studio.exe"))) {
  throw new Error(`打包产物无效：${packaged || "未返回目录"}`);
}
if (path.resolve(packaged) !== path.resolve(productFolder)) {
  assertInsideRelease(packaged);
  fs.renameSync(packaged, productFolder);
}

const git = spawnSync("git", ["rev-parse", "--short", "HEAD"], { cwd: root, encoding: "utf8" });
const revision = git.status === 0 ? git.stdout.trim() : "unknown";
const builtAt = new Date().toISOString();
fs.writeFileSync(path.join(productFolder, "version.json"), JSON.stringify({
  product: "RPA Studio",
  version,
  revision,
  builtAt,
  platform: "win32-x64",
  electron: packageJson.devDependencies.electron,
  distribution: "portable"
}, null, 2));
fs.writeFileSync(path.join(productFolder, "使用说明.txt"), [
  "RPA Studio Windows x64 免安装版",
  "",
  "1. 将整个文件夹解压到普通本地目录。",
  "2. 双击 RPA Studio.exe 启动。",
  "3. 任务、流程和运行记录默认保存在当前 Windows 用户的 AppData\\Roaming\\rpa-studio。",
  "4. Word 自动化需要本机安装 Microsoft Word；其他文件级能力无需安装 Office。",
  "5. 首次启动如被 Windows SmartScreen 提示，请核对同目录 SHA256SUMS.txt；当前构建未进行商业代码签名。",
  "6. 如果双击没有窗口，请运行 启动诊断.cmd，并把自动打开的 startup.log 发给开发人员。",
  "",
  `版本：${version}`,
  `源码提交：${revision}`,
  `构建时间：${builtAt}`
].join("\r\n"), "utf8");
fs.writeFileSync(path.join(productFolder, "系统要求.txt"), [
  "RPA Studio 系统要求",
  "",
  "- Windows 10 64 位或 Windows 11 64 位",
  "- 建议至少 4 GB 内存和 500 MB 可用磁盘空间",
  "- 必须先完整解压，不能直接在 ZIP 压缩包中双击 exe",
  "- Word 自动化需要本机安装 Microsoft Word",
  "- 当前版本未购买商业代码签名证书，SmartScreen 可能显示未知发布者",
  "- 软件默认关闭 GPU 硬件加速，以兼容远程桌面、虚拟机和旧显卡驱动"
].join("\r\n"), "utf8");
fs.writeFileSync(path.join(productFolder, "启动诊断.cmd"), [
  "@echo off",
  "chcp 65001 >nul",
  "set ELECTRON_ENABLE_LOGGING=1",
  "set LOG=%APPDATA%\\rpa-studio\\logs\\startup.log",
  "start \"RPA Studio\" \"%~dp0RPA Studio.exe\" --enable-logging --v=1",
  "timeout /t 8 /nobreak >nul",
  "if exist \"%LOG%\" (start notepad.exe \"%LOG%\") else (echo 未生成启动日志，请检查安全软件拦截记录。 & pause)"
].join("\r\n"), "utf8");
fs.writeFileSync(path.join(productFolder, "安装到本机.cmd"), [
  "@echo off",
  "chcp 65001 >nul",
  "set \"TARGET=%LOCALAPPDATA%\\Programs\\RPA Studio\"",
  "if not exist \"%TARGET%\" mkdir \"%TARGET%\"",
  "robocopy \"%~dp0\" \"%TARGET%\" /E /R:2 /W:1 /NFL /NDL /NJH /NJS /NP >nul",
  "powershell -NoProfile -ExecutionPolicy Bypass -Command \"$w=New-Object -ComObject WScript.Shell;$s=$w.CreateShortcut([IO.Path]::Combine([Environment]::GetFolderPath('Desktop'),'RPA Studio.lnk'));$s.TargetPath=[IO.Path]::Combine($env:LOCALAPPDATA,'Programs','RPA Studio','RPA Studio.exe');$s.WorkingDirectory=[IO.Path]::Combine($env:LOCALAPPDATA,'Programs','RPA Studio');$s.Save()\"",
  "start \"RPA Studio\" \"%TARGET%\\RPA Studio.exe\"",
  "exit /b 0"
].join("\r\n"), "utf8");

console.log("[package] zip");
const zip = new AdmZip();
zip.addLocalFolder(productFolder, productFolderName);
zip.writeZip(zipPath);
const zipSha256 = createHash("sha256").update(fs.readFileSync(zipPath)).digest("hex");

let setupSha256 = "";
const iexpress = path.join(process.env.SystemRoot || "C:/Windows", "System32", "iexpress.exe");
if (!fs.existsSync(iexpress)) throw new Error(`找不到 Windows IExpress：${iexpress}`);
console.log("[package] setup iexpress");
fs.mkdirSync(installerPayload, { recursive: true });
fs.copyFileSync(zipPath, path.join(installerPayload, "payload.zip"));
fs.writeFileSync(path.join(installerPayload, "install.cmd"), [
  "@echo off",
  "chcp 65001 >nul",
  "set \"TARGET=%LOCALAPPDATA%\\Programs\\RPA Studio\"",
  "set \"STAGE=%TEMP%\\RPA-Studio-Install-%RANDOM%\"",
  "powershell -NoProfile -ExecutionPolicy Bypass -Command \"Expand-Archive -LiteralPath '%~dp0payload.zip' -DestinationPath '%STAGE%' -Force\"",
  `robocopy "%STAGE%\\${productFolderName}" "%TARGET%" /E /R:2 /W:1 /NFL /NDL /NJH /NJS /NP >nul`,
  "powershell -NoProfile -ExecutionPolicy Bypass -Command \"$w=New-Object -ComObject WScript.Shell;$s=$w.CreateShortcut([IO.Path]::Combine([Environment]::GetFolderPath('Desktop'),'RPA Studio.lnk'));$s.TargetPath=[IO.Path]::Combine($env:LOCALAPPDATA,'Programs','RPA Studio','RPA Studio.exe');$s.WorkingDirectory=[IO.Path]::Combine($env:LOCALAPPDATA,'Programs','RPA Studio');$s.Save()\"",
  "start \"RPA Studio\" \"%TARGET%\\RPA Studio.exe\"",
  "rmdir /s /q \"%STAGE%\"",
  "exit /b 0"
].join("\r\n"), "utf8");
const sourceDir = `${installerPayload.replace(/\//g, "\\")}\\`;
fs.writeFileSync(installerSed, [
  "[Version]", "Class=IEXPRESS", "SEDVersion=3", "[Options]", "PackagePurpose=InstallApp", "ShowInstallProgramWindow=1",
  "HideExtractAnimation=0", "UseLongFileName=1", "InsideCompressed=0", "CAB_FixedSize=0", "CAB_ResvCodeSigning=0",
  "RebootMode=N", "InstallPrompt=%InstallPrompt%", "DisplayLicense=", "FinishMessage=%FinishMessage%",
  `TargetName=${setupPath}`, `FriendlyName=RPA Studio ${version}`, "AppLaunched=install.cmd", "PostInstallCmd=<None>",
  "AdminQuietInstCmd=install.cmd", "UserQuietInstCmd=install.cmd", "SourceFiles=SourceFiles", "[Strings]",
  `InstallPrompt=Install RPA Studio ${version} for the current Windows user?`, "FinishMessage=RPA Studio installation completed.",
  "FILE0=payload.zip", "FILE1=install.cmd", "[SourceFiles]", `SourceFiles0=${sourceDir}`, "[SourceFiles0]", "%FILE0%=", "%FILE1%=", ""
].join("\r\n"), "utf8");
const builtSetup = spawnSync(iexpress, ["/N", installerSed], { cwd: releaseRoot, stdio: "inherit", windowsHide: true });
if (builtSetup.status !== 0 || !fs.existsSync(setupPath)) throw new Error(`IExpress 安装包生成失败，退出码 ${builtSetup.status}`);
setupSha256 = createHash("sha256").update(fs.readFileSync(setupPath)).digest("hex");
fs.rmSync(installerPayload, { recursive: true, force: true });
fs.rmSync(installerSed, { force: true });
const sums = [`${zipSha256}  ${path.basename(zipPath)}`];
if (setupSha256) sums.push(`${setupSha256}  ${path.basename(setupPath)}`);
fs.writeFileSync(path.join(releaseRoot, "SHA256SUMS.txt"), `${sums.join("\r\n")}\r\n`, "utf8");

console.log(JSON.stringify({ productFolder, zipPath, setupPath: setupSha256 ? setupPath : null, zipSha256, setupSha256: setupSha256 || null }, null, 2));