import { copyFile, mkdir, readFile } from "node:fs/promises";
import { spawn } from "node:child_process";
import { dirname, join, resolve } from "node:path";
import { fileURLToPath } from "node:url";
import { createDesktopCompanionInclude } from "../packages/font-pack-builder/dist/index.js";

const repositoryRoot = resolve(dirname(fileURLToPath(import.meta.url)), "..");
const desktopRoot = join(repositoryRoot, "apps", "desktop");
const desktopManifest = JSON.parse(
  await readFile(join(desktopRoot, "package.json"), "utf8")
);
const fontInstallerName =
  "md-to-pdf-font-pack-mdtp-serif-sc-1.0.0-x86_64-Setup.exe";
const fontInstallerPath = join(
  repositoryRoot,
  "output",
  "font-packs",
  "windows",
  fontInstallerName
);
const generatedInclude = join(
  repositoryRoot,
  "output",
  "font-packs",
  "desktop-companion.nsh"
);

await createDesktopCompanionInclude({
  installerPath: fontInstallerPath,
  baseIncludePath: join(desktopRoot, "build", "installer.nsh"),
  outputPath: generatedInclude,
  displayName: "MdTP 中文宋体兼容包 1.0.0"
});

const npmCli =
  process.env.npm_execpath ||
  join(dirname(process.execPath), "node_modules", "npm", "bin", "npm-cli.js");
await new Promise((resolvePromise, reject) => {
  const child = spawn(
    process.execPath,
    [npmCli, "run", "make", "-w", "@md-to-pdf/desktop"],
    {
      cwd: repositoryRoot,
      env: {
        ...process.env,
        MD_TO_PDF_NSIS_INCLUDE: generatedInclude
      },
      stdio: "inherit",
      windowsHide: true
    }
  );
  child.once("error", reject);
  child.once("exit", (code, signal) => {
    if (code === 0) {
      resolvePromise();
    } else {
      reject(
        new Error(
          `桌面安装器构建失败：${signal ? `signal ${signal}` : `exit ${code ?? "unknown"}`}`
        )
      );
    }
  });
});

const desktopOutput = join(desktopRoot, "out", `v${desktopManifest.version}`);
await mkdir(desktopOutput, { recursive: true });
await copyFile(fontInstallerPath, join(desktopOutput, fontInstallerName));
process.stdout.write(
  `主安装器与字体包伴随安装器已生成：${desktopOutput}\n`
);