import esbuild from "esbuild";
import fs from "fs";
import path from "path";

// 打包默认使用 prod 环境变量
if (!process.env.NODE_ENV) {
  process.env.NODE_ENV = "prod";
}

// 自动创建 env 目录和环境变量文件（.gitignore 可能忽略了这些文件）
const envDir = path.resolve("env");
const envFile = path.join(envDir, `.env.${process.env.NODE_ENV}`);
if (!fs.existsSync(envDir)) {
  fs.mkdirSync(envDir, { recursive: true });
}
if (!fs.existsSync(envFile)) {
  const defaultEnv = `NODE_ENV=${process.env.NODE_ENV}\nPORT=10588\nOSSURL=http://127.0.0.1:10588/\n`;
  fs.writeFileSync(envFile, defaultEnv, "utf8");
  console.log(`📄 已自动创建环境变量文件: ${envFile}`);
}

const external = [
  "electron",
  "@huggingface/transformers",
  "onnxruntime-node",
  "vm2",
  "sqlite3",
  "better-sqlite3",
  "mysql",
  "mysql2",
  "pg",
  "pg-query-stream",
  "oracledb",
  "tedious",
  "mssql",
];

// 后端服务打包配置
const appBuildConfig: esbuild.BuildOptions = {
  entryPoints: ["src/app.ts"],
  bundle: true,
  minify: false,
  format: "cjs",
  allowOverwrite: true,
  outfile: `data/serve/app.js`,
  platform: "node",
  target: "esnext",
  tsconfig: "./tsconfig.json",
  alias: {
    "@": "./src",
  },
  sourcemap: false,
  external,
};

// Electron 主进程打包配置
const mainBuildConfig: esbuild.BuildOptions = {
  entryPoints: ["scripts/main.ts"],
  bundle: true,
  minify: false,
  format: "cjs",
  outfile: `build/main.js`,
  allowOverwrite: true,
  platform: "node",
  target: "esnext",
  tsconfig: "./tsconfig.json",
  alias: {
    "@": "./src",
  },
  sourcemap: false,
  external,
};

(async () => {
  try {
    console.log("🔨 开始构建...\n");

    // 并行构建
    await Promise.all([esbuild.build(appBuildConfig), esbuild.build(mainBuildConfig)]);

    console.log("✅ 后端服务构建完成: build/app.js");
    console.log("✅ Electron主进程构建完成: build/main.js");
    console.log("\n🎉 所有构建任务完成!\n");
  } catch (err) {
    console.error("❌ 构建失败:", err);
    process.exit(1);
  }
})();