import resolve from '@rollup/plugin-node-resolve';
import commonjs from '@rollup/plugin-commonjs';
import terser from '@rollup/plugin-terser';
import typescript from '@rollup/plugin-typescript';
import dts from 'rollup-plugin-dts';
import serve from 'rollup-plugin-serve';
import livereload from 'rollup-plugin-livereload';

const isDev = process.env.ROLLUP_WATCH;
const isProd = process.env.NODE_ENV === 'production';

const basePlugins = [
  resolve(),
  commonjs(),
  typescript({
    tsconfig: './tsconfig.json',
    declaration: false,
  }),
];

const devPlugins = isDev ? [
  serve({
    open: true,
    contentBase: ['site', 'dist'],
    port: 3001,
  }),
  livereload({
    watch: ['src', 'site'],
  }),
] : [];

export default [
  // UMD development (always built)
  {
    input: 'src/index.ts',
    output: {
      file: 'dist/metona-sqlark.js',
      format: 'umd',
      name: 'MetonaSqlark',
      exports: 'named',
      sourcemap: true,
    },
    // react/vue 为 peer dependency（integrations 子路径），不打包
    external: ['react', 'vue'],
    plugins: [...basePlugins, ...devPlugins],
  },
  // Only build all formats in production
  ...(isDev ? [] : [
    // ES Module
    {
      input: 'src/index.ts',
      output: {
        file: 'dist/metona-sqlark.esm.js',
        format: 'es',
        exports: 'named',
        sourcemap: true,
      },
      external: ['react', 'vue'],
      plugins: basePlugins,
    },
    // CommonJS（.cjs 后缀：package.json 为 type:module，.js 会被 Node 按 ESM 解析）
    {
      input: 'src/index.ts',
      output: {
        file: 'dist/metona-sqlark.cjs',
        format: 'cjs',
        exports: 'named',
        sourcemap: true,
      },
      external: ['react', 'vue'],
      plugins: basePlugins,
    },
    // UMD minified
    {
      input: 'src/index.ts',
      output: {
        file: 'dist/metona-sqlark.min.js',
        format: 'umd',
        name: 'MetonaSqlark',
        exports: 'named',
        sourcemap: false,
      },
      external: ['react', 'vue'],
      plugins: [
        ...basePlugins,
        terser({
          compress: {
            drop_console: true,
            drop_debugger: true,
            pure_funcs: ['console.log', 'console.warn'],
            passes: 2,
          },
          format: { comments: false },
          mangle: { toplevel: true },
        }),
      ],
    },
    // TypeScript declarations bundle
    {
      input: 'src/index.ts',
      output: {
        file: 'dist/metona-sqlark.d.ts',
        format: 'es',
      },
      plugins: [dts()],
    },
    // v0.8.0: React / Vue 集成产物。
    // 此前 package.json 的 "./react" / "./vue" 直接指向 **src/ 下的裸 TS 源码**，
    // 而这两个文件带 `// @ts-nocheck` → 使用者拿到的是未编译代码 + 类型为 any
    // 的声明（"开箱即用 hooks"这一宣称不成立）。现在构建成真实 ESM 产物，
    // 配套手写精确声明（见 src/integrations/*.d.ts 的说明）。
    // react / vue 保持 external（peer dependency），不打包进产物。
    {
      input: 'src/integrations/react.ts',
      output: { file: 'dist/react.js', format: 'es', sourcemap: true },
      external: ['react'],
      plugins: basePlugins,
    },
    {
      input: 'src/integrations/vue.ts',
      output: { file: 'dist/vue.js', format: 'es', sourcemap: true },
      external: ['vue'],
      plugins: basePlugins,
    },
  ]),
];