import resolve from '@rollup/plugin-node-resolve';
import commonjs from '@rollup/plugin-commonjs';
import terser from '@rollup/plugin-terser';
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';

// 基础配置
const baseConfig = {
  input: 'src/index.js',
  plugins: [
    resolve(),
    commonjs(),
  ],
};

// 开发服务器配置
const devPlugins = isDev ? [
  serve({
    open: true,
    contentBase: ['site', 'dist'],
    port: 3000,
  }),
  livereload({
    watch: ['src', 'site'],
  }),
] : [];

// 生产环境配置
const prodPlugins = isProd ? [
  terser({
    compress: {
      drop_console: true,
      drop_debugger: true,
      pure_funcs: ['console.log', 'console.warn'],
    },
    format: {
      comments: false,
    },
  }),
] : [];

// 输出配置
export default [
  // UMD格式（浏览器）
  {
    ...baseConfig,
    output: {
      file: 'dist/metona-toast.js',
      format: 'umd',
      name: 'MeToast',
      exports: 'named',
      sourcemap: !isProd,
      globals: {},
    },
    plugins: [
      ...baseConfig.plugins,
      ...devPlugins,
      ...prodPlugins,
    ],
  },
  
  // ESM格式（现代浏览器/打包工具）
  {
    ...baseConfig,
    output: {
      file: 'dist/metona-toast.esm.js',
      format: 'es',
      exports: 'named',
      sourcemap: !isProd,
    },
    plugins: [
      ...baseConfig.plugins,
      ...prodPlugins,
    ],
  },
  
  // CommonJS格式（Node.js）
  {
    ...baseConfig,
    output: {
      file: 'dist/metona-toast.cjs.js',
      format: 'cjs',
      exports: 'named',
      sourcemap: !isProd,
    },
    plugins: [
      ...baseConfig.plugins,
      ...prodPlugins,
    ],
  },
  
  // 压缩版本（UMD）
  {
    ...baseConfig,
    output: {
      file: 'dist/metona-toast.min.js',
      format: 'umd',
      name: 'MeToast',
      exports: 'named',
      sourcemap: false,
      globals: {},
    },
    plugins: [
      ...baseConfig.plugins,
      terser({
        compress: {
          drop_console: true,
          drop_debugger: true,
          pure_funcs: ['console.log', 'console.warn'],
          passes: 2,
        },
        format: {
          comments: false,
        },
        mangle: {
          toplevel: true,
        },
      }),
    ],
  },
  
  // TypeScript声明文件
  {
    input: 'types/index.d.ts',
    output: {
      file: 'dist/metona-toast.d.ts',
      format: 'es',
    },
    plugins: [dts()],
  },
];