const path = require('path');
const typescript = require('rollup-plugin-typescript2');
const { terser } = require('rollup-plugin-terser');
const cleanup = require('rollup-plugin-cleanup');
const { nodeResolve } = require('@rollup/plugin-node-resolve');
const { getTargetPackage } = require('./config');
const dtsPlugin = require('./util/dts-plugin');
const stylePlugin = require('./util/style-plugin');
// const cleanPlugin = require('./util/clean-plugin');

const resolveFile = function(names = []) {
  return path.join(__dirname, '..', 'packages', ...names)
}
const targetMod = process.argv[5];
const packages = getTargetPackage(targetMod);

const modules = [];
const external = [ '@idraw/types', '@idraw/util', '@idraw/board', '@idraw/core' ];

for(let i = 0; i < packages.length; i++) {
  const pkg = packages[i];
  modules.push({
    input: resolveFile([pkg.dirName, 'src', 'index.ts']),
    output: resolveFile([pkg.dirName, 'dist', 'index.global.js']),
    name: pkg.globalName,
    format: 'iife',
    plugins: []
  });
  modules.push({
    input: resolveFile([pkg.dirName, 'src', 'index.ts']),
    output: resolveFile([pkg.dirName, 'dist', 'index.cjs.js']),
    name: pkg.globalName,
    format: 'cjs',
    exports: 'default',
    // plugins: [dtsPlugin(pkg.dirName),],
    plugins: [],
    external,
  });
  modules.push({
    input: resolveFile([pkg.dirName, 'src', 'index.ts']),
    output: resolveFile([pkg.dirName, 'dist', 'index.es.js']),
    name: pkg.globalName,
    esModule: true,
    format: 'es',
    external,
    plugins: [dtsPlugin(pkg.dirName),]
  });
}


function createConfigItem(params) {
  const { input, output, name, format, plugins = [], esModule, exports} = params;
  return {
    input: input,
    output: {
      file:output,
      format,
      name: name,
      esModule: esModule === true,
      // sourcemap: true,
      exports
    }, 
    plugins: [
      ...[
        stylePlugin(),
        nodeResolve(),
        typescript({
          tsconfig: path.resolve(__dirname, '..', 'tsconfig.json'),
          tsconfigOverride: {}
        }),
      ],
      ...plugins,
      ...[
        // cleanPlugin({
        //   sourcemap: process.env.NODE_ENV === 'development',
        // }),
        // terser({
        //   output: {
        //     beautify: true,
        //     // comments: false,
        //     // indent_level: 2,
        //     // quote_style: 3,
        //   }
        // })
        cleanup({
          comments: 'none',
        }),
      ]
    ],
  };
}

function createDevConfig(mods) {
  const configs = mods.map((mod) => {
    return createConfigItem(mod);
  });
  return configs;
}

module.exports = createDevConfig(modules);