import commonjs from '@rollup/plugin-commonjs';
import resolve from '@rollup/plugin-node-resolve';
import replace from '@rollup/plugin-replace';
import terser from '@rollup/plugin-terser';
import typescript from '@rollup/plugin-typescript';
import autoprefixer from 'autoprefixer';
import atImport from 'postcss-import';
import cleaner from 'rollup-plugin-cleaner';
import copy from 'rollup-plugin-copy';
import postcss from 'rollup-plugin-postcss';

const { NODE_ENV: targetEnv = 'development' } = process.env;
const inDirBase = 'Gauge/src';
const outDirBase = 'PackageSources/html_ui/Pages/VCockpit/Instruments/FSS_B727/KH_FE_FPLAN/';

export default {
  input: `${inDirBase}/index.tsx`,
  output: {
    dir: outDirBase,
    format: 'es',
    sourcemap: targetEnv !== 'production',
  },
  plugins: [
    replace({
      'process.env.NODE_ENV': JSON.stringify(targetEnv),
      'import.meta.env': true,
      'import.meta.env.MODE': JSON.stringify(targetEnv),
      preventAssignment: true,
    }),
    cleaner({
      targets: [outDirBase],
    }),
    postcss({
      plugins: [autoprefixer(), atImport()],
      extract: true,
      use: ['sass'],
      sourceMap: targetEnv !== 'production',
      minimize: targetEnv === 'production',
    }),
    resolve(),
    typescript({ outputToFilesystem: false }),
    commonjs({
      requireReturnsDefault: 'auto',
    }),
    targetEnv === 'production' && terser(),
    copy({
      targets: [
        { src: [`${inDirBase}/index.html`], dest: outDirBase },
        { src: [`${inDirBase}/assets/img/**`], dest: outDirBase + 'assets/img' },
        { src: [`${inDirBase}/assets/fonts/**`], dest: outDirBase + 'assets/fonts' },
      ],
    }),
  ],
};