import gulp from 'gulp'
import ts from 'gulp-typescript'
import path from 'path'
import { buildOutput } from '../../build/paths'

export const esm = './es'
export const cjs = './lib'
const inputs = './lang/*.ts'

function compileLangEsm() {
  return gulp
    .src(inputs)
    .pipe(ts.createProject('tsconfig.json')())
    .pipe(gulp.dest(path.resolve(esm, 'lang')))
}

function compileLangCjs() {
  return gulp
    .src(inputs)
    .pipe(
      ts.createProject('tsconfig.json', {
        module: 'commonjs',
      })(),
    )
    .pipe(gulp.dest(path.resolve(cjs, 'lang')))
}

function compileEntryEsm() {
  return gulp
    .src('./index.ts')
    .pipe(ts.createProject('tsconfig.json')())
    .pipe(gulp.dest(esm))
}

function compileEntryCjs() {
  return gulp
    .src('./index.ts')
    .pipe(
      ts.createProject('tsconfig.json', {
        module: 'commonjs',
      })(),
    )
    .pipe(gulp.dest(cjs))
}

const distBundle = path.resolve(buildOutput, './element-plus')

/**
 * copy from packages/theme-chalk/lib to dist/theme-chalk
 */
function copyEsm() {
  return gulp
    .src(cjs + '/**/*')
    .pipe(gulp.dest(path.resolve(distBundle, './lib/locale')))
}

function copyCjs() {
  return gulp
    .src(esm + '/**/*')
    .pipe(gulp.dest(path.resolve(distBundle, './es/locale')))
}

export const build = gulp.series(
  compileEntryEsm,
  compileEntryCjs,
  compileLangEsm,
  compileLangCjs,
  copyEsm,
  copyCjs,
)

export default build