import * as path from 'path'
import { dest, parallel, src } from 'gulp'
import { relativeDir } from './utils'

/**
 * Define the replacement dependency path here,
 * the path is the dist directory to the directory corresponding to the real file.
 * In monorepo, you may not want each sub-repository to be published separately on npm,
 * and you don't want to package all the code together,
 * but the directory structure of the packaged product may be the same as your single-repository structure,
 * so after the packaging is completed, we Dependency paths need to be replaced
 */
const distDirMap = {
  '@be-ui-cli/lib-node-gulp-rollup-vitest-utils': '../dist/utils/index[format]',
  '@be-ui-cli/lib-node-gulp-rollup-vitest-runtime': '../dist/runtime/index[format]',
}
const formatList = [
  { runPath: path.resolve('../dist/**/*.js'), format: 'js' },
  { runPath: path.resolve('../dist/**/*.cjs'), format: 'cjs' },
]

export const rewritePath = () => {
  const parallelTaskList = []
  formatList.forEach((formatVal) => {
    parallelTaskList.push(parallel(() => {
      return src(formatVal.runPath)
        .on('data', (fileData) => {
          // 当前读取的文件内容
          let content = fileData.contents.toString()
          // 当前读取的文件路径
          const filePath = fileData.path.replaceAll('\\', '/')

          for (const distDirMapKey in distDirMap) {
            // 生产要替换的依赖路径 @xxxx ->  ../xxxx
            let targetPath = path.resolve(distDirMap[distDirMapKey])
            // 替换格式后缀 .[format] -> .js / .cjs
            targetPath = targetPath.replace('[format]', formatVal.format)
            // @ts-expect-error replaceAll error
            targetPath = targetPath.replaceAll('\\', '/')

            // 生产相对路径
            const relativePath = relativeDir(targetPath, filePath)

            // 替换依赖路径内容
            content = content.replaceAll(distDirMapKey, relativePath)
          }
          fileData.contents = Buffer.from(content)
        })
        .pipe(dest('../dist'))
    }))
  })

  return parallelTaskList
}