import path from 'path'
import fs from 'fs'

class BuildObj {
  buildMain() {
    import('esbuild').then(build => {
      build.buildSync({
        entryPoints: ['./src/main/mainEntry.ts'],
        bundle: true,
        platform: "node",
        minify: true,
        outfile: './dist/mainEntry.js',
        external: ['electron']
      })
    })
  }

  preparePackageJson() {
    const pkgJsonPath = path.join(process.cwd(), 'package.json')
    const localPkgJson = JSON.parse(fs.readFileSync(pkgJsonPath, 'utf-8'))
    const electronConfig = localPkgJson.devDependencies.electron.replace("^", "")
    localPkgJson.main = "mainEntry.js"
    delete localPkgJson.scripts
    delete localPkgJson.devDependencies
    localPkgJson.devDependencies = { electron: electronConfig }
    const tarJsonPath = path.join(process.cwd(), "dist", "package.json")
    fs.writeFileSync(tarJsonPath, JSON.stringify(localPkgJson))
    fs.mkdirSync(path.join(process.cwd(), "dist/node_modules"))
  }

  buildInstaller() {
    const options = {
      config: {
        directories: {
          output: path.join(process.cwd(), "release"),
          app: path.join(process.cwd(), 'dist')
        },
        files:  ["**"],
        extends: null,
        productName: "JueJin",
        appId: "com.juejin.desktop",
        asar: true,
        nsis: {
          oneClick: true,
          perMachine: true,
          allowToChangeInstallationDirectory: false,
          createDesktopShortcut: true,
          createStartMenuShortcut: true,
          shortcutName: "jujinDesktop"
        },
        // publish: [
        //   {provider: "generic", url: "http://localhost:5500"}
        // ]
      },
      project: process.cwd()
    }
    return import('electron-builder').then(builder => {
      builder.build(options)
    })
  }
}

export const buildPlugin = () => {
  return {
    name: "build-plugin",
    closeBundle: () => {
      console.log('')
      const buildObj = new BuildObj()
      buildObj.buildMain()
      buildObj.preparePackageJson()
      buildObj.buildInstaller()
    }
  }
}