import path from 'node:path'
import process from 'node:process'
import { fileURLToPath } from 'node:url'
import { Parcel } from '@parcel/core'
import prompts from 'prompts'
import servor from 'servor'
import openBrowser from 'servor/utils/openBrowser.js'
import { getProjects } from './utils.js'

const projects = getProjects()

async function develop(name) {
  const projectPath = projects[name]
  const uncompiledPath = path.resolve(`docs/uncompiled/${name}`)
  const entryFile = path.join(projectPath, 'src/index.js')

  let isOpenBrowser = false

  const { url } = await servor({
    root: 'docs',
    fallback: 'index.html',
    reload: true,
    port: 8082,
  })

  process.chdir(projectPath)

  const bundler = new Parcel({
    entries: entryFile,
    defaultConfig: '@parcel/config-default',
    mode: 'development',
    targets: {
      main: {
        distDir: uncompiledPath,
        outputFormat: 'global',
        isLibrary: true,
        engines: {
          browsers: ['last 1 Chrome version'],
        },
      },
    },
    env: {
      NODE_ENV: 'development',
    },
    additionalReporters: [
      {
        packageName: '@parcel/reporter-cli',
        resolveFrom: fileURLToPath(import.meta.url),
      },
    ],
  })

  bundler.watch((error, event) => {
    if (error) {
      console.error(`[${name}] ❌ Build error:`, error)
      return
    }

    if (event.type === 'buildSuccess') {
      const bundles = event.bundleGraph.getBundles()
      console.log(`[${name}] ✅ Built ${bundles.length} bundles in ${event.buildTime}ms`)
      if (!isOpenBrowser) {
        isOpenBrowser = true
        openBrowser(url)
      }
    }

    if (event.type === 'buildFailure') {
      console.error(`[${name}] ❌ Build failure:`, event.diagnostics)
    }
  })
}

(async () => {
  try {
    const response = await prompts({
      type: 'select',
      name: 'value',
      message: 'Which project do you want to develop?',
      choices: Object.keys(projects).map(name => ({
        title: name,
        value: name,
      })),
      initial: 0,
    })

    if (response.value) {
      await develop(response.value)
    }
  }
  catch (error) {
    console.error(`❌ Prompt error: ${error.message}`)
  }
})()