import fs from 'node:fs'
import path from 'node:path'
import process from 'node:process'
import { fileURLToPath } from 'node:url'

// Get the current file path
const __filename = fileURLToPath(import.meta.url)
const __dirname = path.dirname(__filename)

// Get the plugin name from command line arguments
const args = process.argv.slice(2)
const pluginName = args[0]

if (!pluginName) {
  console.error('Please provide a plugin name, e.g., npm run create:plugin somePluginName')
  process.exit(1)
}

// Validate plugin name
const pluginNameRegex = /^[a-z-]+$/
if (!pluginNameRegex.test(pluginName)) {
  console.error('Invalid plugin name. Only lowercase letters and hyphens are allowed.')
  process.exit(1)
}

// Convert plugin name to export name (PascalCase)
const exportName = pluginName
  .split('-')
  .map(word => word.charAt(0).toUpperCase() + word.slice(1))
  .join('')
const exportNameFull = `artplayerPlugin${exportName}`

// Define paths
const templateDir = path.join(__dirname, 'template')
const destDir = path.join(__dirname, '../../packages', `artplayer-plugin-${pluginName}`)
const exampleDir = path.join(__dirname, '../../docs/assets/example')
const exampleFileName = `${pluginName.replace(/-/g, '.')}.js`
const exampleFile = path.join(exampleDir, exampleFileName)

// Check if a plugin with the same name already exists
if (fs.existsSync(destDir)) {
  console.error(`Plugin ${pluginName} already exists. Please choose another name.`)
  process.exit(1)
}

// Create the destination directory
fs.mkdirSync(destDir, { recursive: true })

// Read files from the template directory and copy them to the destination directory
function copyTemplateFiles(templateDir, destDir) {
  const files = fs.readdirSync(templateDir)

  files.forEach((file) => {
    const templateFilePath = path.join(templateDir, file)
    let destFilePath = path.join(destDir, file)

    const stats = fs.statSync(templateFilePath)

    if (stats.isDirectory()) {
      fs.mkdirSync(destFilePath, { recursive: true })
      copyTemplateFiles(templateFilePath, destFilePath)
    }
    else {
      // Replace placeholders in the file name
      destFilePath = destFilePath.replace(/\{\{name\}\}/g, pluginName)

      let content = fs.readFileSync(templateFilePath, 'utf8')

      // Replace placeholders in the file content
      content = content.replace(/\{\{name\}\}/g, pluginName)
      content = content.replace(/\{\{export\}\}/g, exportNameFull)

      fs.writeFileSync(destFilePath, content)
    }
  })
}

// Create the example file
function createExampleFile() {
  const exampleContent = `
// npm i artplayer-plugin-${pluginName}
// import ${exportNameFull} from 'artplayer-plugin-${pluginName}';

var art = new Artplayer({
    container: '.artplayer-app',
    url: '/assets/sample/video.mp4',
    plugins: [
        ${exportNameFull}({
            //
        }),
    ],
});
    `.trim()

  if (!fs.existsSync(exampleDir)) {
    fs.mkdirSync(exampleDir, { recursive: true })
  }

  fs.writeFileSync(exampleFile, exampleContent)
  console.log(`Example file created at ${exampleFile}`)
}

// Start copying template files and creating example file
copyTemplateFiles(templateDir, destDir)
createExampleFile()

console.log(`Plugin ${pluginName} has been successfully created at ${destDir}`)