// Name: Prettier Format
// Description: Formats files with Prettier.
// Author: johnlindquist

import '@johnlindquist/kit'import { glob } from 'glob'
import { readFile, writeFile } from 'node:fs/promises'
import { format } from 'prettier'

// Prompt for file patterns and an optional prettier config file
const filePatterns = await fields([
  {
    label: 'File Patterns (comma-separated)',
    placeholder: '*.js, *.ts, *.json',
  },
  {
    label: 'Prettier Config File (optional)',
    placeholder: '.prettierrc.json',
    type: 'text',
  },
])
const [patterns, prettierConfig] = filePatterns

// Exit if no file patterns are provided
if (!patterns) {
  exit()
}

// Expand the glob patterns and get the absolute file paths
const files = await glob(patterns.split(',').map(p => p.trim()), { absolute: true })

// Exit if no files match the provided pattern
if (files.length === 0) {
  await div('No files matched the provided pattern.')
  exit()
}

// Load prettier options from the config file, if provided and exists
let options: any = {}
if (prettierConfig && await pathExists(prettierConfig)) {
  try {
    const configFileContent = await readFile(prettierConfig, 'utf-8')
    options = JSON.parse(configFileContent)
  } catch (error) {
    console.error(`Error parsing prettier config: ${prettierConfig}`, error)
    await div(`Error parsing prettier config: ${prettierConfig}`)
  }
}

// Format each file using Prettier
for (const file of files) {
  try {
    const content = await readFile(file, 'utf-8')
    const formatted = await format(content, { ...options, filepath: file })
    await writeFile(file, formatted)
    console.log(`Formatted: ${file}`)
  } catch (error) {
    console.error(`Error formatting ${file}:`, error)
    await div(`Error formatting ${file}: ${error}`)
  }
}

await div('Code formatting complete.')