import fs from 'node:fs'
import path from 'node:path'

import { PROFILE_NATIVE_SKILLS_PATH } from '@/constants'

import { mergeMissingSettings } from '../settings-merge'

/**
 * Set up skills settings
 */
export default async function (skillFriendlyName, currentSkill) {
  const skillName = path.basename(currentSkill.path)
  const skillSrcPath = path.join(currentSkill.path, 'src')
  const settingsPath = path.join(
    PROFILE_NATIVE_SKILLS_PATH,
    skillName,
    'settings.json'
  )
  const settingsSamplePath = path.join(skillSrcPath, 'settings.sample.json')

  // If there is a bridge set from the skill settings
  if (currentSkill.bridge) {
    // Check if the settings and settings.sample file exist
    if (fs.existsSync(settingsPath) && fs.existsSync(settingsSamplePath)) {
      const settings = JSON.parse(
        await fs.promises.readFile(settingsPath, 'utf8')
      )
      const settingsSample = JSON.parse(
        await fs.promises.readFile(settingsSamplePath, 'utf8')
      )
      const mergedSettings = mergeMissingSettings(settingsSample, settings)

      if (JSON.stringify(settings) !== JSON.stringify(mergedSettings)) {
        await fs.promises.mkdir(path.dirname(settingsPath), { recursive: true })
        await fs.promises.writeFile(
          settingsPath,
          `${JSON.stringify(mergedSettings, null, 2)}\n`
        )
      }
    } else if (!fs.existsSync(settingsSamplePath)) {
      // Stop the setup if the settings.sample.json of the current skill does not exist
      throw new Error(
        `The "${skillFriendlyName}" skill settings file does not exist. Try to pull the project (git pull)`
      )
    } else {
      // Duplicate settings.sample.json of the current skill to settings.json
      await fs.promises.mkdir(path.dirname(settingsPath), { recursive: true })
      await fs.promises.copyFile(settingsSamplePath, settingsPath)
    }
  }
}