// Утилиты для работы с Telegram Web App

let tg = null

export const initTelegramApp = () => {
  if (typeof window !== 'undefined' && window.Telegram?.WebApp) {
    tg = window.Telegram.WebApp
    tg.ready()
    tg.expand()
    
    // Установить цвета темы
    tg.setHeaderColor('#F2F3F5')
    tg.setBackgroundColor('#F2F3F5')
    
    return tg
  }
  return null
}

export const getTelegramApp = () => {
  return tg || window.Telegram?.WebApp
}

export const getTelegramUser = () => {
  const app = getTelegramApp()
  return app?.initDataUnsafe?.user || null
}

export const getTelegramInitData = () => {
  const app = getTelegramApp()
  return app?.initData || ''
}

export const showAlert = (message) => {
  const app = getTelegramApp()
  if (app) {
    app.showAlert(message)
  } else {
    alert(message)
  }
}

export const showConfirm = (message) => {
  const app = getTelegramApp()
  return new Promise((resolve) => {
    if (app) {
      app.showConfirm(message, resolve)
    } else {
      resolve(confirm(message))
    }
  })
}

export const showPopup = (params) => {
  const app = getTelegramApp()
  return new Promise((resolve) => {
    if (app) {
      app.showPopup(params, resolve)
    } else {
      alert(params.message)
      resolve()
    }
  })
}

export const openTelegramLink = (url) => {
  const app = getTelegramApp()
  if (app) {
    app.openTelegramLink(url)
  } else {
    window.open(url, '_blank')
  }
}

export const openLink = (url) => {
  const app = getTelegramApp()
  if (app) {
    app.openLink(url)
  } else {
    window.open(url, '_blank')
  }
}

export const hapticFeedback = (type = 'light') => {
  const app = getTelegramApp()
  if (app?.HapticFeedback) {
    switch (type) {
      case 'light':
        app.HapticFeedback.impactOccurred('light')
        break
      case 'medium':
        app.HapticFeedback.impactOccurred('medium')
        break
      case 'heavy':
        app.HapticFeedback.impactOccurred('heavy')
        break
      case 'success':
        app.HapticFeedback.notificationOccurred('success')
        break
      case 'warning':
        app.HapticFeedback.notificationOccurred('warning')
        break
      case 'error':
        app.HapticFeedback.notificationOccurred('error')
        break
      default:
        app.HapticFeedback.impactOccurred('light')
    }
  }
}

// Для разработки: мок данные если не в Telegram
export const getMockUser = () => {
  // Генерируем случайные данные для тестирования
  const randomId = Math.floor(Math.random() * 1000000000)
  return {
    id: randomId,
    first_name: 'Dev',
    last_name: 'User',
    username: `dev_user_${randomId}`,
    photo_url: `https://api.dicebear.com/7.x/avataaars/svg?seed=${randomId}` // Генератор аватаров
  }
}

export const isDevelopment = () => {
  return !window.Telegram?.WebApp?.initDataUnsafe?.user
}