import { getSessionUsername } from '~/server/utils/auth'
import { getUserByUsername, getSetting, deleteOldSermons } from '~/server/utils/database'

export default defineEventHandler(async (event) => {
  // Check if user is authenticated and is admin
  const username = await getSessionUsername(event)
  if (!username) {
    throw createError({
      statusCode: 401,
      message: 'Unauthorized'
    })
  }

  const user = getUserByUsername(username)
  if (!user || user.is_admin !== 1) {
    throw createError({
      statusCode: 403,
      message: 'Forbidden - Admin access required'
    })
  }

  // Get the retention policy setting
  const setting = getSetting('sermon_retention_policy')
  const retentionPolicy = setting ? setting.value : 'forever'

  // Map retention policy to days
  const retentionDaysMap: Record<string, number> = {
    'forever': 0, // 0 means no deletion
    '1_month': 30,
    '3_months': 90,
    '6_months': 180,
    '1_year': 365,
    '3_years': 1095,
    '5_years': 1825,
    '10_years': 3650
  }

  const retentionDays = retentionDaysMap[retentionPolicy] || 0

  if (retentionDays === 0) {
    return {
      success: true,
      message: 'Retention policy is set to forever, no sermons deleted',
      deletedCount: 0
    }
  }

  // Delete old sermons
  const result = deleteOldSermons(retentionDays)

  return {
    success: true,
    message: `Deleted sermons older than ${retentionDays} days`,
    deletedCount: result.changes,
    retentionPolicy
  }
})