import { resetUserPassword, getUserByUsername } from '~/server/utils/database'
import { getAuthCookie } from '~/server/utils/auth'

export default defineEventHandler(async (event) => {
  const username = getAuthCookie(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'
    })
  }

  const id = parseInt(event.context.params?.id || '')
  const body = await readBody(event)
  const { newPassword } = body
  
  if (isNaN(id)) {
    throw createError({
      statusCode: 400,
      message: 'Invalid user ID'
    })
  }

  if (!newPassword || typeof newPassword !== 'string') {
    throw createError({
      statusCode: 400,
      message: 'New password is required'
    })
  }

  // Validate password strength
  if (newPassword.length < 8) {
    throw createError({
      statusCode: 400,
      message: 'Password must be at least 8 characters long'
    })
  }

  if (!/[A-Z]/.test(newPassword)) {
    throw createError({
      statusCode: 400,
      message: 'Password must contain at least one uppercase letter'
    })
  }

  if (!/[a-z]/.test(newPassword)) {
    throw createError({
      statusCode: 400,
      message: 'Password must contain at least one lowercase letter'
    })
  }

  if (!/[0-9!@#$%^&*()_+\-=\[\]{};':"\\|,.<>\/?]/.test(newPassword)) {
    throw createError({
      statusCode: 400,
      message: 'Password must contain at least one number or symbol'
    })
  }

  try {
    resetUserPassword(id, newPassword)
    return { success: true }
  } catch (error) {
    throw createError({
      statusCode: 500,
      message: 'Failed to reset password'
    })
  }
})