import { NextAuthOptions } from 'next-auth'
import CredentialsProvider from 'next-auth/providers/credentials'
import { prisma } from '@/lib/prisma'
import bcrypt from 'bcryptjs'

export const authOptions: NextAuthOptions = {
  providers: [
    CredentialsProvider({
      name: 'Credentials',
      credentials: {
        email: { label: 'Email', type: 'email' },
        password: { label: 'Password', type: 'password' },
      },
      async authorize(credentials) {
        if (!credentials?.email || !credentials?.password) {
          throw new Error('请输入邮箱和密码')
        }

        const user = await prisma.user.findUnique({
          where: { email: credentials.email },
        })

        if (!user) {
          throw new Error('用户不存在')
        }

        const isPasswordValid = await bcrypt.compare(
          credentials.password,
          user.password
        )

        if (!isPasswordValid) {
          throw new Error('密码错误')
        }

        // 检查用户是否已激活（如果启用了激活功能且用户不是管理员或超级管理员）
        const settings = await prisma.systemSettings.findFirst()
        if (settings?.enableUserActivation && !user.isActive && user.role !== 'ADMIN' && !(user as any).isSuperAdmin) {
          throw new Error('账号未激活，请联系管理员')
        }

        return {
          id: user.id,
          email: user.email,
          name: user.username,
          role: user.role as "ADMIN" | "USER",
          isSuperAdmin: (user as any).isSuperAdmin,
        }
      },
    }),
  ],
  callbacks: {
    async jwt({ token, user }) {
      if (user) {
        token.role = (user as any).role;
        token.id = user.id;
        (token as any).isSuperAdmin = (user as any).isSuperAdmin || false;
      }
      return token;
    },
    async session({ session, token }) {
      if (session?.user && token) {
        (session.user as any).role = token.role || 'USER';
        (session.user as any).id = token.id;
        (session.user as any).isSuperAdmin = (token as any).isSuperAdmin || false;
      }
      return session;
    },
  },
  pages: {
    signIn: '/login',
    signOut: '/login',
  },
  session: {
    strategy: 'jwt',
  },
  secret: process.env.NEXTAUTH_SECRET,
}