gongxiangp2/app/register/page.tsx

'use client'

import { useState, useEffect } from 'react'
import { useRouter } from 'next/navigation'
import Link from 'next/link'
import DepartmentTreeSelect from '@/components/DepartmentTreeSelect'
import BrandLogo from '@/components/BrandLogo'
import { DEFAULT_LOGIN_LOGO_URL } from '@/lib/brand-assets'
import { parseFetchError, parseApiError } from '@/lib/error-handler'

export default function RegisterPage() {
  const router = useRouter()
  const [email, setEmail] = useState('')
  const [username, setUsername] = useState('')
  const [department, setDepartment] = useState('')
  const [departments, setDepartments] = useState<Array<{ id: string; name: string; parentId?: string | null }>>([])
  const [password, setPassword] = useState('')
  const [confirmPassword, setConfirmPassword] = useState('')
  const [loading, setLoading] = useState(false)
  const [error, setError] = useState('')

  useEffect(() => {
    fetchDepartments()
  }, [])

  const fetchDepartments = async () => {
    try {
      const response = await fetch('/api/departments')
      if (response.ok) {
        const data = await response.json()
        setDepartments(data)
      }
    } catch (error) {
      console.error('Error fetching departments:', error)
    }
  }

  const handleSubmit = async (e: React.FormEvent) => {
    e.preventDefault()
    setError('')

    if (password !== confirmPassword) {
      setError('两次输入的密码不一致')
      return
    }

    if (password.length < 6) {
      setError('密码长度至少为6个字符')
      return
    }

    setLoading(true)

    try {
      const response = await fetch('/api/auth/register', {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
        },
        body: JSON.stringify({ email, username, department, password }),
      })

      const data = await response.json()

      if (response.ok) {
        router.push('/login?registered=true')
      } else {
        // 直接使用已解析的data，不要再次调用parseFetchError
        setError(data.error || '注册失败，请稍后再试')
      }
    } catch (error) {
      console.error('Registration error:', error)
      setError('注册失败，请稍后再试')
    } finally {
      setLoading(false)
    }
  }

  return (
    <div className="min-h-screen flex items-center justify-center bg-gradient-to-br from-primary-50 to-primary-100 p-4">
      <div className="max-w-md w-full">
        {/* Logo */}
        <div className="text-center mb-8">
          <div className="flex justify-center mb-4">
            <BrandLogo
              src={DEFAULT_LOGIN_LOGO_URL}
              fallbackSrc={DEFAULT_LOGIN_LOGO_URL}
              alt=""
              width={80}
              height={80}
              unoptimized
              className="rounded-apple shadow-apple"
            />
          </div>
          <h1 className="text-3xl font-bold text-gray-900">由壹点3D素材</h1>
          <p className="text-gray-600 mt-2">创建您的账号，开始分享3D素材</p>
        </div>

        {/* Register Form */}
        <div className="card-apple p-8">
          <form onSubmit={handleSubmit} className="space-y-6">
            {error && (
              <div className="bg-red-50 border border-red-200 text-red-600 px-4 py-3 rounded-apple text-sm">
                {error}
              </div>
            )}

            <div>
              <label className="block text-sm font-medium text-gray-700 mb-2">
                邮箱
              </label>
              <input
                type="email"
                value={email}
                onChange={(e) => setEmail(e.target.value)}
                className="input-apple"
                placeholder="your@email.com"
                required
              />
            </div>

            <div>
              <label className="block text-sm font-medium text-gray-700 mb-2">
                用户名
              </label>
              <input
                type="text"
                value={username}
                onChange={(e) => setUsername(e.target.value)}
                className="input-apple"
                placeholder="选择一个用户名"
                required
              />
            </div>

            <div>
              <label className="block text-sm font-medium text-gray-700 mb-2">
                部门
              </label>
              <DepartmentTreeSelect
                departments={departments}
                value={department}
                onChange={(deptId) => {
                  // 将部门ID转换为部门名称（API接受名称）
                  const dept = departments.find(d => d.id === deptId || d.name === deptId)
                  setDepartment(dept ? dept.name : '')
                }}
                placeholder="请选择部门"
                allowEmpty={true}
                emptyLabel="未分配"
                className="w-full"
              />
              {departments.length === 0 && (
                <p className="text-sm text-gray-500 mt-1">
                  暂无可选部门，请联系管理员添加
                </p>
              )}
            </div>

            <div>
              <label className="block text-sm font-medium text-gray-700 mb-2">
                密码
              </label>
              <input
                type="password"
                value={password}
                onChange={(e) => setPassword(e.target.value)}
                className="input-apple"
                placeholder="••••••••"
                required
              />
            </div>

            <div>
              <label className="block text-sm font-medium text-gray-700 mb-2">
                确认密码
              </label>
              <input
                type="password"
                value={confirmPassword}
                onChange={(e) => setConfirmPassword(e.target.value)}
                className="input-apple"
                placeholder="••••••••"
                required
              />
            </div>

            <button
              type="submit"
              className="w-full btn-primary"
              disabled={loading}
            >
              {loading ? '注册中...' : '注册'}
            </button>
          </form>

          <div className="mt-6 text-center">
            <p className="text-sm text-gray-600">
              已有账号？{' '}
              <Link
                href="/login"
                className="text-gray-900 hover:text-gray-700 font-medium underline"
              >
                立即登录
              </Link>
            </p>
          </div>
        </div>
      </div>
    </div>
  )
}