gitlab-instance-0a899031_salon/app/components/AuthModal.tsx

"use client";

import { useState, useEffect, type FormEvent } from "react";
import { createPortal } from "react-dom";
import {
  pbLogin,
  pbRegister,
  pbSaveAuth,
} from "@/app/lib/pocketbase";

interface AuthModalProps {
  isOpen: boolean;
  onClose: () => void;
  onSuccess: (email: string) => void;
}

export default function AuthModal({ isOpen, onClose, onSuccess }: AuthModalProps) {
  const [mode, setMode] = useState<"login" | "register">("login");
  const [email, setEmail] = useState("");
  const [password, setPassword] = useState("");
  const [passwordConfirm, setPasswordConfirm] = useState("");
  const [loading, setLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);

  const handleSubmit = async (e: FormEvent) => {
    e.preventDefault();
    setError(null);
    setLoading(true);

    try {
      let result;
      if (mode === "register") {
        if (password !== passwordConfirm) {
          setError("两次密码不一致");
          setLoading(false);
          return;
        }
        if (password.length < 8) {
          setError("密码至少 8 位");
          setLoading(false);
          return;
        }
        result = await pbRegister(email, password, passwordConfirm);
      } else {
        result = await pbLogin(email, password);
      }
      pbSaveAuth(result.token, result.record);
      try {
        await fetch("/api/auth/sync-session", {
          method: "POST",
          headers: { "Content-Type": "application/json" },
          body: JSON.stringify({ token: result.token, record: result.record }),
          credentials: "include",
        });
      } catch {
        /* ignore */
      }
      onSuccess(email);
      onClose();
      setEmail("");
      setPassword("");
      setPasswordConfirm("");
    } catch (err) {
      setError(err instanceof Error ? err.message : "操作失败");
    } finally {
      setLoading(false);
    }
  };

  const [mounted, setMounted] = useState(false);
  useEffect(() => setMounted(true), []);

  if (!isOpen || !mounted) return null;

  const modalContent = (
    <div className="fixed inset-0 z-[9999] overflow-y-auto">
      <div className="fixed inset-0 bg-black/50" onClick={onClose} aria-hidden />
      <div className="flex min-h-svh items-center justify-center p-4 py-8">
        <div className="relative w-full max-w-sm rounded-2xl bg-white p-6 shadow-xl dark:bg-gray-900 dark:border dark:border-gray-700 shrink-0">
          <button
            onClick={onClose}
            className="absolute right-4 top-4 text-gray-400 hover:text-gray-600 dark:hover:text-gray-300"
            aria-label="关闭"
          >
            <svg className="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
            </svg>
          </button>

          <h2 className="text-xl font-bold text-gray-800 dark:text-gray-100">
            {mode === "login" ? "登录" : "注册"}
          </h2>
          <p className="mt-1 text-sm text-gray-500 dark:text-gray-400">
            {mode === "login" ? "使用邮箱和密码登录" : "创建新账号"}
          </p>

          <form onSubmit={handleSubmit} className="mt-6 space-y-4">
            <div>
              <label className="mb-1 block text-sm font-medium text-gray-700 dark:text-gray-300">邮箱</label>
              <input
                type="email"
                value={email}
                onChange={(e) => setEmail(e.target.value)}
                placeholder="your@email.com"
                required
                className="w-full rounded-lg border border-gray-200 px-4 py-2.5 text-gray-800 placeholder-gray-400 focus:border-[#ff4d4f] focus:outline-none focus:ring-1 focus:ring-[#ff4d4f] dark:border-gray-600 dark:bg-gray-800 dark:text-gray-100"
              />
            </div>
            <div>
              <label className="mb-1 block text-sm font-medium text-gray-700 dark:text-gray-300">密码</label>
              <input
                type="password"
                value={password}
                onChange={(e) => setPassword(e.target.value)}
                placeholder={mode === "register" ? "至少 8 位" : "••••••••"}
                required
                minLength={mode === "register" ? 8 : 1}
                className="w-full rounded-lg border border-gray-200 px-4 py-2.5 text-gray-800 placeholder-gray-400 focus:border-[#ff4d4f] focus:outline-none focus:ring-1 focus:ring-[#ff4d4f] dark:border-gray-600 dark:bg-gray-800 dark:text-gray-100"
              />
            </div>
            {mode === "register" && (
              <div>
                <label className="mb-1 block text-sm font-medium text-gray-700 dark:text-gray-300">确认密码</label>
                <input
                  type="password"
                  value={passwordConfirm}
                  onChange={(e) => setPasswordConfirm(e.target.value)}
                  placeholder="再次输入密码"
                  required
                  className="w-full rounded-lg border border-gray-200 px-4 py-2.5 text-gray-800 placeholder-gray-400 focus:border-[#ff4d4f] focus:outline-none focus:ring-1 focus:ring-[#ff4d4f] dark:border-gray-600 dark:bg-gray-800 dark:text-gray-100"
                />
              </div>
            )}
            {error && (
              <p className="rounded-lg bg-red-50 px-3 py-2 text-sm text-red-600 dark:bg-red-900/30 dark:text-red-400">{error}</p>
            )}
            <button
              type="submit"
              disabled={loading}
              className="w-full rounded-lg bg-[#ff4d4f] py-3 font-semibold text-white transition-colors hover:bg-[#ff3333] disabled:opacity-70"
            >
              {loading ? "处理中…" : mode === "login" ? "登录" : "注册"}
            </button>
          </form>

          <p className="mt-4 text-center text-sm text-gray-500 dark:text-gray-400">
            {mode === "login" ? (
              <>
                没有账号？{" "}
                <button
                  type="button"
                  onClick={() => { setMode("register"); setError(null); }}
                  className="font-medium text-[#ff4d4f] hover:text-[#ff7a45]"
                >
                  立即注册
                </button>
              </>
            ) : (
              <>
                已有账号？{" "}
                <button
                  type="button"
                  onClick={() => { setMode("login"); setError(null); }}
                  className="font-medium text-[#ff4d4f] hover:text-[#ff7a45]"
                >
                  去登录
                </button>
              </>
            )}
          </p>
        </div>
      </div>
    </div>
  );

  return createPortal(modalContent, document.body);
}