import { Button } from "@/components/ui/button";
import { Input } from "@/components/ui/input";
import { Label } from "@/components/ui/label";
import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
import { Eye, EyeOff, Loader2 } from "lucide-react";
import { LoginFormData } from "@/types/auth";
import { ErrorMessage } from "./ErrorMessage";
import { useRouter } from "next/navigation";

interface LoginFormProps {
  formData: LoginFormData;
  isLoading: boolean;
  error: string;
  showPassword: boolean;
  onInputChange: (e: React.ChangeEvent<HTMLInputElement>) => void;
  onSubmit: (e: React.FormEvent) => void;
  onTogglePassword: () => void;
}

/**
 * 로그인 폼 컴포넌트
 */
export function LoginForm({
  formData,
  isLoading,
  error,
  showPassword,
  onInputChange,
  onSubmit,
  onTogglePassword,
}: LoginFormProps) {
  const router = useRouter();

  return (
    <Card className="border-0 shadow-xl">
      <CardHeader className="space-y-1">
        <CardTitle className="text-center text-2xl">로그인</CardTitle>
        <CardDescription className="text-center">계정 정보를 입력해주세요</CardDescription>
      </CardHeader>
      <CardContent>
        <ErrorMessage message={error} />

        <form onSubmit={onSubmit} className="space-y-4">
          {/* 연결 테스트 버튼 */}

          {/* 사용자 ID */}
          <div className="space-y-2">
            <Label htmlFor="userId">사용자 ID</Label>
            <Input
              id="userId"
              name="userId"
              type="text"
              placeholder="사용자 ID를 입력하세요"
              value={formData.userId}
              onChange={onInputChange}
              disabled={isLoading}
              className="h-11"
              required
            />
          </div>

          {/* 비밀번호 */}
          <div className="space-y-2">
            <Label htmlFor="password">비밀번호</Label>
            <div className="relative">
              <Input
                id="password"
                name="password"
                type={showPassword ? "text" : "password"}
                placeholder="비밀번호를 입력하세요"
                value={formData.password}
                onChange={onInputChange}
                disabled={isLoading}
                className="h-11 pr-10"
                required
              />
              <button
                type="button"
                onClick={onTogglePassword}
                className="absolute top-1/2 right-3 -translate-y-1/2 transform text-slate-400 transition-colors hover:text-slate-600"
                disabled={isLoading}
              >
                {showPassword ? <EyeOff className="h-4 w-4" /> : <Eye className="h-4 w-4" />}
              </button>
            </div>
          </div>

          {/* 로그인 버튼 */}
          <Button
            type="submit"
            className="h-11 w-full bg-slate-900 font-medium text-white hover:bg-slate-800"
            disabled={isLoading}
          >
            {isLoading ? (
              <>
                <Loader2 className="mr-2 h-4 w-4 animate-spin" />
                로그인 중...
              </>
            ) : (
              "로그인"
            )}
          </Button>

          {/* 회원가입 버튼 */}
          <Button
            type="button"
            variant="outline"
            className="h-11 w-full font-medium"
            onClick={() => router.push("/signup")}
            disabled={isLoading}
          >
            회원가입
          </Button>
        </form>
      </CardContent>
    </Card>
  );
}