"use client";

import { useState, FormEvent } from "react";
import Link from "next/link";

const API_BASE_URL = process.env.NEXT_PUBLIC_API_BASE_URL || "http://localhost:8000/api/v1";

export default function ResendActivationPage() {
  const [email, setEmail] = useState("");
  const [error, setError] = useState("");
  const [loading, setLoading] = useState(false);
  const [success, setSuccess] = useState(false);

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

    try {
      const response = await fetch(`${API_BASE_URL}/auth/users/resend_activation/`, {
        method: "POST",
        headers: {
          "Content-Type": "application/json",
        },
        body: JSON.stringify({ email }),
      });

      if (response.ok || response.status === 204) {
        setSuccess(true);
      } else {
        const data = await response.json();
        setError(data.detail || data.email?.[0] || "Email gönderilemedi.");
      }
    } catch (err) {
      setError("Bir hata oluştu. Lütfen tekrar deneyin.");
      console.error("Resend activation error:", err);
    } finally {
      setLoading(false);
    }
  };

  if (success) {
    return (
      <div className="min-h-screen flex items-center justify-center bg-gray-50">
        <div className="max-w-md w-full space-y-8 p-8 bg-white rounded-lg shadow">
          <div className="text-center">
            <div className="mx-auto flex items-center justify-center h-12 w-12 rounded-full bg-green-100">
              <svg
                className="h-6 w-6 text-green-600"
                fill="none"
                stroke="currentColor"
                viewBox="0 0 24 24"
              >
                <path
                  strokeLinecap="round"
                  strokeLinejoin="round"
                  strokeWidth="2"
                  d="M5 13l4 4L19 7"
                />
              </svg>
            </div>
            <h2 className="mt-6 text-center text-3xl font-bold text-gray-900">
              Email Gönderildi!
            </h2>
            <p className="mt-2 text-center text-sm text-gray-600">
              Aktivasyon emaili başarıyla gönderildi. Lütfen email adresinizi kontrol edin.
            </p>
            <div className="mt-6">
              <Link
                href="/auth/login"
                className="inline-flex items-center px-4 py-2 border border-transparent text-sm font-medium rounded-md text-white bg-blue-600 hover:bg-blue-700"
              >
                Giriş Sayfasına Dön
              </Link>
            </div>
          </div>
        </div>
      </div>
    );
  }

  return (
    <div className="min-h-screen flex items-center justify-center bg-gray-50 py-12 px-4 sm:px-6 lg:px-8">
      <div className="max-w-md w-full space-y-8">
        <div>
          <h2 className="mt-6 text-center text-3xl font-bold text-gray-900">
            Aktivasyon Emaili Tekrar Gönder
          </h2>
          <p className="mt-2 text-center text-sm text-gray-600">
            Email adresinizi girin, size yeni bir aktivasyon linki gönderelim.
          </p>
        </div>
        <form className="mt-8 space-y-6" onSubmit={handleSubmit}>
          <div>
            <label htmlFor="email" className="block text-sm font-medium text-gray-700 mb-1">
              Email adresi
            </label>
            <input
              id="email"
              name="email"
              type="email"
              autoComplete="email"
              required
              className="appearance-none relative block w-full px-3 py-2 border border-gray-300 placeholder-gray-500 text-gray-900 rounded-md focus:outline-none focus:ring-blue-500 focus:border-blue-500 sm:text-sm"
              placeholder="ornek@email.com"
              value={email}
              onChange={(e) => setEmail(e.target.value)}
            />
          </div>

          {error && (
            <div className="rounded-md bg-red-50 p-4">
              <p className="text-sm text-red-800">{error}</p>
            </div>
          )}

          <div>
            <button
              type="submit"
              disabled={loading}
              className="group relative w-full flex justify-center py-2 px-4 border border-transparent text-sm font-medium rounded-md text-white bg-blue-600 hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500 disabled:opacity-50 disabled:cursor-not-allowed"
            >
              {loading ? "Gönderiliyor..." : "Aktivasyon Emaili Gönder"}
            </button>
          </div>

          <div className="text-center">
            <Link
              href="/auth/login"
              className="text-sm font-medium text-blue-600 hover:text-blue-500"
            >
              Giriş sayfasına dön
            </Link>
          </div>
        </form>
      </div>
    </div>
  );
}