'use client'

import React, { useState } from 'react'
import { signIn } from 'next-auth/react'
import { useRouter } from 'next/navigation'

interface LoginFormProps {
  messages: {
    common: {
      email: string
      password: string
    }
    login: {
      emailPlaceholder: string
      passwordPlaceholder: string
      button: string
      loading: string
      error: string
      invalidCredentials: string
    }
  }
}

export default function LoginForm({ messages }: LoginFormProps) {
  const router = useRouter()
  const [error, setError] = useState<string | null>(null)
  const [loading, setLoading] = useState(false)

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

    try {
      const formData = new FormData(e.currentTarget)
      const email = formData.get('email') as string
      const password = formData.get('password') as string

      console.log('Giriş denemesi:', email)

      const result = await signIn('credentials', {
        email,
        password,
        redirect: false
      })

      console.log('Giriş sonucu:', result)

      if (result?.error) {
        console.error('Giriş hatası:', result.error)
        setError(messages.login.invalidCredentials)
        return
      }

      if (!result?.ok) {
        console.error('Giriş başarısız:', result)
        setError(messages.login.error)
        return
      }

      console.log('Giriş başarılı, yönlendiriliyor...')
      router.push('/dashboard')
    } catch (error) {
      console.error('Beklenmeyen giriş hatası:', error)
      setError(messages.login.error)
    } finally {
      setLoading(false)
    }
  }

  return (
    <form className="mt-8 space-y-6" onSubmit={handleSubmit}>
      <div className="rounded-md shadow-sm -space-y-px">
        <div>
          <label htmlFor="email" className="sr-only">
            {messages.common.email}
          </label>
          <input
            id="email"
            name="email"
            type="email"
            autoComplete="email"
            required
            className="appearance-none rounded-none relative block w-full px-3 py-2 border border-gray-300 placeholder-gray-500 text-gray-900 rounded-t-md focus:outline-none focus:ring-indigo-500 focus:border-indigo-500 focus:z-10 sm:text-sm"
            placeholder={messages.login.emailPlaceholder}
          />
        </div>
        <div>
          <label htmlFor="password" className="sr-only">
            {messages.common.password}
          </label>
          <input
            id="password"
            name="password"
            type="password"
            autoComplete="current-password"
            required
            className="appearance-none rounded-none relative block w-full px-3 py-2 border border-gray-300 placeholder-gray-500 text-gray-900 rounded-b-md focus:outline-none focus:ring-indigo-500 focus:border-indigo-500 focus:z-10 sm:text-sm"
            placeholder={messages.login.passwordPlaceholder}
          />
        </div>
      </div>

      {error && (
        <div className="rounded-md bg-red-50 p-4">
          <div className="flex">
            <div className="flex-shrink-0">
              <svg className="h-5 w-5 text-red-400" viewBox="0 0 20 20" fill="currentColor">
                <path fillRule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zM8.707 7.293a1 1 0 00-1.414 1.414L8.586 10l-1.293 1.293a1 1 0 101.414 1.414L10 11.414l1.293 1.293a1 1 0 001.414-1.414L11.414 10l1.293-1.293a1 1 0 00-1.414-1.414L10 8.586 8.707 7.293z" clipRule="evenodd" />
              </svg>
            </div>
            <div className="ml-3">
              <p className="text-sm text-red-700">{error}</p>
            </div>
          </div>
        </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 ${
            loading ? 'bg-indigo-400' : 'bg-indigo-600 hover:bg-indigo-700'
          } focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500`}
        >
          {loading ? (
            <div className="flex items-center">
              <svg className="animate-spin -ml-1 mr-3 h-5 w-5 text-white" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24">
                <circle className="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="4"></circle>
                <path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
              </svg>
              {messages.login.loading}
            </div>
          ) : (
            messages.login.button
          )}
        </button>
      </div>
    </form>
  )
}