"use client"
import { useState } from "react"
import { useRouter } from "next/navigation"
import Link from "next/link"

export default function LoginPage() {
  const router = useRouter()
  const [form, setForm] = useState({ email: "", password: "" })
  const [loading, setLoading] = useState(false)
  const [error, setError] = useState("")

  const handleSubmit = async (e: React.FormEvent) => {
    e.preventDefault()
    setLoading(true)
    setError("")
    
    try {
      const res = await fetch("/api/auth/login", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify(form)
      })
      if (res.ok) {
        router.push("/autojobs/dashboard")
      } else {
        setError("Invalid email or password")
      }
    } catch {
      setError("Network error")
    }
    setLoading(false)
  }

  return (
    <div className="min-h-screen bg-slate-900 flex items-center justify-center px-4">
      <div className="w-full max-w-md">
        <div className="text-center mb-8">
          <Link href="/autojobs" className="text-2xl font-bold text-white">
            Auto<span className="text-blue-400">Jobs</span>
          </Link>
          <p className="text-slate-400 mt-2">Welcome back</p>
        </div>
        
        <form onSubmit={handleSubmit} className="bg-slate-800 rounded-2xl p-8 border border-slate-700">
          {error && (
            <div className="mb-4 p-3 bg-red-500/20 border border-red-500/30 rounded-lg text-red-400 text-sm">
              {error}
            </div>
          )}
          
          <div className="space-y-4">
            <div>
              <label className="block text-sm text-slate-400 mb-1">Email</label>
              <input
                required
                type="email"
                value={form.email}
                onChange={e => setForm({...form, email: e.target.value})}
                className="w-full px-4 py-3 bg-slate-700 border border-slate-600 rounded-xl text-white placeholder-slate-500 focus:outline-none focus:border-blue-500"
                placeholder="you@example.com"
              />
            </div>
            
            <div>
              <label className="block text-sm text-slate-400 mb-1">Password</label>
              <input
                required
                type="password"
                value={form.password}
                onChange={e => setForm({...form, password: e.target.value})}
                className="w-full px-4 py-3 bg-slate-700 border border-slate-600 rounded-xl text-white placeholder-slate-500 focus:outline-none focus:border-blue-500"
                placeholder="••••••••"
              />
            </div>
          </div>
          
          <button
            type="submit"
            disabled={loading}
            className="w-full mt-6 py-3 bg-blue-500 hover:bg-blue-600 disabled:bg-slate-600 text-white rounded-xl font-semibold transition"
          >
            {loading ? "Signing in..." : "Sign In"}
          </button>
        </form>
        
        <p className="text-center text-slate-400 mt-6 text-sm">
          Don't have an account? <Link href="/autojobs/signup" className="text-blue-400 hover:underline">Sign up free</Link>
        </p>
      </div>
    </div>
  )
}