"use client"

import type React from "react"

import { useState } from "react"
import { useRouter } from "next/navigation"
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 { Alert, AlertDescription } from "@/components/ui/alert"

export default function LoginPage() {
  const [nationalId, setNationalId] = useState("")
  const [password, setPassword] = useState("")
  const [error, setError] = useState("")
  const [loading, setLoading] = useState(false)
  const router = useRouter()

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

    try {
      const response = await fetch("/api/auth/login", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ nationalId, password }),
      })

      const data = await response.json()

      if (response.ok) {
        localStorage.setItem("user", JSON.stringify(data.user))

        // Check if user must change password
        if (data.user.must_change_password) {
          router.push("/change-password")
        } else {
          router.push("/dashboard")
        }
      } else {
        setError(data.error || "שגיאה בהתחברות")
      }
    } catch (err) {
      setError("שגיאה בחיבור לשרת")
    } finally {
      setLoading(false)
    }
  }

  return (
    <div className="min-h-screen flex items-center justify-center bg-gray-50" dir="rtl">
      <Card className="w-full max-w-md">
        <CardHeader className="text-center">
          <CardTitle className="text-2xl font-bold">התחברות לממ"ד</CardTitle>
          <CardDescription>יש להזדהות על מנת להמשיך.</CardDescription>
        </CardHeader>
        <CardContent>
          <form onSubmit={handleSubmit} className="space-y-4">
            <div className="space-y-2">
              <Label htmlFor="nationalId">מזהה משתמש</Label>
              <Input
                id="nationalId"
                type="text"
                value={nationalId}
                onChange={(e) => setNationalId(e.target.value)}
                placeholder="9 ספרות"
                maxLength={9}
                required
                className="text-right"
                dir="rtl"
              />
            </div>
            <div className="space-y-2">
              <Label htmlFor="password">סיסמה</Label>
              <Input
                id="password"
                type="password"
                value={password}
                onChange={(e) => setPassword(e.target.value)}
                placeholder="הזינו סיסמה"
                required
              />
            </div>
            {error && (
              <Alert variant="destructive">
                <AlertDescription>{error}</AlertDescription>
              </Alert>
            )}
            <Button type="submit" className="w-full" disabled={loading}>
              {loading ? "מתחבר..." : "התחברו"}
            </Button>
          </form>
        </CardContent>
      </Card>
    </div>
  )
}
