"use client"

import type React from "react"

import { useState } from "react"
import { Button } from "@/components/ui/button"
import { Input } from "@/components/ui/input"
import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card"
import { Alert, AlertDescription } from "@/components/ui/alert"
import { Eye, EyeOff, Shield } from "lucide-react"
import { useRouter } from "next/navigation"

export default function AdminLogin() {
  const [email, setEmail] = useState("")
  const [password, setPassword] = useState("")
  const [showPassword, setShowPassword] = useState(false)
  const [loading, setLoading] = useState(false)
  const [error, setError] = useState("")
  const router = useRouter()

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

    try {
      // Simulate admin login
      if (email === "admin@fanaka.edu.ng" && password === "admin123") {
        // Store admin session
        localStorage.setItem("adminSession", "true")
        router.push("/admin")
      } else {
        setError("Invalid admin credentials")
      }
    } catch (err) {
      setError("Login failed. Please try again.")
    } finally {
      setLoading(false)
    }
  }

  return (
    <div className="min-h-screen bg-gradient-to-br from-primary/10 via-white to-accent/10 flex items-center justify-center p-4">
      <Card className="w-full max-w-md">
        <CardHeader className="text-center">
          <div className="mx-auto h-12 w-12 bg-primary rounded-lg flex items-center justify-center mb-4">
            <Shield className="h-6 w-6 text-white" />
          </div>
          <CardTitle className="text-2xl">Admin Login</CardTitle>
          <CardDescription>Sign in to access the Fanaka University admin panel</CardDescription>
        </CardHeader>
        <CardContent>
          <form onSubmit={handleSubmit} className="space-y-4">
            {error && (
              <Alert variant="destructive">
                <AlertDescription>{error}</AlertDescription>
              </Alert>
            )}

            <div className="space-y-2">
              <label htmlFor="email" className="text-sm font-medium">
                Admin Email
              </label>
              <Input
                id="email"
                type="email"
                value={email}
                onChange={(e) => setEmail(e.target.value)}
                placeholder="admin@fanaka.edu.ng"
                required
              />
            </div>

            <div className="space-y-2">
              <label htmlFor="password" className="text-sm font-medium">
                Password
              </label>
              <div className="relative">
                <Input
                  id="password"
                  type={showPassword ? "text" : "password"}
                  value={password}
                  onChange={(e) => setPassword(e.target.value)}
                  placeholder="Enter your password"
                  required
                />
                <Button
                  type="button"
                  variant="ghost"
                  size="sm"
                  className="absolute right-0 top-0 h-full px-3 py-2 hover:bg-transparent"
                  onClick={() => setShowPassword(!showPassword)}
                >
                  {showPassword ? <EyeOff className="h-4 w-4" /> : <Eye className="h-4 w-4" />}
                </Button>
              </div>
            </div>

            <Button type="submit" className="w-full" disabled={loading}>
              {loading ? "Signing in..." : "Sign In"}
            </Button>
          </form>

          <div className="mt-6 text-center">
            <p className="text-sm text-gray-600">Demo credentials: admin@fanaka.edu.ng / admin123</p>
          </div>
        </CardContent>
      </Card>
    </div>
  )
}