"use client"

import type React from "react"

import { useState } from "react"
import { useRouter } from "next/navigation"
import Link from "next/link"
import { Eye, EyeOff, Mail, Lock, User } from "lucide-react"

export default function RegisterPage() {
  const [email, setEmail] = useState("")
  const [fullName, setFullName] = useState("")
  const [password, setPassword] = useState("")
  const [confirmPassword, setConfirmPassword] = useState("")
  const [showPassword, setShowPassword] = useState(false)
  const [showConfirmPassword, setShowConfirmPassword] = useState(false)
  const [loading, setLoading] = useState(false)
  const [error, setError] = useState("")
  const [success, setSuccess] = useState("")

  const router = useRouter()

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

    if (password !== confirmPassword) {
      setError("Passwords do not match")
      setLoading(false)
      return
    }

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

      const data = await response.json()

      if (response.ok) {
        setSuccess(`Welcome, ${fullName}! Your account has been created successfully.`)
        setTimeout(() => {
          router.push("/auth/login")
        }, 1200)
      } else {
        setError(data.error || "Registration failed")
      }
    } catch (err) {
      setError("An error occurred. Please try again.")
    } finally {
      setLoading(false)
    }
  }

  return (
    <div className="min-h-screen flex items-center justify-center gradient-bg">
      <div className="max-w-md w-full mx-4">
        <div className="bg-white dark:bg-gray-900 rounded-2xl shadow-2xl p-8">
          <div className="text-center mb-8">
            <div className="h-12 w-12 mx-auto mb-4 rounded-xl gradient-bg flex items-center justify-center">
              <span className="text-white font-bold text-xl">B</span>
            </div>
            <h1 className="text-2xl font-bold text-foreground">Create Account</h1>
            <p className="text-muted-foreground mt-2">Join our community today</p>
          </div>

          {error && (
            <div className="mb-6 p-4 bg-red-50 dark:bg-red-900/20 border border-red-200 dark:border-red-800 rounded-lg">
              <p className="text-red-600 dark:text-red-400 text-sm">{error}</p>
            </div>
          )}

          {success && (
            <div className="mb-6 p-4 bg-green-50 dark:bg-green-900/20 border border-green-200 dark:border-green-800 rounded-lg">
              <p className="text-green-700 dark:text-green-400 text-sm">{success}</p>
            </div>
          )}

          <form onSubmit={handleSubmit} className="space-y-6">
            <div>
              <label htmlFor="fullName" className="block text-sm font-medium text-foreground mb-2">
                Full Name
              </label>
              <div className="relative">
                <User className="absolute left-3 top-1/2 transform -translate-y-1/2 h-5 w-5 text-muted-foreground" />
                <input
                  id="fullName"
                  type="text"
                  value={fullName}
                  onChange={(e) => setFullName(e.target.value)}
                  className="w-full pl-10 pr-4 py-3 border border-border rounded-lg focus:ring-2 focus:ring-primary focus:border-transparent bg-background text-foreground"
                  placeholder="Enter your full name"
                  required
                />
              </div>
            </div>

            <div>
              <label htmlFor="email" className="block text-sm font-medium text-foreground mb-2">
                Email Address
              </label>
              <div className="relative">
                <Mail className="absolute left-3 top-1/2 transform -translate-y-1/2 h-5 w-5 text-muted-foreground" />
                <input
                  id="email"
                  type="email"
                  value={email}
                  onChange={(e) => setEmail(e.target.value)}
                  className="w-full pl-10 pr-4 py-3 border border-border rounded-lg focus:ring-2 focus:ring-primary focus:border-transparent bg-background text-foreground"
                  placeholder="Enter your email"
                  required
                />
              </div>
            </div>

            <div>
              <label htmlFor="password" className="block text-sm font-medium text-foreground mb-2">
                Password
              </label>
              <div className="relative">
                <Lock className="absolute left-3 top-1/2 transform -translate-y-1/2 h-5 w-5 text-muted-foreground" />
                <input
                  id="password"
                  type={showPassword ? "text" : "password"}
                  value={password}
                  onChange={(e) => setPassword(e.target.value)}
                  className="w-full pl-10 pr-12 py-3 border border-border rounded-lg focus:ring-2 focus:ring-primary focus:border-transparent bg-background text-foreground"
                  placeholder="Create a password"
                  required
                />
                <button
                  type="button"
                  onClick={() => setShowPassword(!showPassword)}
                  className="absolute right-3 top-1/2 transform -translate-y-1/2 text-muted-foreground hover:text-foreground"
                >
                  {showPassword ? <EyeOff className="h-5 w-5" /> : <Eye className="h-5 w-5" />}
                </button>
              </div>
            </div>

            <div>
              <label
                htmlFor="confirmPassword"
                className="block text-sm font-medium text-foreground mb-2"
              >
                Confirm Password
              </label>
              <div className="relative">
                <Lock className="absolute left-3 top-1/2 transform -translate-y-1/2 h-5 w-5 text-muted-foreground" />
                <input
                  id="confirmPassword"
                  type={showConfirmPassword ? "text" : "password"}
                  value={confirmPassword}
                  onChange={(e) => setConfirmPassword(e.target.value)}
                  className="w-full pl-10 pr-12 py-3 border border-border rounded-lg focus:ring-2 focus:ring-primary focus:border-transparent bg-background text-foreground"
                  placeholder="Confirm your password"
                  required
                />
                <button
                  type="button"
                  onClick={() => setShowConfirmPassword(!showConfirmPassword)}
                  className="absolute right-3 top-1/2 transform -translate-y-1/2 text-muted-foreground hover:text-foreground"
                >
                  {showConfirmPassword ? <EyeOff className="h-5 w-5" /> : <Eye className="h-5 w-5" />}
                </button>
              </div>
            </div>

            <button
              type="submit"
              disabled={loading}
              className="w-full py-3 px-4 btn-gradient text-white font-medium rounded-lg hover:shadow-lg transition-all disabled:opacity-50 disabled:cursor-not-allowed"
            >
              {loading ? "Creating Account..." : "Create Account"}
            </button>
          </form>

          <div className="mt-6 text-center">
            <p className="text-muted-foreground">
              Already have an account?{" "}
              <Link href="/auth/login" className="text-primary hover:text-primary/80 font-medium">
                Sign in
              </Link>
            </p>
          </div>

          <div className="mt-4 text-center">
            <Link href="/" className="text-muted-foreground hover:text-foreground text-sm">
              ← Back to Home
            </Link>
          </div>
        </div>
      </div>
    </div>
  )
}