"use client"

import type React from "react"

import { useState } from "react"
import Link from "next/link"
import { Button } from "@/components/ui/button"
import { Input } from "@/components/ui/input"
import { Label } from "@/components/ui/label"
import { Card, CardContent, CardDescription, CardFooter, CardHeader, CardTitle } from "@/components/ui/card"
import { Alert, AlertDescription } from "@/components/ui/alert"
import { Eye, EyeOff, MessageCircle } from "lucide-react"

export default function SignUpPage() {
  const [formData, setFormData] = useState({
    firstName: "",
    lastName: "",
    email: "",
    password: "",
    confirmPassword: "",
  })
  const [showPassword, setShowPassword] = useState(false)
  const [showConfirmPassword, setShowConfirmPassword] = useState(false)
  const [isLoading, setIsLoading] = useState(false)
  const [error, setError] = useState("")

  const handleChange = (e: React.ChangeEvent<HTMLInputElement>) => {
    setFormData((prev) => ({
      ...prev,
      [e.target.name]: e.target.value,
    }))
  }

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

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

    if (formData.password.length < 6) {
      setError("Password must be at least 6 characters long")
      setIsLoading(false)
      return
    }

    try {
      // TODO: Implement actual registration logic
      console.log("Sign up attempt:", formData)
      // Simulate API call
      await new Promise((resolve) => setTimeout(resolve, 1000))

      // For now, just redirect to sign in
      window.location.href = "/auth/signin"
    } catch (err) {
      setError("Failed to create account. Please try again.")
    } finally {
      setIsLoading(false)
    }
  }

  return (
    <div className="min-h-screen flex items-center justify-center bg-background p-4">
      <Card className="w-full max-w-md">
        <CardHeader className="text-center">
          <div className="flex justify-center mb-4">
            <div className="p-3 bg-primary rounded-full">
              <MessageCircle className="h-8 w-8 text-primary-foreground" />
            </div>
          </div>
          <CardTitle className="text-2xl font-bold">Create Account</CardTitle>
          <CardDescription>Join our messenger community</CardDescription>
        </CardHeader>
        <CardContent>
          <form onSubmit={handleSubmit} className="space-y-4">
            {error && (
              <Alert variant="destructive">
                <AlertDescription>{error}</AlertDescription>
              </Alert>
            )}

            <div className="grid grid-cols-2 gap-4">
              <div className="space-y-2">
                <Label htmlFor="firstName">First Name</Label>
                <Input
                  id="firstName"
                  name="firstName"
                  placeholder="John"
                  value={formData.firstName}
                  onChange={handleChange}
                  required
                />
              </div>
              <div className="space-y-2">
                <Label htmlFor="lastName">Last Name</Label>
                <Input
                  id="lastName"
                  name="lastName"
                  placeholder="Doe"
                  value={formData.lastName}
                  onChange={handleChange}
                  required
                />
              </div>
            </div>

            <div className="space-y-2">
              <Label htmlFor="email">Email</Label>
              <Input
                id="email"
                name="email"
                type="email"
                placeholder="john@example.com"
                value={formData.email}
                onChange={handleChange}
                required
              />
            </div>

            <div className="space-y-2">
              <Label htmlFor="password">Password</Label>
              <div className="relative">
                <Input
                  id="password"
                  name="password"
                  type={showPassword ? "text" : "password"}
                  placeholder="Create a password"
                  value={formData.password}
                  onChange={handleChange}
                  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>

            <div className="space-y-2">
              <Label htmlFor="confirmPassword">Confirm Password</Label>
              <div className="relative">
                <Input
                  id="confirmPassword"
                  name="confirmPassword"
                  type={showConfirmPassword ? "text" : "password"}
                  placeholder="Confirm your password"
                  value={formData.confirmPassword}
                  onChange={handleChange}
                  required
                />
                <Button
                  type="button"
                  variant="ghost"
                  size="sm"
                  className="absolute right-0 top-0 h-full px-3 py-2 hover:bg-transparent"
                  onClick={() => setShowConfirmPassword(!showConfirmPassword)}
                >
                  {showConfirmPassword ? <EyeOff className="h-4 w-4" /> : <Eye className="h-4 w-4" />}
                </Button>
              </div>
            </div>

            <Button type="submit" className="w-full" disabled={isLoading}>
              {isLoading ? "Creating Account..." : "Create Account"}
            </Button>
          </form>
        </CardContent>
        <CardFooter className="text-center">
          <p className="text-sm text-muted-foreground">
            Already have an account?{" "}
            <Link href="/auth/signin" className="text-primary hover:underline">
              Sign in
            </Link>
          </p>
        </CardFooter>
      </Card>
    </div>
  )
}