CTA Card

'use client';

import { cn } from '@/lib/utils';
import Image from 'next/image';

import { Button } from '@/components/ui/button';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { Input } from '@/components/ui/input';
import { Label } from '@/components/ui/label';
import { useState } from 'react';

interface CTACardProps {
  /** The main headline or title for the CTA. */
  title: string;
  /** A short description supporting the title. */
  description: string;
  /** The source URL for the image. */
  imageSrc: string;
  /** Alt text for the image, for accessibility. */
  imageAlt?: string;
  /** Placeholder text for the email input field. */
  inputPlaceholder?: string;
  /** Text displayed on the submission button. */
  buttonText?: string;
  /** Callback function executed when the form is submitted. */
  onSubmit: (email: string) => void;
  /** Optional additional class names to apply to the root card element for custom styling. */
  className?: string;
}

/**
 * A responsive Call-to-Action (CTA) card component.
 * It displays an image alongside a title, description, and an email subscription form.
 * Designed to be theme-aware and fully customizable through props.
 */
export function CTACard({
  title,
  description,
  imageSrc,
  imageAlt = 'Promotional image',
  inputPlaceholder = 'name@email.com',
  buttonText = 'Subscribe',
  onSubmit,
  className,
}: CTACardProps) {
  const [email, setEmail] = useState('');

  const handleSubmit = (event: React.FormEvent<HTMLFormElement>) => {
    event.preventDefault();
    onSubmit(email);
    setEmail('');
  };

  return (
    <Card
      className={cn(
        'w-full max-w-4xl overflow-hidden p-3 border rounded-3xl',
        className
      )}
    >
      {/* 
        DECISION: A 16-column grid is used on desktop to allow for fine-grained,
        asymmetrical layouts (e.g., the 7/9 split used here) that a standard
        12-column grid might not accommodate as cleanly.
      */}
      <div className='grid grid-cols-1 md:grid-cols-16 gap-3'>
        <div className='relative h-64 md:h-auto rounded-2xl md:col-span-7'>
          <Image
            src={imageSrc}
            alt={imageAlt}
            fill
            className='object-cover rounded-2xl'
          />
        </div>

        <div className='flex flex-col w-full justify-start items-start rounded-2xl border md:col-span-9 p-6 md:p-8 gap-8 md:gap-16 lg:gap-20 bg-secondary'>
          <CardHeader className='w-full p-0'>
            <CardTitle className='text-2xl md:text-3xl font-bold'>
              {title}
            </CardTitle>
          </CardHeader>
          <CardContent className='flex w-full flex-col gap-2 p-0'>
            <Label className='text-muted-foreground'>{description}</Label>
            <form
              onSubmit={handleSubmit}
              className='mt-2 flex w-full flex-col sm:flex-row sm:space-x-2 space-y-2 sm:space-y-0'
            >
              <Input
                type='email'
                placeholder={inputPlaceholder}
                value={email}
                onChange={(e) => setEmail(e.target.value)}
                className='flex-1 text-base'
                aria-label='Email for newsletter'
                required
              />
              <Button type='submit'>{buttonText}</Button>
            </form>
          </CardContent>
        </div>
      </div>
    </Card>
  );
}

import { CTACard } from '@/components/ui/cta-card';

export default function MyPage() {
  const handleSubscription = (email: string) => {
    // Replace with your actual subscription logic
    alert(`Subscribing with: ${email}`);
  };

  return (
    <div className='w-full p-4 flex flex-col items-center gap-8 bg-background'>
      {/* Example: Customized Usage */}
      <CTACard
        title='Unlock Exclusive Content'
        description='Become a premium member to access our full library of resources and tools.'
        imageSrc='https://images.unsplash.com/photo-1611974789855-9c2a0a7236a3'
        imageAlt='Abstract financial graph'
        inputPlaceholder='your-best@email.com'
        buttonText='Get Access Now'
        onSubmit={handleSubscription}
        className='border-primary'
      />
    </div>
  );
}