import React from 'react';
import type { ComponentConfig } from '@measured/puck';
import {
  createDesignControlsFields,
  applyDesignControls,
  type DesignControlsProps,
} from '../../theme';
import { imagePickerField } from '../../fields/ImagePickerField';

export interface HeroCtaButton {
  text: string;
  href: string;
}

export interface HeroMedia {
  type: 'image' | 'none';
  src?: string;
  alt?: string;
}

export interface HeroProps extends DesignControlsProps {
  headline: string;
  subheadline: string;
  primaryCta: HeroCtaButton;
  secondaryCta?: HeroCtaButton;
  media?: HeroMedia;
  badge?: string;
  variant: 'centered' | 'split' | 'minimal';
  fullWidth?: boolean;
}

const HeroRender: React.FC<HeroProps> = (props) => {
  const {
    headline,
    subheadline,
    primaryCta,
    secondaryCta,
    media,
    badge,
    variant,
    fullWidth,
    ...designControls
  } = props;

  const applied = applyDesignControls(designControls);
  const isGradient = designControls.backgroundVariant === 'gradient';
  const isDark = isGradient || designControls.backgroundVariant === 'dark';

  const isSplit = variant === 'split';
  const isMinimal = variant === 'minimal';

  const containerClass = fullWidth
    ? 'w-full px-4 sm:px-6 lg:px-8'
    : `${applied.containerClassName || 'max-w-7xl'} mx-auto px-4 sm:px-6 lg:px-8`;

  return (
    <section
      id={designControls.anchorId || undefined}
      className={`relative overflow-hidden ${applied.className}`}
      style={applied.style}
    >
      {/* Overlay for background images */}
      {designControls.backgroundImage && designControls.overlayStrength && (
        <div
          className="absolute inset-0 bg-black pointer-events-none"
          style={{ opacity: designControls.overlayStrength / 100 }}
        />
      )}

      <div className={`relative ${containerClass} py-16 sm:py-24 lg:py-32`}>
        <div
          className={
            isSplit
              ? 'grid grid-cols-1 lg:grid-cols-2 gap-12 items-center'
              : 'text-center max-w-4xl mx-auto'
          }
        >
          <div>
            {/* Badge */}
            {badge && !isMinimal && (
              <div className={`mb-6 ${isSplit ? '' : ''}`}>
                <span
                  className={`inline-block px-4 py-1.5 rounded-full text-sm font-medium ${
                    isDark
                      ? 'bg-white/10 text-white border border-white/20'
                      : 'bg-primary-100 text-primary-700'
                  }`}
                >
                  {badge}
                </span>
              </div>
            )}

            {/* Headline */}
            <h1
              className={`text-4xl sm:text-5xl ${isMinimal ? '' : 'lg:text-6xl'} font-bold tracking-tight ${
                isDark ? 'text-white' : 'text-neutral-900'
              }`}
            >
              {headline}
            </h1>

            {/* Subheadline */}
            <p
              className={`mt-6 text-lg sm:text-xl ${isSplit ? '' : 'max-w-2xl mx-auto'} ${
                isDark ? 'text-white/80' : 'text-neutral-600'
              }`}
            >
              {subheadline}
            </p>

            {/* CTAs */}
            {(primaryCta?.text || secondaryCta?.text) && (
              <div
                className={`mt-10 flex flex-col sm:flex-row gap-4 ${
                  isSplit ? '' : 'items-center justify-center'
                }`}
              >
                {primaryCta?.text && (
                  <a
                    href={primaryCta.href || '#'}
                    className={`w-full sm:w-auto px-8 py-3 rounded-lg font-semibold text-center transition-colors ${
                      isDark
                        ? 'bg-white text-neutral-900 hover:bg-neutral-100'
                        : 'bg-primary-600 text-white hover:bg-primary-700'
                    }`}
                  >
                    {primaryCta.text}
                  </a>
                )}
                {secondaryCta?.text && (
                  <a
                    href={secondaryCta.href || '#'}
                    className={`w-full sm:w-auto px-8 py-3 rounded-lg font-semibold text-center transition-colors ${
                      isDark
                        ? 'bg-transparent text-white border border-white/30 hover:bg-white/10'
                        : 'bg-transparent text-neutral-700 border border-neutral-300 hover:bg-neutral-50'
                    }`}
                  >
                    {secondaryCta.text}
                  </a>
                )}
              </div>
            )}
          </div>

          {/* Media */}
          {media?.type === 'image' && media.src && (
            <div className={isSplit ? '' : 'mt-16'}>
              <div className={`relative ${isSplit ? '' : 'mx-auto max-w-5xl'}`}>
                <div
                  className={`rounded-xl overflow-hidden shadow-2xl ${
                    isDark ? 'ring-1 ring-white/10' : 'ring-1 ring-neutral-200'
                  }`}
                >
                  <img
                    src={media.src}
                    alt={media.alt || 'Hero image'}
                    className="w-full h-auto"
                  />
                </div>
              </div>
            </div>
          )}
        </div>
      </div>
    </section>
  );
};

const designControlFields = createDesignControlsFields();

export const Hero: ComponentConfig<HeroProps> = {
  label: 'Hero',
  fields: {
    headline: {
      type: 'text',
      label: 'Headline',
    },
    subheadline: {
      type: 'textarea',
      label: 'Subheadline',
    },
    primaryCta: {
      type: 'object',
      label: 'Primary Button',
      objectFields: {
        text: { type: 'text', label: 'Button Text' },
        href: { type: 'text', label: 'Button URL' },
      },
    },
    secondaryCta: {
      type: 'object',
      label: 'Secondary Button (optional)',
      objectFields: {
        text: { type: 'text', label: 'Button Text' },
        href: { type: 'text', label: 'Button URL' },
      },
    },
    media: {
      type: 'object',
      label: 'Media',
      objectFields: {
        type: {
          type: 'select',
          label: 'Type',
          options: [
            { label: 'None', value: 'none' },
            { label: 'Image', value: 'image' },
          ],
        },
        src: { ...imagePickerField, label: 'Image' },
        alt: { type: 'text', label: 'Alt Text' },
      },
    },
    badge: {
      type: 'text',
      label: 'Badge Text (optional)',
    },
    variant: {
      type: 'select',
      label: 'Layout Variant',
      options: [
        { label: 'Centered', value: 'centered' },
        { label: 'Split (text + media)', value: 'split' },
        { label: 'Minimal', value: 'minimal' },
      ],
    },
    fullWidth: {
      type: 'radio',
      label: 'Full Width',
      options: [
        { label: 'No', value: false },
        { label: 'Yes', value: true },
      ],
    },
    // Design Controls
    padding: designControlFields.padding,
    backgroundVariant: designControlFields.backgroundVariant,
    gradientPreset: designControlFields.gradientPreset,
    backgroundImage: designControlFields.backgroundImage,
    overlayStrength: designControlFields.overlayStrength,
    contentMaxWidth: designControlFields.contentMaxWidth,
    alignment: designControlFields.alignment,
    hideOnMobile: designControlFields.hideOnMobile,
    hideOnTablet: designControlFields.hideOnTablet,
    hideOnDesktop: designControlFields.hideOnDesktop,
    anchorId: designControlFields.anchorId,
  },
  defaultProps: {
    headline: 'Your headline goes here',
    subheadline: 'Add a compelling subheadline that describes what you offer.',
    primaryCta: {
      text: 'Get Started',
      href: '#',
    },
    variant: 'centered',
    fullWidth: false,
    backgroundVariant: 'none',
    padding: 'xl',
    contentMaxWidth: 'wide',
    alignment: 'center',
  },
  render: HeroRender,
};

export default Hero;