'use client';

import Image from 'next/image';
import Link from 'next/link';

import { Trans } from '@lingui/macro';
import type { Variants } from 'framer-motion';
import { motion } from 'framer-motion';
import { usePlausible } from 'next-plausible';
import { LuGithub } from 'react-icons/lu';
import { match } from 'ts-pattern';

import backgroundPattern from '@documenso/assets/images/background-pattern.png';
import { useFeatureFlags } from '@documenso/lib/client-only/providers/feature-flag';
import { cn } from '@documenso/ui/lib/utils';
import { Button } from '@documenso/ui/primitives/button';

import { Carousel } from './carousel';

export type HeroProps = {
  className?: string;
  [key: string]: unknown;
};

const BackgroundPatternVariants: Variants = {
  initial: {
    opacity: 0,
  },

  animate: {
    opacity: 1,

    transition: {
      delay: 1,
      duration: 1.2,
    },
  },
};

const HeroTitleVariants: Variants = {
  initial: {
    opacity: 0,
    y: 60,
  },
  animate: {
    opacity: 1,
    y: 0,
    transition: {
      duration: 0.5,
    },
  },
};

const HeroCarouselVariants: Variants = {
  initial: {
    opacity: 0,
    y: 60,
  },
  animate: {
    opacity: 1,
    y: 0,
    transition: {
      delay: 0.5,
      duration: 0.8,
    },
  },
};

export const Hero = ({ className, ...props }: HeroProps) => {
  const event = usePlausible();

  const { getFlag } = useFeatureFlags();

  const heroMarketingCTA = getFlag('marketing_landing_hero_cta');

  return (
    <motion.div className={cn('relative', className)} {...props}>
      <div className="absolute -inset-24 -z-10">
        <motion.div
          className="flex h-full w-full origin-top-right items-center justify-center"
          variants={BackgroundPatternVariants}
          initial="initial"
          animate="animate"
        >
          <Image
            src={backgroundPattern}
            alt="background pattern"
            className="-mr-[50vw] -mt-[15vh] h-full scale-125 object-cover dark:contrast-[70%] dark:invert dark:sepia md:scale-150 lg:scale-[175%]"
          />
        </motion.div>
      </div>

      <div className="relative">
        <motion.h2
          variants={HeroTitleVariants}
          initial="initial"
          animate="animate"
          className="text-center text-4xl font-bold leading-tight tracking-tight md:text-[48px] lg:text-[64px]"
        >
          <Trans>
            Document signing,
            <span className="block" />
            finally open source.
          </Trans>
        </motion.h2>

        <motion.div
          variants={HeroTitleVariants}
          initial="initial"
          animate="animate"
          className="mt-8 flex flex-wrap items-center justify-center gap-x-6 gap-y-4"
        >
          <Link href="https://app.documenso.com/signup?utm_source=marketing-hero">
            <Button
              type="button"
              variant="outline"
              className="rounded-full bg-transparent backdrop-blur-sm"
            >
              <Trans>Try our Free Plan</Trans>
              <span className="bg-primary dark:text-background -mr-2.5 ml-2.5 rounded-full px-2 py-1.5 text-xs font-medium">
                <Trans>No Credit Card required</Trans>
              </span>
            </Button>
          </Link>
          <Link href="https://github.com/documenso/documenso" onClick={() => event('view-github')}>
            <Button variant="outline" className="rounded-full bg-transparent backdrop-blur-sm">
              <LuGithub className="mr-2 h-5 w-5" />
              <Trans>Star on GitHub</Trans>
            </Button>
          </Link>
        </motion.div>

        {match(heroMarketingCTA)
          .with('productHunt', () => (
            <motion.div
              variants={HeroTitleVariants}
              initial="initial"
              animate="animate"
              className="mt-8 flex flex-col items-center justify-center gap-x-6 gap-y-4"
            >
              <Link
                href="https://www.producthunt.com/posts/documenso?utm_source=badge-top-post-badge&utm_medium=badge&utm_souce=badge-documenso"
                target="_blank"
              >
                <img
                  src="https://api.producthunt.com/widgets/embed-image/v1/top-post-badge.svg?post_id=395047&theme=light&period=daily"
                  alt="Documenso - The open source DocuSign alternative | Product Hunt"
                  style={{ width: '250px', height: '54px' }}
                />
              </Link>
            </motion.div>
          ))
          .otherwise(() => null)}

        <motion.div
          className="mt-12"
          variants={HeroCarouselVariants}
          initial="initial"
          animate="animate"
        >
          <Carousel />
        </motion.div>
      </div>
    </motion.div>
  );
};