"use client";
import Autoplay from "embla-carousel-autoplay";
import {
  ArrowRight,
  Blend,
  ChartNoAxesColumn,
  CircleDot,
  Diamond,
} from "lucide-react";
import { useEffect, useState } from "react";

import { Button } from "@/components/ui/button";
import type { CarouselApi } from "@/components/ui/carousel";
import {
  Carousel,
  CarouselContent,
  CarouselItem,
} from "@/components/ui/carousel";
import type { HeroFeatureIconsProps, Image } from "@/lib/hero-feature-icons";
import { cn } from "@/lib/utils";

// Extended Image type with optional label for carousel indicators
type ImageWithLabel = Image & { label?: string };

const DEFAULT_FEATURES = [
  {
    title: "گردش‌کارهای سفارشی",
    description:
      "پیشرفت وظایف را در گردش‌کارهای سفارشی تیم خود مدیریت کنید.",
    icon: CircleDot,
  },
  {
    title: "نقاط عطف",
    description: "پروژه‌ها را به فازهای مشخص تقسیم کنید.",
    icon: Diamond,
  },
  {
    title: "پروژه‌های بین‌تیمی",
    description: "همکاری میان تیم‌ها و واحدهای مختلف را ساده‌تر کنید.",
    icon: Blend,
  },
  {
    title: "بینش پیشرفت",
    description: "وضعیت پروژه، سرعت اجرا و میزان پیشرفت را به‌صورت مستمر بررسی کنید.",
    icon: ChartNoAxesColumn,
  },
];

const DEFAULT_IMAGES: [ImageWithLabel, ...ImageWithLabel[]] = [
  {
    src: "/block-media/shadcnblocks/block/placeholder-1.svg",
    alt: "پیش‌نمایش کانبان",
    label: "کانبان",
  },
  {
    src: "/block-media/shadcnblocks/block/placeholder-2.svg",
    alt: "پیش‌نمایش فهرست مسائل",
    label: "مسائل",
  },
  {
    src: "/block-media/shadcnblocks/block/placeholder-3.svg",
    alt: "پیش‌نمایش افزودن مسئله",
    label: "افزودن مسئله",
  },
];

const Hero187a = ({
  heading = "بلاک‌های آماده برای پروژه بعدی شما",
  description =
    "ابزار مناسب برای برنامه‌ریزی و ساخت محصولات نرم‌افزاری مدرن.",
  buttonPrimary = { text: "شروع رایگان", href: "#" },
  buttonSecondary = { text: "مستندات", href: "#" },
  features = DEFAULT_FEATURES,
  images = DEFAULT_IMAGES,
  className,
}: HeroFeatureIconsProps) => {
  const [currentSlide, setCurrentSlide] = useState(0);
  const [api, setApi] = useState<CarouselApi>();

  useEffect(() => {
    if (!api) {
      return;
    }

    api.on("select", () => {
      setCurrentSlide(api.selectedScrollSnap());
    });
  }, [api]);

  const activeImages = images ?? DEFAULT_IMAGES;

  return (
    <section className={cn("relative overflow-hidden py-32", className)}>
      <div className="container">
        {/* Carousel Section */}
        <div className="relative mb-16">
          <Carousel
            className="mx-auto"
            setApi={setApi}
            opts={{
              loop: true,
              direction: "rtl",
              align: "start",
            }}
            plugins={[Autoplay({ delay: 4000, stopOnInteraction: true })]}
          >
            <CarouselContent>
              {activeImages.map((image, index) => (
                <CarouselItem key={index}>
                  <img
                    src={image.src}
                    alt={image.alt}
                    className="aspect-video w-full rounded-2xl object-contain"
                  />
                </CarouselItem>
              ))}
            </CarouselContent>
          </Carousel>

          <SlideIndicator
            currentSlide={currentSlide}
            images={activeImages}
            className="mt-8"
            api={api}
          />
        </div>

        {/* Content Section */}
        <div className="space-y-12 text-center">
          <div className="mx-auto max-w-4xl">
            <h1 className="text-3xl font-semibold tracking-tight sm:text-xl md:text-2xll lg:text-2xll">
              {heading}
            </h1>

            <p className="mt-6 text-xl font-medium text-muted-foreground lg:text-xl">
              {description}
            </p>
          </div>

          {/* Features */}
          <div
            className={cn(
              "mx-auto grid max-w-6xl gap-8",
              features?.length === 1 && "max-w-xs grid-cols-1",
              features?.length === 2 && "max-w-2xl grid-cols-1 md:grid-cols-2",
              features?.length === 3 && "max-w-4xl grid-cols-1 md:grid-cols-3",
              features?.length === 4 &&
                "grid-cols-1 md:grid-cols-2 lg:grid-cols-4",
              (features?.length ?? 0) > 4 &&
                "grid-cols-1 md:grid-cols-2 lg:grid-cols-4",
            )}
          >
            {features?.map((feature) => {
              const Icon = feature.icon;
              return (
                <div key={feature.title} className="space-y-4 text-center">
                  <div className="flex justify-center">
                    <Icon className="size-8 text-primary" />
                  </div>
                  <div>
                    <h2 className="text-lg font-semibold">{feature.title}</h2>
                    <p className="mt-2 text-sm text-muted-foreground">
                      {feature.description}
                    </p>
                  </div>
                </div>
              );
            })}
          </div>

          <div className="flex flex-wrap items-center justify-center gap-4">
            {buttonPrimary && (
              <Button asChild size="lg" aria-label={buttonPrimary.text}>
                <a href={buttonPrimary.href}>{buttonPrimary.text}</a>
              </Button>
            )}
            {buttonSecondary && (
              <Button
                asChild
                aria-label={buttonSecondary.text}
                variant="outline"
                size="lg"
              >
                <a href={buttonSecondary.href}>
                  <span className="flex items-center gap-2">
                    {buttonSecondary.text}
                    <ArrowRight className="size-4 rtl:rotate-180" />
                  </span>
                </a>
              </Button>
            )}
          </div>
        </div>
      </div>
    </section>
  );
};

interface SlideIndicatorProps {
  currentSlide: number;
  images: ImageWithLabel[];
  className?: string;
  api: CarouselApi | null;
}

const SlideIndicator = ({
  currentSlide,
  images,
  className,
  api,
}: SlideIndicatorProps) => {
  return (
    <div
      className={cn("flex flex-col items-center gap-2 font-medium", className)}
    >
      <div className="">
        <span className="text-foreground-700">
          {(currentSlide + 1).toLocaleString("fa-IR")} از{" "}
          {images.length.toLocaleString("fa-IR")} {" "}
        </span>
        <span className="text-primary">{images[currentSlide].label}</span>
      </div>
      <div className="flex gap-2">
        {images.map((_, index) => (
          <button
            key={index}
            onClick={() => api?.scrollTo(index)}
            aria-label={`رفتن به اسلاید ${(index + 1).toLocaleString("fa-IR")}`}
            className={cn(
              "h-0.5 w-6 rounded-full transition-colors",
              index === currentSlide
                ? "bg-primary"
                : "bg-primary/20 hover:bg-primary/40",
            )}
          />
        ))}
      </div>
    </div>
  );
};

export { Hero187a };