"use client";

import React, { useState, useRef, useEffect } from "react";
import { motion } from "framer-motion";
import { Quote, ChevronLeft, ChevronRight } from "lucide-react";
import Image from "next/image";
import { getCookie } from "cookies-next";

interface TestimonialData {
  name: string;
  position: string;
  image: string;
  quote: string;
}

interface TestimonialsDict {
  title: string;
  description: string;
  data: TestimonialData[];
}

interface TestimonialsProps {
  dict: {
    website: {
      homePage: {
        testimonials: TestimonialsDict;
      };
    };
  };
}

export default function Testimonials({ dict }: TestimonialsProps) {
  const [currentIndex, setCurrentIndex] = useState(0);
  const scrollRef = useRef<HTMLDivElement>(null);
  const [locale, setLocale] = useState("en");

  useEffect(() => {
    const sl = getCookie("selectedLocale");
    const dl = getCookie("defaultLocale");
    setLocale(sl || dl || "en");
  }, []);

  const isRTL = locale === "fa";
  const tData = dict.website.homePage.testimonials.data || [];
  const maxIndex = Math.max(0, tData.length - 3);

  const scrollTo = (index: number) => {
    const idx = Math.max(0, Math.min(index, maxIndex));
    setCurrentIndex(idx);
    scrollRef.current?.children[idx]?.scrollIntoView({ behavior: "smooth", block: "nearest", inline: "start" });
  };

  const handlePrev = () => scrollTo(currentIndex - 1);
  const handleNext = () => scrollTo(currentIndex + 1);

  return (
    <section 
      className="relative flex w-full max-w-[1200px] flex-col items-center py-20"
      id="testimonials"
    >
      <div className="text-center mb-16 space-y-4">
        <motion.h2 
          initial={{ opacity: 0, y: 20 }}
          whileInView={{ opacity: 1, y: 0 }}
          transition={{ duration: 0.6 }}
          viewport={{ once: true }}
          className="text-4xl md:text-5xl font-bold text-foreground tracking-tight"
        >
          {dict.website.homePage.testimonials.title}
        </motion.h2>
        <motion.p 
          initial={{ opacity: 0, y: 20 }}
          whileInView={{ opacity: 1, y: 0 }}
          transition={{ duration: 0.6, delay: 0.2 }}
          viewport={{ once: true }}
          className="text-lg text-muted-foreground max-w-2xl mx-auto text-balance"
        >
          {dict.website.homePage.testimonials.description}
        </motion.p>
      </div>

      <div className="relative w-full">
        <div
          ref={scrollRef}
          className="flex gap-8 overflow-x-auto snap-x snap-mandatory scrollbar-none pb-4"
          style={{ scrollbarWidth: "none", msOverflowStyle: "none" }}
        >
          {tData.map((testimonial, index) => (
            <div
              key={index}
              className="w-full md:w-[calc(50%-1rem)] lg:w-[calc(33.333%-1.1rem)] snap-start flex-shrink-0"
            >
              <motion.div
                initial={{ opacity: 0, y: 30 }}
                whileInView={{ opacity: 1, y: 0 }}
                transition={{ duration: 0.5, delay: index * 0.1 }}
                viewport={{ once: true }}
                whileHover={{ y: -10 }}
                className="relative p-6 md:p-8 rounded-3xl glass-panel flex flex-col h-full overflow-visible"
              >
                <div className="absolute -top-6 -start-6 w-12 h-12 bg-primary rounded-full flex items-center justify-center text-white shadow-lg">
                  <Quote className="w-6 h-6" />
                </div>
                
                <div className="flex-grow pt-2 overflow-visible">
                  <p className="w-full min-w-0 normal-case whitespace-normal break-words tracking-normal block mb-8 italic text-sm md:text-base text-start px-8 md:px-14 leading-relaxed">
                    "{testimonial.quote}"
                  </p>
                </div>

                <div className="flex items-center gap-4 mt-auto pt-6 border-t border-white/10">
                  <div className="relative w-12 h-12 overflow-hidden rounded-full border-2 border-primary/50 flex-shrink-0">
                    <Image
                      src={testimonial.image}
                      alt={testimonial.name}
                      fill
                      className="object-cover"
                    />
                  </div>
                  <div className="flex flex-col min-w-0">
                    <h5 className="font-bold text-foreground leading-none mb-1 truncate">
                      {testimonial.name}
                    </h5>
                    <p className="text-xs text-muted-foreground leading-tight truncate">
                      {testimonial.position}
                    </p>
                  </div>
                  <div className="ms-auto bg-primary/10 text-primary text-[10px] font-bold px-2 py-1 rounded-md border border-primary/20 flex-shrink-0">
                    Verified
                  </div>
                </div>
              </motion.div>
            </div>
          ))}
        </div>

        {tData.length > 3 && (
          <>
            <button
              onClick={isRTL ? handleNext : handlePrev}
              disabled={isRTL ? currentIndex >= maxIndex : currentIndex === 0}
              className="absolute -left-4 top-1/2 -translate-y-1/2 w-10 h-10 rounded-full bg-background border border-border shadow-lg flex items-center justify-center text-foreground hover:text-primary transition-colors disabled:opacity-30 disabled:cursor-not-allowed z-10"
              aria-label="Previous testimonials"
            >
              <ChevronLeft className={`w-5 h-5 ${isRTL ? "rotate-180" : ""}`} />
            </button>
            <button
              onClick={isRTL ? handlePrev : handleNext}
              disabled={isRTL ? currentIndex === 0 : currentIndex >= maxIndex}
              className="absolute -right-4 top-1/2 -translate-y-1/2 w-10 h-10 rounded-full bg-background border border-border shadow-lg flex items-center justify-center text-foreground hover:text-primary transition-colors disabled:opacity-30 disabled:cursor-not-allowed z-10"
              aria-label="Next testimonials"
            >
              <ChevronRight className={`w-5 h-5 ${isRTL ? "rotate-180" : ""}`} />
            </button>

            <div className="flex items-center justify-center gap-2 mt-8">
              {Array.from({ length: maxIndex + 1 }).map((_, i) => (
                <button
                  key={i}
                  onClick={() => scrollTo(i)}
                  className={`w-2.5 h-2.5 rounded-full transition-all duration-300 ${
                    i === currentIndex
                      ? "bg-primary w-6"
                      : "bg-muted-foreground/30 hover:bg-muted-foreground/50"
                  }`}
                  aria-label={`Go to testimonial group ${i + 1}`}
                />
              ))}
            </div>
          </>
        )}
      </div>
    </section>
  );
}