"use client";

import { useState, useEffect } from "react";
import Image from "next/image";
import { GraduationCap, ChevronLeft, ChevronRight } from "lucide-react";
import { Button } from "@/components/ui/button";
import FadeIn from "@/components/animations/FadeIn";
import { getTrainingPageAccreditations } from "@/services/pages/public/training/client";
import type { TrainingPageAccreditation, TrainingPageMeta } from "@/services/pages/public/training";

interface Props {
  initialData: TrainingPageAccreditation[];
  initialMeta: TrainingPageMeta | null;
}

export function AccreditationsGrid({ initialData, initialMeta }: Props) {
  const [page, setPage] = useState(1);
  const [data, setData] = useState(initialData);
  const [meta, setMeta] = useState(initialMeta);
  const [loading, setLoading] = useState(false);

  useEffect(() => {
    if (page === 1) {
      setData(initialData);
      setMeta(initialMeta);
      return;
    }
    setLoading(true);
    getTrainingPageAccreditations(page)
      .then(({ data: d, meta: m }) => {
        setData(d);
        setMeta(m);
      })
      .finally(() => setLoading(false));
  }, [page]); // eslint-disable-line react-hooks/exhaustive-deps

  const lastPage = meta?.last_page ?? 1;

  return (
    <>
      <div className={`grid sm:grid-cols-2 lg:grid-cols-4 gap-6 transition-opacity duration-200 ${loading ? "opacity-50 pointer-events-none" : ""}`}>
        {data.map((acc, i) => (
          <FadeIn key={`${acc.title}-${i}`} y={20} duration={0.5} delay={i * 0.1} className="petro-card p-8 text-center">
            
              {acc.image_url ? (
                <div className="w-14 h-14 mx-auto mb-5 rounded-sm flex items-center justify-center overflow-hidden">
                    <Image src={acc.image_url} alt={acc.title} width={56} height={56} className="w-full h-full object-contain p-1" />
                </div>
              ) : (
                <div className="w-14 h-14 mx-auto mb-5 rounded-sm bg-primary flex items-center justify-center overflow-hidden">
                    <GraduationCap className="text-accent" size={28} />
                </div>
              )}
            <h3 className="text-xl font-bold text-foreground mb-1">{acc.title}</h3>
            <p className="text-xs text-accent font-semibold uppercase tracking-wider mb-3">{acc.subtitle}</p>
            <p className="text-sm text-muted-foreground leading-relaxed">{acc.description}</p>
          </FadeIn>
        ))}
      </div>

      {lastPage > 1 && (
        <div className="mt-10 flex items-center justify-center gap-4">
          <Button
            variant="outline"
            size="icon"
            disabled={page <= 1 || loading}
            onClick={() => setPage((p) => p - 1)}
          >
            <ChevronLeft className="h-4 w-4" />
          </Button>
          <span className="text-sm text-muted-foreground">
            Page {page} of {lastPage}
          </span>
          <Button
            variant="outline"
            size="icon"
            disabled={page >= lastPage || loading}
            onClick={() => setPage((p) => p + 1)}
          >
            <ChevronRight className="h-4 w-4" />
          </Button>
        </div>
      )}
    </>
  );
}