"use client";

import { useState, useEffect } from "react";
import { ChevronLeft, ChevronRight, Users } from "lucide-react";
import { Button } from "@/components/ui/button";
import InspectorCard from "@/components/InspectorCard";
import { getInspectorsPageInspectors } from "@/services/pages/public/inspectors/client";
import type { InspectorsPageInspector, InspectorsPageMeta } from "@/services/pages/public/inspectors";

interface Props {
  initialData: InspectorsPageInspector[];
  initialMeta: InspectorsPageMeta | null;
}

export function InspectorsGrid({ 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);
    getInspectorsPageInspectors(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;

  if (data.length === 0 && !loading) {
    return (
      <div className="flex flex-col items-center justify-center py-20 gap-4 text-muted-foreground">
        <Users className="w-12 h-12 opacity-30" />
        <p>No inspectors listed yet. Check back soon.</p>
      </div>
    );
  }

  return (
    <>
      <div
        className={`grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-6 mt-10 transition-opacity duration-200 ${loading ? "opacity-50 pointer-events-none" : ""}`}
      >
        {data.map((inspector, index) => (
          <InspectorCard
            key={`${inspector.inspector_full_name}-${index}`}
            inspector={inspector}
          />
        ))}
      </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>
      )}
    </>
  );
}