import { useState } from "react";
import { ExhibitOverlay, Title, Image, Cursor } from "@/components";
import { getBackgroundImage, getStaticImage } from "@/lib/utils";
import { useNavigate, useParams } from "react-router-dom";

const starName = "sunzhongshan";

const exhibitSrcMap: Record<1 | 2, string> = {
  1: "sunzhongshan/place4/国事遗嘱",
  2: "sunzhongshan/place4/上海各界人士在外滩码头欢迎孙中山",
};

const SunzhongshanPlace4 = () => {
  const navigate = useNavigate();
  const { moduleName } = useParams<{
    moduleName: string;
  }>();

  const [activeExhibitId, setActiveExhibitId] = useState<1 | 2 | null>(null);
  const [visited, setVisited] = useState<Set<number>>(new Set());

  const handleOpenExhibit = (index: 1 | 2) => {
    setActiveExhibitId(index);
  };

  const progressCount = visited.size;
  const total = 2;
  const completed = progressCount >= total;
  const subtitle = completed
    ? "探索孙中山故居老宅堂屋(已完成)"
    : `探索孙中山故居老宅堂屋(${progressCount}/${total})`;
  const subtitleClassName = completed
    ? "text-[#fff998] [text-shadow:_0_8px_8px_rgba(0,0,0,0.35),_0_0_16px_rgba(0,0,0,0.25)]"
    : undefined;

  return (
    <div
      className="w-full h-full bg-cover bg-center bg-no-repeat"
      style={{
        backgroundImage: getBackgroundImage(`sunzhongshan/place4/背景`),
      }}
    >
      <Title
        title="抱病北上·鞠躬尽瘁"
        subtitle={subtitle}
        subtitleClassName={subtitleClassName}
        className="absolute top-10 left-1/2 -translate-x-1/2"
      />

      <Image
        className="absolute right-5 top-5"
        src={getStaticImage("components/离开")}
        button
        onClick={() => {
          if (moduleName && starName) {
            navigate(`/${moduleName}/${starName}/place3`);
          }
        }}
      />

      <Cursor
        className="absolute right-209 top-128"
        onClick={() => handleOpenExhibit(1)}
        read={visited.has(1)}
      />
      <Cursor
        className="absolute right-150 top-88"
        onClick={() => handleOpenExhibit(2)}
        read={visited.has(2)}
      />

      {completed && (
        <Image
          className="absolute bottom-0 right-140"
          src={getStaticImage("components/place/l-前进")}
          button
          onClick={() => {
            navigate(`/${moduleName}/${starName}`);
          }}
        />
      )}

      <ExhibitOverlay
        visible={activeExhibitId !== null}
        src={activeExhibitId ? exhibitSrcMap[activeExhibitId] : ""}
        onClose={() => {
          if (activeExhibitId !== null) {
            setVisited((prev) => {
              const next = new Set(prev);
              next.add(activeExhibitId);
              return next;
            });
          }
          setActiveExhibitId(null);
        }}
      />
    </div>
  );
};

export default SunzhongshanPlace4;