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

// starName 固定为 chenyun
const starName = "chenyun";

// 展品 ID 与资源路径映射
const exhibitSrcMap: Record<1 | 2, string> = {
  1: "chenyun/place2/场景2展品1",
  2: "chenyun/place2/场景2展品2",
};

// 展品描述映射
const exhibitDescriptionMap: Record<1 | 2, string> = {
  1: "",
  2: "同学你看，这里有一幅陈云提写的颜安小学。陈云在青浦县乙种商业学校学习了一个多月后，又因经济困难不得不辍学回家。多亏当地知识分子、颜安小学校长杜枢，他免费保荐陈云入颜安小学高小部读书。颜安小学实行的新式教育开阔了陈云的视野，五四运动后，颜安小学师生积极投入反帝爱国运动，为陈云日后加入中国共产党埋下了思想的种子。",
};
const ChenyunPlace2 = () => {
  const navigate = useNavigate();
  const { moduleName } = useParams<{
    moduleName: string;
  }>();

  // 当前激活展品 ID，只存 ID 做唯一标识
  const [activeExhibitId, setActiveExhibitId] = useState<1 | 2 | null>(null);
  // 已浏览展品 ID 集合
  const [visited, setVisited] = useState<Set<number>>(new Set());
  // GuideSteps 显示状态
  const [guideVisible, setGuideVisible] = useState(false);
  // GuideSteps 当前步骤
  const [guideStep, setGuideStep] = useState(0);
  // 学习引导弹窗显示状态
  const [showGuideModal, setShowGuideModal] = useState(true);

  const handleOpenExhibit = (index: 1 | 2) => {
    if (index === 1) {
      // 展品1：点击时同时打开展品和引导对话，从第1步开始
      setActiveExhibitId(1);
      setGuideVisible(true);
      setGuideStep(0);
    } else {
      // 展品2：直接打开
      setActiveExhibitId(index);
    }
  };

  // 监听GuideSteps步骤变化，仅同步当前步骤
  const handleGuideStepChange = (step: number) => {
    setGuideStep(step);
  };

  const progressCount = visited.size;
  const total = 2;
  const completed = progressCount >= total;
  const subtitle = completed
    ? "探索陈云就读过的学校(已完成)"
    : `探索陈云就读过的学校(${progressCount}/${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(`chenyun/place2/场景2`),
      }}
    >
      {/* 标题 */}
      <Title
        title="水乡少年·艰辛成长"
        subtitle={subtitle}
        subtitleClassName={subtitleClassName}
        className="absolute top-10 left-1/2 -translate-x-1/2"
      />

      {/* 返回上一章 */}
      <Image
        className="absolute right-5 top-5"
        src={getStaticImage("components/离开")}
        button
        onClick={() => {
          if (moduleName && starName) {
            navigate(`/${moduleName}/${starName}/place1`);
          }
        }}
      />

      {/* 展品1 */}
      <Cursor
        className="absolute left-100 top-100"
        onClick={() => handleOpenExhibit(1)}
        read={visited.has(1)}
      />
      {/* 展品2 */}
      <Cursor
        className="absolute left-210 top-100"
        onClick={() => handleOpenExhibit(2)}
        read={visited.has(2)}
      />

      {/* 继续前进 - 仅在完成所有展品后显示 */}
      {completed && (
        <Image
          className="absolute bottom-0 right-160"
          src={getStaticImage("chenyun/place2/继续前进2")}
          button
          onClick={() => {
            navigate(`/${moduleName}/${starName}/place3`);
          }}
        />
      )}

      {/* 遮罩层 */}
      <ExhibitOverlay
        visible={activeExhibitId !== null}
        src={activeExhibitId ? exhibitSrcMap[activeExhibitId] : ""}
        description={
          activeExhibitId ? exhibitDescriptionMap[activeExhibitId] : undefined
        }
        autoPlayDescription={activeExhibitId === 1}
        onClose={() => {
          if (activeExhibitId !== null) {
            setVisited((prev) => {
              const next = new Set(prev);
              next.add(activeExhibitId);
              return next;
            });
          }
          setActiveExhibitId(null);
        }}
      />

      {/* 展品1的引导对话 */}
      <GuideSteps
        visible={guideVisible}
        onVisibleChange={setGuideVisible}
        currentStep={guideStep}
        onStepChange={handleGuideStepChange}
        showMask={false}
        highlightSelectors={[]}
        zIndex={10000}
      >
        <GuideStepsItem speaker="student">
          那陈云爷爷是怎么有机会到图中的青浦县乙种商业学校读书的呀？
        </GuideStepsItem>
        <GuideStepsItem speaker="guide">
          因为家贫，初小读完的陈云便辍学在家。后在舅母亲戚的资助下，陈云才到青浦县乙种商业学校学习珠算和记账的，他在很短时间里就基本掌握了珠算，还初步学会写账，这为陈云日后从事经济工作打下了基础。
        </GuideStepsItem>
        <GuideStepsItem speaker="guide">
          陈云在党内以“铁算盘”著称，他在经济工作中能熟练使用算盘，就得益于少年时在青浦县立乙种商业学校的学习。
        </GuideStepsItem>
      </GuideSteps>

      {/* 对话结束后的学习引导 */}
      <StudyGuideModal
        visible={showGuideModal}
        onContinue={() => setShowGuideModal(false)}
        ailgn="left"
      >
        1、场景中出现动态光点的展品表示未浏览，可通过点击光点来了解展品背后的故事，通过滚轮可以放大展品，浏览展品后蓝色动态光点会变为已浏览状态；
        {"\n"}
        2、在学习过程中会掉落拼图碎片，拼图碎片会自动收入拼图盒中，拼图盒可以点击查看当前拼图收集情况，点击单个拼图可以回到获得拼图的场景再次学习；
        {"\n"}
        3、所有动态光点的展品全部学习后才能进入下一个场景学习；
      </StudyGuideModal>
    </div>
  );
};

export default ChenyunPlace2;