(() => {
  function sleep(ms) {
    return new Promise(resolve => setTimeout(resolve, ms));
  }

  window.alert = function(msg) {
    console.warn("차단된 alert:", msg);
  };

  if (window.__zzimAutomationRunning) {
    console.warn("이미 실행 중인 자동화 스크립트가 있습니다.");
    return;
  }
  window.__zzimAutomationRunning = true;

  let isRunning = true;

  document.addEventListener('keydown', (e) => {
    if (e.key === 'Escape') {
      isRunning = false;
      console.log("찜하기 자동화 중단됨 (ESC)");
    }
  });

  function getStoreName() {
    const el = document.querySelector('.KasFrJs3SA');
    return el ? el.innerText.trim() : "스토어";
  }

  function waitForZzimButtons(callback) {
    const check = () => {
      const buttons = document.querySelectorAll('button.zzim_button[type="button"]');
      if (buttons.length > 0) {
        callback(buttons);
      } else {
        requestAnimationFrame(check);
      }
    };
    requestAnimationFrame(check);
  }

  async function waitForButtonToChange(btn, timeout = 1000) {
    const start = Date.now();
    while (Date.now() - start < timeout) {
      const pressed = btn.getAttribute("aria-pressed");
      const label = btn.innerText?.trim();
      if (pressed === "true" || (label && !label.includes("찜하기"))) {
        return true;
      }
      await sleep(50);
    }
    return false;
  }

  function createProgressUI() {
    const ui = document.createElement("div");
    ui.id = "zzim-progress-ui";
    ui.style.position = "fixed";
    ui.style.bottom = "20px";
    ui.style.right = "20px";
    ui.style.background = "#222";
    ui.style.color = "#fff";
    ui.style.padding = "10px 15px";
    ui.style.borderRadius = "8px";
    ui.style.zIndex = "99999";
    ui.style.fontSize = "14px";
    ui.style.whiteSpace = "pre-line";
    ui.style.boxShadow = "0 0 5px rgba(0,0,0,0.5)";
    ui.innerText = "찜하기 자동화 시작...";
    document.body.appendChild(ui);
    return ui;
  }

  async function runAutomation(startPage, finalPage) {
    const url = new URL(window.location.href);
    const storeName = getStoreName();
    let currentPage = parseInt(url.searchParams.get("page") || startPage);
    let totalClicked = 0;
    const progressUI = createProgressUI();
    const today = new Date().toISOString().split("T")[0];

    if (currentPage > finalPage) {
      progressUI.innerText = `${storeName}
페이지 ${finalPage} / ${finalPage}
찜 완료: 0개
완료`;
      alert(`${storeName} 작업 이미 완료됨`);
      return;
    }

    while (isRunning && currentPage <= finalPage) {
      progressUI.innerText = `${storeName}
페이지 ${currentPage} / ${finalPage}
찜 완료: ${totalClicked}개
진행중`;

      await new Promise(resolve => waitForZzimButtons(resolve));
      const buttons = Array.from(document.querySelectorAll('button.zzim_button[type="button"]'));

      for (let i = 0; i < buttons.length; i++) {
        const btn = buttons[i];
        if (!isRunning) break;

        const pressed = btn.getAttribute("aria-pressed");
        const label = btn.innerText?.trim();

        if (pressed === "false" && label.includes("찜하기")) {
          try {
            btn.click();
            const changed = await waitForButtonToChange(btn);
            if (changed) {
              totalClicked++;
            }
            progressUI.innerText = `${storeName}
페이지 ${currentPage} / ${finalPage}
찜 완료: ${totalClicked}개
진행중`;
            await sleep(200);
          } catch (e) {
            console.warn("❌ 클릭 실패:", e);
          }
        }
      }

      if (!isRunning || currentPage >= finalPage) break;

      const nextPage = currentPage + 1;
      url.searchParams.set("page", nextPage);
      await sleep(1000);
      window.location.href = url.toString();
        setTimeout(() => document.dispatchEvent(new KeyboardEvent("keydown", {key: "Enter"})), 1500);
      return;
    }

    // 🔒 루프 종료 후 항상 최종 처리
    const now = new Date();
    const timestamp = now.getFullYear() + "-" +
                      String(now.getMonth()+1).padStart(2, '0') + "-" +
                      String(now.getDate()).padStart(2, '0') + " " +
                      String(now.getHours()).padStart(2, '0') + ":" +
                      String(now.getMinutes()).padStart(2, '0');
    progressUI.innerText = `${storeName}
페이지 ${currentPage} / ${finalPage}
찜 완료: ${totalClicked}개
완료`;
    alert(`${storeName}\n${timestamp}\n총 ${totalClicked}개 찜 완료`);
  }

  chrome.storage.local.get(["isZzimRun", "pageCount", "_zzimStartPage", "_zzimFinalPage"], (res) => {
    if (!res.isZzimRun) return;
    // 제거는 완료 시점에만 수행됨
    const url = new URL(window.location.href);
    const current = parseInt(url.searchParams.get("page") || "1");

    if (!res._zzimStartPage || !res._zzimFinalPage) {
      const startPage = current;
      const finalPage = startPage + (res.pageCount || 1) - 1;
      chrome.storage.local.set({ _zzimStartPage: startPage, _zzimFinalPage: finalPage }, () => {
        runAutomation(startPage, finalPage);
      });
    } else {
      runAutomation(res._zzimStartPage, res._zzimFinalPage);
    }
  });
})();