/**
 * STMATE w 8.0 — 메인 메뉴·툴바·단축키·자동백업·최근 작업폴더·화면 크기 동작 (ui_app_menu.js)
 * 메뉴 자료 = ui_menu.js(원본 M_Menu1 체계) · 동작 우선순위 = 끼워 넣기(STMATE_PLUGINS.actions) → 여기 H 표
 * 설정 저장 = 브라우저 localStorage("stmate_ui_prefs") — 원본 Start8x.Ini 의 창 위치·보기 설정 자리
 */
(function (global) {
  "use strict";

  const M = global.STMATE_UI_MENU;
  const PREF_KEY = "stmate_ui_prefs";
  const DEF = { autoBackDaily: false, autoBack30: false, prnPdf: false, useName2: false };
  Object.assign(DEF, { dflIndex: "C", dflWidth: 40, screenMode: 0, scale: 100, recent: [] });
  Object.assign(DEF, { lastBackDay: "", lastBack30: 0 });

  function loadPrefs() {
    try {
      return Object.assign({}, DEF, JSON.parse(global.localStorage.getItem(PREF_KEY) || "{}"));
    } catch (_e) {
      return Object.assign({}, DEF);
    }
  }
  const prefs = loadPrefs();
  const savePrefs = () => {
    try {
      global.localStorage.setItem(PREF_KEY, JSON.stringify(prefs));
    } catch (_e) {
      // 저장 공간 없음 — 이번 실행 동안만 유지
    }
  };

  const pad = (n) => String(n).padStart(2, "0");
  const today = () => {
    const d = new Date();
    return `${d.getFullYear()}${pad(d.getMonth() + 1)}${pad(d.getDate())}`;
  };
  const nowTag = () => {
    const d = new Date();
    return `${today()}_${pad(d.getHours())}${pad(d.getMinutes())}`;
  };

  let API = null;
  const PLUG = () => global.STMATE_PLUGINS || { screens: {}, actions: {}, menus: [] };

  function go(screen) {
    API.ctx.uiState.activeScreen = screen;
    API.renderWorkspace();
  }

  // 백업 — 계산 결과 저장 묶음을 「프로젝트_백업_날짜」 폴더·STC 로(서버 work_dbf)
  async function backup(kind) {
    const { ctx } = API;
    if (!ctx.dbfData || !ctx.currentSourcePath) return alert("열린 프로젝트가 없음");
    API.recompute();
    const payload = global.STMATE_VIEW_PRJ_BOQ.buildSavePayload(ctx);
    API.decorateSavePayload(payload);
    const base = String(payload.target_folder_name || "stmate").slice(0, 20);
    payload.target_folder_name = `${base}_백업_${kind === "day" ? today() : nowTag()}`;
    try {
      const res = await API.postJson("/api/save", payload);
      if (kind === "day") prefs.lastBackDay = today();
      if (kind === "30") prefs.lastBack30 = Date.now();
      savePrefs();
      return res;
    } catch (err) {
      alert("자동백업 실패: " + err.message);
      return null;
    }
  }

  // 재계산 뒤 30분 백업
  async function afterCalc() {
    if (prefs.autoBack30 && Date.now() - (prefs.lastBack30 || 0) >= 30 * 60 * 1000)
      await backup("30");
  }

  function applyView() {
    const shell = document.getElementById("stmate-shell");
    if (shell) shell.setAttribute("data-screen-mode", String(prefs.screenMode));
    const ws = document.getElementById("mdi-workspace");
    if (ws) ws.style.zoom = prefs.scale === 100 ? "" : `${prefs.scale}%`;
    document.documentElement.style.setProperty("--stm-name-w", `${prefs.dflWidth * 7}px`);
  }

  function quit(withBackup) {
    const finish = () => {
      API.ctx.uiState.activeScreen = "wQuit";
      API.renderWorkspace();
    };
    if (withBackup && prefs.autoBackDaily && prefs.lastBackDay !== today())
      return backup("day").then(finish);
    finish();
  }

  const toggle = (k) => () => ((prefs[k] = !prefs[k]), savePrefs(), render());
  const radio = (k, v) => () => (
    (prefs[k] = v),
    savePrefs(),
    applyView(),
    render(),
    API.renderWorkspace()
  );

  const H = {
    Act_Maneger: () => go("wPrjMgr"),
    Act_Sys: () => go("wM_Set_Sys"),
    Act_Dan: () => go("wM_JabPum"),
    Act_iLWi_San: () => go("wM_Edit_iLWi"),
    Act_PrjLst: () => go("wPrjList"),
    Act_Prt: () => go("PM_Prt"),
    Act_Calc_Grass: async () => (await API.saveAll(), afterCalc()),
    Act_Calc_All: () => (API.cascadeAndRender(), afterCalc()),
    Act_Refresh: () =>
      API.ctx.currentSourcePath && API.loadProjectFromServer(API.ctx.currentSourcePath),
    Act_Arc_Project: () => API.saveAll(),
    Act_Close_Table: () => {
      Object.assign(API.ctx, {
        state: API.Calc.createDefaultState(),
        dbfData: null,
        currentSourcePath: "",
      });
      go("wPrjMgr");
    },
    mi_AutoBack: toggle("autoBackDaily"),
    mi_Auto_Time_Back: toggle("autoBack30"),
    Act_Arc_Now: async () => {
      const r = await backup("now");
      if (r) alert(`현재상태 백업 완료\n• 폴더: ${r.saved_dir}\n• 압축: ${r.saved_stc}`);
    },
    mi_Del_Recent: () => ((prefs.recent = []), savePrefs(), render()),
    Act_Open_Recent: (btn) => API.loadProjectFromServer(btn.getAttribute("data-path"), "wPrjList"),
    Act_Quit: () => quit(true),
    Act_Halt: () => quit(false),
    Act_UseName2: toggle("useName2"),
    N44: () => ((prefs.scale = 100), (prefs.screenMode = 0), savePrefs(), applyView(), render()),
    N55: () => {
      Object.assign(API.ctx.uiState, {
        boqLevelFilter: "ALL",
        boqSearch: "",
        boqLevelMin: 0,
        boqSel: [],
      });
      API.renderWorkspace();
    },
    Act_information: () => {
      const c = API.ctx;
      const files = (c.dbfData && c.dbfData.file_list) || [];
      API.openModal(
        "제품 및 기타정보",
        `<div class="stm-info"><p><strong>STMATE w 8.0 재현판</strong> — 원본 메뉴·화면 체계를 웹으로 다시 만든 시험판</p><p>열린 프로젝트: ${M.esc(c.currentSourcePath || "(없음)")}</p><p>자료 파일 ${files.length}개: ${M.esc(files.join(" · "))}</p><p>설정 저장: 브라우저(localStorage) · 자동백업 폴더: 서버 work_dbf</p></div>`,
      );
    },
    Act_SetScreen: () => radio("screenMode", (prefs.screenMode + 1) % 4)(),
    Act_Scale_Dfl: () => radio("scale", 100)(),
    Act_Scale_Up: () => radio("scale", Math.min(200, prefs.scale + 25))(),
    Act_Scale_Dn: () => radio("scale", Math.max(50, prefs.scale - 25))(),
  };
  [0, 1, 2, 3].forEach((i) => (H[`Act_SetScreen_${i}`] = () => radio("screenMode", i)()));
  ["C", "N", "I", "E"].forEach((k) => (H[`Act_DFL_INDX_${k}`] = () => radio("dflIndex", k)()));
  [20, 30, 40, 50, 60].forEach((w) => (H[`Act_DFL_WIDTH_${w}`] = () => radio("dflWidth", w)()));

  const enabled = (act) => Boolean(PLUG().actions[act] || H[act]);

  function run(act, btn) {
    const p = PLUG().actions[act];
    if (p) return p(API.ctx, API, btn);
    if (H[act]) return H[act](btn);
  }

  // 메뉴·툴바 다시 그림 — 끼워 넣은 메뉴(m.menu = m1~m5)는 해당 메뉴 끝에
  function render() {
    const host = document.getElementById("menu-host");
    if (host)
      host.innerHTML = M.renderMenuBar({
        enabled,
        checked: (n) => (n.check ? Boolean(prefs[n.check]) : prefs[n.radio[0]] === n.radio[1]),
        recent: prefs.recent,
      });
    PLUG().menus.forEach((m) => {
      const box = document.querySelector(`#main-menubar [data-menu="${m.menu}"] > .menu-dropdown`);
      if (box && !box.querySelector(`[data-act="${m.act}"]`))
        box.insertAdjacentHTML("beforeend", `<button data-act="${m.act}">${m.label}</button>`);
    });
    const tb = document.getElementById("main-toolbar");
    if (tb) tb.innerHTML = M.renderToolbar(API.ctx.uiState.activeScreen);
  }

  function noteRecent(path) {
    const src = (API.ctx.sourcesData.projects || []).find((p) => p.path === path);
    const name = src ? src.name : path.split(/[\\/]/).pop();
    prefs.recent = [{ path, name }].concat(prefs.recent.filter((r) => r.path !== path)).slice(0, 8);
    savePrefs();
    render();
  }

  const typing = (el) => el && /^(INPUT|TEXTAREA|SELECT)$/.test(el.tagName);

  function install(api) {
    API = api;
    const scMap = M.shortcutMap();
    render();
    applyView();
    document.getElementById("main-menubar").addEventListener("click", (e) => {
      const btn = e.target.closest("[data-act]");
      if (!btn || btn.disabled) return;
      run(btn.getAttribute("data-act"), btn);
    });
    document.getElementById("main-toolbar").addEventListener("click", (e) => {
      const btn = e.target.closest("[data-tb-act]");
      if (btn) run(btn.getAttribute("data-tb-act"), btn);
    });
    document.addEventListener("keydown", (e) => {
      const act = scMap[M.eventShortcut(e)];
      if (!act || !enabled(act)) return;
      if (typing(document.activeElement) && !/^F\d+$/.test(e.key) && e.key !== "q") return;
      e.preventDefault();
      run(act);
    });
    Object.assign(api, { noteRecent, refreshMenus: render, uiPrefs: prefs, backup });
  }

  global.STMATE_UI_APP_MENU = { install, prefs, H, enabled };
})(window);