/**
 * STMATE w 8.0 — 메인 컨트롤러 및 DBF/SMT/STC/JB_R 양방향 브리지 (app.js)
 * TWM_STMATE_START_8X 5대 메뉴 · 9개 메인 화면 · 계산완료(Act_Calc_All) · 모달 제어
 */
(function (global) {
  "use strict";

  const Calc = global.STMATE_CALC;
  const ViewPrjBoq = global.STMATE_VIEW_PRJ_BOQ;
  const { fmt, num } = Calc;
  const $ = (id) => document.getElementById(id),
    closeModal = () => $("stmate-modal-backdrop").classList.add("hidden"),
    onClick = (id, fn) => $(id) && ($(id).onclick = fn),
    onChange = (id, fn) => $(id) && ($(id).onchange = fn),
    bindEach = (sel, ev, fn) =>
      document.querySelectorAll(sel).forEach((el) => (el[ev] = (e) => fn(el, e)));

  const ctx = {
    state: Calc.createDefaultState(),
    computed: null,
    sourcesData: { projects: [], jbr_files: [], work_root: "" },
    currentSourcePath: "",
    dbfData: null,
    uiState: {
      activeScreen: "wPrjList",
      showBoqPreview: true,
      boqLevelFilter: "ALL",
      boqSearch: "",
      activePocket: 1,
      boqPockets: { 1: [], 2: [], 3: [] },
      danFilter: "ALL",
      danSearch: "",
      ilwiSubFilter: "ALL_BDX",
      selectedIlwiCode: "",
      editedSmtMap: {},
    },
  };

  const recompute = () => (ctx.computed = Calc.computeAll(ctx.state));

  // 끼워 넣기 — scr_*.js 가 STMATE_PLUGINS 에 화면·메뉴 동작을 등록(plugins_manifest.js 가 불러옴)
  const PLUG = (global.STMATE_PLUGINS = global.STMATE_PLUGINS || {
    screens: {},
    actions: {},
    menus: [],
  });
  const API = (global.STMATE_APP = {
    ctx,
    Calc,
    fmt,
    num,
    $,
    onClick,
    onChange,
    bindEach,
    closeModal,
  });

  function renderChromeBars() {
    const prjBar = $("prj-context-bar"),
      stBar = $("stmate-statusbar");
    const kj = ctx.computed.kanjubComputed,
      bt = ctx.computed.boqComputed.totals;
    const dbfInfo = ctx.dbfData
      ? `COSTN ${ctx.dbfData.costn_count}건 · SMT산식 ${Object.keys(ctx.dbfData.costn_memos || {}).length}건 · ${ctx.dbfData.boq_table_name} ${ctx.dbfData.boq_count}행`
      : "새 공사 (불러온 파일 없음)";
    if (prjBar) {
      prjBar.innerHTML = `<div class="prj-context-left"><span class="prj-tag">열린 공사</span><strong>${ctx.state.projectMeta.pname}</strong><span>(${ctx.state.projectMeta.pnum || "-"} · 코드 BOQ${ctx.state.projectMeta.pcode || "11"})</span></div><div class="prj-context-right"><span>원본 DBF/SMT: <strong>${dbfInfo}</strong></span><span>원가양식: <strong>${ctx.state.kanjubConfig.scheme}형식</strong></span></div>`;
    }
    if (stBar) {
      stBar.innerHTML = `<div class="st-metrics"><span class="st-kv">순공사원가 재료비:<strong>${fmt(bt.directM)}</strong></span><span class="st-kv">노무비:<strong>${fmt(bt.directL)}</strong></span><span class="st-kv">경비:<strong>${fmt(bt.directS)}</strong></span><span class="st-kv">직접공사비 계:<strong>${fmt(bt.directT)}원</strong></span><span class="st-kv">간접공사비+일반+이윤:<strong>${fmt(kj.TOTAL_COST - kj.DIRECT_COST)}원</strong></span><span class="st-kv">도급액(공급가+부가세):<strong>${fmt(kj.FINAL_SUPPLY)}원</strong></span><span class="st-kv">관급자재대:<strong>${fmt(kj.GOV_MAT)}원</strong></span><span class="st-kv total">총공사비(COSTW1):<strong>${fmt(kj.GRAND_TOTAL)}원</strong></span></div><div>STMATE w 8.0 Full Engine</div>`;
    }
    document.querySelectorAll("#main-toolbar .tb-btn[data-screen]").forEach((btn) => {
      btn.classList.toggle("active", btn.getAttribute("data-screen") === ctx.uiState.activeScreen);
    });
  }

  function renderWorkspace() {
    recompute();
    renderChromeBars();
    const ws = $("mdi-workspace");
    if (!ws) return;
    const scr = PLUG.screens[ctx.uiState.activeScreen] || PLUG.screens.wPrjList;
    ws.innerHTML = scr ? scr.render(ctx, API) : "";
    if (scr && scr.bind) scr.bind(ctx, API);
  }

  async function postJson(url, body) {
    const res = await fetch(url, {
      method: "POST",
      headers: { "Content-Type": "application/json" },
      body: JSON.stringify(body),
    });
    if (!res.ok) throw new Error(await res.text());
    return res.json();
  }

  async function loadProjectFromServer(sourcePath, jumpScreen) {
    const badge = $("conn-badge");
    try {
      if (badge) badge.textContent = "DBF/SMT 로딩중...";
      const data = await postJson("/api/load", { source_path: sourcePath });
      ctx.currentSourcePath = sourcePath;
      ctx.dbfData = data;
      ctx.state = data.sim_state;
      ctx.uiState.editedSmtMap = {};
      if (jumpScreen) ctx.uiState.activeScreen = jumpScreen;
      const sel = $("top-project-select");
      if (sel) sel.value = sourcePath;
      if (badge) badge.textContent = `DBF/SMT 직결 (${data.costn_count}단가·${data.boq_count}내역)`;
      Object.assign(ctx.uiState, { boqSel: [], sysDraft: null });
      if (API.noteRecent) API.noteRecent(sourcePath);
      renderWorkspace();
    } catch (err) {
      if (badge) badge.textContent = "로드 오류";
      alert("프로젝트 DBF 로드 실패: " + err.message);
    }
  }

  function cascadeAndRender() {
    if (global.STMATE_ENGINE && global.STMATE_ENGINE.cascadeRecalculateAll)
      global.STMATE_ENGINE.cascadeRecalculateAll(ctx);
    renderWorkspace();
  }

  async function saveAllToDbfServer() {
    if (!ctx.currentSourcePath || !ctx.dbfData)
      return alert("먼저 PC 또는 실무 STMATE 프로젝트를 로드하세요.");
    const stat =
      global.STMATE_ENGINE && global.STMATE_ENGINE.cascadeRecalculateAll
        ? global.STMATE_ENGINE.cascadeRecalculateAll(ctx)
        : { xCount: 0, dCount: 0, bCount: 0 };
    recompute();
    renderChromeBars();
    const kj = ctx.computed.kanjubComputed,
      bt = ctx.computed.boqComputed.totals;
    try {
      const saved = await postSave(decorateSavePayload(ViewPrjBoq.buildSavePayload(ctx)));
      renderWorkspace();
      alert(
        `[계산완료(Act_Calc_All) 및 DBF/SMT/STC 저장 성공]\n• 5단 연쇄재계산: 중기(X) ${stat.xCount}건 · 산근(D) ${stat.dCount}건 · 일위대가(B) ${stat.bCount}건\n• 폴더: ${saved.saved_dir}\n• 아카이브: ${saved.saved_stc} (${fmt(saved.stc_size)}B)\n• 직공비: ${fmt(bt.directT)}원 / 총공사비: ${fmt(kj.GRAND_TOTAL)}원`,
      );
    } catch (err) {
      alert("DBF/STC 저장 실패: " + err.message);
    }
  }

  // 저장 길 — 코드 관리(지움·코드 바꿈·다른 표 코드)가 있으면 /api/ui/save(구조 덧붙임 · api_ui_code.py) · 아니면 /api/save
  function postSave(p) {
    const UC = global.STMATE_UI_CODE;
    if (UC && UC.needsUiSave(ctx.dbfData))
      return postJson(
        "/api/ui/save",
        Object.assign(p, UC.structPayload(ctx.dbfData), {
          rate_tables: ctx.dbfData.rate_dirty ? ctx.dbfData.rate_tables : {},
        }),
      );
    return postJson("/api/save", p);
  }

  // 저장 묶음 덧붙임 — 초기값(start_ini) · 공사목록 전체 행(prjlst_rows) · 서버 반영은 파일 담당
  function decorateSavePayload(p) {
    const d = ctx.dbfData;
    if (!d) return p;
    // 산근 편집기 계약단가 표시(BCONT) — 고친 코드만 COSTN 칸 덧붙임
    const extra = ctx.uiState.costnExtra || {};
    (p.costn_updates || []).forEach((u) => Object.assign(u, extra[String(u.CODE).trim()] || {}));
    return Object.assign(p, { start_ini: d.start_ini || {}, prjlst_rows: d.prjlst_all || [] });
  }

  function openModal(title, bodyHtml) {
    $("modal-title-text").textContent = title;
    $("modal-body-content").innerHTML = bodyHtml;
    $("stmate-modal-backdrop").classList.remove("hidden");
  }

  // 내역 행 끼워 넣기 — app_modals.js
  const insertBoqRow = (...args) => global.STMATE_APP_MODALS.insertBoqRow(API, ...args);

  function downloadBlob(content, filename, mime) {
    const a = document.createElement("a");
    a.href = URL.createObjectURL(new Blob([content], { type: mime }));
    a.download = filename;
    a.click();
    URL.revokeObjectURL(a.href);
  }

  Object.assign(API, { renderWorkspace, recompute, openModal, postJson, downloadBlob });
  Object.assign(API, { cascadeAndRender, loadProjectFromServer, insertBoqRow });
  Object.assign(API, {
    saveAll: saveAllToDbfServer,
    decorateSavePayload,
    postSave,
  });

  async function initStmateApp() {
    onClick("modal-close-btn", closeModal);
    // 원본 메뉴·툴바·단축키 — ui_app_menu.js(끼워 넣은 메뉴·동작 포함)
    global.STMATE_UI_APP_MENU.install(API);

    try {
      const srcRes = await fetch("/api/sources");
      if (srcRes.ok) ctx.sourcesData = await srcRes.json();
      const sel = $("top-project-select");
      if (sel && ctx.sourcesData.projects.length) {
        sel.innerHTML = ctx.sourcesData.projects
          .map((p) => `<option value="${p.path}">${p.name}</option>`)
          .join("");
        sel.onchange = () => loadProjectFromServer(sel.value);
        const defaultPrj =
          ctx.sourcesData.projects.find(
            (p) => p.name.includes("[실무 STC]") && p.name.includes("기번41"),
          ) ||
          ctx.sourcesData.projects.find((p) => p.name.includes("기번41")) ||
          ctx.sourcesData.projects[0];
        if (defaultPrj) return await loadProjectFromServer(defaultPrj.path, "wPrjList");
      }
    } catch (_e) {
      // 오프라인 기본 폴백
    }
    renderWorkspace();
  }

  document.readyState === "loading"
    ? document.addEventListener("DOMContentLoaded", initStmateApp)
    : initStmateApp();
})(window);