Aislo/B08_Quantity/B08_Quantity_UI_Page.ts

/* =============================================================================
 * B08_Quantity_UI_Page.ts
 * 로그인 후 08: 5차 워크플로우 (수량 산출)
 *
 * 우측 = 실무 수량산출서의 시트를 탭으로 옮긴 것. 지금은 **토적표** 한 장이 서 있고
 *   나머지(토적집계·구조물위치·수량집계표·총괄집계·수리계산·운반거리)는 차례로 붙인다.
 *   확정 = 워크플로 stage 5(QUANTITY) 완료 처리 후 B09 설계도서로 이동.
 * ========================================================================== */

import { ui_locales, currentLanguageIndex } from "@ui/ui_template_locale";
import { createButton, showToast } from "@ui/ui_template_elements";
import { API_BASE_URL, CURRENT_PROJECT_ID_KEY } from "@config/config_frontend";
import { createWorkflowLayout } from "@ui/ui_template_workflow_layout";
import { workflowSteps } from "../A00_Common/b_page_scaffold";
import {
  fetchWorkflowState,
  goToWorkflowStage,
  WORKFLOW_STEP_ROUTES,
} from "../A00_Common/b_workflow_nav";
import { renderEarthworkGrid, type EarthworkTable } from "./B08_Quantity_UI_EarthworkGrid";
import { injectEarthworkGridStyles } from "./B08_Quantity_UI_EarthworkGrid_Style";

/** locale 헬퍼 */
function L(key: keyof typeof ui_locales): string {
  return ui_locales[key][currentLanguageIndex];
}

/** stage 5(QUANTITY) 완료 요청 — 본문 미구현 상태의 유일한 백엔드 연동. */
async function confirmQuantityStage(projectId: string): Promise<void> {
  const response = await fetch(
    `${API_BASE_URL}/projects/${encodeURIComponent(projectId)}/quantity/confirm`,
    { method: "POST", credentials: "include" },
  );
  if (!response.ok) {
    throw new Error(`quantity confirm failed: ${response.status}`);
  }
}

/** 토적표를 받아 온다. 노선을 안 주면 워크플로가 보고 있는 최신 노선으로 나온다. */
async function fetchEarthworkTable(projectId: string): Promise<EarthworkTable> {
  const response = await fetch(
    `${API_BASE_URL}/projects/${encodeURIComponent(projectId)}/quantity/earthwork-table`,
    { credentials: "include" },
  );
  if (!response.ok) throw new Error(`earthwork table failed: ${response.status}`);
  return (await response.json()) as EarthworkTable;
}

/** 좌측 패널의 한 줄 — 이름과 값. 산출 조건을 읽기 전용으로 보인다. */
function field(label: string, value: string): HTMLElement {
  const row = document.createElement("div");
  row.className = "b08-quantity__field";
  const name = document.createElement("span");
  name.textContent = label;
  const amount = document.createElement("span");
  amount.className = "b08-quantity__field-value";
  amount.textContent = value;
  row.append(name, amount);
  return row;
}

/** 좌측 패널: 산출 조건(읽기 전용) + 하단 [확정] 액션 행. */
function buildQuantitySidePanel(
  projectId: string | null,
  table: EarthworkTable | null,
): HTMLElement {
  const panel = document.createElement("div");
  panel.className = "b08-quantity__panel";

  // 계수는 서버 상수가 유일한 정의처다 — 화면은 보여 주기만 하고 값을 다시 적지 않는다.
  panel.append(field(L("B08_Quantity_Side_Method"), L("B08_Quantity_Side_Method_Value")));
  const entries = Object.entries(table?.conversion_factors ?? {});
  if (entries.length) {
    panel.append(field(L("B08_Quantity_Side_Factors"), ""));
    for (const [kind, value] of entries) {
      panel.append(field(kind, String((value as { compacted: number }).compacted)));
    }
  }

  const confirmButton = createButton({
    label: L("B08_Quantity_Btn_Confirm"),
    variant: "filled",
    onClick: () => {
      if (!projectId) {
        showToast(L("B08_Quantity_Confirm_Failed"), "error");
        return;
      }
      confirmButton.disabled = true;
      confirmQuantityStage(projectId)
        .then(() => {
          showToast(L("B08_Quantity_Confirm_Success"), "success");
          goToWorkflowStage(projectId, WORKFLOW_STEP_ROUTES[6]);
        })
        .catch(() => {
          showToast(L("B08_Quantity_Confirm_Failed"), "error");
          confirmButton.disabled = false;
        });
    },
  });

  const actions = document.createElement("div");
  actions.className = "b08-quantity__actions ui-sidebar-actions";
  actions.append(confirmButton);
  panel.append(actions);
  return panel;
}

/** 우측 본문 — 시트 탭 + 그 장의 표. 지금 서 있는 장은 토적표 하나다. */
function buildQuantityBody(table: EarthworkTable | null, failed: boolean): HTMLElement {
  const body = document.createElement("div");
  body.className = "b08-quantity__body";

  const tabs = document.createElement("div");
  tabs.className = "b08-quantity__tabs";
  const tab = document.createElement("button");
  tab.type = "button";
  tab.className = "b08-quantity__tab is-active";
  tab.textContent = L("B08_Quantity_Tab_Earthwork");
  tabs.append(tab);
  body.append(tabs);

  if (failed) {
    const message = document.createElement("p");
    message.className = "b08-quantity__message";
    message.textContent = L("B08_Quantity_Grid_Failed");
    body.append(message);
    return body;
  }
  if (!table || !table.rows?.length) {
    const message = document.createElement("p");
    message.className = "b08-quantity__message";
    message.textContent = L("B08_Quantity_Grid_Empty");
    body.append(message);
    return body;
  }
  body.append(renderEarthworkGrid(table));
  return body;
}

/* -----------------------------------------------------------------------------
 * 페이지 진입점
 * -------------------------------------------------------------------------- */
export async function renderB08Quantity(root: HTMLElement): Promise<void> {
  injectEarthworkGridStyles();
  const projectId = localStorage.getItem(CURRENT_PROJECT_ID_KEY);

  // 표는 한 번만 받아 좌측 패널(계수 표시)과 우측 그리드가 함께 쓴다.
  let table: EarthworkTable | null = null;
  let failed = false;
  if (projectId) {
    try {
      table = await fetchEarthworkTable(projectId);
    } catch {
      failed = true;
    }
  }

  let workflowState: Awaited<ReturnType<typeof fetchWorkflowState>> | undefined;
  if (projectId) {
    try {
      workflowState = await fetchWorkflowState(projectId);
    } catch {
      /* 조회 실패 시 stages 미전달 → 전체 이동 허용 (다른 워크플로 페이지와 같음) */
    }
  }

  const layout = createWorkflowLayout({
    title: L("B08_Quantity_Title"),
    steps: workflowSteps(),
    activeStep: 5,
    leftPanel: buildQuantitySidePanel(projectId, table),
    mainContent: buildQuantityBody(table, failed),
    stages: workflowState?.stages,
    currentStage: workflowState?.current_stage,
    routes: WORKFLOW_STEP_ROUTES,
    onStepClick: (stepIndex: number) => {
      if (projectId) goToWorkflowStage(projectId, WORKFLOW_STEP_ROUTES[stepIndex]);
    },
  });
  root.append(layout.root);
}