/* =============================================================================
 * A03_CompDetail_UI_Page.ts
 * 로그인 전 03: 회사 상세 (미션 + 핵심 가치 + 연락처)
 *
 * 제약 준수:
 *   - 모든 문구는 ui_template_locale.ts 참조 (하드코딩 금지).
 *   - 색상/간격은 A03_CompDetail_UI_Style.css + theme.css 변수만 사용.
 *   - 공통 컴포넌트(createCard) 우선 사용.
 * ========================================================================== */

import { ui_locales, currentLanguageIndex } from "@ui/ui_template_locale";
import { createCard } from "@ui/ui_template_elements";
import "./A03_CompDetail_UI_Style.css";

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

/* -----------------------------------------------------------------------------
 * 섹션 빌더
 * -------------------------------------------------------------------------- */
function buildHero(): HTMLElement {
  const hero = document.createElement("section");
  hero.className = "a03-hero";

  const inner = document.createElement("div");
  inner.className = "a03-hero__inner";

  const title = document.createElement("h1");
  title.className = "a03-hero__title";
  title.textContent = L("A03_CompDetail_Title");

  const subtitle = document.createElement("p");
  subtitle.className = "a03-hero__subtitle";
  subtitle.textContent = L("A03_CompDetail_Hero_Subtitle");

  inner.append(title, subtitle);
  hero.append(inner);
  return hero;
}

function buildMission(): HTMLElement {
  const section = document.createElement("section");
  section.className = "a03-section";

  const heading = document.createElement("h2");
  heading.className = "a03-section__title";
  heading.textContent = L("A03_CompDetail_Mission_SectionTitle");

  const body = document.createElement("p");
  body.className = "a03-mission__body";
  body.textContent = L("A03_CompDetail_Mission_Body");

  section.append(heading, body);
  return section;
}

function buildValues(): HTMLElement {
  const section = document.createElement("section");
  section.className = "a03-section";

  const heading = document.createElement("h2");
  heading.className = "a03-section__title";
  heading.textContent = L("A03_CompDetail_Value_SectionTitle");

  const grid = document.createElement("div");
  grid.className = "a03-value-grid";

  const values: [keyof typeof ui_locales, keyof typeof ui_locales][] = [
    ["A03_CompDetail_Value1_Title", "A03_CompDetail_Value1_Desc"],
    ["A03_CompDetail_Value2_Title", "A03_CompDetail_Value2_Desc"],
    ["A03_CompDetail_Value3_Title", "A03_CompDetail_Value3_Desc"],
  ];

  for (const [titleKey, descKey] of values) {
    const desc = document.createElement("p");
    desc.className = "a03-value__desc";
    desc.textContent = L(descKey);
    const card = createCard({ title: L(titleKey), body: [desc] });
    card.classList.add("a03-value-card");
    grid.append(card);
  }

  section.append(heading, grid);
  return section;
}

function buildContact(): HTMLElement {
  const section = document.createElement("section");
  section.className = "a03-section";

  const heading = document.createElement("h2");
  heading.className = "a03-section__title";
  heading.textContent = L("A03_CompDetail_Contact_SectionTitle");

  const email = document.createElement("p");
  email.className = "a03-contact__email";
  email.textContent = L("A03_CompDetail_Contact_Email");

  section.append(heading, email);
  return section;
}

/* -----------------------------------------------------------------------------
 * 페이지 진입점
 * -------------------------------------------------------------------------- */
export function renderA03CompDetail(root: HTMLElement): void {
  const page = document.createElement("div");
  page.className = "a03-comp-detail";
  page.append(buildHero(), buildMission(), buildValues(), buildContact());
  root.append(page);
}