/* =============================================================================
 * B01_Dashboard_UI_ProjectList_Views.ts
 * 프로젝트 목록 보기 셋(PLAN 548-1) — 카드 · 표(줄 끝 ⋯) · 칸반(칸 = 서버 `board` · 완료 칸 접힘).
 * ========================================================================== */

import { createMapContextMenu, type MapContextMenuItem } from "@ui/ui_template_context_menu";
import { el } from "@ui/ui_template_elements_base";
import type { DashboardUser } from "./B01_Dashboard_Api_Fetch";
import type { OverviewProject } from "./B01_Dashboard_Api_Projects";
import { canDeleteProject, canEditProject } from "./B01_Dashboard_UI_Helper";
import { openDeleteProjectModal, openEditProjectModal } from "./B01_Dashboard_UI_Modals";
import {
  ago,
  BOARD_COLUMNS,
  boardLabel,
  kindBadge,
  progressBar,
  stageDots,
  stageText,
  thumbSvg,
} from "./B01_Dashboard_UI_ProjectList_Parts";

type Open = (project: OverviewProject) => void;

/** 누름 = 상세 · Enter 도 같음 */
function clickable<T extends HTMLElement>(node: T, onOpen: () => void): T {
  node.tabIndex = 0;
  node.addEventListener("click", onOpen);
  node.addEventListener("keydown", (event) => {
    if (event.key === "Enter") onOpen();
  });
  return node;
}

function stalledMark(project: OverviewProject): HTMLElement[] {
  return project.stalled
    ? [
        el("span", {
          className: "b01-proj-stalled",
          text: `${project.idle_days} 일 그대로`,
          attrs: { title: "14 일 넘게 고친 것이 없음" },
        }),
      ]
    : [];
}

function card(project: OverviewProject, onOpen: Open, compact = false): HTMLElement {
  const box = el("div", {
    className: `b01-proj-card b01-proj-card--${(project.project_kind ?? "ROAD").toLowerCase()}`,
    attrs: { "data-project": project.id },
  });
  const info = el("div", {
    className: "b01-proj-card__body",
    children: [
      el("b", { className: "b01-proj-card__name", text: project.name }),
      el("div", {
        className: "b01-proj-card__line",
        children: [
          kindBadge(project.project_kind),
          el("span", { className: "b01-proj-mini", text: stageText(project) }),
        ],
      }),
      ...(compact ? [progressBar(project)] : [stageDots(project)]),
      el("div", {
        className: "b01-proj-card__meta",
        children: [
          el("span", { text: project.manager_name ?? "-" }),
          ...stalledMark(project),
          el("span", { text: ago(project) }),
        ],
      }),
    ],
  });
  box.append(thumbSvg(project.thumb), info);
  return clickable(box, () => onOpen(project));
}

export function cardGrid(projects: OverviewProject[], onOpen: Open): HTMLElement {
  return el("div", {
    className: "b01-proj-cards",
    children: projects.map((p) => card(p, onOpen)),
  });
}

/** 줄 끝 ⋯ — 지금 있는 동작만(수정 · 삭제) */
export function rowMenuItems(project: OverviewProject, me: DashboardUser): MapContextMenuItem[] {
  const items: MapContextMenuItem[] = [];
  if (canEditProject(me, project)) {
    items.push(["수정", () => void openEditProjectModal(me, project)]);
  }
  if (canDeleteProject(me)) {
    items.push("-", ["삭제", () => openDeleteProjectModal(me, project)]);
  }
  return items;
}

export function projectRows(
  projects: OverviewProject[],
  me: DashboardUser,
  onOpen: Open,
): HTMLElement {
  const wrap = el("div", { className: "b01-proj-table" });
  const menu = createMapContextMenu("b01-proj-menu");
  wrap.append(menu.element);
  const head = ["이름", "종류", "지역", "진행", "상태", "담당", "수정일", ""];
  const table = el("table");
  const thead = el("tr", { children: head.map((h) => el("th", { text: h })) });
  table.append(thead);
  for (const project of projects) {
    const more = el("button", {
      className: "b01-proj-more",
      text: "⋯",
      attrs: { type: "button", "aria-label": "더 보기" },
    });
    const items = rowMenuItems(project, me);
    if (!items.length) more.hidden = true;
    more.addEventListener("click", (event) => {
      event.stopPropagation();
      const box = wrap.getBoundingClientRect();
      const at = more.getBoundingClientRect();
      menu.open(at.right - box.left - 120, at.bottom - box.top, items);
    });
    const row = el("tr", {
      className: "b01-proj-row",
      attrs: { "data-project": project.id },
      children: [
        el("td", { children: [el("b", { text: project.name }), ...stalledMark(project)] }),
        el("td", { children: [kindBadge(project.project_kind)] }),
        el("td", { text: project.region ?? "-" }),
        el("td", {
          className: "b01-proj-prog",
          children: [progressBar(project), el("span", { text: stageText(project) })],
        }),
        el("td", { text: boardLabel(project.board) }),
        el("td", { text: project.manager_name ?? "-" }),
        el("td", { text: (project.updated_at ?? "").slice(0, 10) || "-" }),
        el("td", { children: [more] }),
      ],
    });
    table.append(clickable(row, () => onOpen(project)));
  }
  wrap.append(table);
  return wrap;
}

/** 칸반 — 칸 차례 고정 · 완료 칸은 접혀 시작(머리 누름 = 펼침) */
export function kanbanBoard(projects: OverviewProject[], onOpen: Open): HTMLElement {
  const board = el("div", { className: "b01-proj-kanban" });
  for (const column of BOARD_COLUMNS) {
    const items = projects.filter((p) => p.board === column.key);
    const col = el("section", {
      className: "b01-proj-col",
      attrs: { "data-board": column.key },
    });
    const title = el("h4", {
      children: [
        el("span", { text: column.label }),
        el("span", { className: "b01-proj-mini", text: String(items.length) }),
      ],
    });
    const list = el("div", {
      className: "b01-proj-col__list",
      children: items.map((p) => card(p, onOpen, true)),
    });
    if (column.key === "done") {
      col.classList.add("is-folded");
      title.append(el("span", { className: "b01-proj-fold", text: "펼치기" }));
      title.addEventListener("click", () => {
        const folded = col.classList.toggle("is-folded");
        title.lastElementChild!.textContent = folded ? "펼치기" : "접기";
      });
    }
    col.append(title, list);
    board.append(col);
  }
  return board;
}