import type { Component } from 'vue';
import { markRaw, shallowRef } from 'vue';

export type WorkbenchModuleKey =
  // 保留：现有 key 沿用（避免影响线上用户布局存储）
  | 'myTodo' //              A1 · 我的待办
  | 'myProject' //           B7 · 我参与的项目
  | 'shortcut' //            E19 · 快捷入口
  | 'projectHealth' //       C15 · 产品 / 项目健康度
  // 新增（蓝图 2026-05-22，原 A3 myTicket、A4 mentions、A5 approval、A6 worklogReminder、B10 personalItem、F23 projectSnapshot、C11 teamTodo、E21 favorite 已废弃，F23 已并入 B7 myProject "我负责的" tab）
  | 'myExecution' //         B8 · 我负责的执行
  | 'productSnapshot' //     F24 · 产品深度快照（对象快照 / 当前对象切换）
  | 'teamLoad' //            C13 · 团队负载（管理者）
  | 'myWeekWorklog' //       D16 · 工时（含「我的工时 / 团队工时」两 tab，原 C12 teamWorklog 已并入）
  | 'noticeNotification'; // E22 · 公告 + 通知摘要

// 扩展：action（动作型 widget）、snapshot（对象快照型 widget，需指定一个对象）
export type WorkbenchModuleCategory = 'personal' | 'manager' | 'tool' | 'action' | 'snapshot';
export type WorkbenchColumnId = 'left' | 'right';

export interface WorkbenchModuleMeta {
  key: WorkbenchModuleKey;
  component: Component;
  displayName: string;
  icon: string;
  category: WorkbenchModuleCategory;
  defaultVisible: boolean;
  defaultColumn: WorkbenchColumnId;
  defaultOrder: number;
}

const placeholder = markRaw({ render: () => null });

// 默认布局（2026-05-27 调整，对应 WORKBENCH_LAYOUT_VERSION=3）：
//   left:  myTodo(1) → myExecution(2)
//   right: shortcut(1) → myProject(2) → myWeekWorklog(3) → teamLoad(4)
//   hidden: projectHealth, noticeNotification, productSnapshot
//   （noticeNotification 隐藏原因：公告搬到 banner、通知归全局头部铃铛）
const registry: WorkbenchModuleMeta[] = [
  {
    key: 'myTodo',
    component: placeholder,
    displayName: '我的待办',
    icon: 'mdi:clipboard-text-clock-outline',
    category: 'personal',
    defaultVisible: true,
    defaultColumn: 'left',
    defaultOrder: 1
  },
  {
    key: 'myExecution',
    component: placeholder,
    displayName: '我负责的执行',
    icon: 'mdi:flag-checkered',
    category: 'personal',
    defaultVisible: true,
    defaultColumn: 'left',
    defaultOrder: 2
  },
  {
    key: 'shortcut',
    component: placeholder,
    displayName: '快捷入口',
    icon: 'mdi:rocket-launch-outline',
    category: 'tool',
    defaultVisible: true,
    defaultColumn: 'right',
    defaultOrder: 1
  },
  {
    key: 'myProject',
    component: placeholder,
    displayName: '我的项目',
    icon: 'mdi:briefcase-outline',
    category: 'personal',
    defaultVisible: true,
    defaultColumn: 'right',
    defaultOrder: 2
  },
  {
    key: 'myWeekWorklog',
    component: placeholder,
    displayName: '工时',
    icon: 'mdi:timer-outline',
    category: 'personal',
    defaultVisible: true,
    defaultColumn: 'right',
    defaultOrder: 3
  },
  {
    key: 'teamLoad',
    component: placeholder,
    displayName: '团队负载',
    icon: 'mdi:scale-balance',
    category: 'manager',
    defaultVisible: true,
    defaultColumn: 'right',
    defaultOrder: 4
  },
  // === 默认隐藏（用户可从 widget 库拖回） ===
  {
    key: 'projectHealth',
    component: placeholder,
    displayName: '产品 / 项目健康度',
    icon: 'mdi:heart-pulse',
    category: 'manager',
    defaultVisible: false,
    defaultColumn: 'right',
    defaultOrder: 10
  },
  {
    key: 'noticeNotification',
    component: placeholder,
    displayName: '公告 + 通知',
    icon: 'mdi:bullhorn-outline',
    category: 'tool',
    defaultVisible: false,
    defaultColumn: 'right',
    defaultOrder: 11
  },
  {
    key: 'productSnapshot',
    component: placeholder,
    displayName: '产品深度快照',
    icon: 'mdi:image-area-close',
    category: 'snapshot',
    defaultVisible: false,
    defaultColumn: 'left',
    defaultOrder: 41
  }
];

const registryRef = shallowRef(registry);

export function useWorkbenchModules() {
  function getAllModules() {
    return registryRef.value;
  }
  function getModuleMeta(key: WorkbenchModuleKey) {
    return registryRef.value.find(m => m.key === key);
  }
  function registerModuleComponent(key: WorkbenchModuleKey, component: Component) {
    const target = registryRef.value.find(m => m.key === key);
    if (target) target.component = markRaw(component);
  }
  return { getAllModules, getModuleMeta, registerModuleComponent };
}