import { acceptHMRUpdate, defineStore } from 'pinia';

import { MOCK_SAAS_TENANTS } from '#/views/food-labeling/shared/mock-platform-data';

/** 当前登录身份（前端 Mock；联调后由后端 JWT / 用户信息注入） */
export type SaasActorType = 'platform' | 'tenant_admin' | 'tenant_user';

interface SaasContextState {
  actorType: SaasActorType;
  tenantId: string | null;
  tenantName: string | null;
  /** 当前租户已开通的菜单 key（公司管理员及其下属授权的上限） */
  tenantMenuKeys: string[];
}

/**
 * SAAS 权限上下文：平台管理员 vs 公司（租户）管理员
 */
export const useSaasContextStore = defineStore('food-saas-context', {
  actions: {
    /** 模拟以某公司管理员身份进入系统 */
    impersonateTenantAdmin(tenantId: string) {
      const tenant = MOCK_SAAS_TENANTS.find((t) => t.id === tenantId);
      if (!tenant) {
        return;
      }
      this.actorType = 'tenant_admin';
      this.tenantId = tenant.id;
      this.tenantName = tenant.companyName;
      this.tenantMenuKeys = [...tenant.menuPermissionKeys];
    },
    resetToPlatformAdmin() {
      this.actorType = 'platform';
      this.tenantId = null;
      this.tenantName = null;
      this.tenantMenuKeys = [];
    },
    setTenantMenuKeys(keys: string[]) {
      this.tenantMenuKeys = keys;
      const tenant = MOCK_SAAS_TENANTS.find((t) => t.id === this.tenantId);
      if (tenant) {
        tenant.menuPermissionKeys = [...keys];
      }
    },
  },
  getters: {
    isPlatformAdmin: (state) => state.actorType === 'platform',
    isTenantAdmin: (state) => state.actorType === 'tenant_admin',
    /** 角色/用户配置菜单权限时的可选上限 */
    allowedMenuKeys(state): string[] {
      if (state.actorType === 'platform') {
        return [];
      }
      return state.tenantMenuKeys;
    },
  },
  state: (): SaasContextState => ({
    actorType: 'platform',
    tenantId: null,
    tenantName: null,
    tenantMenuKeys: [],
  }),
});

const hot = import.meta.hot;
if (hot) {
  hot.accept(acceptHMRUpdate(useSaasContextStore, hot));
}