import { create } from 'zustand';
import { persist } from 'zustand/middleware';

/**
 * 企业信息接口
 */
export interface Company {
  id: number;
  name: string;
  plan: string;
  status: string;
  max_users: number;
  is_trial: boolean;
  data_retention_months: number;
  created_at: string;
  updated_at: string;
}

/**
 * 企业状态接口
 */
interface CompanyState {
  currentCompany: Company | null;
  companies: Company[];
  
  // Actions
  setCompany: (company: Company) => void;
  setCompanies: (companies: Company[]) => void;
  addCompany: (company: Company) => void;
  updateCompany: (companyId: number, companyData: Partial<Company>) => void;
  removeCompany: (companyId: number) => void;
  clearCompanies: () => void;
}

/**
 * 企业状态 Store
 * 使用 localStorage 持久化
 */
export const useCompanyStore = create<CompanyState>()(
  persist(
    (set) => ({
      currentCompany: null,
      companies: [],

      setCompany: (company) => {
        // 保存当前企业 ID 到 localStorage
        if (typeof window !== 'undefined') {
          localStorage.setItem('company_id', String(company.id));
        }
        
        set({ currentCompany: company });
      },

      setCompanies: (companies) => {
        set({ companies });
      },

      addCompany: (company) => {
        set((state) => ({
          companies: [...state.companies, company],
        }));
      },

      updateCompany: (companyId, companyData) => {
        set((state) => ({
          companies: state.companies.map((c) =>
            c.id === companyId ? { ...c, ...companyData } : c
          ),
          currentCompany:
            state.currentCompany?.id === companyId
              ? { ...state.currentCompany, ...companyData }
              : state.currentCompany,
        }));
      },

      removeCompany: (companyId) => {
        set((state) => ({
          companies: state.companies.filter((c) => c.id !== companyId),
          currentCompany:
            state.currentCompany?.id === companyId ? null : state.currentCompany,
        }));
      },

      clearCompanies: () => {
        set({ companies: [], currentCompany: null });
      },
    }),
    {
      name: 'company-storage',
      partialize: (state) => ({
        currentCompany: state.currentCompany,
        companies: state.companies,
      }),
    }
  )
);