'use client';

import { create } from 'zustand';

interface AuthUser {
  id: string;
  name: string;
  roleId: string;
  departmentId: string;
  phone: string;
  email: string;
}

interface AuthState {
  user: AuthUser | null;
  isAuthenticated: boolean;
  login: (phone: string, password: string, remember: boolean) => boolean;
  logout: () => void;
  checkAuth: () => void;
}

const SESSION_KEY = 'ftb_auth_session';
const PERSIST_KEY = 'ftb_auth_persist';

export const useAuthStore = create<AuthState>((set) => ({
  user: null,
  isAuthenticated: false,

  login: (phone, password, remember) => {
    const membersRaw = localStorage.getItem('ftb_members_v1');
    let members: any[] = [];
    if (membersRaw) {
      const parsed = JSON.parse(membersRaw);
      members = parsed.members || [];
    }

    // fallback: 如果 localStorage 没有数据或为空，使用默认 mock
    if (members.length === 0) {
      members = [
        { id: 'm-1', name: '张三', departmentId: 'dept-1', roleId: 'role-pm', phone: '13800138001', email: 'zhangsan@company.com', password: 'Ftb@2024' },
        { id: 'm-2', name: '李四', departmentId: 'dept-2-1', roleId: 'role-dev', phone: '13900139002', email: 'lisi@company.com', password: 'Ftb@2024' },
        { id: 'm-3', name: '王五', departmentId: 'dept-2-2', roleId: 'role-dev', phone: '13700137003', email: 'wangwu@company.com', password: 'Ftb@2024' },
        { id: 'm-4', name: '赵六', departmentId: 'dept-2-3', roleId: 'role-test', phone: '13600136004', email: 'zhaoliu@company.com', password: 'Ftb@2024' },
        { id: 'm-5', name: '孙七', departmentId: 'dept-3', roleId: 'role-design', phone: '13500135005', email: 'sunqi@company.com', password: 'Ftb@2024' },
        { id: 'm-6', name: '周八', departmentId: 'dept-4', roleId: 'role-pm', phone: '13400134006', email: 'zhouba@company.com', password: 'Ftb@2024' },
        { id: 'm-7', name: '吴九', departmentId: 'dept-2-1', roleId: 'role-dev', phone: '13300133007', email: 'wujiu@company.com', password: 'Ftb@2024' },
        { id: 'm-8', name: '陈十', departmentId: 'dept-1', roleId: 'role-admin', phone: '13200132008', email: 'chenshi@company.com', password: 'Ftb@2024' },
      ];
    }

    const member = members.find((m: any) => m.phone === phone && (m.password || 'Ftb@2024') === password);
    if (!member) return false;

    const user: AuthUser = {
      id: member.id,
      name: member.name,
      roleId: member.roleId,
      departmentId: member.departmentId,
      phone: member.phone,
      email: member.email,
    };

    set({ user, isAuthenticated: true });
    sessionStorage.setItem(SESSION_KEY, JSON.stringify(user));
    if (remember) {
      localStorage.setItem(PERSIST_KEY, JSON.stringify(user));
    }
    return true;
  },

  logout: () => {
    set({ user: null, isAuthenticated: false });
    sessionStorage.removeItem(SESSION_KEY);
    localStorage.removeItem(PERSIST_KEY);
  },

  checkAuth: () => {
    const session = sessionStorage.getItem(SESSION_KEY);
    if (session) {
      set({ user: JSON.parse(session), isAuthenticated: true });
      return;
    }
    const persist = localStorage.getItem(PERSIST_KEY);
    if (persist) {
      const user = JSON.parse(persist);
      set({ user, isAuthenticated: true });
      sessionStorage.setItem(SESSION_KEY, JSON.stringify(user));
      return;
    }
  },
}));