import { create } from 'zustand';

interface TourState {
  currentTour: any;
  legs: any[];
  publicTours: any[];
  userRole: string | null;
  setTour: (tour: any) => void;
  updateLegs: (legs: any[]) => void;
  optimizeRouting: () => Promise<void>;
  fetchTour: (id: string) => Promise<void>;
  fetchPublicTours: () => Promise<void>;
}

export const useTourStore = create<TourState>((set, get) => ({
  currentTour: null,
  legs: [],
  publicTours: [],
  userRole: null,
  setTour: (tour) => set({ currentTour: tour }),
  updateLegs: (legs) => set({ legs }),
  fetchTour: async (id: string) => {
    const API_BASE = `http://${window.location.hostname}:3001`;
    const response = await fetch(`${API_BASE}/api/v1/tours/${id}`);
    const data = await response.json();
    
    // Lấy role từ danh sách participants (dữ liệu mẫu từ seed)
    const role = data.participants?.[0]?.role || 'VIEWER_ONLY';
    set({ currentTour: data, legs: data.legs || [], userRole: role });
  },
  fetchPublicTours: async () => {
    const API_BASE = `http://${window.location.hostname}:3001`;
    const response = await fetch(`${API_BASE}/api/v1/tours/explore`);
    const data = await response.json();
    set({ publicTours: data });
  },
  optimizeRouting: async () => {
    // Logic gọi API /api/v1/routing/optimize và cập nhật lại state
  },
}));