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: number) => 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: number) => {
    // Giả sử user hiện tại có ID là 1 (Lộc Phạm - OWNER) để test
    const currentUserId = 1; 
    const response = await fetch(`http://localhost:3001/api/v1/tours/${id}`);
    const data = await response.json();
    
    const role = data.members?.find((m: any) => m.userId === currentUserId)?.role || 'VIEWER_EXTERNAL';
    set({ currentTour: data, legs: data.legs || [], userRole: role });
  },
  fetchPublicTours: async () => {
    const response = await fetch(`http://localhost:3001/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
  },
}));