import { create } from 'zustand';
import type { ServiceMap, ServiceMapSummary } from '../types';
import { apiClient } from '../api/client';

interface MapState {
  maps: ServiceMapSummary[];
  activeMap: ServiceMap | null;
  loading: boolean;
  fetchMaps: () => Promise<void>;
  loadMap: (id: string) => Promise<void>;
  createMap: (name: string, description?: string) => Promise<ServiceMap>;
  deleteMap: (id: string) => Promise<void>;
  setActiveMap: (map: ServiceMap | null) => void;
}

export const useMapStore = create<MapState>((set) => ({
  maps: [],
  activeMap: null,
  loading: false,

  fetchMaps: async () => {
    set({ loading: true });
    try {
      const maps = await apiClient.maps.list();
      set({ maps, loading: false });
    } catch {
      set({ loading: false });
      throw new Error('Failed to load maps');
    }
  },

  loadMap: async (id) => {
    set({ loading: true });
    try {
      const map = await apiClient.maps.get(id);
      set({ activeMap: map, loading: false });
    } catch {
      set({ loading: false });
      throw new Error('Failed to load map');
    }
  },

  createMap: async (name, description) => {
    const map = await apiClient.maps.create({ name, description });
    set((s) => ({ maps: [{ id: map.id, name: map.name, description: map.description, createdAt: map.createdAt, updatedAt: map.updatedAt }, ...s.maps] }));
    return map;
  },

  deleteMap: async (id) => {
    await apiClient.maps.delete(id);
    set((s) => ({
      maps: s.maps.filter((m) => m.id !== id),
      activeMap: s.activeMap?.id === id ? null : s.activeMap,
    }));
  },

  setActiveMap: (map) => set({ activeMap: map }),
}));