import { create } from 'zustand';
import { getUnreadCount, listMessages, markRead, type MessageInfo } from '../api/messages';

interface MessageState {
  unreadCount: number;
  recentMessages: MessageInfo[];
  fetchUnreadCount: () => Promise<void>;
  fetchRecentMessages: () => Promise<void>;
  markAsRead: (id: string) => Promise<void>;
}

export const useMessageStore = create<MessageState>((set) => ({
  unreadCount: 0,
  recentMessages: [],

  fetchUnreadCount: async () => {
    try {
      const result = await getUnreadCount();
      set({ unreadCount: result.count });
    } catch {
      // 静默失败，不影响用户体验
    }
  },

  fetchRecentMessages: async () => {
    try {
      const result = await listMessages({ page: 1, page_size: 5 });
      set({ recentMessages: result.data });
    } catch {
      // 静默失败
    }
  },

  markAsRead: async (id: string) => {
    try {
      await markRead(id);
      set((state) => ({
        unreadCount: Math.max(0, state.unreadCount - 1),
        recentMessages: state.recentMessages.map((m) =>
          m.id === id ? { ...m, is_read: true } : m,
        ),
      }));
    } catch {
      // 静默失败
    }
  },
}));