class TodoService {
    static async fetchTodos() {
        const response = await fetch('/api/todos');
        if (!response.ok) {
            throw new Error('获取待办事项失败');
        }
        return await response.json();
    }

    static async fetchUsers() {
        const response = await fetch('/api/users');
        if (!response.ok) {
            throw new Error('获取用户数据失败');
        }
        const data = await response.json();
        return data.users || [];
    }

    static async updateTodo(todoId, todoData) {
        const response = await fetch(`/api/todos/${todoId}`, {
            method: 'PUT',
            headers: {
                'Content-Type': 'application/json'
            },
            body: JSON.stringify(todoData)
        });

        if (!response.ok) {
            throw new Error('更新待办事项失败');
        }
        return await response.json();
    }

    static async createTodo(todoData) {
        const response = await fetch('/api/todos', {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json'
            },
            body: JSON.stringify(todoData)
        });

        if (!response.ok) {
            const errorData = await response.json();
            throw new Error(errorData.message || '创建待办失败');
        }
        return await response.json();
    }

    static async deleteTodo(todoId) {
        const response = await fetch(`/api/todos/${todoId}`, {
            method: 'DELETE'
        });

        if (!response.ok) {
            throw new Error('删除待办事项失败');
        }
    }
}

export default TodoService;