import {
  ApiResponse,
  CompleteTaskRequest,
  GetTasksQuery,
  PaginatedResponse,
  SkipTaskRequest,
  Task,
  TaskListItem,
  TaskStats,
} from '@/types/goals';
import { api } from './api';

// 任务管理API服务

/**
 * 获取任务列表
 */
export const getTasks = async (query: GetTasksQuery = {}): Promise<PaginatedResponse<TaskListItem>> => {
  const searchParams = new URLSearchParams();

  Object.entries(query).forEach(([key, value]) => {
    if (value !== undefined && value !== null) {
      searchParams.append(key, String(value));
    }
  });

  const queryString = searchParams.toString();
  const path = queryString ? `/goals/tasks?${queryString}` : '/goals/tasks';

  return api.get<PaginatedResponse<TaskListItem>>(path);
};

/**
 * 获取特定目标的任务列表
 */
export const getTasksByGoalId = async (goalId: string, query: GetTasksQuery = {}): Promise<PaginatedResponse<TaskListItem>> => {
  const searchParams = new URLSearchParams();

  Object.entries(query).forEach(([key, value]) => {
    if (value !== undefined && value !== null) {
      searchParams.append(key, String(value));
    }
  });

  const queryString = searchParams.toString();
  const path = queryString ? `/goals/${goalId}/tasks?${queryString}` : `/goals/${goalId}/tasks`;

  return api.get<PaginatedResponse<TaskListItem>>(path);
};

/**
 * 完成任务
 */
export const completeTask = async (taskId: string, completionData: CompleteTaskRequest = {}): Promise<Task> => {
  return api.post<Task>(`/goals/tasks/${taskId}/complete`, completionData);
};

/**
 * 跳过任务
 */
export const skipTask = async (taskId: string, skipData: SkipTaskRequest = {}): Promise<Task> => {
  return api.post<Task>(`/goals/tasks/${taskId}/skip`, skipData);
};

/**
 * 获取任务统计
 */
export const getTaskStats = async (goalId?: string): Promise<TaskStats> => {
  const path = goalId ? `/goals/tasks/stats/overview?goalId=${goalId}` : '/goals/tasks/stats/overview';
  const response = await api.get<ApiResponse<TaskStats>>(path);
  return response.data;
};

// 导出所有API方法
export const tasksApi = {
  getTasks,
  getTasksByGoalId,
  completeTask,
  skipTask,
  getTaskStats,
};

export default tasksApi;