import {
  ApiResponse,
  BatchGoalOperationRequest,
  BatchGoalOperationResult,
  CompleteGoalRequest,
  CreateGoalRequest,
  GetGoalCompletionsQuery,
  GetGoalsQuery,
  Goal,
  GoalCompletion,
  GoalDetailResponse,
  GoalListItem,
  GoalStats,
  PaginatedResponse,
  UpdateGoalRequest,
} from '@/types/goals';
import { api } from './api';

// 目标管理API服务

/**
 * 创建目标
 */
export const createGoal = async (goalData: CreateGoalRequest): Promise<Goal> => {
  return api.post<Goal>('/goals', goalData);
};

/**
 * 获取目标列表
 */
export const getGoals = async (query: GetGoalsQuery = {}): Promise<PaginatedResponse<GoalListItem>> => {
  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?${queryString}` : '/goals';

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

/**
 * 获取目标详情
 */
export const getGoalById = async (goalId: string): Promise<ApiResponse<GoalDetailResponse>> => {
  return api.get<ApiResponse<GoalDetailResponse>>(`/goals/${goalId}`);
};

/**
 * 更新目标
 */
export const updateGoal = async (goalId: string, goalData: UpdateGoalRequest): Promise<Goal> => {
  return api.put<Goal>(`/goals/${goalId}`, goalData);
};

/**
 * 删除目标
 */
export const deleteGoal = async (goalId: string): Promise<ApiResponse<boolean>> => {
  return api.delete<ApiResponse<boolean>>(`/goals/${goalId}`);
};

/**
 * 记录目标完成
 */
export const completeGoal = async (goalId: string, completionData: CompleteGoalRequest = {}): Promise<ApiResponse<GoalCompletion>> => {
  return api.post<ApiResponse<GoalCompletion>>(`/goals/${goalId}/complete`, completionData);
};

/**
 * 获取目标完成记录
 */
export const getGoalCompletions = async (
  goalId: string,
  query: GetGoalCompletionsQuery = {}
): Promise<ApiResponse<PaginatedResponse<GoalCompletion>>> => {
  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/${goalId}/completions?${queryString}` : `/goals/${goalId}/completions`;

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

/**
 * 获取目标统计信息
 */
export const getGoalStats = async (): Promise<ApiResponse<GoalStats>> => {
  return api.get<ApiResponse<GoalStats>>('/goals/stats/overview');
};

/**
 * 批量操作目标
 */
export const batchOperateGoals = async (operationData: BatchGoalOperationRequest): Promise<ApiResponse<BatchGoalOperationResult[]>> => {
  return api.post<ApiResponse<BatchGoalOperationResult[]>>('/goals/batch', operationData);
};


// 导出所有API方法
export const goalsApi = {
  createGoal,
  getGoals,
  getGoalById,
  updateGoal,
  deleteGoal,
  completeGoal,
  getGoalCompletions,
  getGoalStats,
  batchOperateGoals,
};

export default goalsApi;