import request from '@/utils/request'
import type { Result } from '@/api/types'

// 用户目标接口类型
export interface UserGoal {
  id: number
  userId: number
  goalType: 'task_count' | 'score' | 'rank' | 'rating'
  goalName: string
  description?: string
  targetValue: number
  currentValue: number
  period: 'daily' | 'weekly' | 'monthly' | 'quarterly' | 'yearly' | 'custom'
  periodStart: string
  periodEnd: string
  status: 'active' | 'completed' | 'failed' | 'cancelled'
  completedTime?: string
  rewardScore: number
  rewardClaimed: number
  reminderType: 'none' | 'daily' | 'before_deadline'
  createTime: string
  updateTime: string
}

export interface GoalCreateRequest {
  goalType: string
  goalName: string
  description?: string
  targetValue: number
  period: string
  periodStart?: string
  periodEnd?: string
  rewardScore?: number
  reminderType?: string
}

// ==================== 目标管理 API ====================

/**
 * 创建目标
 */
export function createGoal(data: GoalCreateRequest): Promise<UserGoal> {
  return request.post<Result<UserGoal>>('/goals', data)
    .then(res => res.data)
}

/**
 * 创建预设目标
 */
export function createPresetGoal(type: string): Promise<UserGoal> {
  return request.post<Result<UserGoal>>(`/goals/preset/${type}`)
    .then(res => res.data)
}

/**
 * 更新目标
 */
export function updateGoal(id: number, data: Partial<GoalCreateRequest>): Promise<UserGoal> {
  return request.put<Result<UserGoal>>(`/goals/${id}`, data)
    .then(res => res.data)
}

/**
 * 更新目标进度
 */
export function updateGoalProgress(id: number, progressValue: number): Promise<UserGoal> {
  return request.put<Result<UserGoal>>(`/goals/${id}/progress`, null, {
    params: { progressValue }
  }).then(res => res.data)
}

/**
 * 获取我的目标列表
 */
export function getMyGoals(status?: string): Promise<UserGoal[]> {
  return request.get<Result<UserGoal[]>>('/goals/my', {
    params: { status }
  }).then(res => res.data)
}

/**
 * 获取我的活跃目标
 */
export function getMyActiveGoals(): Promise<UserGoal[]> {
  return request.get<Result<UserGoal[]>>('/goals/my/active')
    .then(res => res.data)
}

/**
 * 获取目标详情
 */
export function getGoalById(id: number): Promise<UserGoal> {
  return request.get<Result<UserGoal>>(`/goals/${id}`)
    .then(res => res.data)
}

/**
 * 领取目标奖励
 */
export function claimGoalReward(id: number): Promise<boolean> {
  return request.post<Result<boolean>>(`/goals/${id}/claim-reward`)
    .then(res => res.data)
}

/**
 * 取消目标
 */
export function cancelGoal(id: number): Promise<void> {
  return request.post<Result<void>>(`/goals/${id}/cancel`)
    .then(res => res.data)
}

/**
 * 删除目标
 */
export function deleteGoal(id: number): Promise<void> {
  return request.delete<Result<void>>(`/goals/${id}`)
    .then(res => res.data)
}

// 预设目标类型
export const PRESET_GOAL_TYPES = [
  { type: 'weekly_task', name: '本周完成10个任务', description: '在本周内完成10个设计任务', reward: 50 },
  { type: 'monthly_task', name: '本月完成40个任务', description: '在本月内完成40个设计任务', reward: 200 },
  { type: 'monthly_score', name: '本月获得1000积分', description: '在本月内累计获得1000积分', reward: 100 },
  { type: 'top_10', name: '进入排行榜前10', description: '在本月排行榜中进入前10名', reward: 150 },
]