/**
 * 学生相关API接口
 */

import { post, get } from '../utils/request'
import type { ApiResponse } from '../utils/request'

// ==================== 类型定义 ====================

// 学生信息类型
export type StudentInfo = {
	id: string
	name: string
	account: string
	avatar: string
	grade: string
	class: string
}

// 首页当前学生基础信息
export type StudentHomeProfile = {
	id: string
	name: string
	account: string
	grade: string
	school: string
	avatar: string
	comprehensiveLevel: 'excellent' | 'good' | 'qualified' | 'needs_improvement'
}

// 家长已绑定学生的选择列表项
export type BoundStudentSummary = {
	id: string
	name: string
	account: string
	grade: string
	school: string
	avatar: string
}

// 首页今日学习概览，所有数值均归属于 studentId 对应的学生。
export type StudentHomeMetrics = {
	studentId: string
	onlineToday: boolean
	checkedInToday: boolean
	learningMinutesToday: number
	accuracyToday: number | null
	learningDaysThisWeek: number
	pendingHomeworkCount: number
	updatedAt: string
}

export type TodayLearningCourse = {
	id: string
	time: string
	subject: string
	content: string
	checkedIn: boolean
}

export type TodayLearningScore = {
	accuracy: number
	yesterdayAccuracy: number
	change: number
}

export type TodayLearningPoint = {
	id: string
	label: string
	points: number
}

export type StudyReportSubject = {
	id: string
	name: string
}

export type StudyReportTrendPoint = {
	label: string
	value: number
	average: number
	valueHeight: number
	averageHeight: number
}

export type StudyReportTrend = {
	subjectId: string
	points: StudyReportTrendPoint[]
}

export type StudyReportActivityPoint = {
	label: string
	studyMinutes: number
	plannedMinutes: number
	newMasteredCount: number
	studyHeight: number
	plannedHeight: number
	newMasteredHeight: number
}

export type StudyReportActivity = {
	summary: string
	activeDays: number
	totalDurationText: string
	points: StudyReportActivityPoint[]
}

export type StudyReportSubjectMastery = {
	subjectName: string
	masteredCount: number
	totalCount: number
	masteredPercent: number
}

export type StudyReportPeriod = {
	rangeText: string
	statusTitle: string
	statusDescription: string
	newMasteredPoints: number
	consecutiveDays: number
	averageAccuracy: number
	scaleLabels: string[]
	trends: StudyReportTrend[]
	activity: StudyReportActivity
	subjectMasteries: StudyReportSubjectMastery[]
}

export type StudentStudyReport = {
	studentId: string
	studentName: string
	studentGrade: string
	studentClass: string
	updatedAtText: string
	subjects: StudyReportSubject[]
	week: StudyReportPeriod
	month: StudyReportPeriod
}

export type TodayLearningDetail = {
	studentId: string
	studentName: string
	dateText: string
	checkedIn: boolean
	learningMinutes: number
	answerMinutes: number
	answerCount: number
	completedPackages: number
	totalPackages: number
	masteredPoints: number
	courses: TodayLearningCourse[]
	score: TodayLearningScore
	pointsTotal: number
	pointDetails: TodayLearningPoint[]
}

export type VocabularyBook = {
	id: string
	name: string
	subtitle: string
	totalWords: number
	learnedWords: number
	status: 'learning' | 'unfinished' | 'completed' | 'not_started'
	statusText: string
	levelText: string
	color: 'green' | 'yellow' | 'blue' | 'gray'
}

export type StudentVocabulary = {
	studentId: string
	studentName: string
	studentGrade: string
	studentClass: string
	bookCount: number
	books: VocabularyBook[]
}

export type GrowthPointRecord = {
	id: string
	title: string
	timeText: string
	points: number
	icon: 'calendar' | 'assignment' | 'streak' | 'accuracy' | 'mastery' | 'note'
}

export type StudentGrowth = {
	studentId: string
	studentName: string
	studentGrade: string
	studentClass: string
	pointsBalance: number
	level: number
	rank: number
	streakDays: number
	totalPoints: number
	records: GrowthPointRecord[]
}

export type LearningTaskItem = {
	id: string
	title: string
	status: 'not_started' | 'in_progress' | 'success' | 'failed'
	statusText: string
	accuracyText: string
	answerText: string
	deadlineText: string
}

export type LearningTaskGroup = {
	id: string
	subject: string
	unit: string
	lesson: string
	startText: string
	endText: string
	knowledgeCount: number
	note: string
	tasks: LearningTaskItem[]
}

export type StudentLearningTasks = {
	studentId: string
	studentName: string
	studentGrade: string
	studentClass: string
	pendingCount: number
	completedCount: number
	failedCount: number
	groups: LearningTaskGroup[]
}

export type StudentAlertLevel = 'critical' | 'high' | 'medium' | 'low'

export type StudentAlert = {
	id: string
	level: StudentAlertLevel
	title: string
	content: string
	occurredAt: string
	isRead: boolean
}

export type StudentAlertList = {
	list: StudentAlert[]
	pagination: {
		page: number
		pageSize: number
		total: number
		hasMore: boolean
	}
}

// 验证学生二维码请求参数
export type VerifyQRCodeParams = {
	qrCode: string
	account: string
	name: string
}

// 验证学生账号请求参数
export type VerifyAccountParams = {
	account: string
	name: string
}

// ==================== API方法 ====================

/**
 * 验证学生二维码
 */
export function apiVerifyStudentQRCode(params: VerifyQRCodeParams): Promise<ApiResponse<StudentInfo> | null> {
	return post<StudentInfo>('/api/student/verify-qrcode', params)
}

/**
 * 验证学生账号
 */
export function apiVerifyStudentAccount(params: VerifyAccountParams): Promise<ApiResponse<StudentInfo> | null> {
	return post<StudentInfo>('/api/student/verify-account', params)
}

/**
 * 检查手机号是否已注册
 */
export function apiCheckPhone(phone: string): Promise<ApiResponse<{ exists: boolean }> | null> {
	return get<{ exists: boolean }>(`/api/parent/check-phone?phone=${phone}`)
}

/**
 * 获取当前家长默认绑定学生的首页基础信息。
 * 服务端根据 Authorization Token 识别家长并校验学生绑定关系。
 */
export function apiGetStudentHomeProfile(studentId?: string, showLoading: boolean = true): Promise<ApiResponse<StudentHomeProfile> | null> {
	const url = studentId ? `/api/parent/home-profile?studentId=${studentId}` : '/api/parent/home-profile'
	return get<StudentHomeProfile>(url, undefined, { showLoading })
}

/**
 * 获取当前家长绑定的全部学生，用于首页切换学生。
 */
export function apiGetBoundStudents(): Promise<ApiResponse<{ students: BoundStudentSummary[], currentStudentId: string | null }> | null> {
	return get<{ students: BoundStudentSummary[], currentStudentId: string | null }>('/api/parent/students')
}

/**
 * 获取指定学生的首页今日学习概览。
 */
export function apiGetStudentHomeMetrics(studentId: string, showLoading: boolean = true): Promise<ApiResponse<StudentHomeMetrics> | null> {
	return get<StudentHomeMetrics>(`/api/parent/home-metrics?studentId=${studentId}`, undefined, { showLoading })
}

/**
 * 获取学生今日学习详情及课程打卡记录。
 */
export function apiGetTodayLearningDetail(studentId: string, showLoading: boolean = true): Promise<ApiResponse<TodayLearningDetail> | null> {
	return get<TodayLearningDetail>(`/api/parent/today-learning?studentId=${studentId}`, undefined, { showLoading })
}

/**
 * 获取学生学情报告。接口一次返回周报、月报和全部科目趋势数据。
 */
export function apiGetStudentStudyReport(studentId: string, showLoading: boolean = true): Promise<ApiResponse<StudentStudyReport> | null> {
	return get<StudentStudyReport>(`/api/parent/study-report?studentId=${studentId}`, undefined, { showLoading })
}

export function apiGetStudentVocabulary(studentId: string, showLoading: boolean = true): Promise<ApiResponse<StudentVocabulary> | null> {
	return get<StudentVocabulary>(`/api/parent/vocabulary?studentId=${studentId}`, undefined, { showLoading })
}

export function apiGetStudentGrowth(studentId: string, showLoading: boolean = true): Promise<ApiResponse<StudentGrowth> | null> {
	return get<StudentGrowth>(`/api/parent/growth?studentId=${studentId}`, undefined, { showLoading })
}

export function apiGetStudentLearningTasks(studentId: string, showLoading: boolean = true): Promise<ApiResponse<StudentLearningTasks> | null> {
	return get<StudentLearningTasks>(`/api/parent/learning-tasks?studentId=${studentId}`, undefined, { showLoading })
}

/**
 * 获取当前学生的预警信息。首页调用时 limit 固定为 3。
 */
export function apiGetStudentAlerts(studentId: string, page: number = 1, pageSize: number = 20, limit?: number, showLoading: boolean = true): Promise<ApiResponse<StudentAlertList> | null> {
	const suffix = limit ? `limit=${limit}` : `page=${page}&pageSize=${pageSize}`
	return get<StudentAlertList>(`/api/parent/alerts?studentId=${studentId}&${suffix}`, undefined, { showLoading })
}