// 教学活动分析相关接口
import { moduleRequest } from '@/utils/request'
import Mock from 'mockjs'

const request = moduleRequest(`/api/webapp/`)

// Mock 数据配置
Mock.setup({
	timeout: '200-600'
})

// 课程选项数据
const courseOptions = [
	{ value: '', label: '全部课程' },
	{ value: 'course1', label: 'JavaScript基础教程' },
	{ value: 'course2', label: 'Python数据分析' },
	{ value: 'course3', label: 'React前端开发' },
	{ value: 'course4', label: '机器学习入门' },
	{ value: 'course5', label: 'Vue.js实战开发' },
	{ value: 'course6', label: 'Node.js后端开发' }
]

// 生成日期数据
const generateDateData = (days) => {
	const dates = []
	const today = new Date()

	for (let i = days - 1; i >= 0; i--) {
		const date = new Date(today)
		date.setDate(date.getDate() - i)
		dates.push(date.toLocaleDateString('zh-CN', { month: '2-digit', day: '2-digit' }))
	}

	return dates
}

// 生成访问数据
const generateVisitData = (days, courseId = '') => {
	const data = []
	// 全部课程的访问量应该比单个课程高
	const courseMultiplier = courseId ? 0.15 + Math.random() * 0.25 : 1.0

	for (let i = 0; i < days; i++) {
		const dayOfWeek = (new Date().getDay() - days + i + 7) % 7
		const isWeekend = dayOfWeek === 0 || dayOfWeek === 6
		// 全部课程基础访问量更高
		const baseValue = isWeekend ? 450 : 680
		const randomFactor = 0.7 + Math.random() * 0.6
		const finalValue = Math.round(baseValue * randomFactor * courseMultiplier)
		data.push(finalValue)
	}
	return data
}

// 讨论数据 - 这是全部课程的汇总讨论数据
const discussionData = [
	{
		id: 1,
		title: 'JavaScript闭包概念理解',
		author: '张三',
		createTime: '2024-01-15 10:30',
		replyCount: 25,
		lastReplyTime: '2024-01-16 14:20'
	},
	{
		id: 2,
		title: 'Python数据分析库选择',
		author: '李四',
		createTime: '2024-01-14 16:45',
		replyCount: 18,
		lastReplyTime: '2024-01-15 09:15'
	},
	{
		id: 3,
		title: 'React组件生命周期',
		author: '王五',
		createTime: '2024-01-13 11:20',
		replyCount: 32,
		lastReplyTime: '2024-01-14 17:30'
	},
	{
		id: 4,
		title: '机器学习算法选择',
		author: '赵六',
		createTime: '2024-01-12 14:15',
		replyCount: 16,
		lastReplyTime: '2024-01-13 10:45'
	},
	{
		id: 5,
		title: '前端性能优化技巧',
		author: '钱七',
		createTime: '2024-01-11 09:30',
		replyCount: 45,
		lastReplyTime: '2024-01-15 16:20'
	},
	{
		id: 6,
		title: 'Vue3 Composition API使用心得',
		author: '孙八',
		createTime: '2024-01-10 15:20',
		replyCount: 38,
		lastReplyTime: '2024-01-14 11:30'
	},
	{
		id: 7,
		title: 'Node.js异步编程最佳实践',
		author: '周九',
		createTime: '2024-01-09 13:45',
		replyCount: 29,
		lastReplyTime: '2024-01-13 16:15'
	},
	{
		id: 8,
		title: '数据库索引优化策略',
		author: '陈十',
		createTime: '2024-01-08 11:20',
		replyCount: 22,
		lastReplyTime: '2024-01-12 15:40'
	},
	{
		id: 9,
		title: 'Web安全防护实践',
		author: '刘十一',
		createTime: '2024-01-07 14:30',
		replyCount: 19,
		lastReplyTime: '2024-01-11 09:25'
	},
	{
		id: 10,
		title: '移动端适配解决方案',
		author: '杨十二',
		createTime: '2024-01-06 16:15',
		replyCount: 27,
		lastReplyTime: '2024-01-10 13:50'
	},
	{
		id: 11,
		title: 'TypeScript类型系统深入',
		author: '黄十三',
		createTime: '2024-01-05 10:45',
		replyCount: 34,
		lastReplyTime: '2024-01-09 17:20'
	},
	{
		id: 12,
		title: 'Docker容器化部署',
		author: '吴十四',
		createTime: '2024-01-04 13:20',
		replyCount: 21,
		lastReplyTime: '2024-01-08 11:15'
	},
	{
		id: 13,
		title: 'GraphQL API设计',
		author: '郑十五',
		createTime: '2024-01-03 15:40',
		replyCount: 15,
		lastReplyTime: '2024-01-07 14:30'
	},
	{
		id: 14,
		title: '微服务架构实践',
		author: '王十六',
		createTime: '2024-01-02 09:15',
		replyCount: 28,
		lastReplyTime: '2024-01-06 16:45'
	},
	{
		id: 15,
		title: 'Redis缓存策略',
		author: '李十七',
		createTime: '2024-01-01 11:30',
		replyCount: 23,
		lastReplyTime: '2024-01-05 12:20'
	}
]

// 文档数据 - 这是全部课程的汇总数据，数量较大
const documentData = [
	{
		id: 1,
		name: 'JavaScript基础语法',
		type: 'PDF文档',
		viewCount: 4856,
		completedCount: 3234,
		completionRate: 66.5,
		avgReadTime: '25:30',
		exitRate: 24.6,
		downloadCount: 1456
	},
	{
		id: 2,
		name: 'Python数据分析入门',
		type: '在线文档',
		viewCount: 3234,
		completedCount: 2587,
		completionRate: 80.0,
		avgReadTime: '32:15',
		exitRate: 18.5,
		downloadCount: 1234
	},
	{
		id: 3,
		name: 'React组件开发指南',
		type: 'PDF文档',
		viewCount: 2987,
		completedCount: 2289,
		completionRate: 76.6,
		avgReadTime: '28:45',
		exitRate: 22.3,
		downloadCount: 989
	},
	{
		id: 4,
		name: '机器学习算法详解',
		type: '在线文档',
		viewCount: 2756,
		completedCount: 1908,
		completionRate: 69.2,
		avgReadTime: '45:20',
		exitRate: 30.8,
		downloadCount: 823
	},
	{
		id: 5,
		name: '前端工程化实践',
		type: 'PDF文档',
		viewCount: 2523,
		completedCount: 1665,
		completionRate: 66.0,
		avgReadTime: '38:15',
		exitRate: 34.0,
		downloadCount: 689
	},
	{
		id: 6,
		name: 'Vue.js进阶开发',
		type: '在线文档',
		viewCount: 2678,
		completedCount: 1802,
		completionRate: 67.3,
		avgReadTime: '35:40',
		exitRate: 32.7,
		downloadCount: 756
	},
	{
		id: 7,
		name: 'Node.js后端开发',
		type: 'PDF文档',
		viewCount: 2345,
		completedCount: 1567,
		completionRate: 66.8,
		avgReadTime: '42:10',
		exitRate: 28.9,
		downloadCount: 634
	},
	{
		id: 8,
		name: '数据库设计原理',
		type: '在线文档',
		viewCount: 2123,
		completedCount: 1489,
		completionRate: 70.1,
		avgReadTime: '38:25',
		exitRate: 26.4,
		downloadCount: 567
	},
	{
		id: 9,
		name: 'Web安全防护',
		type: 'PDF文档',
		viewCount: 1987,
		completedCount: 1345,
		completionRate: 67.7,
		avgReadTime: '33:50',
		exitRate: 29.8,
		downloadCount: 498
	},
	{
		id: 10,
		name: '移动端开发实战',
		type: '在线文档',
		viewCount: 1876,
		completedCount: 1234,
		completionRate: 65.8,
		avgReadTime: '40:15',
		exitRate: 31.2,
		downloadCount: 445
	}
]

// 生成课程选项数据
const generateCourseOptions = () => {
	return {
		code: 200,
		message: '获取成功',
		data: courseOptions
	}
}

// 生成核心统计数据
const generateStatsData = (options) => {
	const urlParts = options.url.split('?')
	const params = urlParts.length > 1 ? new URLSearchParams(urlParts[1]) : new URLSearchParams()
	const courseId = params.get('courseId') || ''
	const timeRange = parseInt(params.get('timeRange')) || 30

	// 全部课程的数据应该是所有课程的总和，单个课程数据相对较少
	const baseMultiplier = courseId ? 0.15 + Math.random() * 0.25 : 1.0 // 单个课程占总数的15%-40%
	const timeMultiplier = timeRange / 30

	// 基础数据 - 全部课程的总数据
	const baseStats = {
		totalDocViewers: 8560,
		completedDocViewers: 6234,
		totalDocExits: 1890,
		totalDiscussions: 1456,
		totalReplies: 8934
	}

	const calculatedStats = {
		totalDocViewers: Math.round(baseStats.totalDocViewers * baseMultiplier * timeMultiplier),
		completedDocViewers: Math.round(baseStats.completedDocViewers * baseMultiplier * timeMultiplier),
		totalDocExits: Math.round(baseStats.totalDocExits * baseMultiplier * timeMultiplier),
		totalDiscussions: Math.round(baseStats.totalDiscussions * baseMultiplier * timeMultiplier),
		totalReplies: Math.round(baseStats.totalReplies * baseMultiplier * timeMultiplier)
	}

	// 确保完成人数不超过总观看人数
	if (calculatedStats.completedDocViewers > calculatedStats.totalDocViewers) {
		calculatedStats.completedDocViewers = Math.round(calculatedStats.totalDocViewers * 0.7)
	}

	// 计算完成率
	const docCompletionRate =
		calculatedStats.totalDocViewers > 0
			? parseFloat(((calculatedStats.completedDocViewers / calculatedStats.totalDocViewers) * 100).toFixed(1))
			: 0

	// 计算跳出率 - 单个课程跳出率可能更高
	const baseExitRate = courseId ? 25 + Math.random() * 15 : 18 + Math.random() * 12
	const docExitRate = parseFloat(baseExitRate.toFixed(1))

	// 计算平均回帖数
	const avgRepliesPerDiscussion =
		calculatedStats.totalDiscussions > 0
			? parseFloat((calculatedStats.totalReplies / calculatedStats.totalDiscussions).toFixed(1))
			: 0

	return {
		code: 200,
		message: '获取成功',
		data: {
			totalDocViewers: calculatedStats.totalDocViewers,
			completedDocViewers: calculatedStats.completedDocViewers,
			docCompletionRate,
			totalDocExits: calculatedStats.totalDocExits,
			docExitRate,
			avgDocExitTime: `${String(Math.floor(Math.random() * 15) + 8).padStart(2, '0')}:${String(
				Math.floor(Math.random() * 60)
			).padStart(2, '0')}`,
			totalDiscussions: calculatedStats.totalDiscussions,
			totalReplies: calculatedStats.totalReplies,
			avgRepliesPerDiscussion
		}
	}
}

// 生成每周统计数据
const generateWeeklyStatsData = (options) => {
	const urlParts = options.url.split('?')
	const params = urlParts.length > 1 ? new URLSearchParams(urlParts[1]) : new URLSearchParams()
	const courseId = params.get('courseId') || ''

	// 全部课程数据应该是所有课程的总和
	const baseMultiplier = courseId ? 0.12 + Math.random() * 0.28 : 1.0 // 单个课程占总数的12%-40%

	// 基础数据 - 全部课程的总数据
	const baseWeeklyStats = {
		studentWeeklyPosts: 456,
		studentWeeklyReplies: 1678,
		teacherWeeklyPosts: 123,
		teacherWeeklyReplies: 567
	}

	const calculatedStats = {
		studentWeeklyPosts: Math.round(baseWeeklyStats.studentWeeklyPosts * baseMultiplier),
		studentWeeklyReplies: Math.round(baseWeeklyStats.studentWeeklyReplies * baseMultiplier),
		teacherWeeklyPosts: Math.round(baseWeeklyStats.teacherWeeklyPosts * baseMultiplier),
		teacherWeeklyReplies: Math.round(baseWeeklyStats.teacherWeeklyReplies * baseMultiplier)
	}

	return {
		code: 200,
		message: '获取成功',
		data: {
			studentWeeklyPosts: calculatedStats.studentWeeklyPosts,
			studentWeeklyReplies: calculatedStats.studentWeeklyReplies,
			studentAvgPostsPerDay: parseFloat((calculatedStats.studentWeeklyPosts / 7).toFixed(1)),
			teacherWeeklyPosts: calculatedStats.teacherWeeklyPosts,
			teacherWeeklyReplies: calculatedStats.teacherWeeklyReplies,
			teacherAvgPostsPerDay: parseFloat((calculatedStats.teacherWeeklyPosts / 7).toFixed(1))
		}
	}
}

// 生成每日访问数据
const generateDailyVisitsData = (options) => {
	const urlParts = options.url.split('?')
	const params = urlParts.length > 1 ? new URLSearchParams(urlParts[1]) : new URLSearchParams()
	const courseId = params.get('courseId') || ''
	const timeRange = parseInt(params.get('timeRange')) || 30

	const dates = generateDateData(timeRange)
	const visits = generateVisitData(timeRange, courseId)

	return {
		code: 200,
		message: '获取成功',
		data: {
			dates,
			visits
		}
	}
}

// 生成讨论数据
const generateDiscussionData = (options) => {
	const urlParts = options.url.split('?')
	const params = urlParts.length > 1 ? new URLSearchParams(urlParts[1]) : new URLSearchParams()
	const courseId = params.get('courseId') || ''
	const page = parseInt(params.get('page')) || 1
	const pageSize = parseInt(params.get('pageSize')) || 10

	let filteredData = discussionData
	if (courseId) {
		// 单个课程只显示部分讨论数据，模拟该课程相关的讨论
		const courseDiscussionCount = Math.floor(discussionData.length * (0.2 + Math.random() * 0.3)) // 20%-50%
		filteredData = discussionData.slice(0, Math.max(courseDiscussionCount, 2)) // 至少显示2条
	}

	const startIndex = (page - 1) * pageSize
	const endIndex = startIndex + pageSize
	const pageData = filteredData.slice(startIndex, endIndex)

	return {
		code: 200,
		message: '获取成功',
		data: {
			list: pageData,
			total: filteredData.length,
			page,
			pageSize
		}
	}
}

// 生成文档数据
const generateDocumentData = (options) => {
	const urlParts = options.url.split('?')
	const params = urlParts.length > 1 ? new URLSearchParams(urlParts[1]) : new URLSearchParams()
	const courseId = params.get('courseId') || ''
	const page = parseInt(params.get('page')) || 1
	const pageSize = parseInt(params.get('pageSize')) || 10

	let filteredData = [...documentData]

	if (courseId) {
		// 单个课程只显示该课程相关的文档，数量相对较少
		const courseDocumentCount = Math.floor(documentData.length * (0.25 + Math.random() * 0.35)) // 25%-60%
		filteredData = documentData.slice(0, Math.max(courseDocumentCount, 3)) // 至少显示3条

		// 调整单个课程文档的数据，使其相对较小但合理
		filteredData = filteredData.map((doc) => ({
			...doc,
			viewCount: Math.round(doc.viewCount * (0.15 + Math.random() * 0.25)), // 15%-40%的观看量
			completedCount: Math.round(doc.completedCount * (0.15 + Math.random() * 0.25)),
			downloadCount: Math.round(doc.downloadCount * (0.15 + Math.random() * 0.25)),
			// 完成率和跳出率保持相对合理的范围
			completionRate: parseFloat((doc.completionRate + (Math.random() - 0.5) * 10).toFixed(1)),
			exitRate: parseFloat((doc.exitRate + (Math.random() - 0.5) * 8).toFixed(1))
		}))
	}

	const startIndex = (page - 1) * pageSize
	const endIndex = startIndex + pageSize
	const pageData = filteredData.slice(startIndex, endIndex)

	return {
		code: 200,
		message: '获取成功',
		data: {
			list: pageData,
			total: filteredData.length,
			page,
			pageSize
		}
	}
}

// Mock 接口定义
Mock.mock(/\/api\/webapp\/teaching-analysis\/course-options/, 'get', generateCourseOptions)
Mock.mock(/\/api\/webapp\/teaching-analysis\/stats/, 'get', generateStatsData)
Mock.mock(/\/api\/webapp\/teaching-analysis\/weekly-stats/, 'get', generateWeeklyStatsData)
Mock.mock(/\/api\/webapp\/teaching-analysis\/daily-visits/, 'get', generateDailyVisitsData)
Mock.mock(/\/api\/webapp\/teaching-analysis\/discussions/, 'get', generateDiscussionData)
Mock.mock(/\/api\/webapp\/teaching-analysis\/documents/, 'get', generateDocumentData)

// 导出的API函数
export const getCourseOptions = (params = {}) => {
	return request('disk/courseinfo/allList', params, 'get')
}
// 文档观看统计
export const getTeachingStats = (params = {}) => {
	return request('teachingActivity/documentStatistic', params, 'get')
}
// 文档跳出分析
export const documentJumpStatistic = (params = {}) => {
	return request('teachingActivity/documentJumpStatistic', params, 'get')
}

export const getWeeklyStats = (params = {}) => {
	return request('teaching-analysis/weekly-stats', params, 'get')
}
// 开课每日访问人数统计
export const getDailyVisits = (params = {}) => {
	return request('teachingActivity/courseOpenStatistic', params, 'get')
}

export const getDiscussionData = (params = {}) => {
	return request('teaching-analysis/discussions', params, 'get')
}

export const getDocumentStats = (params = {}) => {
	return request('teaching-analysis/documents', params, 'get')
}