const axios = require('axios')
const db = require('../../plugin/DataBase/db')
const Logger = require('../Logger')
const path = require('path')
const EmailTemplate = require('../../plugin/Email/emailTemplate')
const config = require('../../config.json')

class Lepao {
    constructor() {
        this.logger = new Logger(path.join(__dirname, '../logs/Lepao.log'), 'INFO')
        this.runpy = config.runpy
    }

    async getPath(account, vip) {
        this.logger.info(`${account}开始获取路径`)
        const accountSql = 'SELECT area, max_distance, min_distance, sex FROM lepao_account WHERE student_num = ?'
        const rows = await db.query(accountSql, [account])
        if (!rows || rows.length === 0) {
            this.logger.error(`${account}无法获取账号数据`)
            throw new Error('无法获取账号数据')
        }

        const { area, max_distance, min_distance, sex } = rows[0]

        let max = Number(max_distance) || 4.00
        let min = Number(min_distance) || 2.00
        if (sex === 2) {
            max = Number(max_distance) || 2.00
            min = 1.60
        }

        this.logger.info(`${account}路径参数: area=${area ?? '随机'}, max_distance=${max}, min_distance=${min}`)

        let pathSql = 'SELECT id FROM path_data WHERE state = 1 AND distance < ? AND distance > ? '
        const pathParams = [max, min]

        if (area) {
            pathSql += ' AND run_zone_name = ?'
            pathParams.push(area)
        }

        pathSql += ' ORDER BY count ASC LIMIT 1'

        const paths = await db.query(pathSql, pathParams)
        if (!paths || paths.length === 0) {
            this.logger.error(`${account}未找到符合条件的路线`)
            throw new Error('未找到符合条件的路线，请改变路径选择条件')
        }

        const randomPath = paths[0]

        const updateSql = 'UPDATE path_data SET count = count + 1 WHERE id = ?'
        await db.query(updateSql, [randomPath.id])
        this.logger.info(`${account}路径选中id=${randomPath.id}，计数加1成功`)
        return randomPath.id
    }

    async getRecord(uid, token, school_id, student_id) {
        try {
            const reqData = { uid, token, school_id, student_id }
            this.logger.info(`开始请求获取跑步次数 uid=${uid} student_id=${student_id}`)
            const recordUrl = this.runpy + '/get_record'
            let recordRes = await axios.post(recordUrl, reqData)
            const { data } = recordRes
            this.logger.info(`获取跑步次数返回结果: ${JSON.stringify(data)}`)
            if (!data || data.status !== 1 || !data.data) {
                this.logger.warn('获取剩余跑步次数失败，接口返回异常')
                return
            }
            return data.data
        } catch (error) {
            this.logger.error(`获取跑步次数失败: ${error.stack || error.message}`)
            return
        }
    }

    async beginLepao(uuid, account, token, uid, school_id, state) {
        try {
            this.logger.info(`${account}开始执行乐跑流程`)
            const userPermissionSql = 'SELECT vip, lepao_count FROM users WHERE uuid = ?'
            const userPermissionData = await db.query(userPermissionSql, [uuid])
            if (!userPermissionData || userPermissionData.length !== 1) {
                this.logger.error(`${account}无法获取用户信息`)
                throw new Error('无法获取用户信息，请重试或联系RunForge客服')
            }

            if (userPermissionData[0].lepao_count < 1) {
                this.logger.warn(`${account}乐跑次数不足`)
                throw new Error('用户乐跑次数不足，请购买乐跑套餐！')
            }

            if (state !== 1) {
                this.logger.warn(`${account}登录状态异常 state=${state}`)
                return this.sendFailEmail(account, '登录已过期，请尝试使用登录器重新登录')
            }

            // 获取路径 ID
            const path_id = await this.getPath(account, userPermissionData[0].vip)

            // 更换跑区
            this.logger.info(`${account}开始更换跑区，path_id=${path_id}`)
            const zoneUrl = this.runpy + '/set_zone'

            // 晚上10点后提前
            let run_end_time = Math.floor(Date.now() / 1000) - 300 // 提前5分钟
            let hour = new Date().getHours()
            if (hour >= 22) {
                this.logger.info(`${account}当前时间为${hour}点，调整run_end_time提前5小时`)
                run_end_time -= 18000
            }

            const ossData = { uid, token, school_id, student_id: account, random_id: path_id, run_end_time }

            try {
                const zoneRes = await axios.post(zoneUrl, ossData)
                const { data } = zoneRes

                this.logger.info(`${account}更换跑区返回结果: ${JSON.stringify(data)}`)

                if (!data || data.status !== 1 || !data.data) {
                    this.setStatusFail(account)
                    throw new Error(data?.info || '未知错误，请尝试重新登录')
                }
            } catch (error) {
                this.logger.error(`${account}更换跑区失败: ${error.stack || error.message}`)
                throw error
            }

            // 上传 OSS
            this.logger.info(`${account}开始上传OSS记录`)
            const ossUrl = this.runpy + '/upload_oss_file'
            let oss_path, point_data

            try {
                const ossRes = await axios.post(ossUrl, ossData, {
                    proxy: false
                })

                const { data } = ossRes
                this.logger.info(`${account}上传OSS记录返回结果: ${JSON.stringify(data)}`)
                if (!data || data.code !== 200 || !data.oss_path || !data.point_data) {
                    throw new Error('请检查登录是否过期，并尝试更新乐跑登录状态')
                }
                oss_path = data.oss_path
                point_data = data.point_data
                this.logger.info(`${account}上传OSS记录成功！oss_path:${oss_path}`)
            } catch (error) {
                this.setStatusFail(account)
                this.logger.error(`${account}上传OSS记录失败，请检查登录是否过期。${error.stack || error.message}`)
                throw new Error('请检查登录是否过期')
            }

            // 扣除乐跑次数
            this.logger.info(`${account}开始扣减乐跑次数`)
            const useLepaoCountSql = 'UPDATE users SET lepao_count = lepao_count - 1 WHERE uuid  = ?'
            await db.query(useLepaoCountSql, [uuid])
            this.logger.info(`${account}扣减乐跑次数完成`)

            const lepaoData = {
                uid,
                token,
                school_id,
                student_id: account,
                random_id: path_id,
                record_file: oss_path,
                run_end_time,
                point_data
            }

            this.logger.info(`${account}乐跑请求参数构造完成:`)
            this.logger.info(JSON.stringify(lepaoData))

            // 绑定乐跑数据
            this.logger.info(`${account}开始绑定乐跑数据`)
            const lepaoUrl = this.runpy + '/bind_data'
            try {
                const lepaoRes = await axios.post(lepaoUrl, lepaoData)
                const { data } = lepaoRes
                this.logger.info(`${account}绑定乐跑数据返回结果: ${JSON.stringify(data)}`)

                if (!data || data.status !== 1 || !data.data) {
                    this.setStatusFail(account)
                    throw new Error(data?.info || '未知错误，请尝试重新登录')
                }

                await this.addRecord(uuid, account, data.data, path_id)

                // 获取剩余跑步次数
                const recordData = await this.getRecord(uid, token, school_id, account)
                this.logger.info(`${account}获取剩余跑步次数结果: ${JSON.stringify(recordData)}`)

                let term_num = recordData?.term_num || 0
                let total_num = recordData?.total_num || 30

                if (data.data.record_failed_reason === '自动确认有效') {
                    await this.sendSuccessEmail(account, data.data, term_num, total_num)
                } else {
                    this.logger.warn(`${account}乐跑失败，原因: ${data.data.record_failed_reason}`)
                    await this.sendFailEmail(account, data.data.record_failed_reason)
                    await this.lepaoFail(uuid)
                }

                let recordSql = 'UPDATE lepao_account SET term_num = ?, total_num = ? WHERE student_num = ?'
                let recordRows = await db.query(recordSql, [term_num, total_num, account])
                if (!recordRows || recordRows.affectedRows !== 1)
                    this.logger.warn(`${account}更新乐跑次数失败`)
                else
                    this.logger.info(`${account}更新乐跑次数成功 term_num=${term_num}, total_num=${total_num}`)
            } catch (error) {
                this.logger.error(`${account}绑定乐跑数据失败: ${error.stack || error.message}`)
                await this.lepaoFail(uuid)
                throw error
            }
        } catch (error) {
            this.logger.error(`${account}乐跑流程异常: ${error.stack || error.message}`)
            await this.sendFailEmail(account, error.message || '未知错误，请尝试重新登录')
        }
    }

    async addRecord(uuid, account, result, path_id) {
        try {
            const time = Date.now()
            this.logger.info(`${account}添加乐跑记录，path_id=${path_id}`)
            const sql = 'INSERT INTO lepao_record (uuid, time, lepao_account, result, path_id) VALUES (?, ?, ?, ?, ?)'
            await db.query(sql, [uuid, time, account, result, path_id])
            this.logger.info(`${account}添加乐跑记录成功`)
        } catch (error) {
            this.logger.error(`添加乐跑记录失败: ${error.stack || error.message}`)
        }
    }

    async sendSuccessEmail(account, lepaoData, term_num, total_num) {
        try {
            this.logger.info(`${account}发送乐跑成功邮件`)
            const emailSql = 'SELECT name, email FROM lepao_account WHERE student_num = ?'
            const rows = await db.query(emailSql, [account])
            if (!rows || rows.length === 0) {
                this.logger.error(`${account}查找用户邮箱失败`)
                throw new Error('查找用户邮箱失败')
            }

            const data = {
                ...lepaoData,
                term_num,
                total_num,
                name: rows[0].name,
                account
            }

            await EmailTemplate.lepaoSuccess(rows[0].email, data)
            this.logger.info(`${account}乐跑成功邮件发送完成`)

            if (total_num === term_num) {
                this.logger.info(`${account}乐跑目标完成，发送乐跑结束邮件并关闭自动乐跑`)
                await EmailTemplate.lepaoOver(rows[0].email, data)
                let overSql = 'UPDATE lepao_account SET auto_run = 0 WHERE student_num = ?'
                let overRows = await db.query(overSql, [account])
                if (!overRows || overRows.affectedRows !== 1)
                    this.logger.warn(`${account}乐跑结束后关闭自动乐跑失败`)
                else
                    this.logger.info(`${account}自动乐跑关闭成功`)
            }
        } catch (error) {
            this.logger.error(`发送成功邮件失败: ${error.stack || error.message}`)
        }
    }

    async sendFailEmail(account, reason) {
        try {
            this.logger.info(`${account}发送乐跑失败邮件，原因: ${reason}`)
            const emailSql = 'SELECT name, email FROM lepao_account WHERE student_num = ?'
            const rows = await db.query(emailSql, [account])
            if (!rows || rows.length == 0) {
                this.logger.error(`${account}查找用户邮箱失败`)
                throw new Error('查找用户邮箱失败')
            }

            const data = {
                name: rows[0].name,
                account,
                reason: reason === 'Request failed with status code 503' ? 'RunForge系统维护中，请稍后再试' : reason
            }

            await EmailTemplate.lepaoFail(rows[0].email, data)
            this.logger.info(`${account}乐跑失败邮件发送完成`)
        } catch (error) {
            this.logger.error(`发送失败邮件失败: ${error.stack || error.message}`)
        }
    }

    async lepaoFail(uuid) {
        try {
            this.logger.info(`返还用户 ${uuid} 乐跑次数`)
            const sql = 'UPDATE users SET lepao_count = lepao_count + 1 WHERE uuid  = ?'
            await db.query(sql, [uuid])
            this.logger.info(`返还用户 ${uuid} 乐跑次数成功`)
        } catch (error) {
            this.logger.error(`返还用户 ${uuid} 乐跑次数时出错: ${error.stack || error.message}`)
        }
    }

    async setStatusFail(account) {
        try {
            this.logger.info(`${account}设置账号为未启用`)
            const sql = 'UPDATE lepao_account SET state = 0 WHERE student_num  = ?'
            await db.query(sql, [account])
            this.logger.info(`${account}账号状态设置为未启用成功`)
        } catch (error) {
            this.logger.error(`设置用户 ${account} state时出错: ${error.stack || error.message}`)
        }
    }
}

const lepao = new Lepao()
module.exports.lepao = lepao