const { models } = require('../db')
const { validateField, handleAdd, handleUpdate, handleDelete, handleFindByField } = require('../common')

/**
 * 
 * 记录用户行为 表格   调 monitor_behavior（监听用户行为）
 * 
 *         字段展示   用户名  根据 监听用户行为表 user_id 去 老师表（wx_teacher_user）里查_id是否相同 相同取园所名称（name）
 *                   进入时间 —— start_time
 *                   退出时间 —— end_time
 *                   流量时长 —— duration
 *                   修改后手机号 —— update_phone
 *                   修改后收货人 —— update_name
 *                   下单时间 —— createdAt
 * 
 *          查询  调 monitor_behavior（监听用户行为）
 *                createdAt —— 创建时间
 * 
 * 
 */
/**
 * 新增
 * @param {*} user_id 用户Id
 * @param {*} type 用户端(0-教师 1-家长)
 * @param {*} duration 时长
 * @param {*} start_time 进入时间
 * @param {*} end_time 退出时间
 * @param {*} file_id 课件Id
 * @returns 
 */
async function addMmonitorBehavior(parameter) {
    const { user_id, type, duration, start_time, end_time, file_id } = parameter
    const v1 = validateField(user_id, 'user_id')
    if (!v1.flag) {
        return {
            success: false,
            msg: v1.msg
        }
    }
    const v2 = validateField(type, 'type')
    if (!v2.flag) {
        return {
            success: false,
            msg: v2.msg
        }
    }
    const v3 = validateField(file_id, 'file_id')
    if (!v3.flag) {
        return {
            success: false,
            msg: v3.msg
        }
    }
    const v4 = validateField(start_time, 'start_time')
    if (!v4.flag) {
        return {
            success: false,
            msg: v4.msg
        }
    }

    const data = {
        user_id, type, duration, start_time, end_time
    }
    return await handleAdd(parameter, data, 'monitor_behavior')
}
/**
 * 根据Id删除
 * @param {*} _id Id 
 */
async function deleteMmonitorBehavior(parameter) {
    const { _id } = parameter
    return handleDelete(parameter, _id, 'monitor_behavior')
}
/**
 * 编辑
 * @param {*} _id 主键Id
 * @param {*} user_id 用户Id
 * @param {*} type 用户端(0-教师 1-家长)
 * @param {*} duration 时长
 * @param {*} start_time 进入时间
 * @param {*} end_time 退出时间
 * @param {*} file_id 课件Id
 * @returns 
 */
async function updateMmonitorBehavior(parameter) {
    const { _id, user_id, type, duration, start_time, end_time, file_id } = parameter
    const obj = {}
    const v0 = validateField(_id, '_id')
    if (!v0.flag) {
        return {
            success: false,
            msg: v0.msg
        }
    }
    const v1 = validateField(user_id, 'user_id')
    if (v1.flag) {
        obj.user_id = user_id
    }
    const v2 = validateField(type, 'type')
    if (v2.flag) {
        obj.type = type
    }
    const v3 = validateField(duration, 'duration')
    if (v3.flag) {
        obj.duration = duration
    }
    const v4 = validateField(start_time, 'start_time')
    if (v4.flag) {
        obj.start_time = start_time
    }
    const v5 = validateField(end_time, 'end_time')
    if (v5.flag) {
        obj.end_time = end_time
    }
    const v6 = validateField(file_id, 'file_id')
    if (v6.flag) {
        obj.file_id = file_id
    }
    return await handleUpdate(parameter, _id, obj, 'monitor_behavior')
}
/**
 * 分页查询
 * @param {*} startTime 开始时间
 * @param {*} endTime 结束时间
 * @param {*} pageNum 当前页面
 * @param {*} pageSize 每页展示数量
 * @returns 分页数据
 */
async function findMmonitorBehaviorPage(parameter) {
    const { startTime, endTime, pageNum, pageSize } = parameter
    const v1 = validateField(pageNum)
    if (!v1.flag) {
        return {
            success: false,
            records: [],
            msg: v1.msg
        }
    }
    const v2 = validateField(pageSize)
    if (!v2.flag) {
        return {
            success: false,
            records: [],
            msg: v2.msg
        }
    }
    // 查询参数
    const params = {
        pageNum,
        pageSize
    }
    // 拼接查询条件
    let condition = ""
    if (startTime != null && endTime != null) {
        condition += " where mb.createdAt >= {{startTime}} and mb.createdAt <= {{endTime}} "
        params.startTime = startTime
        params.endTime = endTime
    }

    const skip = (pageNum - 1) * pageSize
    // 查询sql
    const sql = "select " +
        "mb._id, " +
        "tu.user_name, " +
        "mb.start_time, " +
        "mb.end_time, " +
        "mb.duration, " +
        "mb.createdAt, " +
        "(select count(*) from download_history dh where dh.user_id = mb.user_id and mb.file_id = dh.file_manage_id) as total " +
        "from monitor_behavior mb " +
        "left join wx_teacher_user tu on mb.user_id = tu._id " +
        condition +
        " order by mb.createdAt desc " + "limit " + skip + ", " + pageSize


    const countSql = "select count(*) as total from monitor_behavior mb " +
        "left join wx_teacher_user tu on mb.user_id = tu._id " +
        condition
    try {
        // 查询数据sql
        const records = await models.$runSQL(sql, params)
        const count = await models.$runSQL(countSql, params)
        return {
            sql,
            countSql,
            params,
            success: true,
            msg: '查询成功',
            records: records.data.executeResultList,
            total: count.data.executeResultList[0].total
        }
    } catch (error) {
        return {
            success: false,
            msg: '查询失败',
            params,
            sql,
            countSql,
            error: error
        }
    }
}
/**
 * 根据Id查询
 * @param {*} _id Id 
 */
async function findMmonitorBehaviorById(parameter) {
    const { _id } = parameter
    return handleFindByField(parameter, _id, 'monitor_behavior')
}

module.exports = {
    addMmonitorBehavior,
    deleteMmonitorBehavior,
    updateMmonitorBehavior,
    findMmonitorBehaviorPage,
    findMmonitorBehaviorById,
}