const { models } = require('../db')
const { validateField, handleAdd, handleUpdate, handleDelete } = require('../common')
/**
 * 
 * 售后管理    表格   调 wx_afterservice（售后管理）
 * 
 *         字段展示   用户名  根据 售后管理表 user_id 去 家长表（wx_user）里查_id是否相同 相同取园所名称（name）
 *                   手机号 phone
 *                   园所 根据 售后管理表 school_id 去 学校表（wx_school）里查_id是否相同 相同取园所名称（name）
 *                   订单号 order_id
 *                   图片 —— url
 *                   描述 —— des
 *                   售后状态（0-未处理 1-处理中 2-已处理） —— state
 *                   创建时间 —— createdAt
 * 
 *          查询  调 wx_afterservice（售后管理）
 *                user_id —— 用户名
 *                phone —— 手机号
 *                school_id —— 园所_id  园所是下拉  调 wx_school（园所表）
 *                state —— 售后状态（0-未处理 1-处理中 2-已处理）
 * 
 *          修改  调 wx_afterservice（售后管理）
 *                state —— 售后状态
 *                加传 _id
 * 
 * 
 */
/**
 * 查询所有学校
 * @param {*} parameter 
 */
async function findSchoolAll(parameter) {
    const result = await models.wx_school.list({
        select: {
            _id: true,
            name: true,
            phone: true,
            remark: true,
            adress: true,
            contacts: true,
        },
        filter: {
            where: {}
        },
        getCount: true,
        pageSize: 100,
        pageNumber: 1,
        envType: "prod"
    })
    return result
}
/**
 * 新增售后
 * @param {*} school_id 学校Id
 * @param {*} user_id 用户Id
 * @param {*} order_id 订单Id
 * @param {*} phone 手机号码
 * @param {*} des 描述
 * @param {*} url 图片路径(数组)
 * @param {*} goods_id 商品Id
 * @returns 
 */
async function addAfterService(parameter) {
    const { school_id, user_id, order_id, phone, des, url, goods_id } = parameter
    const v1 = validateField(school_id, 'school_id')
    if (!v1.flag) {
        return {
            success: false,
            msg: v1.msg
        }
    }
    const v2 = validateField(user_id, 'user_id')
    if (!v2.flag) {
        return {
            success: false,
            msg: v2.msg
        }
    }
    const v3 = validateField(order_id, 'order_id')
    if (!v3.flag) {
        return {
            success: false,
            msg: v3.msg
        }
    }
    const v4 = validateField(phone, 'phone')
    if (!v4.flag) {
        return {
            flag: false,
            msg: v4.msg
        }
    }
    const v5 = validateField(des, 'des')
    if (!v5.flag) {
        return {
            flag: false,
            msg: v5.msg
        }
    }
    const v6 = validateField(url, 'url')
    if (!v6.flag) {
        return {
            flag: false,
            msg: v6.msg
        }
    }
    const v7 = validateField(goods_id, 'goods_id')
    if (!v7.flag) {
        return {
            flag: false,
            msg: v7.msg
        }
    }

    const data = {
        school_id,
        user_id,
        order_id,
        phone,
        des,
        url,
        goods_id,
        state: 0,
        createdAt: new Date().getTime(),
    }
    return await handleAdd(parameter, data, 'wx_afterservice')
}
/**
 * 根据Id删除售后
 * @param {*} _id 规格Id 
 */
async function deleteAfterService(parameter) {
    const { _id } = parameter
    return handleDelete(parameter, _id, 'wx_afterservice')
}
/**
 * 编辑售后管理
 * @param {*} _id 主键Id
 * @param {*} school_id 学校Id
 * @param {*} user_id 用户Id
 * @param {*} order_id 订单Id
 * @param {*} phone 手机号码
 * @param {*} des 描述
 * @param {*} url 图片路径(数组)
 * @param {*} goods_id 商品Id
 * @returns 
 */
async function updateAfterService(parameter) {
    const { _id, school_id, user_id, order_id, phone, des, url, goods_id, state } = parameter
    const obj = {}
    const v0 = validateField(_id, '_id')
    if (!v0.flag) {
        return {
            success: false,
            msg: v0.msg
        }
    }
    const v1 = validateField(school_id, 'school_id')
    if (v1.flag) {
        obj.school_id = school_id
    }
    const v2 = validateField(user_id, 'user_id')
    if (v2.flag) {
        obj.user_id = user_id
    }
    const v3 = validateField(order_id, 'order_id')
    if (v3.flag) {
        obj.order_id = order_id
    }
    const v4 = validateField(phone, 'phone')
    if (v4.flag) {
        obj.phone = phone
    }
    const v5 = validateField(des, 'des')
    if (v5.flag) {
        obj.des = des
    }
    const v6 = validateField(url, 'url')
    if (v6.flag) {
        obj.url = url
    }
    const v7 = validateField(goods_id, 'goods_id')
    if (v7.flag) {
        obj.goods_id = goods_id
    }

    const v8 = validateField(state, 'state')
    if (v8.flag) {
        obj.state = state
    }
    return await handleUpdate(parameter, _id, obj, 'wx_afterservice')
}
/**
 * 分页查询售后管理
 * @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 findAfterServicePage(parameter) {
    const { username, phone, school_id, state, 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 (username != null) {
        condition += " where u.user_name like '%{{username}}%' "
        params.username = username
    }
    if (phone != null) {
        if (condition) {
            condition += " and u.phone like '%{{phone}}%' "
        } else {
            condition += " where u.phone like '%{{phone}}%'  "
        }
        params.phone = phone
    }
    if (school_id != null) {
        if (condition) {
            condition += " and s._id = {{school_id}} "
        } else {
            condition += " where s._id = {{school_id}} "
        }
        params.school_id = school_id
    }
    if (state != null) {
        if (condition) {
            condition += " and a.state = {{state}} "
        } else {
            condition += " where a.state = {{state}} "
        }
        params.state = state
    }
    if (startTime != null && endTime != null) {
        if (condition) {
            condition += " and a.createdAt >= {{startTime}} and a.createdAt <= {{endTime}} "
        } else {
            condition += " where a.createdAt >= {{startTime}} and a.createdAt <= {{endTime}} "
        }
        params.startTime = startTime
        params.endTime = endTime
    }

    const skip = (pageNum - 1) * pageSize
    // 查询sql
    const sql = "select " +
        "a._id      as _id, " +
        "u.name      as username, " +
        "u.phone     as phone, " +
        "s.name      as schoolName, " +
        "o.order_id  as orderId, " +
        "a.url       as url, " +
        "a.des       as description, " +
        "a.state     as state, " +
        "a.createdAt as createdAt " +
        "from wx_afterservice a " +
        "left join wx_user u on a.user_id = u._id " +
        "left join wx_school s on a.school_id = s._id " +
        "left join orders o on a.order_id = o._id" +
        condition +
        " order by createdAt desc " + "limit " + skip + ", " + pageSize
    const countSql = "select count(*) as total from wx_afterservice a " +
        "left join wx_user u on a.user_id = u._id " +
        "left join wx_school s on a.school_id = s._id " +
        "left join orders o on a.order_id = o._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 findAfterServiceById(parameter) {
    const { _id } = parameter
    return handleFindByField(parameter, _id, 'wx_afterservice')
}

module.exports = {
    findSchoolAll,
    addAfterService,
    deleteAfterService,
    updateAfterService,
    findAfterServicePage,
    findAfterServiceById,
}