'use strict';
const moment = require('moment')

function getDeviceList(opts) {
    return async function (ctx, next) {

        const models = ctx.fs.dc.models;
        const { page, limit, name } = ctx.query;
        const Op = ctx.fs.dc.ORM.Op;
        let errMsg = { message: '获取设备失败' }
        try {
            let searchWhere = {}
            let option = {
                where: searchWhere,
                order: [["id", "desc"]],
                include: [{ model: models.PointDevice }]
            }

            if (name) {
                searchWhere.name = { $like: `%${name}%` };
            }

            option.where = searchWhere
            let limit_ = limit || 10;
            let page_ = page || 1;
            let offset = (page_ - 1) * limit_;
            if (limit && page) {
                option.limit = limit_
                option.offset = offset
            }

            const res = await models.Device.findAndCount(option);
            ctx.status = 200;
            ctx.body = res;
        } catch (error) {
            ctx.fs.logger.error(`path: ${ctx.path}, error: ${error}`);
            ctx.status = 400;
            ctx.body = errMsg
        }
    }
}

// 新增设备
function addDevice(opts) {
    let message = '新建设备失败'
    return async function (ctx, next) {

        const models = ctx.fs.dc.models;
        try {
            if (Array.isArray(ctx.request.body)) {
                const names = ctx.request.body.map(s => s.name)
                const checkName = await models.Device.findOne({ where: { name: { $in: names } } });
                if (checkName) {
                    message = checkName.name + '名称已存在'
                    throw new Error(message)
                } else {
                    await models.Device.bulkCreate(ctx.request.body)
                    ctx.status = 204;
                    ctx.body = { message: '批量导入设备成功' }
                }

            } else {
                const { name } = ctx.request.body
                const checkName = await models.Device.findOne({ where: { name } });
                if (checkName) {
                    message = '该设备名称已存在'
                    throw new Error(message)
                } else {
                    let rslt = ctx.request.body;
                    await models.Device.create(Object.assign({}, rslt))
                    ctx.status = 204;
                    ctx.body = { message: '新建设备成功' }
                }
            }

        } catch (error) {
            ctx.fs.logger.error(`path: ${ctx.path}, error: ${error}`);
            ctx.status = 400;
            ctx.body = { message: message }
        }
    }
}

// 修改设备
function editDevice(opts) {
    let message = '新建设备失败'
    return async function (ctx, next) {

        try {
            const models = ctx.fs.dc.models;
            const { id } = ctx.params;
            const body = ctx.request.body;

            const { name } = ctx.request.body;

            const checkName = await models.Device.findOne({ where: { id: { $not: id }, name } });
            if (checkName) {
                message = '该设备名称已存在'
                throw new Error(message)
            } else {
                await models.Device.update(
                    body,
                    { where: { id: id, } }
                )
                ctx.status = 204;
                ctx.body = { message: '修改设备成功' }
            }


        } catch (error) {
            ctx.fs.logger.error(`path: ${ctx.path}, error: ${error}`);
            ctx.status = 400;
            ctx.body = { message: message }
        }
    }
}

// 删除设备
function deleteDevice(opts) {
    return async function (ctx, next) {

        let message = '删除设备失败'
        try {
            const models = ctx.fs.dc.models;
            const { id } = ctx.params;
            if (id) {
                let exitPointDevice = await models.PointDevice.findOne({ where: { deviceId: { $in: id.split(',') } } })
                if (exitPointDevice) {
                    message = '该设备已绑定点位 无法删除！'
                    throw new Error(message)
                }

                await models.Device.destroy({
                    where: {
                        id: { $in: id.split(',') }
                    }
                })
                ctx.status = 204;
                ctx.body = { message: '删除设备成功' }
            } else {
                throw new Error('参数异常！')
            }

        } catch (error) {
            ctx.fs.logger.error(`path: ${ctx.path}, error: ${error}`);
            ctx.status = 400;
            ctx.body = { message: message }
        }
    }
}

module.exports = {
    getDeviceList,
    addDevice,
    editDevice,
    deleteDevice
}