package newCentralControl

import (
	"errors"
	"fmt"
	"gorm.io/gorm"
	"log-server/global"
	"log-server/model/common/request"
	"log-server/model/newCentralControl"
	newCentralControlRequest "log-server/model/newCentralControl/request"
)

type ComputerTaskService struct {
}

//创建电脑任务
func (s *ComputerTaskService) CreateComputerTask(task newCentralControl.ComputerTask) (err error) {
	var entity newCentralControl.ComputerTask
	//查找此电脑编号和此配置id是否存在
	err = global.GVA_DB.Model(&newCentralControl.ComputerTask{}).Where("pc_code = ? and conf_id = ?", task.PcCode, task.ConfId).First(&entity).Error
	if !errors.Is(err, gorm.ErrRecordNotFound) {
		return errors.New("此电脑已添加此任务配置，请勿重复添加")
	}
	return global.GVA_DB.Model(&newCentralControl.ComputerTask{}).Omit("create_time", "update_time").Create(&task).Error
}

//删除电脑任务
func (s *ComputerTaskService) DeleteComputerTask(task newCentralControl.ComputerTask) (err error) {
	var entity newCentralControl.ComputerTask
	err = global.GVA_DB.Model(&newCentralControl.ComputerTask{}).Where("id", task.Id).First(&entity).Error
	if errors.Is(err, gorm.ErrRecordNotFound) {
		return errors.New("此配置不存在，无法删除")
	}
	return global.GVA_DB.Model(&newCentralControl.ComputerTask{}).Delete(&entity).Error

}

//更新电脑任务
func (s *ComputerTaskService) UpdateComputerTask(task newCentralControl.ComputerTask) (err error) {
	var entity newCentralControl.ComputerTask
	err = global.GVA_DB.Model(&newCentralControl.ComputerTask{}).Where("id != ? and pc_code = ? and task_id = ?", task.Id, task.PcCode, task.TaskId).First(&entity).Error
	if !errors.Is(err, gorm.ErrRecordNotFound){
		return errors.New("已存在相同的任务，无法更改")
	}
	return global.GVA_DB.Model(&newCentralControl.ComputerTask{}).Where("id", task.Id).Omit("create_time", "update_time").Updates(&task).Error
}

//单个获取电脑任务
func (s *ComputerTaskService) GetComputerTaskById(id int) (task newCentralControl.ComputerTask, err error) {
	err = global.GVA_DB.Model(&newCentralControl.ComputerTask{}).Where("id", id).First(&task).Error
	return task, err
}

//更新任务状态
func (s *ComputerTaskService) UpdateTaskStatus (req newCentralControlRequest.UpdateTaskStatus) (err error) {
	var entity newCentralControl.ComputerTask
	err = global.GVA_DB.Model(&newCentralControl.ComputerTask{}).Where("id", req.Id).First(&entity).Error
	if errors.Is(err, gorm.ErrRecordNotFound) {
		return errors.New("请传入正确的Id")
	}
	//更新状态
	return global.GVA_DB.Model(&newCentralControl.ComputerTask{}).Where("id", req.Id).Update("status", req.Status).Error
}


//中控获取下发电脑任务
func (s *ComputerTaskService) GetRunningTasks(pcCode string) (err error, confList []newCentralControl.GameConf) {
	//根据电脑编号查询出配置id，根据配置id查询出具体配置
	var taskList []newCentralControl.ComputerTask
	var confIdList []int
	err = global.GVA_DB.Model(&newCentralControl.ComputerTask{}).Where("pc_code = ? and status = 1", pcCode).Find(&taskList).Error
	//fmt.Println(taskList)
	if err != nil {
		return err,confList
	}
	for k,_ := range taskList {
		confIdList = append(confIdList, taskList[k].ConfId)
	}
	//fmt.Println("hahah")
	//fmt.Println(confIdList)
	err = global.GVA_DB.Model(&newCentralControl.GameConf{}).Where("id in ?", confIdList).Find(&confList).Error
	return err,confList
}

//上传电脑信息
func (s *ComputerTaskService) UploadPcInfo(pcCode string, pcName string, user string) (err error){
	var info newCentralControl.PcInfo
	var entity newCentralControl.PcInfo
	info.PcCode = pcCode
	info.PcName = pcName
	info.User = user
	err = global.GVA_DB.Model(&newCentralControl.PcInfo{}).Where("pc_code = ?", pcCode).First(&entity).Error
	if !errors.Is(err, gorm.ErrRecordNotFound) {
		return errors.New("此电脑编号已存在，请勿重复添加")
	}
	return global.GVA_DB.Model(&newCentralControl.PcInfo{}).Omit("create_time", "update_time").Create(&info).Error
}

//获取电脑任务列表
func (s *ComputerTaskService) GetComputerTaskList(task newCentralControl.ComputerTask, info request.PageInfo, order string, desc bool) (list interface{}, total int64, err error) {
	//获取limit和offset
	limit := info.PageSize
	offset := (info.Page - 1) * info.PageSize
	db := global.GVA_DB.Model(&newCentralControl.ComputerTask{})
	var taskList []newCentralControl.ComputerTask

	//先条件过滤
	if task.TaskId != 0 {
		//条件过滤记录数
		db = db.Where("task_id", task.TaskId)
	}

	err = db.Count(&total).Error
	if err != nil{
		//如果出错直接返回
		return taskList, total, err
	} else {
		//先分页再排序
		db = db.Limit(limit).Offset(offset)
		if order != ""{
			//传入排序字段，进行排序
			//定义orderStr存储完整的排序字段
			var  orderStr string
			//为了避免sql注入，自己创建数组匹配
			orderMap := make(map[string]bool, 3)
			orderMap["task_id"] = true
			orderMap["create_time"] = true
			orderMap["update_time"] = true
			if orderMap[order] {
				if desc {
					orderStr = order + " desc"
				} else {
					orderStr = order
				}
			} else {
				//传入非法字段，不能排序
				err = fmt.Errorf("传入非法字段 %v", order)
				return taskList, total, err
			}
			//排序
			err = db.Order(orderStr).Find(&taskList).Error
		} else {
			//没有传入排序字段，默认按照类型名称降序排序
			err = db.Order("id desc").Find(&taskList).Error
		}
	}
	//是因为只有切片能排序，model没办法排序;还是说为了将数组返回至前端才find扫描至切片呢？
	return taskList, total, err
}

//获取游戏配置信息
func (s *ComputerTaskService) GetGameConfInfo () (list interface{}, err error)  {
	var infoList []newCentralControl.GameConfInfo
	db := global.GVA_DB.Model(&newCentralControl.GameConf{}).Select("game_conf.task_id, game_conf.id as conf_id, game_conf.conf_name, game_task.task_name")
	err = db.Joins("left join game_task on game_conf.task_id = game_task.task_id").Find(&infoList).Error
	return infoList, err
}