package service

import (
	"errors"
	"gas-cylinder-api/app/admin/model"
	"gas-cylinder-api/app/admin/service/dto"
	"gas-cylinder-api/common/actions"
	cDto "gas-cylinder-api/common/dto"
	"gas-cylinder-api/common/global"
	"gogs.baozhida.cn/zoie/OAuth-core/service"
	"gorm.io/gorm"
)

type CarInfo struct {
	service.Service
}

func CarInfoStartTransportTimeScopes(startTransportTime string) func(db *gorm.DB) *gorm.DB {

	return func(db *gorm.DB) *gorm.DB {
		if len(startTransportTime) == 0 {
			return db
		}
		return db.Where("JSON_EXTRACT(prov_car_info, '$.transportTime') >= ? ", startTransportTime)
	}
}

func CarInfoEndTransportTimeScopes(endTransportTime string) func(db *gorm.DB) *gorm.DB {

	return func(db *gorm.DB) *gorm.DB {
		if len(endTransportTime) == 0 {
			return db
		}
		return db.Where("JSON_EXTRACT(prov_car_info, '$.transportTime') <= ? ", endTransportTime)
	}
}

// GetPage 获取CarInfo列表
func (e *CarInfo) GetPage(c *dto.CarInfoGetPageReq, list *[]model.CarInfo, count *int64, p *actions.DataPermission) error {
	var err error
	var data model.CarInfo

	err = e.Orm.Model(&data).
		Scopes(
			CarInfoStartTransportTimeScopes(c.StartTransportTime),
			CarInfoEndTransportTimeScopes(c.EndTransportTime),
			cDto.MakeCondition(c.GetNeedSearch()),
			cDto.Paginate(c.GetPageSize(), c.GetPageIndex()),
			actions.Permission(data.TableName(), p),
		).Preload("TruckUserCarInfo.User").
		Find(list).Limit(-1).Offset(-1).
		Count(count).Error
	if err != nil {
		e.Log.Errorf("db error: %s", err)
		return global.GetFailedErr
	}
	return nil
}

// Get 获取CarInfo对象
func (e *CarInfo) Get(d *dto.CarInfoGetReq, carInfoModel *model.CarInfo, p *actions.DataPermission) error {
	err := e.Orm.
		Scopes(actions.Permission(carInfoModel.TableName(), p)).
		First(carInfoModel, d.GetId()).Error

	if err != nil {
		e.Log.Errorf("db error: %s", err)
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return global.GetNotFoundOrNoPermissionErr
		}
		return global.GetFailedErr
	}

	return nil
}

// Insert 创建CarInfo对象
func (e *CarInfo) Insert(c *dto.CarInfoInsertReq) error {
	var err error
	var data model.CarInfo

	tx := e.Orm.Begin()
	defer func() {
		if err != nil {
			tx.Rollback()
		} else {
			tx.Commit()
		}
	}()

	// TODO 1.1.1.12新运输增车辆信息

	// 查询车辆信息是否存在
	err = e.Orm.Where("car_no = ?", c.ProvCarInfo.CarNo).First(&data).Error
	if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
		e.Log.Errorf("db error: %s", err)
		return global.CreateFailedErr
	}
	if data.Id > 0 {
		return errors.New("车辆信息已存在")
	}
	// 添加车辆信息
	c.Generate(&data)
	err = tx.Create(&data).Error
	if err != nil {
		e.Log.Errorf("db error: %s", err)
		return global.CreateFailedErr
	}
	c.Id = data.Id
	return nil

}

// Update 修改CarInfo对象
func (e *CarInfo) Update(c *dto.CarInfoUpdateReq, p *actions.DataPermission) error {
	var err error

	tx := e.Orm.Begin()
	defer func() {
		if err != nil {
			tx.Rollback()
		} else {
			tx.Commit()
		}
	}()

	var carInfoModel = model.CarInfo{}
	// 查询车辆信息是否存在
	err = e.Orm.Scopes(actions.Permission(carInfoModel.TableName(), p)).
		First(&carInfoModel, c.GetId()).Error
	if err != nil {
		e.Log.Errorf("db error: %s", err)
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return global.UpdateNotFoundOrNoPermissionErr
		}
		return global.UpdateFailedErr
	}

	// TODO 1.1.1.13更新车辆信息

	c.Generate(&carInfoModel)
	err = tx.Save(&carInfoModel).Error
	if err != nil {
		e.Log.Errorf("db error: %s", err)
		return global.UpdateFailedErr
	}

	c.Id = carInfoModel.Id

	return nil
}

// Remove 删除CarInfo
func (e *CarInfo) Remove(c *dto.CarInfoDeleteReq, p *actions.DataPermission) error {
	var err error

	tx := e.Orm.Begin()
	defer func() {
		if err != nil {
			tx.Rollback()
		} else {
			tx.Commit()
		}
	}()

	var carInfoModel model.CarInfo

	// 查询车辆信息是否存在
	err = e.Orm.Scopes(actions.Permission(carInfoModel.TableName(), p)).
		First(&carInfoModel, c.GetId()).Error
	if err != nil {
		e.Log.Errorf("db error: %s", err)
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return global.DeleteNotFoundOrNoPermissionErr
		}
		return global.DeleteFailedErr
	}

	// TODO 1.1.1.14注销车辆信息

	db := tx.Delete(&carInfoModel)

	if err = db.Error; err != nil {
		e.Log.Errorf("db error: %s", err)
		return global.DeleteFailedErr
	}
	if db.RowsAffected == 0 {
		return global.DeleteNotFoundOrNoPermissionErr
	}

	return nil
}

func (e *CarInfo) BindTruckUser(c *dto.CarInfoBindTruckUserReq) error {
	var err error
	var data model.TruckUserCarInfo

	tx := e.Orm.Begin()
	defer func() {
		if err != nil {
			tx.Rollback()
		} else {
			tx.Commit()
		}
	}()

	// 查询车辆是否绑定了其他货车司机
	var truckUserCarInfo = model.TruckUserCarInfo{}
	// 查询车辆信息是否存在
	err = e.Orm.Where("car_no = ?", c.CarNo).First(&truckUserCarInfo).Error
	if err != nil {
		e.Log.Errorf("db error: %s", err)
		if errors.Is(err, gorm.ErrRecordNotFound) {
			data.ProvUserId = c.UserId
			data.CarNo = c.CarNo
			err = tx.Create(&data).Error
			if err != nil {
				e.Log.Errorf("db error: %s", err)
				return global.CreateFailedErr
			}
			// TODO 1.1.1.15货车司机绑定车辆信息

			c.CarNo = data.CarNo
			return nil
		}
		return global.UpdateFailedErr
	}

	// TODO 1.1.1.15货车司机绑定车辆信息
	truckUserCarInfo.ProvUserId = c.UserId

	err = tx.Updates(&truckUserCarInfo).Error
	if err != nil {
		e.Log.Errorf("db error: %s", err)
		return global.CreateFailedErr
	}
	c.CarNo = data.CarNo
	return nil

}