package dao

import (
	"case-admin-api/api/model"
	"case-admin-api/global"
	"gorm.io/gorm"
	"gorm.io/gorm/clause"
)

type CaseUserAnswerDao struct {
}

// GetCaseUserAnswerById 获取数据-id
func (r *CaseUserAnswerDao) GetCaseUserAnswerById(answerId int64) (m *model.CaseUserAnswer, err error) {
	err = global.Db.First(&m, answerId).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// GetCaseUserAnswerPreloadById 获取数据-加载全部关联-id
func (r *CaseUserAnswerDao) GetCaseUserAnswerPreloadById(answerId int64) (m *model.CaseUserAnswer, err error) {
	err = global.Db.Preload(clause.Associations).First(&m, answerId).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// DeleteCaseUserAnswer 删除
func (r *CaseUserAnswerDao) DeleteCaseUserAnswer(tx *gorm.DB, maps interface{}) error {
	err := tx.Where(maps).Delete(&model.CaseUserAnswer{}).Error
	if err != nil {
		return err
	}
	return nil
}

// DeleteCaseUserAnswerById 删除-id
func (r *CaseUserAnswerDao) DeleteCaseUserAnswerById(tx *gorm.DB, answerId int64) error {
	if err := tx.Delete(&model.CaseUserAnswer{}, answerId).Error; err != nil {
		return err
	}
	return nil
}

// EditCaseUserAnswer 修改
func (r *CaseUserAnswerDao) EditCaseUserAnswer(tx *gorm.DB, maps interface{}, data interface{}) error {
	err := tx.Model(&model.CaseUserAnswer{}).Where(maps).Updates(data).Error
	if err != nil {
		return err
	}
	return nil
}

// EditCaseUserAnswerById 修改-id
func (r *CaseUserAnswerDao) EditCaseUserAnswerById(tx *gorm.DB, answerId int64, data interface{}) error {
	err := tx.Model(&model.CaseUserAnswer{}).Where("answer_id = ?", answerId).Updates(data).Error
	if err != nil {
		return err
	}
	return nil
}

// GetCaseUserAnswerList 获取列表
func (r *CaseUserAnswerDao) GetCaseUserAnswerList(maps interface{}) (m []*model.CaseUserAnswer, err error) {
	err = global.Db.Where(maps).Find(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// GetCaseUserAnswerPreloadList 获取列表-加载全部关联
func (r *CaseUserAnswerDao) GetCaseUserAnswerPreloadList(maps interface{}) (m []*model.CaseUserAnswer, err error) {
	err = global.Db.Preload(clause.Associations).Where(maps).Find(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// GetCaseUserAnswerCount 获取数量
func (r *CaseUserAnswerDao) GetCaseUserAnswerCount(maps interface{}) (total int64, err error) {
	err = global.Db.Model(&model.CaseUserAnswer{}).Where(maps).Count(&total).Error
	if err != nil {
		return 0, err
	}
	return total, nil
}

// GetCaseUserAnswerListRand 获取列表-随机
func (r *CaseUserAnswerDao) GetCaseUserAnswerListRand(maps interface{}, limit int) (m []*model.CaseUserAnswer, err error) {
	err = global.Db.Where(maps).Order("rand()").Limit(limit).Find(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// AddCaseUserAnswer 新增
func (r *CaseUserAnswerDao) AddCaseUserAnswer(tx *gorm.DB, model *model.CaseUserAnswer) (*model.CaseUserAnswer, error) {
	if err := tx.Create(model).Error; err != nil {
		return nil, err
	}
	return model, nil
}

// GetCaseUserAnswer 获取
func (r *CaseUserAnswerDao) GetCaseUserAnswer(maps interface{}) (m *model.CaseUserAnswer, err error) {
	err = global.Db.Where(maps).First(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// GetCaseUserAnswerUseTx 获取
func (r *CaseUserAnswerDao) GetCaseUserAnswerUseTx(tx *gorm.DB, maps interface{}) (m *model.CaseUserAnswer, err error) {
	err = tx.Where(maps).First(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// Inc 自增
func (r *CaseUserAnswerDao) Inc(tx *gorm.DB, answerId int64, field string, numeral int) error {
	err := tx.Model(&model.CaseUserAnswer{}).Where("answer_id = ?", answerId).UpdateColumn(field, gorm.Expr(field+" + ?", numeral)).Error
	if err != nil {
		return err
	}
	return nil
}

// Dec 自减
func (r *CaseUserAnswerDao) Dec(tx *gorm.DB, answerId int64, field string, numeral int) error {
	err := tx.Model(&model.CaseUserAnswer{}).Where("answer_id = ?", answerId).UpdateColumn(field, gorm.Expr(field+" - ?", numeral)).Error
	if err != nil {
		return err
	}
	return nil
}