package dao

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

type CaseCommentDao struct {
}

// GetCaseCommentById 获取数据-id
func (r *CaseCommentDao) GetCaseCommentById(commentId int64) (m *model.CaseComment, err error) {
	err = global.Db.First(&m, commentId).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

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

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

// DeleteCaseCommentById 删除-id
func (r *CaseCommentDao) DeleteCaseCommentById(tx *gorm.DB, commentId int64) error {
	if err := tx.Delete(&model.CaseComment{}, commentId).Error; err != nil {
		return err
	}
	return nil
}

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

// EditCaseCommentById 修改-id
func (r *CaseCommentDao) EditCaseCommentById(tx *gorm.DB, commentId int64, data interface{}) error {
	err := tx.Model(&model.CaseComment{}).Where("comment_id = ?", commentId).Updates(data).Error
	if err != nil {
		return err
	}
	return nil
}

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

// GetCaseCommentListLimit 获取列表-限制数量
func (r *CaseCommentDao) GetCaseCommentListLimit(maps interface{}, limit int) (m []*model.CaseComment, err error) {
	err = global.Db.Where(maps).Limit(limit).Find(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

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

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

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

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

// GetCaseCommentPageSearch 获取列表-分页
func (r *CaseCommentDao) GetCaseCommentPageSearch(req requests.GetCaseCommentPage, page, pageSize int) (m []*model.CaseComment, total int64, err error) {
	var totalRecords int64

	// 构建查询条件
	query := global.Db.Model(&model.CaseComment{})

	// 用户
	query = query.Preload("User")

	// 用户医院
	query = query.Preload("User.Hospital")

	query = query.Where("case_id = ?", req.CaseId)
	//query = query.Where("platform_id = ?", req.PlatformId)

	if req.RootId == "" {
		query = query.Where("level = ?", 1)
	} else {
		query = query.Where("root_id = ?", req.RootId)
	}

	query = query.Where("status = ?", 1)

	// 排序
	query = query.Order("created_at desc")

	// 查询总数量
	if err = query.Count(&totalRecords).Error; err != nil {
		return nil, 0, err
	}

	err = query.Scopes(model.Paginate(page, pageSize)).Find(&m).Error
	if err != nil {
		return nil, 0, err
	}
	return m, totalRecords, nil
}

// GetCaseCommentPreloadListLimit 获取列表-限制数量
func (r *CaseCommentDao) GetCaseCommentPreloadListLimit(maps interface{}, limit int) (m []*model.CaseComment, err error) {
	// 构建查询条件
	query := global.Db.Model(&model.CaseComment{})

	// 用户
	query = query.Preload("User")

	// 用户医院
	query = query.Preload("User.Hospital")

	// 排序
	query = query.Order("created_at desc")

	err = query.Where(maps).Limit(limit).Find(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

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

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