package dao

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

type OrderSingleDao struct {
}

// GetOrderSingleById 获取数据-id
func (r *OrderSingleDao) GetOrderSingleById(OrderId int64) (m *model.OrderSingle, err error) {
	err = global.Db.First(&m, OrderId).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

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

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

// DeleteOrderSingleById 删除-id
func (r *OrderSingleDao) DeleteOrderSingleById(tx *gorm.DB, orderId int64) error {
	if err := tx.Delete(&model.OrderSingle{}, orderId).Error; err != nil {
		return err
	}
	return nil
}

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

// EditOrderSingleById 修改-id
func (r *OrderSingleDao) EditOrderSingleById(tx *gorm.DB, orderId int64, data interface{}) error {
	err := tx.Model(&model.OrderSingle{}).Where("order_id = ?", orderId).Updates(data).Error
	if err != nil {
		return err
	}
	return nil
}

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

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

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

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

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

// GetOrderSingleOrderList 获取列表-排序
func (r *OrderSingleDao) GetOrderSingleOrderList(maps interface{}, orderField string, limit int) (m []*model.OrderSingle, err error) {
	err = global.Db.Where(maps).Preload(clause.Associations).Order(orderField).Limit(limit).Find(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// GetOrderSingleOrderDistinctList 获取列表-排序-不重复
func (r *OrderSingleDao) GetOrderSingleOrderDistinctList(maps interface{}, orderField string, limit int) (m []*model.OrderSingle, err error) {
	err = global.Db.Where(maps).
		Preload(clause.Associations).
		Distinct("order_single.question_id").
		Order(orderField).
		Limit(limit).
		Find(&m).
		Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// GetOrderSinglePageSearch 获取列表-分页
func (r *OrderSingleDao) GetOrderSinglePageSearch(req requests.GetOrderSinglePage, page, pageSize int) (m []*model.OrderSingle, total int64, err error) {
	var totalRecords int64

	// 构建查询条件
	query := global.Db.Model(&model.OrderSingle{})
	query = query.Where("user_id = ?", req.UserId)
	query = query.Where("is_delete = ?", 0)

	query = query.Preload("Question")

	// 问题id
	if req.QuestionId != "" {
		query = query.Where("question_id = ?", req.QuestionId)
	}

	// 订单状态（1:待支付 2:已完成 3:已取消）
	if req.OrderStatus != nil {
		query = query.Where("order_status = ?", req.OrderStatus)
	}

	// 支付渠道
	if req.PayChannel != nil {
		query = query.Where("pay_channel = ?", req.PayChannel)
	}

	// 支付状态
	if req.PayStatus != nil {
		query = query.Where("pay_status = ?", req.PayStatus)
	}

	// 订单退款状态
	if req.RefundStatus != nil {
		query = query.Where("refund_status = ?", req.RefundStatus)
	}

	// 系统订单编号
	if req.OrderNo != "" {
		query = query.Where("order_no = ?", req.OrderNo)
	}

	// 第三方支付流水号
	if req.EscrowTradeNo != "" {
		query = query.Where("escrow_trade_no = ?", req.EscrowTradeNo)
	}

	// 取消状态
	if req.CancelStatus != nil {
		query = query.Where("cancel_status = ?", req.CancelStatus)
	}

	// 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
}

// GetUserFirstTimeBuyOrderSingle 获取用户首次购买的订单
func (r *OrderSingleDao) GetUserFirstTimeBuyOrderSingle(userId int64) (m *model.OrderSingle, err error) {
	err = global.Db.
		Where("user_id = ?", userId).
		Where("order_status != ?", 3).
		First(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}