package model

import (
	"context"
	"git.noahlan.cn/northlan/ntools-go/gorm-zero/gormc"
	"gorm.io/gorm"
)

var _ GiftModel = (*customGiftModel)(nil)

type (
	// GiftModel is an interface to be customized, add more methods here,
	// and implement the added methods in customGiftModel.
	GiftModel interface {
		giftModel
		// Transaction 开启事务，传入方法即可
		Transaction(ctx context.Context, tx *gorm.DB, fn func(tx *gorm.DB) error) error
		// InsertTx 事务插入
		InsertTx(ctx context.Context, tx *gorm.DB, data *Gift) error
		// UpdateTx 事务更新
		UpdateTx(ctx context.Context, tx *gorm.DB, data *Gift) error
		FindByPlatformGift(ctx context.Context, platform string, giftId string) (*Gift, error)
	}

	customGiftModel struct {
		*defaultGiftModel
	}
)

// NewGiftModel returns a model for the database table.
func NewGiftModel(conn *gorm.DB) GiftModel {
	return &customGiftModel{
		defaultGiftModel: newGiftModel(conn),
	}
}

func (m *customGiftModel) Transaction(ctx context.Context, tx *gorm.DB, fn func(tx *gorm.DB) error) error {
	return withTx(ctx, m.conn, tx).Transaction(func(tx *gorm.DB) error {
		return fn(tx)
	})
}

func (m *customGiftModel) InsertTx(ctx context.Context, tx *gorm.DB, data *Gift) error {
	err := withTx(ctx, m.conn, tx).Create(&data).Error
	return err
}

func (m *customGiftModel) UpdateTx(ctx context.Context, tx *gorm.DB, data *Gift) error {
	err := withTx(ctx, m.conn, tx).Save(data).Error
	return err
}

func (m *customGiftModel) FindByPlatformGift(ctx context.Context, platform string, giftId string) (*Gift, error) {
	var resp Gift
	db := m.conn.WithContext(ctx)
	err := db.Model(&Gift{}).
		Where("platform = ? AND gift_id = ?", platform, giftId).
		Take(&resp).Error
	switch err {
	case nil:
		return &resp, nil
	case gormc.ErrNotFound:
		return nil, ErrNotFound
	default:
		return nil, err
	}
}