package purchase

import (
	"cls/internal/domain/purchase"
	"cls/pkg/logger"
	"cls/pkg/xorm_engine"
	"xorm.io/builder"
)

type PurchaseRepositoryORM struct {
	engine *xorm_engine.Engine
	log    logger.New
}

var _ purchase.Repository = (*PurchaseRepositoryORM)(nil)

func NewPurchaseRepositoryORM(db *xorm_engine.Engine, logger logger.New) purchase.Repository {
	return &PurchaseRepositoryORM{
		engine: db,
		log:    logger,
	}
}

func (r *PurchaseRepositoryORM) Save(purchase *purchase.Purchase) error {
	if purchase.Id == 0 {
		_, err := r.engine.Insert(purchase)
		return err
	}
	_, err := r.engine.ID(purchase.Id).Update(purchase)
	return err
}

func (r *PurchaseRepositoryORM) FindByUserIdAndContent(userId, contentId uint64, contentType purchase.ContentType) (*purchase.Purchase, error) {
	purchase := &purchase.Purchase{}
	exist, err := r.engine.Where("user_id = ? AND content_id = ? AND content_type = ?",
		userId, contentId, contentType).Get(purchase)
	if err != nil {
		return nil, err
	}
	if !exist {
		return nil, nil
	}
	return purchase, nil
}

func (r *PurchaseRepositoryORM) FindByUserId(userId uint64) ([]*purchase.Purchase, error) {
	purchases := make([]*purchase.Purchase, 0)
	err := r.engine.Where("user_id = ?", userId).Find(&purchases)
	return purchases, err
}

func (r *PurchaseRepositoryORM) FindByContent(contentId uint64, contentType purchase.ContentType) ([]*purchase.Purchase, error) {
	purchases := make([]*purchase.Purchase, 0)
	err := r.engine.Where("content_id = ? AND content_type = ?", contentId, contentType).Find(&purchases)
	return purchases, err
}

func (r *PurchaseRepositoryORM) FindArticlesByUserId(userId uint64) ([]*purchase.Purchase, error) {
	purchases := make([]*purchase.Purchase, 0)
	err := r.engine.Where(builder.Eq{"user_id": userId}.And(builder.Eq{"content_type": purchase.ContentTypeArticle})).Find(&purchases)
	return purchases, err
}

func (r *PurchaseRepositoryORM) FindColumnsByUserId(userId uint64) ([]*purchase.Purchase, error) {
	purchases := make([]*purchase.Purchase, 0)
	err := r.engine.Where(builder.Eq{"user_id": userId}.And(builder.Eq{"content_type": purchase.ContentTypeColumn})).Find(&purchases)
	return purchases, err
}

func (r *PurchaseRepositoryORM) FindArticleById(ids ...uint64) ([]*purchase.Purchase, error) {
	purchases := make([]*purchase.Purchase, 0)
	err := r.engine.Where(builder.In("user_id", ids)).And(builder.Eq{"content_type": purchase.ContentTypeArticle}).Find(&purchases)
	return purchases, err
}

func (r *PurchaseRepositoryORM) FindColumnById(ids ...uint64) ([]*purchase.Purchase, error) {
	purchases := make([]*purchase.Purchase, 0)
	err := r.engine.Where(builder.In("user_id", ids)).And(builder.Eq{"content_type": purchase.ContentTypeColumn}).Find(&purchases)
	return purchases, err
}