package repositories

import (
	"context"
	"gorm.io/gorm"
	"tercul/models"
)

// TranslationRepository defines CRUD methods specific to Translation.
type TranslationRepository interface {
	BaseRepository[models.Translation]
	ListByWorkID(ctx context.Context, workID uint) ([]models.Translation, error)
	ListByEntity(ctx context.Context, entityType string, entityID uint) ([]models.Translation, error)
	ListByTranslatorID(ctx context.Context, translatorID uint) ([]models.Translation, error)
	ListByStatus(ctx context.Context, status models.TranslationStatus) ([]models.Translation, error)
}

type translationRepository struct {
	BaseRepository[models.Translation]
	db *gorm.DB
}

// NewTranslationRepository creates a new TranslationRepository.
func NewTranslationRepository(db *gorm.DB) TranslationRepository {
	return &translationRepository{
		BaseRepository: NewBaseRepositoryImpl[models.Translation](db),
		db:             db,
	}
}

// ListByWorkID finds translations by work ID
func (r *translationRepository) ListByWorkID(ctx context.Context, workID uint) ([]models.Translation, error) {
	var translations []models.Translation
	if err := r.db.WithContext(ctx).Where("translatable_id = ? AND translatable_type = ?", workID, "Work").Find(&translations).Error; err != nil {
		return nil, err
	}
	return translations, nil
}

// ListByEntity finds translations by entity type and ID
func (r *translationRepository) ListByEntity(ctx context.Context, entityType string, entityID uint) ([]models.Translation, error) {
	var translations []models.Translation
	if err := r.db.WithContext(ctx).Where("translatable_id = ? AND translatable_type = ?", entityID, entityType).Find(&translations).Error; err != nil {
		return nil, err
	}
	return translations, nil
}

// ListByTranslatorID finds translations by translator ID
func (r *translationRepository) ListByTranslatorID(ctx context.Context, translatorID uint) ([]models.Translation, error) {
	var translations []models.Translation
	if err := r.db.WithContext(ctx).Where("translator_id = ?", translatorID).Find(&translations).Error; err != nil {
		return nil, err
	}
	return translations, nil
}

// ListByStatus finds translations by status
func (r *translationRepository) ListByStatus(ctx context.Context, status models.TranslationStatus) ([]models.Translation, error) {
	var translations []models.Translation
	if err := r.db.WithContext(ctx).Where("status = ?", status).Find(&translations).Error; err != nil {
		return nil, err
	}
	return translations, nil
}