package database

import (
	"context"
	"errors"
	otterError "git.anthrove.art/Anthrove/otter-space-sdk/v2/pkg/error"
	"git.anthrove.art/Anthrove/otter-space-sdk/v2/pkg/models"
	"gorm.io/gorm"
)

func CreateTagGroup(ctx context.Context, tagGroupName models.TagGroupName, tagName models.TagName) (models.TagGroup, error) {
	if client == nil {
		return models.TagGroup{}, &otterError.Database{Reason: otterError.DatabaseIsNotConnected}
	}

	tagGroup := models.TagGroup{
		Name:  tagGroupName,
		TagID: tagName,
	}

	result := client.WithContext(ctx).Create(&tagGroup)
	if result.Error != nil {
		if errors.Is(result.Error, gorm.ErrDuplicatedKey) {
			return models.TagGroup{}, &otterError.Database{Reason: otterError.DuplicateKey}
		}
		return models.TagGroup{}, result.Error
	}

	return tagGroup, nil
}

func CreateTagGroupInBatch(ctx context.Context, tagsGroups []models.TagGroup, batchSize int) error {
	if client == nil {
		return &otterError.Database{Reason: otterError.DatabaseIsNotConnected}
	}

	if tagsGroups == nil {
		return &otterError.EntityValidationFailed{Reason: otterError.TagGroupListIsEmpty}
	}

	if len(tagsGroups) == 0 {
		return &otterError.EntityValidationFailed{Reason: otterError.TagGroupListIsEmpty}
	}

	if batchSize == 0 {
		return &otterError.EntityValidationFailed{Reason: otterError.BatchSizeIsEmpty}
	}

	result := client.WithContext(ctx).CreateInBatches(&tagsGroups, batchSize)
	if result.Error != nil {
		if errors.Is(result.Error, gorm.ErrDuplicatedKey) {
			return &otterError.Database{Reason: otterError.DuplicateKey}
		}
		return result.Error
	}

	return nil
}

func DeleteTagGroup(ctx context.Context, tagGroupName models.TagGroupName) error {
	var tagGroup models.TagGroup

	if client == nil {
		return &otterError.Database{Reason: otterError.DatabaseIsNotConnected}
	}

	if len(tagGroupName) == 0 {
		return &otterError.EntityValidationFailed{Reason: otterError.TagGroupNameIsEmpty}
	}

	result := client.WithContext(ctx).Delete(&tagGroup, tagGroupName)
	if result.Error != nil {
		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
			return &otterError.Database{Reason: otterError.NoDataFound}
		}
		return result.Error
	}

	return nil
}