package neo4j

import (
	"context"
	"e621_to_neo4j/database/neo4j/models"
	"github.com/neo4j/neo4j-go-driver/v5/neo4j"
)

func CreateTagNode(ctx context.Context, driver neo4j.DriverWithContext, name string, tagType string) error {
	query := `
		MERGE (u:e621Tag {e621Tag: $name, e621TagType: $tagType})
		RETURN u
`
	params := map[string]interface{}{
		"name":    name,
		"tagType": tagType,
	}

	_, err := neo4j.ExecuteQuery(ctx, driver, query, params, neo4j.EagerResultTransformer)
	if err != nil {
		return err
	}

	return nil
}

func GetTagNode(ctx context.Context, driver neo4j.DriverWithContext, name string) (models.DBTag, bool, error) {

	var tag models.DBTag

	query := `
		MATCH (u:e621Tag {e621Tag: $name})
		RETURN u.e621Tag as e621Tag, u.e621TagType as e621TagType
	`

	params := map[string]interface{}{
		"name": name,
	}

	result, err := neo4j.ExecuteQuery(ctx, driver, query, params, neo4j.EagerResultTransformer)
	if err != nil {
		return tag, false, err
	}

	if len(result.Records) > 0 {
		record := result.Records[0]

		e621Tag, _, _ := neo4j.GetRecordValue[string](record, "e621Tag")
		e621TagType, _, _ := neo4j.GetRecordValue[string](record, "e621TagType")

		tag = models.DBTag{
			Tag:     e621Tag,
			TagType: e621TagType,
		}
		if e621Tag != name {
			return tag, false, nil
		}
		return tag, true, nil
	}
	return tag, false, err
}