import { DSQL_ChildrenTablesType, DSQL_TableSchemaType } from "../../../types";

type Params = {
    tables?: DSQL_TableSchemaType[];
    tableSchema?: DSQL_TableSchemaType;
    childTableSchema?: DSQL_ChildrenTablesType;
    tableName?: string;
};

export default function grabTargetTableSchemaIndex({
    tables,
    tableName,
    tableSchema,
    childTableSchema,
}: Params): number | undefined {
    if (!tables) return undefined;

    const targetTableIndex = tables.findIndex(
        (tbl) =>
            (tableName && tableName == tbl.tableName) ||
            (tableSchema &&
                tableSchema.tableName &&
                tableSchema.tableName == tbl.tableName)
    );

    if (targetTableIndex < 0) return undefined;

    return targetTableIndex;
}