import varDatabaseDbHandler from "./varDatabaseDbHandler";
import { DSQL_ForeignKeyType } from "../../types";

type Param = {
    dbFullName: string;
    tableName: string;
    foreignKey: DSQL_ForeignKeyType;
    fieldName: string;
    errorLogs?: any[];
};

/**
 * # Update table function
 */
export default async function handleTableForeignKey({
    dbFullName,
    tableName,
    foreignKey,
    errorLogs,
    fieldName,
}: Param) {
    const {
        destinationTableName,
        destinationTableColumnName,
        cascadeDelete,
        cascadeUpdate,
        foreignKeyName,
    } = foreignKey;

    let finalQueryString = `ALTER TABLE \`${dbFullName}\`.\`${tableName}\``;

    finalQueryString += ` ADD CONSTRAINT \`${foreignKeyName}\` FOREIGN KEY (\`${fieldName}\`)`;
    finalQueryString += ` REFERENCES \`${destinationTableName}\`(\`${destinationTableColumnName}\`)`;

    if (cascadeDelete) finalQueryString += ` ON DELETE CASCADE`;
    if (cascadeUpdate) finalQueryString += ` ON UPDATE CASCADE`;

    // let foreinKeyText = `ADD CONSTRAINT \`${foreignKeyName}\` FOREIGN KEY (\`${destinationTableColumnType}\`) REFERENCES \`${destinationTableName}\`(\`${destinationTableColumnName}\`)${
    //     cascadeDelete ? " ON DELETE CASCADE" : ""
    // }${cascadeUpdate ? " ON UPDATE CASCADE" : ""}`;

    // let finalQueryString = `ALTER TABLE \`${dbFullName}\`.\`${tableName}\` ${foreinKeyText}`;

    const addForeignKey = await varDatabaseDbHandler({
        queryString: finalQueryString,
    });

    if (!addForeignKey?.serverStatus) {
        errorLogs?.push(addForeignKey);
    }
}