import { DB_PATH } from "$lib/utils/constants";
import { logger } from "$lib/utils/logger";
import { Database, Statement } from "bun:sqlite";

export class DatabaseBrokerManager {

    private static initialized = false

    private static db: Database

    // UGLY: should be more flexible
    public static init() {

        logger.debug("Initializing Database", "SSLSnifferApp")

        if (DatabaseBrokerManager.initialized) {
            logger.debug("database initialized Twice?", "SSLSnifferApp")
            throw new Error("SSLSniffer has already been initialized")
        }

        DatabaseBrokerManager.db = DatabaseBrokerManager.initDatabase()
        DatabaseBrokerManager.initialized = true
    }

    public static get ready() {
        return DatabaseBrokerManager.initialized
    }


    public static prepare(query: string) {

        logger.debug(`Statement: ${query}`, "SQLite Query Preparation")
        
        return DatabaseBrokerManager.db.prepare(query)
    }

    private static initDatabase() {

        const db = new Database(
            DB_PATH,
            {
                create: true,
                strict: true
            }
        )

        // Improve performance
        db.exec("PRAGMA journal_mode = WAL;");
        // Activate cascade operations
        db.exec("PRAGMA foreign_keys = ON")
        return db

    }

    private static closeDatabase(graceful?: boolean) {

        if (!graceful) {
            graceful = true
        }
        // Change of variable to make it more readable
        const forceful = !graceful

        DatabaseBrokerManager.db.close(forceful)
    }

}