const log = Java.type('org.slf4j.LoggerFactory').getLogger('js.utils.timer');
log.info('Load utils.timer');

class Timer {

    #timers = new Object();

    constructor() {
        log.info('Initialization of timer helper class');
    }

    create(identifier, timeout, func) {
        log.debug(`Create timer with identifier ${identifier}`);
        this.#timers[identifier] = actions.ScriptExecution.createTimer(identifier, timeout, func);
    }

    cancel(identifier) {
        // Return if no timer with the respactive identifier is available
        if (!this.#timers.hasOwnProperty(identifier)) {
            log.debug(`No timer with identifier ${identifier} available to cancel`);
            return false;
        }

        // Check if timer is active
        if (!this.#timers[identifier].isActive()) {
            log.debug(`Timer with identifier ${identifier} not running. Cancel anyway`);
        } else {
            log.debug(`Cancel timer with identifier ${identifier}`);  
        }

        // Cancel timer
        this.#timers[identifier].cancel();
        delete this.#timers[identifier];
    }

    isActive(identifier) {
        return this.#timers[identifier].isActive();
    }

    cancelAll() {
        // Fetch timers
        let timers = Object.keys(this.#timers);

        // Return if no timers available
        if (timers.length == 0) {
            log.debug('No timers available to cancel');
            return false;
        }
        
        // Cancel all timers
        for (let timer of timers) {
           this.cancel(timer);
        }
    }
}



module.exports = {
    Timer,
};