use crate::app::ports::driven::{
    ForFormattingMessage, ForMonitoringSystem, ForSendingNotification,
};

pub struct Service {
    notifier: Box<dyn ForSendingNotification>,
    monitor: Box<dyn ForMonitoringSystem>,
    formatter: Box<dyn ForFormattingMessage>,
}

pub fn new(
    notifier: Box<dyn ForSendingNotification>,
    monitor: Box<dyn ForMonitoringSystem>,
    formatter: Box<dyn ForFormattingMessage>,
) -> Service {
    Service {
        notifier,
        monitor,
        formatter,
    }
}

impl Service {
    pub fn alert_on_threshold_violation(&self) {
        // Check for threshold violations and send alerts
        let violations = self.monitor.check_thresholds();
        for violation in violations {
            let message = self.formatter.format_violation(violation);
            self.notifier
                .send_notification(&message)
                .expect("Failed to send notification");
        }
    }

    pub fn send_all_metrics_notification(&self) {
        // Send a final notification with all system information
        let summary = self.formatter.format_summary(&self.monitor.get_metrics());
        self.notifier
            .send_notification(&summary)
            .expect("Failed to send final notification");
    }
}