use std::collections::HashMap;
use std::fmt;
use zbus_notification::NotifyUnit;

// Structure of a notification
struct Notif {
    app_name: String,
    replace_id: Option<u32>,
    ico: String,
    summary: String,
    body: String,
    actions: Vec<(String, String)>,
    hints: HashMap<String, String>,
    expir_timeout: Option<u32>,
}

// Function to print the contents of the notification
impl fmt::Display for Notif {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        writeln!(f, "AppName: {}", &self.app_name)?;
        match self.replace_id {
            Some(notif_id) => writeln!(f, "ReplaceId: {notif_id}")?,
            None => writeln!(f, "None")?,
        }
        write!(
            f,
            "Icon: {}\nSummary: {}\nBody: {}\nActions:\n",
            &self.ico, &self.summary, &self.body
        )?;
        for (key, label) in &self.actions {
            writeln!(f, "\t{key}: {label}")?;
        }
        writeln!(f, "Hints:")?;
        for (key, value) in &self.hints {
            writeln!(f, "\t{key}: {value}")?;
        }
        match self.expir_timeout {
            Some(millisec) => writeln!(f, "Expiration Timeout: {millisec}")?,
            None => writeln!(f, "None")?,
        }
        Ok(()) // Return Ok to indicate success
    }
}

// Summary should be generally <= 40 chars, as per the specification.
fn truncate_summary(notif: &mut Notif) {
    if notif.summary.len() > 40 {
        notif.summary.truncate(39);
        notif.summary.push('…');
    }
}

fn main() {
    // Example notif
    let mut not = Notif {
        app_name: "snot".to_string(),
        replace_id: Some(0),
        ico: "alert.png".to_string(),
        summary: "This is a very long suuummmaaarrryyy! Don't you believe me????".to_string(),
        body: "short body(hehe)".to_string(),
        actions: vec![
            ("reply".to_string(), "Reply".to_string()),
            ("close".to_string(), "Close".to_string()),
        ],
        hints: HashMap::new(), // Create an empty HashMap for hints, add the hints later
        expir_timeout: Some(0),
    };
    not.hints
        .insert("urgency".to_string(), "critical".to_string());
    not.hints
        .insert("category".to_string(), "network.error".to_string());
    // End of eg. notif
    truncate_summary(&mut not); //Limit the summary length

    

    println!("{not}");
}