//! Version information and a daily check for new releases.

use crate::app::App;
use serde_json::{Value, json};
use std::sync::{Arc, Mutex};
use std::time::Duration;

pub use codecraft_core::version::VERSION;

/// Git commit the image was built from (Docker build arg GIT_COMMIT).
pub fn commit() -> &'static str {
    option_env!("CODECRAFT_COMMIT").unwrap_or("")
}

#[derive(Default)]
pub struct UpdateState {
    pub latest: Mutex<Option<Value>>,
}

use codecraft_core::version::newer;

async fn check(app: &App) -> Option<Value> {
    let url = app.config().server.update_url.clone();
    if url.is_empty() {
        return None;
    }
    let v: Value = crate::provider::http_client().get(&url).timeout(Duration::from_secs(20)).send().await.ok()?.json().await.ok()?;
    let tag = v["tag_name"].as_str()?.to_string();
    if !newer(&tag, VERSION) {
        return None;
    }
    Some(json!({"version": tag.trim_start_matches('v'), "url": v["html_url"], "notes": v["body"].as_str().unwrap_or("").chars().take(4000).collect::<String>(), "published_at": v["published_at"]}))
}

pub fn spawn_checker(app: Arc<App>) {
    tokio::spawn(async move {
        tokio::time::sleep(Duration::from_secs(60)).await;
        loop {
            let found = check(&app).await;
            *app.update.latest.lock().unwrap() = found;
            tokio::time::sleep(Duration::from_secs(24 * 3600)).await;
        }
    });
}