use std::io::Read;
fn main() {
    let mut input = String::new();
    std::io::stdin().read_to_string(&mut input).unwrap();
    let value: serde_json::Value = serde_json::from_str(&input).unwrap();
    let spec: fidc_core::daily_patterns::PatternSpec =
        serde_json::from_value(value["spec"].clone()).unwrap();
    let bars: Vec<fidc_core::session_events::MinuteBar> =
        serde_json::from_value(value["bars"].clone()).unwrap();
    let result = fidc_core::session_events::evaluate(
        &spec.validate().unwrap(),
        value["symbol"].as_str().unwrap(),
        &bars,
        serde_json::from_value(value["decision_at"].clone()).unwrap(),
    );
    match result {
        Ok(row) => println!(
            "{}",
            serde_json::json!({"contract":fidc_core::session_events::CONTRACT,"row":row,"read_only":true,"source_evidence_verified":false})
        ),
        Err(error) => {
            eprintln!("{error}");
            std::process::exit(1);
        }
    }
}