use clap::Parser;

#[derive(Parser, Debug)]
#[command(name = "metrics-aggregator")]
#[command(version)]
pub struct Args {
    #[arg(long, default_value = "9090", env = "METRICS_AGGREGATOR_PORT")]
    pub port: u16,

    #[arg(long, env = "OTEL_EXPORTER_OTLP_ENDPOINT")]
    pub otel_endpoint: Option<String>,

    #[arg(long, env = "LOKI_URL")]
    pub loki_url: Option<String>,

    #[arg(long, default_value = "15", env = "SCRAPE_INTERVAL_SECS")]
    pub scrape_interval_secs: u64,

    /// JSON file with scrape targets.
    #[arg(long, env = "SCRAPE_TARGETS_FILE")]
    pub targets_file: Option<String>,

    #[arg(long, default_value = "info", env = "LOG_LEVEL")]
    pub log_level: String,

    /// Comma-separated list of app names to scrape.
    #[arg(long, env = "SCRAPE_APPS")]
    pub scrape_apps: Option<String>,

    #[arg(long)]
    pub no_otel: bool,

    #[arg(long)]
    pub no_loki: bool,
}