//! Aphoria CLI - A code-level truth linter powered by Episteme
//!
//! CLI binaries use println! for user-facing output (not tracing)
#![allow(clippy::print_stdout, clippy::print_stderr)]

use std::process::ExitCode;

use clap::Parser;
use tracing_subscriber::EnvFilter;

use aphoria::AphoriaConfig;

mod cli;
mod handlers;

use cli::Cli;

#[tokio::main]
async fn main() -> ExitCode {
    let cli = Cli::parse();

    // Initialize tracing only if verbose or RUST_LOG is set
    // Default: silent (clean CLI output)
    if cli.verbose || std::env::var("RUST_LOG").is_ok() {
        let filter =
            EnvFilter::try_from_default_env().unwrap_or_else(|_| EnvFilter::new("aphoria=info"));
        tracing_subscriber::fmt().with_env_filter(filter).init();
    }

    // Load configuration
    let config = match load_config(cli.config.as_deref()) {
        Ok(cfg) => cfg,
        Err(e) => {
            eprintln!("Error loading configuration: {e}");
            return ExitCode::from(3);
        }
    };

    handlers::handle_command(cli.command, &config).await
}

/// Load configuration from file or use defaults.
fn load_config(path: Option<&std::path::Path>) -> Result<AphoriaConfig, aphoria::AphoriaError> {
    if let Some(p) = path {
        AphoriaConfig::from_file(p)
    } else {
        // Try default locations
        let default_paths = ["aphoria.toml", ".aphoria/config.toml"];
        for default in default_paths {
            let p = std::path::Path::new(default);
            if p.exists() {
                return AphoriaConfig::from_file(p);
            }
        }
        // No config file found, use defaults
        Ok(AphoriaConfig::default())
    }
}