use std::path::PathBuf;

use anyhow::{Result, bail};
use clap::{Parser, Subcommand};

#[derive(Parser)]
#[command(name = "hive-c0re", about = "hyperhive coordinator daemon and CLI")]
struct Cli {
    #[command(subcommand)]
    cmd: Cmd,
}

#[derive(Subcommand)]
enum Cmd {
    /// Run the coordinator daemon.
    Serve {
        /// Flake reference for the agent base template.
        #[arg(long, default_value = "/etc/hyperhive#agent-base")]
        agent_flake: String,
        /// Path to the host admin socket.
        #[arg(long, default_value = "/run/hyperhive/host.sock")]
        socket: PathBuf,
    },
    /// Spawn a new agent container (creates `hive-agent-<name>`).
    Spawn { name: String },
    /// Stop a managed container (graceful).
    Kill { name: String },
    /// Apply pending config to a managed container.
    Rebuild { name: String },
    /// List managed containers.
    List,
}

fn main() -> Result<()> {
    tracing_subscriber::fmt()
        .with_env_filter(
            tracing_subscriber::EnvFilter::try_from_default_env()
                .unwrap_or_else(|_| tracing_subscriber::EnvFilter::new("info")),
        )
        .init();

    let cli = Cli::parse();
    match cli.cmd {
        Cmd::Serve {
            agent_flake,
            socket,
        } => {
            tracing::info!(?socket, %agent_flake, "serve: not yet implemented");
            bail!("serve not yet implemented");
        }
        Cmd::Spawn { name } => {
            tracing::info!(%name, "spawn: not yet implemented");
            bail!("spawn not yet implemented");
        }
        Cmd::Kill { name } => {
            tracing::info!(%name, "kill: not yet implemented");
            bail!("kill not yet implemented");
        }
        Cmd::Rebuild { name } => {
            tracing::info!(%name, "rebuild: not yet implemented");
            bail!("rebuild not yet implemented");
        }
        Cmd::List => {
            tracing::info!("list: not yet implemented");
            bail!("list not yet implemented");
        }
    }
}