pub mod config;
pub mod install;
pub mod wifi;

pub use config::TollGateConfig;
pub use install::install_tollgate;
pub use wifi::provision_ssid;

use anyhow::Result;
use tracing::info;

use crate::{opkg::PkgManager, Router};

/// Full TollGate provisioning sequence:
/// 1. Install tollgate-module-basic-go
/// 2. Write TollGate UCI config (pricing, mint URL)
/// 3. Create the pay-as-you-go WiFi SSID
/// 4. Restart affected services
pub async fn provision(router: &Router, config: &TollGateConfig) -> Result<()> {
    info!("[{}] Starting TollGate provisioning", router.host);

    let pkg_mgr = router.opkg_check()?;
    match pkg_mgr {
        PkgManager::Opkg => {
            router.opkg_update()?;
            install_tollgate(router)?;
        }
        PkgManager::ApkNative => {
            install::install_tollgate_apk_native(router)?;
        }
    }
    config::apply(router, config)?;
    wifi::provision_ssid(router, config)?;
    restart_services(router, config.enabled)?;

    info!("[{}] TollGate provisioning complete", router.host);
    Ok(())
}

/// Applies `enabled` to the actual running service, not just the UCI value —
/// the tollgate-wrt init script doesn't consult `tollgate.main.enabled`
/// itself, so toggling it requires an explicit enable/start or disable/stop.
///
/// The service's init script is `/etc/init.d/tollgate-wrt` (its actual
/// on-disk name — "tollgate" alone does not exist).
fn restart_services(router: &Router, enabled: bool) -> Result<()> {
    if enabled {
        router.run_ok("/etc/init.d/tollgate-wrt enable")?;
        router.run_ok(
            "/etc/init.d/tollgate-wrt restart || /etc/init.d/tollgate-wrt start"
        )?;
    } else {
        router.run_ok("/etc/init.d/tollgate-wrt stop || true")?;
        router.run_ok("/etc/init.d/tollgate-wrt disable || true")?;
    }
    router.run_ok("/etc/init.d/network restart")?;
    // Reload wireless so wireless.tollgate.disabled takes effect on the radio —
    // `network restart` alone doesn't reliably reconfigure wifi interfaces.
    router.run_ok("wifi down 2>&1; wifi up 2>&1")?;
    Ok(())
}