use axum::headers::HeaderMap;
use axum::Json;
use serde::{Deserialize, Serialize};
use std::sync::Arc;
use axum::extract::State;
use serde_json::{json, Value};
use tracing::{debug, info, warn};
use uuid::Uuid;
use crate::auth::auth;
use crate::config::SETTINGS;
use crate::wol::{create_buffer, send_packet};
use crate::db::Device;
use crate::error::WebolError;

#[axum_macros::debug_handler]
pub async fn start(State(state): State<Arc<crate::AppState>>, headers: HeaderMap, Json(payload): Json<StartPayload>) -> Result<Json<Value>, WebolError> {
    info!("POST request");
    warn!("{:?}", state.ping_map);
    let secret = headers.get("authorization");
    let authorized = auth(secret).map_err(WebolError::Auth)?;
    if authorized {
        let device = sqlx::query_as!(
            Device,
            r#"
            SELECT id, mac, broadcast_addr, ip
            FROM devices
            WHERE id = $1;
            "#,
            payload.id
        ).fetch_one(&state.db).await.map_err(WebolError::DB)?;

        info!("starting {}", device.id);

        let bind_addr = SETTINGS
            .get_string("bindaddr")
            .unwrap_or("0.0.0.0:1111".to_string());

        let _ = send_packet(
            &bind_addr.parse().map_err(WebolError::IpParse)?,
            &device.broadcast_addr.parse().map_err(WebolError::IpParse)?,
            create_buffer(&device.mac)?
        )?;

        let uuid = if payload.ping.is_some_and(|ping| ping) {
            let uuid_gen = Uuid::new_v4().to_string();
            let uuid_genc = uuid_gen.clone();
            tokio::spawn(async move {
                debug!("Init ping service");
                state.ping_map.insert(uuid_gen.clone(), (device.ip.clone(), false));

                warn!("{:?}", state.ping_map);

                crate::services::ping::spawn(state.ping_send.clone(), device.ip, uuid_gen.clone(), &state.ping_map).await
            });
            Some(uuid_genc)
        } else { None };
        Ok(Json(json!(StartResponse { id: device.id, boot: true, uuid })))
    } else {
        Err(WebolError::Generic)
    }
}

#[derive(Deserialize)]
pub struct StartPayload {
    id: String,
    ping: Option<bool>,
}

#[derive(Serialize)]
struct StartResponse {
    id: String,
    boot: bool,
    uuid: Option<String>,
}