mod domain;

use std::path::Path;
use std::sync::Arc;

use axum::extract::State;
use axum::routing::post;
use axum::Json;
use axum::Router;
use clap::Parser;
use domain::entry::IncomingEntry;
use sqlx::sqlite::SqliteConnectOptions;
use sqlx::sqlite::SqlitePoolOptions;
use sqlx::SqlitePool;
use tracing_subscriber::fmt;
use tracing_subscriber::prelude::*;
use tracing_subscriber::EnvFilter;

use crate::domain::options::Options;

#[tokio::main]
async fn main() -> Result<(), sqlx::Error> {
    dotenv::dotenv().ok();
    tracing_subscriber::registry()
        .with(fmt::layer())
        .with(EnvFilter::from_default_env())
        .init();

    let options = Options::parse();
    let pool = init_db(&options.working_directory).await?;
    let state = Arc::new(pool);
    serve(state.clone(), &options.addr).await;
    Ok(())
}

/// Initialize the database.
async fn init_db(wd: &Path) -> Result<SqlitePool, sqlx::Error> {
    tracing::debug!("Migrating...");
    let pool = SqlitePoolOptions::new()
        .connect_with(
            SqliteConnectOptions::new()
                .filename(wd.join("memoirs.sqlite"))
                .create_if_missing(true),
        )
        .await?;
    sqlx::migrate!("./migrations").run(&pool).await?;
    tracing::debug!("Migration done.");
    Ok(pool)
}

/// Start the server.
async fn serve(state: Arc<SqlitePool>, addr: &str) {
    let app = Router::new().route("/", post(add_entry)).with_state(state);
    tracing::info!(addr, "Store server up");
    axum::Server::bind(&addr.parse().unwrap())
        .serve(app.into_make_service())
        .await
        .unwrap();
}

///
async fn add_entry(
    State(state): State<Arc<SqlitePool>>,
    Json(payload): Json<IncomingEntry>,
) -> Json<IncomingEntry> {
    Json(payload)
}