mod commands;
mod config;
mod discord;
mod matrix;
mod types;
mod util;

use std::env;

#[tokio::main]
async fn main() {
    let _ = config::config();

    let has_discord = env::var("DISCORD_TOKEN").is_ok();
    let has_matrix = env::var("MATRIX_HOMESERVER").is_ok()
        && env::var("MATRIX_USERNAME").is_ok()
        && env::var("MATRIX_PASSWORD").is_ok();

    match (has_discord, has_matrix) {
        (true, true) => {
            println!("Both Discord and Matrix credentials found; defaulting to Discord.");
            discord::run().await;
        }
        (true, false) => {
            discord::run().await;
        }
        (false, true) => {
            matrix::run().await;
        }
        (false, false) => {
            eprintln!(
                "No credentials found. Set DISCORD_TOKEN or \
                 MATRIX_HOMESERVER + MATRIX_USERNAME + MATRIX_PASSWORD."
            );
            std::process::exit(1);
        }
    }
}