use confyg::Confygery;
use serde_derive::Deserialize;

const CFG: &str = r#"
env = "prod"

[servers]
platform = "GCP"

[servers.db]
host = "1.2.3.4"
name = "db"
user = "alice"
max_conns = 500
"#;

#[derive(Debug, Deserialize)]
#[allow(unused)]
struct Config {
    env: String,
    servers: Servers,
}

#[derive(Debug, Deserialize)]
#[allow(unused)]
struct Servers {
    platform: String,
    db: DB,
}

#[derive(Debug, Deserialize)]
#[allow(unused)]
struct DB {
    host: String,
    name: String,
    user: String,
    max_conns: u16,
}

fn main() {
    let cfg: Config = match Confygery::new().add_str(CFG).build() {
        Ok(x) => x,
        Err(e) => panic!("{e}"),
    };
    println!("Deploy env: {}", cfg.env);
    println!("Servers platform: {}", cfg.servers.platform);
    println!("DB host: {}", cfg.servers.db.host);
    println!("DB name: {}", cfg.servers.db.name);
    println!("DB user: {}", cfg.servers.db.user);
    println!("DB max connections: {}", cfg.servers.db.max_conns);
}