//! An example to customize HTTP client for APIs.
//!
//! ```shell
//! $ cargo run --example customize_http_client --features custom_client -- --email <email> --password <password>
//! ```

use clap::Parser;

#[derive(Parser)]
struct Arguments {
    #[arg(short, long)]
    email: String,
    #[arg(short, long)]
    password: String,
}

#[tokio::main]
async fn main() -> anyhow::Result<()> {
    #[cfg(not(feature = "custom_client"))]
    {
        return Err(anyhow::anyhow!(
            "Feature \"custom_client\" is not enabled.",
        ));
    }

    #[cfg(feature = "custom_client")]
    {
        use std::time::Duration;

        use fars::ApiKey;
        use fars::Client;
        use fars::Config;
        use fars::Email;
        use fars::Password;

        // Parse the command line arguments.
        let arguments = Arguments::parse();

        // Read API key from the environment variable.
        let api_key = ApiKey::new(std::env::var("FIREBASE_API_KEY")?);

        // Create a custom reqwest client with timeout.
        let client = fars::reqwest::ClientBuilder::new()
            .timeout(Duration::from_secs(60))
            .connect_timeout(Duration::from_secs(10))
            .build()?;

        // Customize HTTP client.
        let client = Client::custom(client);

        // Create a config.
        let config = Config::custom(api_key, client);

        // Get a session by signing in with email and password.
        let session = config
            .sign_in_with_email_password(
                Email::new(arguments.email.clone()),
                Password::new(arguments.password.clone()),
            )
            .await?;

        println!(
            "Succeeded to sign in with email/password: {:?}",
            session
        );

        Ok(())
    }
}