use blockchyp;
use std::error::Error;

fn send_payment_link_example() -> Result<(), Box<dyn Error>> {
    // sample credentials
    let creds = blockchyp::APICredentials {
        api_key: "ZDSMMZLGRPBPRTJUBTAFBYZ33Q".to_string(),
        bearer_token: "ZLBW5NR4U5PKD5PNP3ZP3OZS5U".to_string(),
        signing_key: "9c6a5e8e763df1c9256e3d72bd7f53dfbd07312938131c75b3bfd254da787947".to_string(),
    };

    // instantiate the client
    let client = blockchyp::Client::new(creds);

    let request = blockchyp::PaymentLinkRequest{
        transaction_ref: "<TX REF>".to_string(),
        amount: "199.99".to_string(),
        description: "Widget".to_string(),
        subject: "Widget invoice".to_string(),
        transaction: Some(blockchyp::TransactionDisplayTransaction{
            subtotal: "195.00".to_string(),
            tax: "4.99".to_string(),
            total: "199.99".to_string(),
            items: Some(vec![
                blockchyp::TransactionDisplayItem{
                    description: "Widget".to_string(),
                    price: "195.00".to_string(),
                    quantity: 1.0,
                    ..Default::default()
                },

            ]),
            ..Default::default()
        }),
        auto_send: true,
        customer: blockchyp::Customer{
            customer_ref: "Customer reference string".to_string(),
            first_name: "FirstName".to_string(),
            last_name: "LastName".to_string(),
            company_name: "Company Name".to_string(),
            email_address: "notifications@blockchypteam.m8r.co".to_string(),
            sms_number: "(123) 123-1231".to_string(),
            ..Default::default()
        },
        ..Default::default()
    };
    let (response, err) = client.send_payment_link(&request);

    if let Some(e) = err {
        eprintln!("Unexpected error occurred: {:?}", e);
        return Err(e)
    }

    if response.success {
		println!("Success");
	}

    println!("Response: {:?}", response);
    Ok(())
}

fn main() -> Result<(), Box<dyn std::error::Error>> {
    send_payment_link_example()?;
    println!("Example completed successfully!");
    Ok(())
}