#!/usr/bin/env runrs

//! ```cargo
//! [dependencies]
//! serde = { version = "1.0", features = ["derive"] }
//! serde_json = "1.0"
//! reqwest = { version = "0.11", features = ["blocking", "json"] }
//! rust_util = { version = "0.6" }
//! ```

use rust_util::{failure_and_exit, success};
use serde::{Deserialize, Serialize};

#[derive(Serialize, Deserialize)]
struct IpResponse {
    status: u16,
    message: String,
    ip: String,
    #[serde(rename = "userAgent")]
    user_agent: Option<String>,
}

const GET_IP_URL: &'static str = "https://hatter.ink/ip/ip.jsonp";

fn main() {
    let ip_response: IpResponse = reqwest::blocking::get(GET_IP_URL).unwrap_or_else(|e| {
        failure_and_exit!("Send request to: {} failed: {}", GET_IP_URL, e);
    }).json().unwrap_or_else(|e| {
        failure_and_exit!("Parse response from: {}, failed: {}", GET_IP_URL, e);
    });
    success!("Your IP address is: {}", ip_response.ip);
}