let matches = Command::new("ChatGPT CLI")
    .author("lg.json@gmail.com")
    .version("1.0.0")
    .about(
        "x\n
                ChatGPT CLI Create by zhulg (lg.json@gmail.com)
        | 1.You just need to input your api key, the cli version V0.1.1     |
        | 2.No need access internet with VPN, and just enjoy it.            |
        | 3.If you want to use it in China, you can use my api key.         |                                                   |
        |-------------------------------------------------------------------|",
    )
    .arg(
        Arg::new("DomainName")
            .action(ArgAction::Set)
            .short('d')
            .long("Domain")
            .default_value("api.openai.com")
            .help("Sets the API Domain name."),
    )

fn read_api_key() -> String {
    // If the OPENAI_API_KEY environment variable is not set,
    // ask the user to input the API key and save it to the
    // environment variables for future use.
    let api_key = env::var("OPENAI_API_KEY").unwrap_or_else(|_| {
        console::set_colors_enabled(true);
        let prompt_style = Style::new().yellow();
        let api_key: String = Input::new()
            .with_prompt(prompt_style.apply_to("Input your API key").to_string())
            .interact_text()
            .unwrap();
        env::set_var("OPENAI_API_KEY", &api_key);
        api_key
    });
    api_key
}

let response = client
    .post(url)
    .header("Content-Type", "application/json")
    .header("Authorization", format!("Bearer {}", api_key))
    .json(&json!({
        "model": "gpt-3.5-turbo",
        "max_tokens": max_tokens.parse::<i32>().unwrap(),
        "temperature": 0.5 ,
        "messages": [{"role": "user", "content": line}]
    }))
    .send()
    .await?
    .json::<Value>()
    .await?;

./chatgpt_rust

cargo install chatgpt_rust

                    ChatGPT CLI Create by zhulg (lg.json@gmail.com)
            | 1.You just need to input your api key, the cli version    |
            | 2.No need access internet with VPN, and just enjoy it.    |
            | 3.If you want to use it in China, you can use my api key. |
            | --------------------------------------------------------- |

Usage: chatgpt_rust [OPTIONS]

Options:
  -d, --Domain <DomainName>  Sets the API Domain name. [default: api.openai.com]
  -k, --key <APIKey>         Sets the API key. If not provided, the cli will ask for it,
                             You can also set the OPENAI_API_KEY environment variable. [default: ]
  -t, --tokens <max_tokens>  sets the max_tokens, default is 1000 [default: 1000]
  -h, --help                 Print help
  -V, --version              Print version

echo "export OPENAI_API_KEY='yourkey'" >> ~/.zshrc

source ~/.zshrc

echo $OPENAI_API_KEY