use std::env;

use config::File;
use serde::{Deserialize};

#[derive(Debug, Deserialize)]
pub struct Configuration {
    pub api_token: String,
    pub base_api: String,
    pub base_url: String,
    pub username: Option<String>
}

impl Configuration {
    pub fn new() -> Configuration {
        let home_dir_env = env::var("HOME").unwrap();
        let mut settings = config::Config::default();
        let mut location: Vec<String> = Vec::new();
        
        location.push("config.json".to_string());
        location.push("/etc/gt/config.json".to_string());
        location.push(format!("{}/.config/gt/config.json", home_dir_env));

        for i in location {
            settings.merge(File::with_name(&i)
                .required(false))
                .unwrap();
        }

        let config = settings.try_into::<Configuration>().expect("Couldn't load config into gt!");

        config
    }
}