use std::{fs::File, io::{Read, read_to_string}, path::Path};

use serde::Deserialize;

#[derive(Deserialize)]
pub struct Config {
}

pub const DEFAULT_CONFIG_FILE_LOCATIONS: [&str; 1] = [
    "/etc/rss-aggregator.toml",
];

impl Config {
    pub fn parse_config_file_at_path(path: &str) -> anyhow::Result<Config> {
        let path = Path::new(path);
        let file = File::open(&path)?;
        let contents = read_to_string(file)?;
        Ok(toml::from_str(&contents)?)
    }

    pub fn find_config() -> Option<Config> {
        for path in DEFAULT_CONFIG_FILE_LOCATIONS {
            match Self::parse_config_file_at_path(path) {
                Ok(config) => { return Some(config); },
                Err(_) => {},
            };
        };
        None
    }
}