use config::{Config, ConfigError, File};
use std::path::PathBuf;

#[derive(Debug, Deserialize, Clone)]
pub enum WorldType {
    END,
    NETHER,
    OVERWORLD,
}

impl From<String> for WorldType {
    fn from(string: String) -> Self {
        match string.as_str() {
            "END" => WorldType::END,
            "NETHER" => WorldType::NETHER,
            _ => WorldType::OVERWORLD,
        }
    }
}

#[derive(Debug, Deserialize, Clone)]
pub struct WorldConfig {
    pub world_name: String,
    pub save_radius: u64,
    pub world_type: Option<WorldType>,
}

#[derive(Debug, Deserialize, Clone)]
pub struct BackupConfig {
    pub minecraft_dir: PathBuf,
    pub output_dir: PathBuf,
    pub backups_to_keep: u64,
}

#[derive(Debug, Deserialize, Clone)]
pub struct AlbatrossConfig {
    pub backup: BackupConfig,
    pub world_config: Option<Vec<WorldConfig>>,
}

impl AlbatrossConfig {
    pub fn new(config_path: &str) -> Result<Self, ConfigError> {
        let mut cfg = Config::new();
        cfg.merge(File::with_name(config_path))?;

        cfg.try_into()
    }
}