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use config::{Config, ConfigError, Environment, File, FileFormat};
use directories::{ProjectDirs, UserDirs};
use serde::{Deserialize, Serialize};
static QUALIFIER: &str = "net";
static ORGANIZATION: &str = "upflitinglemma";
static APPLICATION: &str = "klondike-rs";
static CONFIG_FILE: &str = "config.toml";
static HOME_CONFIG_FILE: &str = ".klondike-rs.toml";
static ENV_PREFIX: &str = "klondike_";
static ENV_SEPARATOR: &str = "__";
#[derive(Default, Debug, Deserialize, Serialize)]
#[serde(default)]
pub struct Settings {
pub display: DisplaySettings,
pub game: GameSettings,
}
impl Settings {
pub fn read_from_system() -> Result<Settings, ConfigError> {
let mut config = Config::new();
if let Some(user_dirs) = UserDirs::new() {
let mut path = user_dirs.home_dir().to_path_buf();
path.push(HOME_CONFIG_FILE);
config.merge(File::from(path).format(FileFormat::Toml).required(false))?;
}
if let Some(project_dirs) = ProjectDirs::from(QUALIFIER, ORGANIZATION, APPLICATION) {
let mut path = project_dirs.config_dir().to_path_buf();
path.push(CONFIG_FILE);
config.merge(File::from(path).format(FileFormat::Toml).required(false))?;
}
config.merge(Environment::with_prefix(ENV_PREFIX).separator(ENV_SEPARATOR))?;
config.try_into()
}
}
#[derive(Debug, Deserialize, Serialize)]
#[serde(default)]
pub struct DisplaySettings {
pub color: bool,
pub unicode: bool,
}
impl Default for DisplaySettings {
fn default() -> Self {
DisplaySettings {
color: true,
unicode: true,
}
}
}
#[derive(Debug, Clone, Copy, Deserialize, Serialize)]
pub enum DealerMode {
AutoWin,
InOrder,
Random,
}
#[derive(Debug, Deserialize, Serialize)]
#[serde(default)]
pub struct GameSettings {
pub dealer: DealerMode,
pub draw_from_stock_len: usize,
pub tableaux_len: u8,
pub take_from_foundation: bool,
}
impl Default for GameSettings {
fn default() -> Self {
GameSettings {
dealer: DealerMode::Random,
draw_from_stock_len: 3,
tableaux_len: 7,
take_from_foundation: true,
}
}
}