use serde_derive::{Serialize, Deserialize};

#[derive(Debug, Eq, PartialEq, Serialize, Deserialize)]
pub struct Config {
    /// used in the window title bar
    pub name: Option<String>,
    pub width: u8,
    pub height: u8,
    /// animation rate in milliseconds
    pub tick: u64,
    /// if this is not specified, the game will pick the first room it finds
    pub starting_room: Option<String>,
    /// major / minor
    pub version: (u8, u8),
}

#[cfg(test)]
mod test {
    use crate::Config;

    #[test]
    fn test_config_from_toml() {
        let output: Config = toml::from_str(include_str!("test-resources/basic/game.toml")).unwrap();
        let expected = Config {
            name: Some("Write your game's title here".to_string()),
            width: 16,
            height: 9,
            tick: 400,
            starting_room: Some("example room".to_string()),
            version: (0, 1)
        };
        assert_eq!(output, expected);
    }

    #[test]
    fn test_config_to_toml() {
        let output = toml::to_string(&Config {
            name: Some("Write your game's title here".to_string()),
            width: 16,
            height: 9,
            tick: 400,
            starting_room: Some("example room".to_string()),
            version: (0, 1)
        }).unwrap();

        let expected = include_str!("test-resources/basic/game.toml");
        assert_eq!(&output, expected);
    }
}