use super::value::integer_control;
use crate::parameter::bin_enum;
use mfctl_derive::author;

#[author]
#[serde(default, rename_all = "camelCase", deny_unknown_fields)]
pub struct Vocoder {
    /// Off disables hiss; Switched uses noise for unvoiced sounds; Pass mixes input above 5 kHz with the vocoder output.
    pub hiss_mode: Mode,
    /// Hiss volume in dB for Switched and Pass modes.
    pub hiss_level: HissLevel,
}

impl Default for Vocoder {
    fn default() -> Self {
        Self {
            hiss_mode: Mode::default(),
            hiss_level: HissLevel(0),
        }
    }
}

bin_enum! {
    pub enum Mode {
        #[default]
        Off,
        Switched,
        Pass,
    }
}

integer_control!(HissLevel, i8, -20, 0);

#[cfg(test)]
mod tests {
    use super::*;
    use crate::parameter::{RegisterCodec, StoredValue};
    use crate::patch::value::tests::check_integer_controls;
    use garde::Validate;

    #[test]
    fn integer_controls_round_trip_their_entire_author_ranges() {
        check_integer_controls!(HissLevel: -20 => 0);
    }
}