use serde::{Deserialize, Serialize};

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct State {
    pub connections: ConnectionState,
    pub metronome: MetronomeState,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ConnectionState {
    pub midi_in: Vec<String>,
    pub audio_in: Vec<String>,
    pub audio_out: Vec<String>,
    pub click_track_out: Vec<String>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct MetronomeState {
    pub frames_per_beat: usize,
    pub click_volume: f32, // 0.0 to 1.0
}

impl Default for State {
    fn default() -> Self {
        Self {
            connections: ConnectionState {
                midi_in: Vec::new(),
                audio_in: Vec::new(),
                audio_out: Vec::new(),
                click_track_out: Vec::new(),
            },
            metronome: MetronomeState {
                frames_per_beat: 96000, // 120 BPM at 192kHz sample rate
                click_volume: 0.5,      // Default 50% volume
            },
        }
    }
}