use crate::domain::entities::{AudioTrack, SubtitleTrack};
use crate::domain::value_objects::{SyncOffset, TrackId, TrackLanguage};
use serde::{Deserialize, Serialize};

/// Faixa externa adicionada pelo usuário ao projeto.
#[derive(Clone, Debug, Serialize, Deserialize)]
pub enum Track {
    Audio(AudioTrack),
    Subtitle(SubtitleTrack),
}

impl Track {
    pub fn id(&self) -> TrackId {
        match self {
            Track::Audio(t) => t.id,
            Track::Subtitle(t) => t.id,
        }
    }

    pub fn offset(&self) -> SyncOffset {
        match self {
            Track::Audio(t) => t.offset,
            Track::Subtitle(t) => t.offset,
        }
    }

    #[allow(dead_code)]
    pub fn language(&self) -> &TrackLanguage {
        match self {
            Track::Audio(t) => &t.language,
            Track::Subtitle(t) => &t.language,
        }
    }

    #[allow(dead_code)]
    pub fn set_offset(&mut self, offset: SyncOffset) {
        match self {
            Track::Audio(t) => t.offset = offset,
            Track::Subtitle(t) => t.offset = offset,
        }
    }

    #[allow(dead_code)]
    pub fn set_language(&mut self, language: TrackLanguage) {
        match self {
            Track::Audio(t) => t.language = language,
            Track::Subtitle(t) => t.language = language,
        }
    }

    /// Retorna o fator de escala temporal da faixa.
    pub fn drift_scale(&self) -> f64 {
        match self {
            Track::Audio(t) => t.drift_scale,
            Track::Subtitle(t) => t.drift_scale,
        }
    }

    /// Define o fator de escala temporal da faixa.
    pub fn set_drift_scale(&mut self, scale: f64) {
        match self {
            Track::Audio(t) => t.drift_scale = scale,
            Track::Subtitle(t) => t.drift_scale = scale,
        }
    }
}