use serde::{Deserialize, Serialize};
use uuid;

/// The [MusicBrainz Identifier](https://musicbrainz.org/doc/MusicBrainz_Identifier).
type Mbid = uuid::Uuid;

/// An artist. May be linked to MusicBrainz.
#[derive(Deserialize, Serialize)]
pub struct Artist {
    pub name: String,
    pub mbid: Option<Mbid>,
}

/// A single track on a release.
#[derive(Deserialize, Serialize)]
pub struct Track {
    pub number: u32,
    pub title: String,
    pub artist: Artist,
}

/// MusicHoard release corresponds to MusicBrainz' concept of a release. However, it does not link
/// to MusicBrainz as the intention of MusicHoard is to manage releases locally.
#[derive(Deserialize, Serialize)]
pub struct Release {
    pub title: String,
    pub artist: String,
    pub tracks: Vec<Track>,
}

/// MusicHoard uses MusicBrainz [primary release group
/// type](https://musicbrainz.org/doc/Release_Group/Type)
#[derive(Deserialize, Serialize)]
pub enum ReleaseGroupType {
    Album,
    Ep,
    Single,
    Other,
}

/// MusicHoard uses MusicBrainz' [Release Group concept](https://musicbrainz.org/doc/Release_Group).
#[derive(Deserialize, Serialize)]
pub struct ReleaseGroup {
    pub r#type: ReleaseGroupType,
    pub title: String,
    pub artist: Artist,
    pub year: u32,
    pub mbid: Option<Mbid>,
    pub releases: Vec<Release>,
}