//! Subsonic API response models

use serde::{Deserialize, Serialize};

/// Wrapper for all Subsonic API responses
#[derive(Debug, Deserialize)]
pub struct SubsonicResponse<T> {
    #[serde(rename = "subsonic-response")]
    pub subsonic_response: SubsonicResponseInner<T>,
}

#[derive(Debug, Deserialize)]
pub struct SubsonicResponseInner<T> {
    pub status: String,
    #[allow(dead_code)] // Present in API response, needed for deserialization
    pub version: String,
    #[serde(default)]
    pub error: Option<ApiError>,
    #[serde(flatten)]
    pub data: Option<T>,
}

/// API error response
#[derive(Debug, Deserialize)]
pub struct ApiError {
    pub code: i32,
    pub message: String,
}

/// Artists response wrapper
#[derive(Debug, Deserialize)]
pub struct ArtistsData {
    pub artists: ArtistsIndex,
}

#[derive(Debug, Deserialize)]
pub struct ArtistsIndex {
    #[serde(default)]
    pub index: Vec<ArtistIndex>,
}

#[derive(Debug, Deserialize)]
pub struct ArtistIndex {
    #[allow(dead_code)] // Present in API response, needed for deserialization
    pub name: String,
    #[serde(default)]
    pub artist: Vec<Artist>,
}

/// Artist
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Artist {
    pub id: String,
    pub name: String,
    #[serde(default, rename = "albumCount")]
    pub album_count: Option<i32>,
    #[serde(default, rename = "coverArt")]
    pub cover_art: Option<String>,
}

/// Artist detail with albums
#[derive(Debug, Deserialize)]
pub struct ArtistData {
    pub artist: ArtistDetail,
}

#[derive(Debug, Deserialize)]
pub struct ArtistDetail {
    pub id: String,
    pub name: String,
    #[serde(default)]
    pub album: Vec<Album>,
}

/// Album
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Album {
    pub id: String,
    pub name: String,
    #[serde(default)]
    pub artist: Option<String>,
    #[serde(default, rename = "artistId")]
    pub artist_id: Option<String>,
    #[serde(default, rename = "coverArt")]
    pub cover_art: Option<String>,
    #[serde(default, rename = "songCount")]
    pub song_count: Option<i32>,
    #[serde(default)]
    pub duration: Option<i32>,
    #[serde(default)]
    pub year: Option<i32>,
    #[serde(default)]
    pub genre: Option<String>,
}

/// Album detail with songs
#[derive(Debug, Deserialize)]
pub struct AlbumData {
    pub album: AlbumDetail,
}

#[derive(Debug, Deserialize)]
pub struct AlbumDetail {
    pub id: String,
    pub name: String,
    #[serde(default)]
    pub artist: Option<String>,
    #[serde(default, rename = "artistId")]
    pub artist_id: Option<String>,
    #[serde(default)]
    pub year: Option<i32>,
    #[serde(default)]
    pub song: Vec<Child>,
}

/// Song/Media item (called "Child" in Subsonic API)
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Child {
    pub id: String,
    #[serde(default)]
    pub parent: Option<String>,
    #[serde(default, rename = "isDir")]
    pub is_dir: bool,
    pub title: String,
    #[serde(default)]
    pub album: Option<String>,
    #[serde(default)]
    pub artist: Option<String>,
    #[serde(default)]
    pub track: Option<i32>,
    #[serde(default)]
    pub year: Option<i32>,
    #[serde(default)]
    pub genre: Option<String>,
    #[serde(default, rename = "coverArt")]
    pub cover_art: Option<String>,
    #[serde(default)]
    pub size: Option<i64>,
    #[serde(default, rename = "contentType")]
    pub content_type: Option<String>,
    #[serde(default)]
    pub suffix: Option<String>,
    #[serde(default)]
    pub duration: Option<i32>,
    #[serde(default, rename = "bitRate")]
    pub bit_rate: Option<i32>,
    #[serde(default)]
    pub path: Option<String>,
    #[serde(default, rename = "discNumber")]
    pub disc_number: Option<i32>,
}

impl Child {
    /// Format duration as MM:SS
    pub fn format_duration(&self) -> String {
        match self.duration {
            Some(d) => {
                let mins = d / 60;
                let secs = d % 60;
                format!("{:02}:{:02}", mins, secs)
            }
            None => "--:--".to_string(),
        }
    }
}

/// Playlists response
#[derive(Debug, Deserialize)]
pub struct PlaylistsData {
    pub playlists: PlaylistsInner,
}

#[derive(Debug, Deserialize)]
pub struct PlaylistsInner {
    #[serde(default)]
    pub playlist: Vec<Playlist>,
}

/// Playlist
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Playlist {
    pub id: String,
    pub name: String,
    #[serde(default)]
    pub owner: Option<String>,
    #[serde(default, rename = "songCount")]
    pub song_count: Option<i32>,
    #[serde(default)]
    pub duration: Option<i32>,
    #[serde(default, rename = "coverArt")]
    pub cover_art: Option<String>,
    #[serde(default)]
    pub public: Option<bool>,
    #[serde(default)]
    pub comment: Option<String>,
}

/// Playlist detail with songs
#[derive(Debug, Deserialize)]
pub struct PlaylistData {
    pub playlist: PlaylistDetail,
}

#[derive(Debug, Deserialize)]
pub struct PlaylistDetail {
    pub id: String,
    pub name: String,
    #[serde(default)]
    pub owner: Option<String>,
    #[serde(default, rename = "songCount")]
    pub song_count: Option<i32>,
    #[serde(default)]
    pub duration: Option<i32>,
    #[serde(default)]
    pub entry: Vec<Child>,
}

/// Ping response (for testing connection)
#[derive(Debug, Deserialize)]
pub struct PingData {}