Re-organized providers and added a few

shanty-config/src/lib.rs

@@ -32,6 +32,9 @@ pub struct AppConfig {
 
     #[serde(default)]
     pub indexing: IndexingConfig,
+
+    #[serde(default)]
+    pub metadata: MetadataConfig,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -94,6 +97,39 @@ pub struct IndexingConfig {
     pub concurrency: usize,
 }
 
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct MetadataConfig {
+    /// Source for structured metadata: "musicbrainz" (default).
+    #[serde(default = "default_metadata_source")]
+    pub metadata_source: String,
+
+    /// Source for artist images: "wikipedia" (default).
+    #[serde(default = "default_artist_image_source")]
+    pub artist_image_source: String,
+
+    /// Source for artist bios: "wikipedia" (default) or "lastfm".
+    #[serde(default = "default_artist_bio_source")]
+    pub artist_bio_source: String,
+
+    /// Source for lyrics: "lrclib" (default).
+    #[serde(default = "default_lyrics_source")]
+    pub lyrics_source: String,
+
+    /// Source for cover art: "coverartarchive" (default).
+    #[serde(default = "default_cover_art_source")]
+    pub cover_art_source: String,
+
+    /// Last.fm API key for fetching artist bios. Set via SHANTY_LASTFM_API_KEY env var.
+    /// Required if artist_bio_source is "lastfm".
+    #[serde(skip)]
+    pub lastfm_api_key: Option<String>,
+
+    /// fanart.tv API key for artist images/banners. Set via SHANTY_FANART_API_KEY env var.
+    /// Required if artist_image_source is "fanarttv".
+    #[serde(skip)]
+    pub fanart_api_key: Option<String>,
+}
+
 // --- Defaults ---
 
 impl Default for AppConfig {
@@ -108,6 +144,7 @@ impl Default for AppConfig {
             tagging: TaggingConfig::default(),
             download: DownloadConfig::default(),
             indexing: IndexingConfig::default(),
+            metadata: MetadataConfig::default(),
         }
     }
 }
@@ -154,6 +191,20 @@ impl Default for IndexingConfig {
     }
 }
 
+impl Default for MetadataConfig {
+    fn default() -> Self {
+        Self {
+            metadata_source: default_metadata_source(),
+            artist_image_source: default_artist_image_source(),
+            artist_bio_source: default_artist_bio_source(),
+            lyrics_source: default_lyrics_source(),
+            cover_art_source: default_cover_art_source(),
+            lastfm_api_key: None,
+            fanart_api_key: None,
+        }
+    }
+}
+
 fn default_library_path() -> PathBuf {
     dirs::audio_dir().unwrap_or_else(|| PathBuf::from("~/Music"))
 }
@@ -206,6 +257,21 @@ fn default_rate_limit_auth() -> u32 {
 fn default_concurrency() -> usize {
     4
 }
+fn default_metadata_source() -> String {
+    "musicbrainz".to_string()
+}
+fn default_artist_image_source() -> String {
+    "wikipedia".to_string()
+}
+fn default_artist_bio_source() -> String {
+    "wikipedia".to_string()
+}
+fn default_lyrics_source() -> String {
+    "lrclib".to_string()
+}
+fn default_cover_art_source() -> String {
+    "coverartarchive".to_string()
+}
 fn default_cookie_refresh_hours() -> u32 {
     6
 }
@@ -295,6 +361,12 @@ impl AppConfig {
         if let Ok(v) = std::env::var("SHANTY_WEB_BIND") {
             config.web.bind = v;
         }
+        if let Ok(v) = std::env::var("SHANTY_LASTFM_API_KEY") {
+            config.metadata.lastfm_api_key = Some(v);
+        }
+        if let Ok(v) = std::env::var("SHANTY_FANART_API_KEY") {
+            config.metadata.fanart_api_key = Some(v);
+        }
         config
     }
 }