I think we're done

Sources/MusicBrainz/MusicBrainzClient.swift

@@ -106,10 +106,8 @@ public struct MusicBrainzClient: Sendable {
 		}
 	}
 
-	public func fetchCoverArt(releaseId: String) async throws(MusicBrainzError) -> CoverArtResponse
-	{
-		let data = try await fetchRaw(
-			baseURL: MusicBrainzClient.caaBaseURL, "/release/\(releaseId)")
+	public func fetchCoverArt(releaseId: String) async throws(MusicBrainzError) -> CoverArtResponse {
+		let data = try await fetchRaw(baseURL: MusicBrainzClient.caaBaseURL, "/release/\(releaseId)")
 		do {
 			return try JSONDecoder().decode(CoverArtResponse.self, from: data)
 		} catch {
@@ -117,6 +115,47 @@ public struct MusicBrainzClient: Sendable {
 		}
 	}
 
+	public func resolveWikimediaImageURL(_ url: URL) async throws(MusicBrainzError) -> URL {
+		let urlString = url.absoluteString
+		guard urlString.contains("commons.wikimedia.org/wiki/File:") || urlString.contains("Special:FilePath") else {
+			return url
+		}
+
+		let filename: String
+		if urlString.contains("/wiki/File:") {
+			filename = urlString.components(separatedBy: "/wiki/File:").last ?? ""
+		} else if urlString.contains("Special:FilePath/") {
+			filename = urlString.components(separatedBy: "Special:FilePath/").last ?? ""
+		} else {
+			return url
+		}
+
+		guard !filename.isEmpty else { return url }
+
+		let wikimediaBaseURL = URL(string: "https://commons.wikimedia.org/w/api.php")!
+		let queryItems = [
+			URLQueryItem(name: "action", value: "query"),
+			URLQueryItem(name: "titles", value: "File:\(filename)"),
+			URLQueryItem(name: "prop", value: "imageinfo"),
+			URLQueryItem(name: "iiprop", value: "url"),
+			URLQueryItem(name: "format", value: "json"),
+		]
+
+		let data = try await fetchRaw(baseURL: wikimediaBaseURL, "", queryItems: queryItems)
+		do {
+			let response = try JSONDecoder().decode(WikimediaResponse.self, from: data)
+			if let page = response.query.pages.values.first,
+				let directURLString = page.imageinfo?.first?.url,
+				let directURL = URL(string: directURLString)
+			{
+				return directURL
+			}
+			return url
+		} catch {
+			throw .decodingError(error)
+		}
+	}
+
 	@available(
 		*, deprecated, message: "Use search(_ action: MusicBrainzSearchAction<T>, ...) instead"
 	)