import Foundation

struct ApiClient {
    static let shared = ApiClient()

    private let base = URL(string: "https://linkster.langhei.de/api")!

    func resolve(url: String) async throws -> SongResult? {
        var components = URLComponents(url: base.appendingPathComponent("resolve"), resolvingAgainstBaseURL: false)!
        components.queryItems = [URLQueryItem(name: "url", value: url)]

        let (data, _) = try await URLSession.shared.data(from: components.url!)
        let json = try JSONDecoder().decode(ResolveResponse.self, from: data)
        guard json.found else { return nil }

        return SongResult(
            title: json.title ?? "",
            artist: json.artist ?? "",
            playlistName: json.playlist ?? "",
            providers: json.providers ?? [:]
        )
    }
}

private struct ResolveResponse: Decodable {
    let found: Bool
    let title: String?
    let artist: String?
    let playlist: String?
    let providers: [String: String]?
}