import Foundation
import XCTest
@testable import VelodyNetworking

final class RemoteLibraryDTOTests: XCTestCase {
    func testRemoteTrackDTOMapsToRemoteTrack() {
        let dto = RemoteTrackDTO(
            trackId: "track-123",
            title: "Remote Title",
            artist: "Remote Artist",
            durationSeconds: 245,
            sha256: String(repeating: "a", count: 64),
            assetId: "asset-456",
            createdAt: "2026-05-29T08:00:00.000Z",
            updatedAt: "2026-05-29T08:05:00.000Z"
        )

        let track = dto.remoteTrack

        XCTAssertEqual(track.trackId, "track-123")
        XCTAssertEqual(track.title, "Remote Title")
        XCTAssertEqual(track.artist, "Remote Artist")
        XCTAssertEqual(track.durationSeconds, 245)
        XCTAssertEqual(track.sha256, String(repeating: "a", count: 64))
        XCTAssertEqual(track.assetId, "asset-456")
    }

    func testRemoteLibraryResponseDTODecodesFromAPIResponse() throws {
        let data = Data(
            """
            {
              "tracks": [
                {
                  "trackId": "track-123",
                  "title": "Remote Title",
                  "artist": "Remote Artist",
                  "durationSeconds": 245,
                  "sha256": "\(String(repeating: "a", count: 64))",
                  "assetId": "asset-456",
                  "createdAt": "2026-05-29T08:00:00.000Z",
                  "updatedAt": "2026-05-29T08:05:00.000Z"
                }
              ]
            }
            """.utf8
        )

        let decoded = try JSONDecoder().decode(RemoteLibraryResponseDTO.self, from: data)

        XCTAssertEqual(decoded.tracks.count, 1)
        XCTAssertEqual(decoded.tracks.first?.trackId, "track-123")
        XCTAssertEqual(decoded.tracks.first?.durationSeconds, 245)
    }
}