namespace AcDream.Launcher.Core.Launching;

/// <summary>
/// The DAT/pak locations a completed install (LA9) records and every
/// session-config composition consumes for
/// <see cref="SessionContentDescriptor"/>. Integrity metadata is launcher-
/// local: it is verified before this record is admitted to the orchestrator
/// and is deliberately not copied into the host session-config contract.
/// </summary>
public sealed record LauncherInstallRecord(
    string DatDirectory,
    string PreparedAssetPath,
    string PreparedAssetSha256 = "",
    long PreparedAssetSize = 0,
    uint BakeToolVersion = 0)
{
    public const int CurrentRecordVersion = 1;

    public int Version { get; init; } = CurrentRecordVersion;

    public bool HasIntegrityMetadata =>
        !string.IsNullOrEmpty(PreparedAssetSha256)
        && PreparedAssetSha256.Length == 64
        && PreparedAssetSize > 0
        && BakeToolVersion > 0;
}