namespace WiiCompiled.Setup.Windows;

/// <summary>
/// Names of the installed/staged layout. Not cosmetic: payload and toolkit identities hash relative paths
/// that begin with these strings, so changing one (including casing) invalidates every shipped fingerprint.
/// Build-Installer.ps1 stages the payload with exactly these names.
/// </summary>
internal static class InstalledLayout
{
    public const string ToolkitDirectoryName = "Toolkit";
    public const string WorkspaceDirectoryName = "BuildWorkspace";
    public const string InstallStateFileName = "install-state.json";
    public const string PayloadManifestFileName = "payload-manifest.json";

    /// <summary>Payload entry names use forward slashes; the archive is written by tar.</summary>
    public const string ToolkitEntryPrefix = ToolkitDirectoryName + "/";
    public const string WorkspaceEntryPrefix = WorkspaceDirectoryName + "/";

    public static string Toolkit(string root) => Path.Combine(root, ToolkitDirectoryName);
    public static string Workspace(string root) => Path.Combine(root, WorkspaceDirectoryName);

    /// <summary>
    /// The pinned offline dependency sources shipped under <c>BuildWorkspace\Dependencies</c>. This
    /// is the one list: Build-Installer.ps1 stages exactly these directories and
    /// Launcher/Test-PinnedFacts.ps1 fails the release build if its copy and this one disagree.
    /// </summary>
    public static readonly string[] DependencyNames =
    [
        "abseil-cpp", "cppwinrt", "dawn_prebuilt", "fmt", "freetype", "imgui", "libusb", "native_prebuilt",
        "png", "SDL", "sqlite3", "tracy", "xxhash", "zlib", "zstd"
    ];
}

/// <summary>
/// Source-owned files copied verbatim beside every product. One inventory drives identity
/// (<see cref="ToolkitFingerprint.ComputeRuntimeAssets"/>), verification, and publication. Renaming
/// an identity key below requires bumping the fingerprint's version salt.
/// </summary>
internal static class ProductRuntimeAssets
{
    /// <summary>The bootstrap tree, copied from <c>runtime/assets/wii</c> into every product.</summary>
    public const string SourceBootstrapDirectoryName = "wii";
    public const string ProductBootstrapDirectoryName = "wii_bootstrap";

    /// <summary>Single files, given as their path below <c>runtime/assets</c> and their product name.</summary>
    public static readonly (string[] SourceRelativePath, string ProductFileName)[] Files =
    [
        (["dsp", "dsp_coef.bin"], "dsp_coef.bin"),
        (["pipeline", "initial_pipeline_cache.db"], "initial_pipeline_cache.db")
    ];

    public static string SourceFile(string sourceAssets, string[] relativePath) =>
        Path.Combine([sourceAssets, .. relativePath]);
}