using DeepDrftModels.DTOs;
using DeepDrftModels.Enums;

namespace DeepDrftPublic.Client.Common;

/// <summary>
/// The single source of truth for a release's dedicated detail route (Phase 11 §2). A release
/// resolves to its per-medium detail page from its <see cref="ReleaseDto.EntryKey"/> and
/// <see cref="ReleaseMedium"/> — no round-trip needed at call sites that already hold the medium
/// (Archive cards, AlbumsView cards, the player-bar title). The thin <c>/tracks/{entryKey}</c>
/// redirect page fetches by EntryKey to discover the medium, then resolves through this same
/// helper, so the medium→route table lives in exactly one place.
/// </summary>
public static class ReleaseRoutes
{
    /// <summary>
    /// The dedicated detail route for a release: <c>/cuts/{entryKey}</c>, <c>/sessions/{entryKey}</c>,
    /// or <c>/mixes/{entryKey}</c>. The route carries the release's opaque public EntryKey (Phase 11
    /// §3e) — never the transparent int PK. Cut is the default arm so a new medium without an entry
    /// here surfaces a build-visible gap rather than a silent fallthrough — extend the switch when a
    /// fourth medium lands.
    /// </summary>
    public static string DetailHref(string entryKey, ReleaseMedium medium) => medium switch
    {
        ReleaseMedium.Session => $"/sessions/{entryKey}",
        ReleaseMedium.Mix => $"/mixes/{entryKey}",
        _ => $"/cuts/{entryKey}",
    };

    /// <summary>Convenience overload for call sites holding a <see cref="ReleaseDto"/>.</summary>
    public static string DetailHref(ReleaseDto release) => DetailHref(release.EntryKey, release.Medium);
}