using ADOFAIRenderer.Core;
using HarmonyLib;

namespace ADOFAIRenderer.Patch.Game;

/// <summary>
/// Replaces the "any valid input" check with a render-controlled value, so player input cannot affect the level during a render.
/// <para>
/// Patched member: <c>scrPlayerManager.AnyValidInputWasTriggered()</c>, true when any player pressed a valid key this frame.
/// <c>scrController</c> uses it to leave the press-to-start wait, to restart after a failure (<c>Fail2_Update</c>) and to
/// leave the level after a win (<c>Won_Update</c>).
/// </para>
/// <para>
/// Active while <see cref="RenderManager.IsActive"/> (stage &gt;= OnScene). The result is true only while
/// <c>RenderManager.countdown</c> is 0 and <c>RenderManager.frameCount</c> is 0, that is, after the 3 second countdown in
/// <c>SetupPlay</c> has ended and reset the frame counter and before the next frame increments it; it is false otherwise.
/// <c>SetupPlay</c> also sets <c>scrController.levelWasSkipped</c>, which ends the press-to-start wait independently of input.
/// </para>
/// </summary>
[HarmonyPatch(typeof(scrPlayerManager))]
// ReSharper disable once InconsistentNaming
public static class scrPlayerManagerPatch
{
    /// <summary>Prefix of <c>scrPlayerManager.AnyValidInputWasTriggered</c>.</summary>
    /// <param name="__result">Return value used when the original is skipped (see class summary).</param>
    /// <returns>True to run the original method (not rendering); false to skip it (rendering).</returns>
    [HarmonyPrefix]
    [HarmonyPatch("AnyValidInputWasTriggered")]
    // ReSharper disable once InconsistentNaming
    private static bool IgnoreInput(ref bool __result)
    {
        if (!RenderManager.IsActive) return true;

        __result = RenderManager.Instance && RenderManager.Instance.frameCount == 0 && RenderManager.Instance.countdown == 0;
        return false;
    }
}