using System;
using ADOFAIRenderer.Core;

namespace ADOFAIRenderer.API;

/// <summary>
/// Fluent builder for configuring and starting a render session.
/// </summary>
public class RenderSessionBuilder
{
    private bool _auto = true;

    public enum PatchType { Time, Screen }
    private bool _timePatch = true;
    private bool _screenPatch = true;

    /// <summary>
    /// Sets whether automatic rendering is enabled.
    /// </summary>
    /// <param name="enabled"><c>true</c> to enable automatic rendering; otherwise, <c>false</c>. Default is <c>true</c>.</param>
    /// <returns>The current <see cref="RenderSessionBuilder"/> instance for method chaining.</returns>
    public RenderSessionBuilder WithAuto(bool enabled = true)
    {
        _auto = enabled;
        return this;
    }

    public RenderSessionBuilder WithPatch(PatchType patchType, bool enabled = true)
    {
        switch (patchType)
        {
            case PatchType.Time: _timePatch = enabled; break;
            case PatchType.Screen: _screenPatch = enabled; break;
            default: throw new ArgumentOutOfRangeException(nameof(patchType), patchType, null);
        }
        
        return this;
    }

    /// <summary>
    /// Applies the configured flags and initiates the render session.
    /// </summary>
    public void Start()
    {
        RenderFlags.Auto = _auto;
        RenderFlags.TimePatch = _timePatch;
        RenderFlags.ScreenPatch = _screenPatch;
    }
}