@namespace Sandbox.UI
@using System;
@using Sandbox;
@using Sandbox.UI;
@inherits PanelComponent

<root>
	<style>
		RoundBanner {
			position: absolute;
			top: 15%;
			left: 0;
			right: 0;
			align-items: center;
			justify-content: center;
			pointer-events: none;
			z-index: 500;
		}

		.banner-box {
			flex-direction: column;
			align-items: center;
			padding: 16px 64px;
			background: radial-gradient(circle, rgba(14, 16, 22, 0.95) 0%, rgba(10, 11, 15, 0) 100%);
			border-top: 1px solid rgba(229, 169, 60, 0.6);
			border-bottom: 1px solid rgba(229, 169, 60, 0.6);
		}

		.banner-title {
			font-size: 28px;
			font-weight: 900;
			color: #ffd57e;
			letter-spacing: 6px;
			text-transform: uppercase;
			text-shadow: 0 0 20px rgba(229, 169, 60, 0.8);
			text-align: center;
		}

		.banner-subtitle {
			font-size: 13px;
			font-weight: 700;
			color: #cbd5e1;
			letter-spacing: 3px;
			margin-top: 6px;
			text-transform: uppercase;
			text-align: center;
		}
	</style>

	@if ( _timeSinceBanner < 5.0f )
	{
		<div class="banner-box">
			<span class="banner-title">@_mainTitle</span>
			<span class="banner-subtitle">@_subTitle</span>
		</div>
	}
</root>

@code {
	private string _mainTitle = "";
	private string _subTitle = "";
	private TimeSince _timeSinceBanner = 10f;

	protected override void OnEnabled()
	{
		GameManager.OnPhaseChanged += HandlePhase;
	}

	protected override void OnDisabled()
	{
		GameManager.OnPhaseChanged -= HandlePhase;
	}

	private void HandlePhase( GamePhase phase )
	{
		if ( phase == GamePhase.RoundIntro )
		{
			var gm = GameManager.Instance;
			int roundNum = (gm != null ? gm.CurrentRoundIndex : 0) + 1;
			var round = gm?.CurrentRound;

			string configTitle = round?.RoundTitle;
			if ( string.IsNullOrWhiteSpace( configTitle ) || (roundNum > 1 && configTitle.Trim().Equals( "Manche 1", StringComparison.OrdinalIgnoreCase )) )
			{
				_mainTitle = $"ROUND {roundNum}";
			}
			else
			{
				_mainTitle = configTitle;
			}

			_subTitle = round?.EnableSuddenDeath == true ? "SUDDEN DEATH - ARCHERS IN POSITION" : "LET THE BLOOD FLOW";
			_timeSinceBanner = 0f;
			StateHasChanged();
		}
		else if ( phase == GamePhase.Victory )
		{
			_mainTitle = "CONGRATULATIONS";
			_subTitle = "ROME IS AT YOUR FEET. EVEN THE EMPEROR FEARS YOU...";
			_timeSinceBanner = 0f;
			StateHasChanged();
		}
		else if ( phase == GamePhase.GameOver )
		{
			_mainTitle = "FALLEN IN THE DUST";
			_subTitle = "THE EMPEROR HAS DECIDED HE HAS HAD ENOUGH OF YOU.";
			_timeSinceBanner = 0f;
			StateHasChanged();
		}
	}

	protected override int BuildHash() => HashCode.Combine( _timeSinceBanner < 5.0f, _mainTitle );
}