using UnityEngine;
using TMPro;

namespace TPSBR.UI
{
	public class UIMainMenuView : UIView
	{
		// PRIVATE MEMBERS

		[SerializeField]
		private UIButton _playButton;
		[SerializeField]
		private UIButton _settingsButton;
		[SerializeField]
		private UIButton _creditsButton;
		[SerializeField]
		private UIButton _changeNicknameButton;
		[SerializeField]
		private UIButton _quitButton;
		[SerializeField]
		private UIButton _playerButton;
		[SerializeField]
		private UIPlayer _player;
		[SerializeField]
		private TextMeshProUGUI _agentName;
		[SerializeField]
		private TextMeshProUGUI _applicationVersion;

		// PUBLIC METHODS

		public void OnPlayerButtonPointerEnter()
		{
			Context.PlayerPreview.ShowOutline(true);
		}

		public void OnPlayerButtonPointerExit()
		{
			Context.PlayerPreview.ShowOutline(false);
		}

		// UIView INTEFACE

		protected override void OnInitialize()
		{
			base.OnInitialize();

			_settingsButton.onClick.AddListener(OnSettingsButton);
			_playButton.onClick.AddListener(OnPlayButton);
			_creditsButton.onClick.AddListener(OnCreditsButton);
			_changeNicknameButton.onClick.AddListener(OnChangeNicknameButton);
			_quitButton.onClick.AddListener(OnQuitButton);
			_playerButton.onClick.AddListener(OnPlayerButton);

			_applicationVersion.text = $"Version {Application.version}";
		}

		protected override void OnDeinitialize()
		{
			_settingsButton.onClick.RemoveListener(OnSettingsButton);
			_playButton.onClick.RemoveListener(OnPlayButton);
			_creditsButton.onClick.RemoveListener(OnCreditsButton);
			_changeNicknameButton.onClick.RemoveListener(OnChangeNicknameButton);
			_quitButton.onClick.RemoveListener(OnQuitButton);
			_playerButton.onClick.RemoveListener(OnPlayerButton);

			base.OnDeinitialize();
		}

		protected override void OnOpen()
		{
			base.OnOpen();

			UpdatePlayer();

			Global.PlayerService.PlayerDataChanged += OnPlayerDataChanged;
			Context.PlayerPreview.ShowAgent(Context.PlayerData.AgentID);

			Context.PlayerPreview.ShowOutline(false);
		}

		protected override void OnClose()
		{
			Global.PlayerService.PlayerDataChanged -= OnPlayerDataChanged;

			Context.PlayerPreview.ShowOutline(false);

			base.OnClose();
		}

		protected override bool OnBackAction()
		{
			if (IsInteractable == false)
				return false;

			OnQuitButton();
			return true;
		}

		// PRIVATE METHODS

		private void OnSettingsButton()
		{
			Open<UISettingsView>();
		}

		private void OnPlayButton()
		{
			Open<UIMultiplayerView>();
		}

		private void OnCreditsButton()
		{
			Open<UICreditsView>();
		}

		private void OnChangeNicknameButton()
		{
			var changeNicknameView = Open<UIChangeNicknameView>();
			changeNicknameView.SetData("CHANGE NICKNAME", false);
		}

		private void OnQuitButton()
		{
			var dialog = Open<UIYesNoDialogView>();

			dialog.Title.text = "EXIT GAME";
			dialog.Description.text = "Are you sure you want to exit the game?";

			dialog.YesButtonText.text = "EXIT";
			dialog.NoButtonText.text = "CANCEL";

			dialog.HasClosed += (result) =>
			{
				if (result == true)
				{
					SceneUI.Scene.Quit();
				}
			};
		}

		private void OnPlayerButton()
		{
			var agentSelection = Open<UIAgentSelectionView>();
			agentSelection.BackView = this;

			Close();
		}

		private void OnPlayerDataChanged(PlayerData playerData)
		{
			UpdatePlayer();
		}

		private void UpdatePlayer()
		{
			_player.SetData(Context, Context.PlayerData);
			Context.PlayerPreview.ShowAgent(Context.PlayerData.AgentID);

			var setup = Context.Settings.Agent.GetAgentSetup(Context.PlayerData.AgentID);
			_agentName.text = setup != null ? $"Playing as {setup.DisplayName}" : string.Empty;
		}
	}
}