using OWML.Common;
using QSB.Patches;
using QSB.Player;
using QSB.Utility;
using QSB.WorldSync;
using System.Collections.Generic;
using UnityEngine;

namespace QSB.ConversationSync
{
	public class ConversationPatches : QSBPatch
	{
		public override QSBPatchTypes Type => QSBPatchTypes.OnClientConnect;

		public static void StartConversation(CharacterDialogueTree __instance)
		{
			var index = QSBWorldSync.OldDialogueTrees.FindIndex(x => x == __instance);
			if (index == -1)
			{
				DebugLog.ToConsole($"Warning - Index for tree {__instance.name} was -1.", MessageType.Warning);
			}
			QSBPlayerManager.LocalPlayer.CurrentDialogueID = index;
			ConversationManager.Instance.SendConvState(index, true);
		}

		public static bool EndConversation(CharacterDialogueTree __instance)
		{
			if (!__instance.enabled)
			{
				return false;
			}
			if (QSBPlayerManager.LocalPlayer.CurrentDialogueID == -1)
			{
				DebugLog.ToConsole($"Warning - Ending conversation with CurrentDialogueId of -1! Called from {__instance.name}", MessageType.Warning);
				return true;
			}
			ConversationManager.Instance.SendConvState(QSBPlayerManager.LocalPlayer.CurrentDialogueID, false);
			ConversationManager.Instance.CloseBoxCharacter(QSBPlayerManager.LocalPlayer.CurrentDialogueID);
			QSBPlayerManager.LocalPlayer.CurrentDialogueID = -1;
			ConversationManager.Instance.CloseBoxPlayer();
			return true;
		}

		public static bool InputDialogueOption(int optionIndex, DialogueBoxVer2 ____currentDialogueBox)
		{
			if (optionIndex < 0)
			{
				// in a page where there is no selectable options
				ConversationManager.Instance.CloseBoxPlayer();
				return true;
			}

			var selectedOption = ____currentDialogueBox.OptionFromUIIndex(optionIndex);
			ConversationManager.Instance.SendPlayerOption(selectedOption.Text);
			return true;
		}

		public static void GetNextPage(string ____name, List<string> ____listPagesToDisplay, int ____currentPage)
		{
			var key = ____name + ____listPagesToDisplay[____currentPage];
			// Sending key so translation can be done on client side - should make different language-d clients compatible
			QSBCore.Helper.Events.Unity.RunWhen(() => QSBPlayerManager.LocalPlayer.CurrentDialogueID != -1,
				() => ConversationManager.Instance.SendCharacterDialogue(QSBPlayerManager.LocalPlayer.CurrentDialogueID, key));
		}

		public static bool OnAnimatorIK(float ___headTrackingWeight,
			bool ___lookOnlyWhenTalking,
			bool ____playerInHeadZone,
			bool ____inConversation,
			ref float ____currentLookWeight,
			ref Vector3 ____currentLookTarget,
			DampedSpring3D ___lookSpring,
			Animator ____animator,
			CharacterDialogueTree ____dialogueTree)
		{
			var playerId = ConversationManager.Instance.GetPlayerTalkingToTree(____dialogueTree);
			var position = playerId == uint.MaxValue
				? Locator.GetActiveCamera().transform.position
				: QSBPlayerManager.GetPlayer(playerId).CameraBody.transform.position;
			var b = ___headTrackingWeight * Mathf.Min(1, !___lookOnlyWhenTalking
						? !____playerInHeadZone ? 0 : 1
						: !____inConversation || !____playerInHeadZone ? 0 : 1);
			____currentLookWeight = Mathf.Lerp(____currentLookWeight, b, Time.deltaTime * 2f);
			____currentLookTarget = ___lookSpring.Update(____currentLookTarget, position, Time.deltaTime);
			____animator.SetLookAtPosition(____currentLookTarget);
			____animator.SetLookAtWeight(____currentLookWeight);
			return false;
		}

		public static bool OnZoneExit(CharacterDialogueTree ____dialogueTree)
		{
			var playerId = ConversationManager.Instance.GetPlayerTalkingToTree(____dialogueTree);
			return playerId == uint.MaxValue;
		}

		public override void DoPatches()
		{
			QSBCore.Helper.HarmonyHelper.AddPostfix<DialogueNode>("GetNextPage", typeof(ConversationPatches), nameof(GetNextPage));
			QSBCore.Helper.HarmonyHelper.AddPrefix<CharacterDialogueTree>("InputDialogueOption", typeof(ConversationPatches), nameof(InputDialogueOption));
			QSBCore.Helper.HarmonyHelper.AddPostfix<CharacterDialogueTree>("StartConversation", typeof(ConversationPatches), nameof(StartConversation));
			QSBCore.Helper.HarmonyHelper.AddPrefix<CharacterDialogueTree>("EndConversation", typeof(ConversationPatches), nameof(EndConversation));
			QSBCore.Helper.HarmonyHelper.AddPrefix<CharacterAnimController>("OnAnimatorIK", typeof(ConversationPatches), nameof(OnAnimatorIK));
			QSBCore.Helper.HarmonyHelper.AddPrefix<CharacterAnimController>("OnZoneExit", typeof(ConversationPatches), nameof(OnZoneExit));
		}
	}
}