using RoR2.Navigation;
using UnityEngine;
using UnityEngine.Networking;

namespace RoR2;

public class CampDirector : MonoBehaviour
{
	private struct NodeDistanceSqrPair
	{
		public NodeGraph.NodeIndex nodeIndex;

		public float distanceSqr;
	}

	[Header("Main Properties")]
	[Tooltip("Which interactables the camp can spawn. If left blank, will fall back to the stage's.")]
	public DirectorCardCategorySelection interactableDirectorCards;

	public int baseMonsterCredit;

	public int baseInteractableCredit;

	public float campMinimumRadius;

	public float campMaximumRadius;

	public Transform campCenterTransform;

	public CombatDirector combatDirector;

	[Header("Combat Director Properties")]
	public EliteDef eliteDef;

	[Header("Optional Properties")]
	public bool scaleMonsterCreditWithDifficultyCoefficient;

	[Range(0f, 1f)]
	[Tooltip("The amount of credits to take away from the scenedirector's monster credits. A value of 1 takes away all the credits the camp spends - a value of 0 takes away none.")]
	public float monsterCreditPenaltyCoefficient = 0.5f;

	private Xoroshiro128Plus rng;

	private int monsterCredit;

	private static readonly WeightedSelection<DirectorCard> cardSelector = new WeightedSelection<DirectorCard>();

	private void Start()
	{
		if (NetworkServer.active)
		{
			rng = new Xoroshiro128Plus(Run.instance.stageRng.nextUint);
			CalculateCredits();
			PopulateCamp();
		}
	}

	private void OnEnable()
	{
		SceneDirector.onPrePopulateMonstersSceneServer += OnSceneDirectorPrePopulate;
	}

	private void OnDisable()
	{
		SceneDirector.onPrePopulateMonstersSceneServer -= OnSceneDirectorPrePopulate;
	}

	private void OnSceneDirectorPrePopulate(SceneDirector sceneDirector)
	{
		CalculateCredits();
		sceneDirector.ReduceMonsterCredits((int)((float)monsterCredit * monsterCreditPenaltyCoefficient));
	}

	private WeightedSelection<DirectorCard> GenerateInteractableCardSelection()
	{
		DirectorCardCategorySelection directorCardCategorySelection = ScriptableObject.CreateInstance<DirectorCardCategorySelection>();
		if ((bool)interactableDirectorCards)
		{
			directorCardCategorySelection.CopyFrom(interactableDirectorCards);
		}
		else if ((bool)ClassicStageInfo.instance && (bool)ClassicStageInfo.instance.interactableCategories)
		{
			directorCardCategorySelection.CopyFrom(ClassicStageInfo.instance.interactableCategories);
		}
		WeightedSelection<DirectorCard> result = directorCardCategorySelection.GenerateDirectorCardWeightedSelection();
		Object.Destroy(directorCardCategorySelection);
		return result;
	}

	private void PopulateCamp()
	{
		WeightedSelection<DirectorCard> deck = GenerateInteractableCardSelection();
		while (baseInteractableCredit > 0)
		{
			DirectorCard directorCard = SelectCard(deck, baseInteractableCredit);
			if (directorCard == null)
			{
				break;
			}
			if (!directorCard.IsAvailable())
			{
				continue;
			}
			baseInteractableCredit -= directorCard.cost;
			if (!Run.instance)
			{
				continue;
			}
			for (int i = 0; i < 10; i++)
			{
				DirectorPlacementRule placementRule = new DirectorPlacementRule
				{
					placementMode = DirectorPlacementRule.PlacementMode.Approximate,
					minDistance = campMinimumRadius,
					maxDistance = campMaximumRadius,
					position = campCenterTransform.position,
					spawnOnTarget = campCenterTransform
				};
				GameObject gameObject = DirectorCore.instance.TrySpawnObject(new DirectorSpawnRequest(directorCard.spawnCard, placementRule, rng));
				if ((bool)gameObject)
				{
					PurchaseInteraction component = gameObject.GetComponent<PurchaseInteraction>();
					if ((bool)component && component.costType == CostTypeIndex.Money)
					{
						component.Networkcost = Run.instance.GetDifficultyScaledCost(component.cost);
					}
					break;
				}
			}
		}
		if ((bool)Run.instance && CombatDirector.cvDirectorCombatDisable.value)
		{
			monsterCredit = 0;
		}
		if ((bool)combatDirector)
		{
			combatDirector.monsterCredit += monsterCredit;
			monsterCredit = 0;
			combatDirector.onSpawnedServer.AddListener(OnMonsterSpawnedServer);
			combatDirector.SpendAllCreditsOnMapSpawns(campCenterTransform);
			combatDirector.onSpawnedServer.RemoveListener(OnMonsterSpawnedServer);
		}
		void OnMonsterSpawnedServer(GameObject masterObject)
		{
			EquipmentIndex equipmentIndex = eliteDef?.eliteEquipmentDef?.equipmentIndex ?? EquipmentIndex.None;
			CharacterMaster component2 = masterObject.GetComponent<CharacterMaster>();
			GameObject bodyObject = component2.GetBodyObject();
			if ((bool)bodyObject)
			{
				EntityStateMachine[] components = bodyObject.GetComponents<EntityStateMachine>();
				foreach (EntityStateMachine obj in components)
				{
					obj.initialStateType = obj.mainStateType;
				}
			}
			if (equipmentIndex != EquipmentIndex.None)
			{
				component2.inventory.SetEquipmentIndex(equipmentIndex);
			}
		}
	}

	private DirectorCard SelectCard(WeightedSelection<DirectorCard> deck, int maxCost)
	{
		cardSelector.Clear();
		int i = 0;
		for (int count = deck.Count; i < count; i++)
		{
			WeightedSelection<DirectorCard>.ChoiceInfo choice = deck.GetChoice(i);
			if (choice.value.cost <= maxCost)
			{
				cardSelector.AddChoice(choice);
			}
		}
		if (cardSelector.Count == 0)
		{
			return null;
		}
		return cardSelector.Evaluate(rng.nextNormalizedFloat);
	}

	private void CalculateCredits()
	{
		if (scaleMonsterCreditWithDifficultyCoefficient)
		{
			monsterCredit = Mathf.CeilToInt((float)baseMonsterCredit * Run.instance.difficultyCoefficient);
		}
		else
		{
			monsterCredit = baseMonsterCredit;
		}
	}
}