using System.Collections.Generic;
using System.Linq;
using Verse;
using Verse.AI;
using Verse.AI.Group;
using RimWorld;
using rjw;
using UnityEngine;
using HarmonyLib;

namespace Privacy_Please
{
    public static class SexInteractionUtility
    {
		public static bool PawnCaughtLovinByWitness(Pawn pawn, Pawn witness)
		{
			if (witness == null || pawn == witness || witness.IsUnableToSenseSex() || witness.CanSee(pawn) == false) return false;

			List<Pawn> sexParticipants = pawn.GetAllSexParticipants();
			bool witnessIsJoiningSex = witness.jobs.curDriver is JobDriver_SexBaseInitiator && sexParticipants.Contains((witness.jobs.curDriver as JobDriver_SexBaseInitiator).Partner);

			if (sexParticipants.Contains(witness) || witnessIsJoiningSex) return false;
	
			return true;
		}

		public static bool PawnWorriesAboutSexWitness(Pawn pawn, Pawn witness)
		{
			JobDriver_Sex jobDriver = pawn.jobs.curDriver as JobDriver_Sex;

			if (pawn.IsUnableToSenseSex() || pawn.AnimalOrWildMan() || pawn.RaceProps.IsMechanoid || pawn.Faction.HostileTo(Faction.OfPlayer)) return false;
			if (BasicSettings.rapeIsUninteruptable && jobDriver?.Sexprops.isRape == true) return true;

			if (witness.HostileTo(pawn)) return true;

			if (witness.RaceProps.Animal || witness.RaceProps.IsMechanoid) return false;
			if (pawn.Drafted == true || pawn.mindState?.duty?.def?.alwaysShowWeapon == true) return false;

			if (BasicSettings.slavesIgnoreSex && (pawn.IsPrisoner || pawn.IsSlave || witness.IsPrisoner || witness.IsSlave)) return false;
			if (BasicSettings.otherFactionsIgnoreSex && (pawn.Faction.IsPlayer == false || witness.Faction.IsPlayer == false)) return false;
			if (BasicSettings.whoringIsUninteruptable && jobDriver?.Sexprops.isWhoring == true) return true;

			return true;
		}

		public static bool PawnIsCheatingOnPartner(Pawn pawn, Pawn partner)
		{
			List<Pawn> spouses = pawn.GetSpouses(false);

			if (BasicSettings.worryAboutInfidelity == false || 
				partner.IsLoverOfOther(pawn) == false ||
				pawn.HasTrait("Polygamous") ||
				partner.HasTrait("Polygamous") ||
				partner.IsMasturbating() ||
				partner.IsHavingSex() == false ||
				SexActIsXenophilia(partner.jobs.curDriver as JobDriver_Sex) ||
				SexActIsBestiality(partner.jobs.curDriver as JobDriver_Sex) ||
				partner.GetAllSexParticipants().Contains(pawn) ||
				(spouses.NullOrEmpty() == false && partner.GetAllSexParticipants().Any(x => spouses.Contains(x))))
			{ return false; }

			return true;
		}

		public static bool SexParticipantsIncludesACheatingPartner(Pawn pawn, List<Pawn> participants)
		{
			foreach (Pawn participant in participants)
			{
				if (PawnIsCheatingOnPartner(pawn, participant))
				{ return true; }
			}

			return false;
		}

		public static bool PasserbyCanBePropositionedForSex(Pawn passerby, List<Pawn> participants)
		{
			if (passerby == null || 
				participants.Contains(passerby) || 			
				participants.Any(x => x.CanSee(passerby) == false))
			{ return false; }

			if (participants.Count > 2 ||
				participants.Any(x => x.IsForbidden(passerby) || x.HostileTo(passerby)) ||
				CasualSex_Helper.CanHaveSex(passerby) == false ||
				xxx.IsTargetPawnOkay(passerby) == false)			
			{ return false; }

			if (SexUtility.ReadyForHookup(passerby) &&
				(passerby?.jobs?.curJob == null || (passerby.jobs.curJob.playerForced == false && CasualSex_Helper.quickieAllowedJobs.Contains(passerby.jobs.curJob.def))) &&
				participants.Any(x => SexAppraiser.would_fuck(x, passerby) > 0.1f && SexAppraiser.would_fuck(passerby, x) > 0.1f) &&
				participants.All(x => SexAppraiser.would_fuck(x, passerby, false, false, true) > 0.1f && SexAppraiser.would_fuck(passerby, x, false, false, true) > 0.1f))
			{ return true; }

			return false;
		}

		public static void GetReactionsToSexDiscovery(JobDriver_Sex jobDriver, Pawn witness, out ReactionToSexDiscovery reactionOfPawn, out ReactionToSexDiscovery reactionOfWitness, bool applyThoughtDefs = false)
		{
			Pawn pawn = jobDriver.pawn;

			reactionOfPawn = ReactionToSexDiscovery.Acceptance;
			reactionOfWitness = ReactionToSexDiscovery.Acceptance;

			// Determine if there are any issues with the sex event and the witness' morals
			foreach (SexActReactionDef sexActReactionDef in DefDatabase<SexActReactionDef>.AllDefs)
			{
				var methodInfo = AccessTools.Method(typeof(SexInteractionUtility), sexActReactionDef.sexActCheck, null, null);

				if (methodInfo == null)
				{ DebugMode.Message("Method '" + sexActReactionDef.sexActCheck + "' was not found"); continue; }

				if ((bool)methodInfo.Invoke(null, new object[] { jobDriver }))
				{ sexActReactionDef.DetermineReactionOfPawns(pawn, witness, out reactionOfPawn, out reactionOfWitness, applyThoughtDefs); }
			}

			// Exit here if thoughtDefs are not being applied
			if (applyThoughtDefs == false) return;

			// Panic reaction
			if (reactionOfWitness == ReactionToSexDiscovery.Panic)
			{
				Job job = JobMaker.MakeJob(JobDefOf.FleeAndCower, CellFinderLoose.GetFleeDest(witness, new List<Thing>() { pawn }, 24f), pawn);
				witness.jobs.EndCurrentJob(JobCondition.InterruptForced, false, false);
				witness.jobs.StartJob(job);				
			}

			// Vomit reaction
			else if (reactionOfWitness == ReactionToSexDiscovery.Nausea)
			{
				Job jobVomit = JobMaker.MakeJob(JobDefOf.Vomit);
				Job jobFlee = JobMaker.MakeJob(JobDefOf.FleeAndCower, CellFinderLoose.GetFleeDest(witness, new List<Thing>() { pawn }, 24f), pawn);

				witness.jobs.EndCurrentJob(JobCondition.InterruptForced, false, false);

				if (Random.value <= 0.25f)
				{
					witness.jobs.StartJob(jobVomit);
					witness.jobs.jobQueue.EnqueueFirst(jobFlee);
				}

				else
				{ witness.jobs.StartJob(jobFlee); }
			}
		}

		public static bool SexActIsNecrophilia(JobDriver_Sex jobDriver)
		{
			return jobDriver.Partner != null && jobDriver.Partner.Dead;
		}

		public static bool SexActIsBestiality(JobDriver_Sex jobDriver)
		{
			return jobDriver.Partner != null && jobDriver.Partner.RaceProps.Animal;
		}

		public static bool SexActIsRape(JobDriver_Sex jobDriver)
		{
			return jobDriver is JobDriver_Rape || jobDriver is JobDriver_RapeEnemy || jobDriver is JobDriver_SexBaseRecieverRaped;
		}

		public static bool SexActIsXenophilia(JobDriver_Sex jobDriver)
		{
			return jobDriver.Partner != null && jobDriver.Partner.def.defName != jobDriver.pawn.def.defName;
		}

		public static bool SexActIsMasturbation(JobDriver_Sex jobDriver)
		{
			return jobDriver.pawn.IsMasturbating();
		}

		public static bool SexActIsExhibitionism(JobDriver_Sex jobDriver)
		{
			return jobDriver.pawn.IsHavingSex();
		}

		public static bool SexActIsInfidelity(JobDriver_Sex jobDriver)
		{
			return jobDriver.pawn.IsHavingSex();
		}
	}
}