using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using HarmonyLib;
using RimWorld;
using Verse;
using rjw;

namespace RJW_Genes
{
    /// <summary>
    /// This Patch handles the changes to Fathers / Mothers when dealing with Femboys and Male/Male Pregnancies.
    /// 
    /// This is related to 
    /// </summary>
    [HarmonyPatch(typeof(ParentRelationUtility))]
    public class Patch_ParentRelationUtility_GetParents
    {
        
        [HarmonyPostfix]
        [HarmonyPatch("GetFather")]
        private static void FatherPostfix(ref Pawn __result, Pawn pawn)
        {
            if (__result == null && pawn.RaceProps.IsFlesh && pawn.relations != null)
            {
                List<DirectPawnRelation> directRelations = pawn.relations.DirectRelations;
                bool flag = false;
                for (int i = 0; i < directRelations.Count; i++)
                {
                    DirectPawnRelation directPawnRelation = directRelations[i];
                    if (directPawnRelation.def == PawnRelationDefOf.Parent)
                    {
                        if (flag)
                        {
                            __result = directPawnRelation.otherPawn;
                            return;
                        }
                        flag = true;
                    }
                }
            }
        }

        [HarmonyPostfix]
        [HarmonyPatch("GetMother")]
        private static void MotherPostfix(ref Pawn __result, Pawn pawn)
        {
            if (__result == null && pawn.RaceProps.IsFlesh && pawn.relations != null)
            {
                List<DirectPawnRelation> directRelations = pawn.relations.DirectRelations;
                for (int i = 0; i < directRelations.Count; i++)
                {
                    DirectPawnRelation directPawnRelation = directRelations[i];
                    if (directPawnRelation.def == PawnRelationDefOf.Parent)
                    {
                        __result = directPawnRelation.otherPawn;
                        return;
                    }
                }
            }
        }


        [HarmonyPostfix]
        [HarmonyPatch("HasSameFather")]
        private static void HasSameFatherPostfix(ref bool __result, Pawn pawn, Pawn other)
        {
            if (!__result && pawn.RaceProps.IsFlesh && pawn.relations != null)
            {
                Pawn parent = pawn.GetFather();
                Pawn parent2 = other.GetMother();
                Pawn parent3 = other.GetFather();
                Pawn parent4 = pawn.GetMother();
                if (parent != null && parent2 != null && parent == parent2)
                {
                    __result = true;
                    return;
                }
                if (parent3 != null && parent4 != null && parent3 == parent4)
                {
                    __result = true;
                    return;
                }
                if (parent != null && parent3 != null && parent == parent3)
                {
                    __result = true;
                    return;
                }
                if (parent2 != null && parent4 != null && parent2 == parent4)
                {
                    __result = true;
                    return;
                }
            }
        }


        [HarmonyPostfix]
        [HarmonyPatch("HasSameMother")]
        private static void HasSameMotherPostfix(ref bool __result, Pawn pawn, Pawn other)
        {
            if (!__result && pawn.RaceProps.IsFlesh && pawn.relations != null)
            {
                Pawn parent = pawn.GetFather();
                Pawn parent2 = other.GetMother();
                Pawn parent3 = other.GetFather();
                Pawn parent4 = pawn.GetMother();
                if (parent != null && parent2 != null && parent == parent2)
                {
                    __result = true;
                    return;
                }
                if (parent3 != null && parent4 != null && parent3 == parent4)
                {
                    __result = true;
                    return;
                }
                if (parent != null && parent3 != null && parent == parent3)
                {
                    __result = true;
                    return;
                }
                if (parent2 != null && parent4 != null && parent2 == parent4)
                {
                    __result = true;
                    return;
                }
            }
        }

        [HarmonyPrefix]
        [HarmonyPatch("SetFather")]
        private static bool SetFatherPrefix(Pawn pawn, Pawn newFather)
        {
            Pawn father = pawn.GetFather();
            if (father != newFather)
            {
                if (father != null)
                {
                    pawn.relations.RemoveDirectRelation(PawnRelationDefOf.Parent, father);
                }
                if (newFather != null)
                {
                    pawn.relations.AddDirectRelation(PawnRelationDefOf.Parent, newFather);
                }
            }
            return false;
        }

        [HarmonyPrefix]
        [HarmonyPatch("SetMother")]
        private static bool SetMotherPrefix(Pawn pawn, Pawn newMother)
        {
            Pawn mother = pawn.GetMother();
            if (mother != newMother)
            {
                if (mother != null)
                {
                    pawn.relations.RemoveDirectRelation(PawnRelationDefOf.Parent, mother);
                }
                if (newMother != null)
                {
                    pawn.relations.AddDirectRelation(PawnRelationDefOf.Parent, newMother);
                }
            }
            return false;
        }
    }
}