using System.Collections.Generic;
using Verse;
using Verse.AI;
using RimWorld;

namespace ArachnaeSwarm
{
    public class WorkGiver_ArachnaeSow : WorkGiver_Grower
    {
        protected static string CantSowCavePlantBecauseOfLightTrans;
        protected static string CantSowCavePlantBecauseUnroofedTrans;

        public override PathEndMode PathEndMode => PathEndMode.ClosestTouch;

        public static void ResetStaticData()
        {
            CantSowCavePlantBecauseOfLightTrans = "CantSowCavePlantBecauseOfLight".Translate();
            CantSowCavePlantBecauseUnroofedTrans = "CantSowCavePlantBecauseUnroofed".Translate();
        }

        protected override bool ExtraRequirements(IPlantToGrowSettable settable, Pawn pawn)
        {
            if (!settable.CanAcceptSowNow())
            {
                return false;
            }
            IntVec3 c;
            if (settable is Zone_Growing zone_Growing)
            {
                if (!zone_Growing.allowSow)
                {
                    return false;
                }
                c = zone_Growing.Cells[0];
            }
            else
            {
                c = ((Thing)settable).Position;
            }
            ThingDef wantedPlantDef = WorkGiver_Grower.CalculateWantedPlantDef(c, pawn.Map);
            if (wantedPlantDef == null)
            {
                return false;
            }
            return true;
        }

        public override Job JobOnCell(Pawn pawn, IntVec3 c, bool forced = false)
        {
            Map map = pawn.Map;
            if (c.GetVacuum(pawn.Map) >= 0.5f)
            {
                return null;
            }
 
            // 直接计算 wantedPlantDef
            ThingDef wantedPlantDefLocal = WorkGiver_Grower.CalculateWantedPlantDef(c, map);
            if (wantedPlantDefLocal == null)
            {
                return null;
            }

            if (!PlantUtility.GrowthSeasonNow(c, map, wantedPlantDefLocal))
            {
                return null;
            }
            List<Thing> thingList = c.GetThingList(map);
            Zone_Growing zone_Growing = c.GetZone(map) as Zone_Growing;
            bool flag = false;
            for (int i = 0; i < thingList.Count; i++)
            {
                Thing thing = thingList[i];
                if (thing.def == wantedPlantDefLocal)
                {
                    return null;
                }
                if ((thing is Blueprint || thing is Frame) && thing.Faction == pawn.Faction)
                {
                    flag = true;
                }
            }
            if (flag)
            {
                Thing edifice = c.GetEdifice(map);
                if (edifice == null || edifice.def.fertility < 0f)
                {
                    return null;
                }
            }
            if (wantedPlantDefLocal.plant.diesToLight)
            {
                if (!c.Roofed(map) && !map.GameConditionManager.IsAlwaysDarkOutside)
                {
                    JobFailReason.Is(CantSowCavePlantBecauseUnroofedTrans);
                    return null;
                }
                if (map.glowGrid.GroundGlowAt(c, ignoreCavePlants: true) > 0f)
                {
                    JobFailReason.Is(CantSowCavePlantBecauseOfLightTrans);
                    return null;
                }
            }
            if (wantedPlantDefLocal.plant.interferesWithRoof && c.Roofed(pawn.Map))
            {
                return null;
            }
            Plant plant = c.GetPlant(map);
            if (plant != null) // 只要地块上有植物
            {
                // 如果地块上的植物不是我们想要种植的植物，就割除
                if (plant.def != wantedPlantDefLocal)
                {
                    if (!pawn.CanReserve(plant, 1, -1, null, forced) || plant.IsForbidden(pawn))
                    {
                        return null;
                    }
                    if (zone_Growing != null && !zone_Growing.allowCut)
                    {
                        return null;
                    }
                    if (!forced && plant.TryGetComp<CompPlantPreventCutting>(out var comp) && comp.PreventCutting)
                    {
                        return null;
                    }
                    if (!PlantUtility.PawnWillingToCutPlant_Job(plant, pawn))
                    {
                        return null;
                    }
                    return JobMaker.MakeJob(JobDefOf.CutPlant, plant);
                }
                // 如果地块上的植物是我们想要种植的植物，并且它阻碍了相邻播种，则不割除
                // 因为它已经是我们想要种植的植物了
                if (plant.def.plant.blockAdjacentSow)
                {
                    return null;
                }
            }
            Thing thing2 = PlantUtility.AdjacentSowBlocker(wantedPlantDefLocal, c, map);
            if (thing2 != null)
            {
                if (thing2 is Plant plant2)
                {
                    // 如果阻碍播种的是植物，并且不是我们想要种植的植物，就割除
                    if (plant2.def != wantedPlantDefLocal)
                    {
                        if (pawn.CanReserveAndReach(plant2, PathEndMode.Touch, Danger.Deadly, 1, -1, null, forced) && !plant2.IsForbidden(pawn))
                        {
                            IPlantToGrowSettable plantToGrowSettable = plant2.Position.GetPlantToGrowSettable(plant2.Map);
                            if (plantToGrowSettable == null || plantToGrowSettable.GetPlantDefToGrow() != plant2.def)
                            {
                                Zone_Growing zone_Growing2 = c.GetZone(map) as Zone_Growing;
                                Zone_Growing zone_Growing3 = c.GetZone(map) as Zone_Growing;
                                if ((zone_Growing2 != null && !zone_Growing2.allowCut) || (zone_Growing3 != null && !zone_Growing3.allowCut && plant2.def == zone_Growing3.GetPlantDefToGrow()))
                                {
                                    return null;
                                }
                            }
                            if (!forced && thing2.TryGetComp(out CompPlantPreventCutting comp2) && comp2.PreventCutting)
                            {
                                return null;
                            }
                            if (!PlantUtility.PawnWillingToCutPlant_Job(plant2, pawn))
                            {
                                return null;
                            }
                            if (PlantUtility.TreeMarkedForExtraction(plant2))
                            {
                                return null;
                            }
                            return JobMaker.MakeJob(JobDefOf.CutPlant, plant2);
                        }
                    }
                }
                else if (thing2.def.EverHaulable)
                {
                    return HaulAIUtility.HaulAsideJobFor(pawn, thing2);
                }
                return null;
            }
            if (wantedPlantDefLocal.plant.sowMinSkill > 0 && ((pawn.skills != null && pawn.skills.GetSkill(SkillDefOf.Plants).Level < wantedPlantDefLocal.plant.sowMinSkill) || (pawn.IsColonyMech && pawn.RaceProps.mechFixedSkillLevel < wantedPlantDefLocal.plant.sowMinSkill)))
            {
                JobFailReason.Is("UnderAllowedSkill".Translate(wantedPlantDefLocal.plant.sowMinSkill), def.label);
                return null;
            }
            for (int j = 0; j < thingList.Count; j++)
            {
                Thing thing3 = thingList[j];
                if (!thing3.def.BlocksPlanting())
                {
                    continue;
                }
                if (!pawn.CanReserve(thing3, 1, -1, null, forced))
                {
                    return null;
                }
                if (thing3.def.category == ThingCategory.Plant)
                {
                    // 如果阻碍播种的是植物，并且不是我们想要种植的植物，就割除
                    if (thing3.def != wantedPlantDefLocal)
                    {
                        if (thing3.IsForbidden(pawn))
                        {
                            return null;
                        }
                        if (zone_Growing != null && !zone_Growing.allowCut)
                        {
                            return null;
                        }
                        if (!forced && thing3.TryGetComp<CompPlantPreventCutting>(out var comp3) && comp3.PreventCutting)
                        {
                            return null;
                        }
                        if (!PlantUtility.PawnWillingToCutPlant_Job(thing3, pawn))
                        {
                            return null;
                        }
                        if (PlantUtility.TreeMarkedForExtraction(thing3))
                        {
                            return null;
                        }
                        return JobMaker.MakeJob(JobDefOf.CutPlant, thing3);
                    }
                }
                else if (thing3.def.EverHaulable)
                {
                    return HaulAIUtility.HaulAsideJobFor(pawn, thing3);
                }
                return null;
            }
            if (!wantedPlantDefLocal.CanNowPlantAt(c, map) || !PlantUtility.GrowthSeasonNow(c, map, wantedPlantDefLocal) || !pawn.CanReserve(c, 1, -1, null, forced))
            {
                return null;
            }
            Job job = JobMaker.MakeJob(JobDefOf.Sow, c);
            job.plantDefToSow = wantedPlantDefLocal;
            return job;
        }
    }
}