using Sandbox;
using Socer;
using System;
using System.Collections.Generic;

public sealed partial class FootballWorldPanel
{
    // Created only after the first serious injury. Reuse two existing body
    // rigs and nine stretcher pieces; ordinary matches pay no geometry cost.
    readonly ModelRenderer[][] medicalActors=new ModelRenderer[2][];
    readonly PlayerDetailRenderer[] medicalUniforms=new PlayerDetailRenderer[2];
    readonly Footballer[] medicalFigures={new(){Id=100,Team=2},new(){Id=101,Team=2}};
    readonly ModelRenderer[] medicalStretcher=new ModelRenderer[9];
    readonly List<ReplayFigure.Part> medicalPose=new(24);
    bool medicalObjectsCreated,medicalWasVisible;
    int medicalVisiblePeople,medicalUpdates;
    float nextMedicalFrame;

    void EnsureMedicalActors()
    {
        if(medicalObjectsCreated)return;
        for(int person=0;person<2;person++)
        {
            var rig=new ModelRenderer[24];medicalActors[person]=rig;
            for(int slot=0;slot<rig.Length;slot++)
                rig[slot]=Create(slot==6?torso:slot is 0 or 1 or 3 or 4 or 7 or 8 or 10 or 11?limb:sphere,"Medical staff");
            medicalUniforms[person]=new PlayerDetailRenderer(RenderScene);
            medicalFigures[person].Profile.SkinTone=person==0?2:4;
            medicalFigures[person].Profile.HairTone=person==0?1:3;
        }
        for(int i=0;i<medicalStretcher.Length;i++)medicalStretcher[i]=Create(box,i==0?"Stretcher canvas":"Stretcher frame and handle");
        medicalObjectsCreated=true;
    }

    void UpdateMedicalArea()
    {
        var m=Game.Match;
        bool visible=m.MedicalActive && m.MedicalStage!=MedicalTreatmentStage.AwaitSubstitute &&
            !Game.Replay.Playing && !Game.MatchIntroActive && !Game.StrategyLabOpen;
        if(!visible)
        {
            if(!medicalWasVisible)return;
            for(int person=0;person<2;person++)
            {foreach(var part in medicalActors[person])part.Enabled=false;medicalUniforms[person].Hide();}
            foreach(var part in medicalStretcher)part.Enabled=false;
            medicalWasVisible=false;medicalVisiblePeople=0;return;
        }
        EnsureMedicalActors();medicalWasVisible=true;
        if(Time.Now<nextMedicalFrame)return;
        nextMedicalFrame=Time.Now+1f/30;medicalUpdates++;medicalVisiblePeople=2;
        for(int person=0;person<2;person++)
        {
            ReplayFigure.PoseMedicalMedic(medicalFigures[person],m,person,medicalPose);
            ReplayFigure.RepairArmAnatomy(medicalPose);
            var rig=medicalActors[person];
            for(int slot=0;slot<rig.Length;slot++)
            {
                var renderer=rig[slot];renderer.Enabled=slot<medicalPose.Count;
                if(!renderer.Enabled)continue;
                var part=medicalPose[slot];SetPart(renderer,part.A,part.ZA,part.B,part.ZB,part.Width,part.Color);
                FitPoseBody(renderer,slot,medicalPose);
            }
            medicalUniforms[person].UpdateUniform(rig,"#3cafac",staff:true);
        }
        bool stretcher=m.MedicalStage is MedicalTreatmentStage.Load or MedicalTreatmentStage.CarryOff;
        foreach(var part in medicalStretcher)part.Enabled=stretcher;
        if(!stretcher)return;
        var centre=ReplayFigure.MedicalStretcherCentre(m);var axis=ReplayFigure.MedicalCarryAxis(m);
        var side=new Point(-axis.Y,axis.X);
        float lift=m.MedicalStage==MedicalTreatmentStage.Load?Ease(m.MedicalStageProgress):1;
        float height=.12f+.76f*lift;
        var canvas=medicalStretcher[0];
        canvas.WorldTransform=new Transform(WorldPoint(centre,height),
            Rotation.LookAt(new Vector3(axis.X,-axis.Y,0),Vector3.Up),new Vector3(2.12f,.68f,.045f)*Units);
        canvas.Tint=Ink("#326e69");
        for(int rail=0;rail<2;rail++)
        {
            float s=rail==0?-1:1;var edge=centre+side*(s*.37f);
            SetPart(medicalStretcher[1+rail],edge-axis*1.05f,height+.025f,edge+axis*1.05f,height+.025f,.045f,"#b2c0bf");
        }
        for(int end=0;end<2;end++)
        {
            float s=end==0?-1:1;var edge=centre+axis*(s*1.05f);
            SetPart(medicalStretcher[3+end],edge-side*.37f,height+.025f,edge+side*.37f,height+.025f,.04f,"#b2c0bf");
            for(int handle=0;handle<2;handle++)
            {
                float hs=handle==0?-1:1;var grip=edge+side*(hs*.29f);
                SetPart(medicalStretcher[5+end*2+handle],grip,height+.02f,grip+axis*(s*.30f),height+.02f,.045f,"#273c40");
            }
        }
    }

    public object MedicalAreaReport()=>new{
        Created=medicalObjectsCreated,Visible=medicalWasVisible,People=medicalVisiblePeople,
        Updates=medicalUpdates,StretcherPieces=medicalObjectsCreated?medicalStretcher.Length:0,
        Stage=Game?.Match?.MedicalStage.ToString(),Patient=Game?.Match?.MedicalPatientId};
}