#if UNITY_EDITOR
using System.Collections.Generic;
using BlockOutReplica.Domain;
using BlockOutReplica.Infrastructure;
using UnityEngine;

namespace BlockOutReplica.Gameplay
{
    public sealed partial class BlockOutGameController
    {
        public bool IsFirstTwentyPreview { get; private set; }
        public void BeginFirstTwentyPreview()
        {
            if (IsFullLoopSandbox) RestoreFullLoopSandbox();
            BeginFullLoopSandbox();
            var ids = new List<string>();
            for (int i=0;i<20;i++) ids.Add(OriginalLevelSettings.All[i].seedId);
            progress = new BlockOutProgress(new BlockOutFlowDefinition(ids,4,10),false,1);
            economy = BlockOutEconomy.Load();
            player = new BlockOutPlayerState(economy,"",_=>{});
            journey = new BlockOutJourney(BlockOutJourneyConfig.Load(),"",_=>{});
            IsFirstTwentyPreview = true;
            InitializeInteractions(); LoadCurrentLevel();
            Debug.Log("BLOCKOUT_FIRST20_PREVIEW: started, level=1, isolatedSaves=True, sourceDurations=True");
        }
        public void SelectFirstTwentyPreviewLevel(int number)
        {
            if(!IsFirstTwentyPreview) BeginFirstTwentyPreview();
            progress.MoveBy(Mathf.Clamp(number,1,20)-LevelNumber);
            LoadCurrentLevel();
        }
        public System.Collections.IEnumerator ReviewFirstTwentyPreview()
        {
            int savedLevel=PlayerPrefs.GetInt("BlockOutReplica.PlayerLevel.v2",1);
            string savedWallet=PlayerPrefs.GetString("BlockOutReplica.PlayerState.v1","");
            string savedJourney=PlayerPrefs.GetString("BlockOutReplica.Journey.v1","");
            BeginFirstTwentyPreview();
            int checks=0;
            try
            {
                for(int n=1;n<=20;n++)
                {
                    SelectFirstTwentyPreviewLevel(n);
                    yield return null;
                    if(CurrentLevelId!=$"t238-level-{n}"||TimeLeft!=OriginalLevelSettings.All[n-1].levelDuration)
                        throw new System.InvalidOperationException("Wrong loaded level/time at "+n);
                    if(pieces.Count!=level.Pieces.Count||doors.Count!=level.Doors.Count)
                        throw new System.InvalidOperationException("Missing live views at "+n);
                    foreach(var piece in pieces)
                    {
                        if(!movementRules.IsAllowed(piece,piece.transform.position,pieces))
                            throw new System.InvalidOperationException($"Illegal initial pose: level {n}, {piece.name}");
                        foreach(var renderer in piece.GetComponentsInChildren<Renderer>())
                            foreach(var material in renderer.sharedMaterials)
                                if(material!=null&&(material.shader==null||!material.shader.isSupported||material.shader.name=="Hidden/InternalErrorShader"))
                                    throw new System.InvalidOperationException($"Unsupported piece material: level {n}, {renderer.name}");
                    }
                    checks+=3;
                    if(n==6||n==10||n==15||n==17||n==19||n==20)
                    {
                        ScreenCapture.CaptureScreenshot($"Docs/iterations/2026-10-20-first20-level-{n}.png");
                        yield return null;
                    }
                }
                if(PlayerPrefs.GetInt("BlockOutReplica.PlayerLevel.v2",1)!=savedLevel||PlayerPrefs.GetString("BlockOutReplica.PlayerState.v1","")!=savedWallet||PlayerPrefs.GetString("BlockOutReplica.Journey.v1","")!=savedJourney)
                    throw new System.InvalidOperationException("Preview modified formal saves");
                Debug.Log($"BLOCKOUT_FIRST20_RUNTIME: passed=True, checks={checks+1}, allLevelsInstantiated=True, initialPosesLegal=True, persistentSavesUntouched=True, manuallyWonAll=False");
            }
            finally { SelectFirstTwentyPreviewLevel(1); }
        }
    }
}
#endif