using System;
using BlockOutReplica.Domain;
using BlockOutReplica.Gameplay;
using BlockOutReplica.Infrastructure;
using UnityEditor;
using UnityEngine;

namespace BlockOutReplica.Editor
{
    public sealed class FirstTwentyPreviewWindow : EditorWindow
    {
        [MenuItem("Block Out/Play Original Levels 1-20")]
        public static void StartPreview()
        {
            var game=UnityEngine.Object.FindObjectOfType<BlockOutGameController>();
            if(!Application.isPlaying||game==null)
            { Debug.LogWarning("Enter Play Mode in Prototype scene first."); return; }
            game.BeginFirstTwentyPreview();
            ShowSelector();
        }
        [MenuItem("Block Out/First 20 Level Selector")]
        public static void ShowSelector() => GetWindow<FirstTwentyPreviewWindow>("First 20 Levels");
        private void OnGUI()
        {
            var game=UnityEngine.Object.FindObjectOfType<BlockOutGameController>();
            EditorGUILayout.HelpBox("Original default LevelsConfig • 1–20\nSeparate temporary preview; formal progress/wallet unchanged.\nArrow keys also change levels. Stop Play Mode restores formal saves.",MessageType.Info);
            using(new EditorGUI.DisabledScope(!Application.isPlaying||game==null))
            {
                for(int row=0;row<4;row++)
                {
                    EditorGUILayout.BeginHorizontal();
                    for(int col=0;col<5;col++)
                    {
                        int n=row*5+col+1;
                        var entry=OriginalLevelSettings.All[n-1];
                        string difficulty=entry.isSuperHard?" SH":entry.isHard?" H":"";
                        if(GUILayout.Button($"{n}{difficulty}\n{entry.levelDuration}s",GUILayout.Height(44)))game.SelectFirstTwentyPreviewLevel(n);
                    }
                    EditorGUILayout.EndHorizontal();
                }
                if(GUILayout.Button("Restart preview at Level 1"))game.BeginFirstTwentyPreview();
                if(GUILayout.Button("Restore formal progress"))game.RestoreFullLoopSandbox();
            }
        }
        [MenuItem("Block Out/Validate Original First 20 Configs")]
        public static void ValidateConfigs()
        {
            var flow=OriginalFlowRepository.Load();int checks=0;
            for(int i=0;i<20;i++)
            {
                var settings=OriginalLevelSettings.All[i];
                if(settings.levelIndex!=i+1||settings.seedId!=$"t238-level-{i+1}"||flow.LevelIds[i]!=settings.seedId)
                    throw new InvalidOperationException("Wrong sequence at "+(i+1));
                var level=OriginalLevelRepository.Load(settings.seedId);
                if(level.Pieces.Count==0||level.Doors.Count==0||settings.levelDuration<=0)
                    throw new InvalidOperationException("Incomplete level "+(i+1));
                checks+=3;
            }
            var preview=new BlockOutProgress(new BlockOutFlowDefinition(new System.Collections.Generic.List<string>(System.Linq.Enumerable.Take(flow.LevelIds,20)),4,10),false,1);
            for(int i=1;i<=20;i++)
            {
                if(preview.LevelNumber!=i)throw new InvalidOperationException("Progress mismatch "+i);
                preview.CompleteLevel();checks++;
            }
            if(!preview.CatalogCompleted||preview.LevelNumber!=20||preview.CompleteLevel())throw new InvalidOperationException("Preview terminal failed");
            Debug.Log($"BLOCKOUT_FIRST20_CONFIGS: passed=True, checks={checks+1}, terminal=20, persistentSavesUntouched=True");
        }
    }
}