#nullable enable
using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UIElements;
using UVC.UIToolkit;
using UVC.UI.Commands;

/// <summary>
/// UTKStyleGuideSample의 ToolBar 카테고리 Initialize 메서드들
/// </summary>
public partial class UTKStyleGuideSample
{
    #region ToolBar Fields

    private UTKToolBar? _sampleToolBarHorizontal;
    private UTKToolBarModel? _sampleToolBarModelHorizontal;
    private UTKToolBar? _sampleToolBarVertical;
    private UTKToolBarModel? _sampleToolBarModelVertical;
    private Label? _toolBarEventLogLabel;
    private readonly List<string> _toolBarEventLogs = new();
    private const int MaxToolBarLogLines = 5;

    #endregion

    #region ToolBar Initializers

    private void InitializeToolBarSample(VisualElement root)
    {
        _toolBarEventLogLabel = root.Q<Label>("event-log-label");

        InitializeHorizontalToolBar(root);
        InitializeVerticalToolBar(root);
        InitializeToolBarApiTest(root);

        SetCodeSamples(root,
            csharpCode: @"// === 가로 툴바 ===
var model = new UTKToolBarModel();

// Standard 버튼
model.AddStandardButton(""저장"", UTKMaterialIcons.Save);

// 구분선
model.AddSeparator();

// Toggle 버튼
model.AddToggleButton(""그리드"", false,
    UTKMaterialIcons.GridOn,
    UTKMaterialIcons.GridOff);

// Radio 버튼 그룹
model.AddRadioButton(""tool"", ""선택"", true,
    UTKMaterialIcons.NearMe);
model.AddRadioButton(""tool"", ""이동"", false,
    UTKMaterialIcons.OpenWith);

model.AddSeparator();

// Expandable 버튼 (서브 메뉴)
var shapes = model.AddExpandableButton(""도형"",
    UTKMaterialIcons.Category, updateIconOnSelection: true);
shapes.SubButtons.Add(
    new UTKToolBarStandardButtonData
    { Text = ""사각형"", IconPath = UTKMaterialIcons.CropSquare,
      UseMaterialIcon = true });
shapes.SubButtons.Add(
    new UTKToolBarStandardButtonData
    { Text = ""원형"", IconPath = UTKMaterialIcons.Circle,
      UseMaterialIcon = true });

// View 생성 및 빌드
var toolbar = new UTKToolBar();
toolbar.Orientation = UTKToolBarOrientation.Horizontal;
parent.Add(toolbar);
toolbar.BuildToolBar(model);

// 이벤트 구독
toolbar.OnAction += args =>
    Debug.Log($""{args.Text}: {args.ActionType}"");

// === 세로 배치로 전환 ===
toolbar.SetOrientation(UTKToolBarOrientation.Vertical);

// === API ===
// 토글 상태 변경
model.SetToggleButtonStateByText(""그리드"", true);
// 라디오 선택 변경
model.SetRadioButtonSelectionByText(""tool"", ""이동"");",
            uxmlCode: @"<!-- 네임스페이스 선언 -->
<ui:UXML xmlns:utk=""UVC.UIToolkit"">

<!-- UXML에서 직접 사용 -->
<utk:UTKToolBar orientation=""Horizontal""
    item-spacing=""2""
    toolbar-size=""40"" />

<!-- 세로 배치 -->
<utk:UTKToolBar orientation=""Vertical"" />

</ui:UXML>");
    }

    /// <summary>
    /// 가로 툴바 초기화
    /// </summary>
    private void InitializeHorizontalToolBar(VisualElement root)
    {
        var container = root.Q<VisualElement>("horizontal-toolbar-container");
        if (container == null) return;

        _sampleToolBarModelHorizontal = new UTKToolBarModel();

        // Standard 버튼들
        _sampleToolBarModelHorizontal.AddStandardButton("저장", UTKMaterialIcons.Save, new DebugLogCommand("저장"), "파일 저장");
        _sampleToolBarModelHorizontal.AddStandardButton("실행 취소", UTKMaterialIcons.Undo, new DebugLogCommand("실행 취소"), "실행 취소");
        _sampleToolBarModelHorizontal.AddStandardButton("다시 실행", UTKMaterialIcons.Redo, new DebugLogCommand("다시 실행"), "다시 실행");

        _sampleToolBarModelHorizontal.AddSeparator();

        // Toggle 버튼들
        _sampleToolBarModelHorizontal.AddToggleButton("그리드", false,
            UTKMaterialIcons.GridOn, UTKMaterialIcons.GridOff,
            isOn => AppendToolBarLog($"그리드: {(isOn ? "ON" : "OFF")}"),
            tooltip: "그리드 표시/숨김");
        _sampleToolBarModelHorizontal.AddToggleButton("스냅", false,
            UTKMaterialIcons.FilterCenterFocus, UTKMaterialIcons.CenterFocusWeak,
            isOn => AppendToolBarLog($"스냅: {(isOn ? "ON" : "OFF")}"),
            tooltip: "스냅 활성화/비활성화");

        _sampleToolBarModelHorizontal.AddSeparator();

        // Radio 버튼 그룹 (도구 선택)
        _sampleToolBarModelHorizontal.AddRadioButton("tool", "선택", true,
            UTKMaterialIcons.NearMe, null,
            isOn => { if (isOn) AppendToolBarLog("도구: 선택"); },
            tooltip: "선택 도구");
        _sampleToolBarModelHorizontal.AddRadioButton("tool", "이동", false,
            UTKMaterialIcons.OpenWith, null,
            isOn => { if (isOn) AppendToolBarLog("도구: 이동"); },
            tooltip: "이동 도구");
        _sampleToolBarModelHorizontal.AddRadioButton("tool", "회전", false,
            UTKMaterialIcons.Refresh, null,
            isOn => { if (isOn) AppendToolBarLog("도구: 회전"); },
            tooltip: "회전 도구");
        _sampleToolBarModelHorizontal.AddRadioButton("tool", "크기", false,
            UTKMaterialIcons.AspectRatio, null,
            isOn => { if (isOn) AppendToolBarLog("도구: 크기"); },
            tooltip: "크기 도구");

        _sampleToolBarModelHorizontal.AddSeparator();

        // Expandable 버튼 (도형)
        var shapeBtn = _sampleToolBarModelHorizontal.AddExpandableButton("도형",
            UTKMaterialIcons.Category, tooltip: "도형 추가", updateIconOnSelection: true);
        shapeBtn.SubButtons.Add(new UTKToolBarStandardButtonData { Text = "사각형", IconPath = UTKMaterialIcons.CropSquare, UseMaterialIcon = true });
        shapeBtn.SubButtons.Add(new UTKToolBarStandardButtonData { Text = "원형", IconPath = UTKMaterialIcons.Circle, UseMaterialIcon = true });
        shapeBtn.SubButtons.Add(new UTKToolBarStandardButtonData { Text = "삼각형", IconPath = UTKMaterialIcons.ChangeHistory, UseMaterialIcon = true });

        // View 생성
        _sampleToolBarHorizontal = new UTKToolBar();
        _sampleToolBarHorizontal.Orientation = UTKToolBarOrientation.Horizontal;

        _sampleToolBarHorizontal.OnAction += OnToolBarSampleAction;
        _sampleToolBarHorizontal.BuildToolBar(_sampleToolBarModelHorizontal);

        container.Add(_sampleToolBarHorizontal);
    }

    /// <summary>
    /// 세로 툴바 초기화
    /// </summary>
    private void InitializeVerticalToolBar(VisualElement root)
    {
        var container = root.Q<VisualElement>("vertical-toolbar-container");
        if (container == null) return;

        _sampleToolBarModelVertical = new UTKToolBarModel();

        // Standard 버튼들 (아이콘만)
        _sampleToolBarModelVertical.AddStandardButton("", UTKMaterialIcons.Save, new DebugLogCommand("세로: 저장"), "저장");
        _sampleToolBarModelVertical.AddStandardButton("", UTKMaterialIcons.Undo, new DebugLogCommand("세로: 실행 취소"), "실행 취소");

        _sampleToolBarModelVertical.AddSeparator();

        // Toggle 버튼
        _sampleToolBarModelVertical.AddToggleButton("", false,
            UTKMaterialIcons.Visibility, UTKMaterialIcons.VisibilityOff,
            tooltip: "표시/숨김");
        _sampleToolBarModelVertical.AddToggleButton("", false,
            UTKMaterialIcons.Lock, UTKMaterialIcons.LockOpen,
            tooltip: "잠금/해제");

        _sampleToolBarModelVertical.AddSeparator();

        // Radio 버튼 그룹
        _sampleToolBarModelVertical.AddRadioButton("vtool", "", true,
            UTKMaterialIcons.NearMe, null, tooltip: "선택 도구");
        _sampleToolBarModelVertical.AddRadioButton("vtool", "", false,
            UTKMaterialIcons.OpenWith, null, tooltip: "이동 도구");
        _sampleToolBarModelVertical.AddRadioButton("vtool", "", false,
            UTKMaterialIcons.Refresh, null, tooltip: "회전 도구");

        _sampleToolBarModelVertical.AddSeparator();

        // Expandable 버튼 (도형)
        var shapeBtn = _sampleToolBarModelVertical.AddExpandableButton("",
            UTKMaterialIcons.Category, tooltip: "도형 추가", updateIconOnSelection: true);
        shapeBtn.SubButtons.Add(new UTKToolBarStandardButtonData { Text = "사각형", IconPath = UTKMaterialIcons.CropSquare, UseMaterialIcon = true });
        shapeBtn.SubButtons.Add(new UTKToolBarStandardButtonData { Text = "원형", IconPath = UTKMaterialIcons.Circle, UseMaterialIcon = true });
        shapeBtn.SubButtons.Add(new UTKToolBarStandardButtonData { Text = "삼각형", IconPath = UTKMaterialIcons.ChangeHistory, UseMaterialIcon = true });

        // View 생성
        _sampleToolBarVertical = new UTKToolBar();
        _sampleToolBarVertical.Orientation = UTKToolBarOrientation.Vertical;

        _sampleToolBarVertical.OnAction += OnToolBarSampleAction;
        _sampleToolBarVertical.BuildToolBar(_sampleToolBarModelVertical);

        container.Add(_sampleToolBarVertical);
    }

    /// <summary>
    /// API 테스트 버튼 초기화
    /// </summary>
    private void InitializeToolBarApiTest(VisualElement root)
    {
        var container = root.Q<VisualElement>("api-test-container");
        var resultLabel = root.Q<Label>("api-result-label");
        if (container == null || resultLabel == null) return;

        // SetToggleButtonState 테스트
        var toggleBtn = new UTKButton("Toggle Grid ON");
        toggleBtn.OnClicked += () =>
        {
            if (_sampleToolBarModelHorizontal == null) return;
            _sampleToolBarModelHorizontal.SetToggleButtonStateByText("그리드", true, true);
            resultLabel.text = "SetToggleButtonStateByText(\"그리드\", true) 실행됨";
        };
        container.Add(toggleBtn);

        // SetRadioButtonSelection 테스트
        var radioBtn = new UTKButton("Select 이동");
        radioBtn.OnClicked += () =>
        {
            if (_sampleToolBarModelHorizontal == null) return;
            _sampleToolBarModelHorizontal.SetRadioButtonSelectionByText("tool", "이동", true);
            resultLabel.text = "SetRadioButtonSelectionByText(\"tool\", \"이동\") 실행됨";
        };
        container.Add(radioBtn);

        // ClearRadioButtonSelection 테스트
        var clearBtn = new UTKButton("Clear Radio");
        clearBtn.OnClicked += () =>
        {
            if (_sampleToolBarModelHorizontal == null) return;
            _sampleToolBarModelHorizontal.ClearRadioButtonSelection("tool", true);
            resultLabel.text = "ClearRadioButtonSelection(\"tool\") 실행됨";
        };
        container.Add(clearBtn);

        // GetToggleButtonState 테스트
        var getStateBtn = new UTKButton("Get Grid State");
        getStateBtn.OnClicked += () =>
        {
            if (_sampleToolBarModelHorizontal == null) return;
            bool state = _sampleToolBarModelHorizontal.GetToggleButtonState("그리드");
            resultLabel.text = $"GetToggleButtonState(\"그리드\"): {state}";
        };
        container.Add(getStateBtn);
    }

    /// <summary>
    /// 툴바 액션 이벤트 핸들러
    /// </summary>
    private void OnToolBarSampleAction(UTKToolBarActionEventArgs args)
    {
        string valueStr = args.Value != null ? args.Value.ToString() ?? "" : "null";
        string logEntry = $"[{args.ActionType}] {args.Text}: {valueStr}";
        Debug.Log($"[UTKToolBar Sample] {logEntry}");
        AppendToolBarLog(logEntry);
    }

    /// <summary>
    /// 이벤트 로그에 항목을 추가합니다.
    /// </summary>
    private void AppendToolBarLog(string message)
    {
        _toolBarEventLogs.Add(message);
        while (_toolBarEventLogs.Count > MaxToolBarLogLines)
        {
            _toolBarEventLogs.RemoveAt(0);
        }
        if (_toolBarEventLogLabel != null)
        {
            _toolBarEventLogLabel.text = string.Join("\n", _toolBarEventLogs);
        }
    }

    /// <summary>
    /// 툴바 샘플 리소스 정리
    /// </summary>
    private void CleanupToolBarSample()
    {
        if (_sampleToolBarHorizontal != null)
        {
            _sampleToolBarHorizontal.OnAction -= OnToolBarSampleAction;
            _sampleToolBarHorizontal.Dispose();
            _sampleToolBarHorizontal = null;
        }

        if (_sampleToolBarVertical != null)
        {
            _sampleToolBarVertical.OnAction -= OnToolBarSampleAction;
            _sampleToolBarVertical.Dispose();
            _sampleToolBarVertical = null;
        }

        _sampleToolBarModelHorizontal?.Dispose();
        _sampleToolBarModelHorizontal = null;
        _sampleToolBarModelVertical?.Dispose();
        _sampleToolBarModelVertical = null;

        _toolBarEventLogs.Clear();
        _toolBarEventLogLabel = null;
    }

    #endregion
}