using System;
using System.Numerics;
using FFXIVClientStructs.FFXIV.Component.GUI;
using KamiToolKit.Classes;
using KamiToolKit.Timelines;

namespace KamiToolKit.Nodes;

public unsafe class NumericInputNode : ComponentNode<AtkComponentNumericInput, AtkUldComponentDataNumericInput> {

    public readonly ButtonBase AddButton;
    public readonly NineGridNode BackgroundNode;
    public readonly CursorNode CursorNode;
    public readonly NineGridNode FocusBorderNode;
    public readonly ButtonBase SubtractButton;
    public readonly TextNode ValueTextNode;

    public NumericInputNode() {
        SetInternalComponentType(ComponentType.NumericInput);

        BackgroundNode = new SimpleNineGridNode {
            NodeId = 8,
            Position = new Vector2(0.0f, 3.0f),
            TexturePath = "ui/uld/NumericStepperB.tex",
            TextureCoordinates = new Vector2(56.0f, 0.0f),
            TextureSize = new Vector2(24.0f, 24.0f),
            Height = 24.0f,
            Offsets = new Vector4(10.0f),
        };
        BackgroundNode.AttachNode(this);

        AddButton = new TextureButtonNode {
            NodeId = 7,
            TexturePath = "ui/uld/NumericStepperB.tex",
            TextureCoordinates = new Vector2(28.0f, 0.0f),
            TextureSize = new Vector2(28.0f, 28.0f),
            Size = new Vector2(28.0f, 28.0f),
        };
        AddButton.AttachNode(this);

        SubtractButton = new TextureButtonNode {
            NodeId = 6,
            TexturePath = "ui/uld/NumericStepperB.tex",
            TextureCoordinates = new Vector2(0.0f, 0.0f),
            TextureSize = new Vector2(28.0f, 28.0f),
            Size = new Vector2(28.0f, 28.0f),
        };
        SubtractButton.AttachNode(this);

        ValueTextNode = new TextNode {
            NodeId = 5,
            Position = new Vector2(6.0f, 6.0f),
            FontType = FontType.Axis,
            TextColor = ColorHelper.GetColor(1),
            FontSize = 12,
            AlignmentType = AlignmentType.Top,
            String = "999",
        };
        ValueTextNode.AttachNode(this);

        FocusBorderNode = new SimpleNineGridNode {
            NodeId = 4,
            TexturePath = "ui/uld/TextInputA.tex",
            TextureCoordinates = new Vector2(0.0f, 0.0f),
            TextureSize = new Vector2(24.0f, 24.0f),
            Position = new Vector2(-3.0f, -2.0f),
            Offsets = new Vector4(10.0f),
            IsVisible = false,
        };
        FocusBorderNode.AttachNode(this);

        CursorNode = new CursorNode {
            NodeId = 2, 
            Size = new Vector2(4.0f, 24.0f), 
            OriginY = 4.0f,
        };

        CursorNode.AttachNode(this);

        BuildTimelines();

        Data->Nodes[0] = ValueTextNode.NodeId;
        Data->Nodes[1] = 0;
        Data->Nodes[2] = CursorNode.NodeId;
        Data->Nodes[3] = AddButton.NodeId;
        Data->Nodes[4] = SubtractButton.NodeId;

        Data->Max = int.MaxValue;

        InitializeComponentEvents();

        AddEvent(AtkEventType.ValueUpdate, ValueUpdateHandler);
    }

    public int Value {
        get => Component->Value;
        set => Component->InnerSetValue(value, true, false);
    }

    public int Min {
        get => Component->Data.Min;
        set => Component->Data.Min = value;
    }

    public int Max {
        get => Component->Data.Max;
        set => Component->Data.Max = value;
    }

    public int Step {
        get => Component->Data.Add;
        set => Component->Data.Add = value;
    }

    public Action<int>? OnValueUpdate { get; set; }

    protected override void OnSizeChanged() {
        base.OnSizeChanged();

        ValueTextNode.Size = new Vector2(Width - 58.0f, Height / 2.0f);
        FocusBorderNode.Size = new Vector2(Width - 40.0f, Height + 4.0f);

        BackgroundNode.Width = Width - 46.0f;
        AddButton.X = Width - 50.0f;
        SubtractButton.X = Width - 28.0f;
    }

    private void ValueUpdateHandler() {
        OnValueUpdate?.Invoke(Value);
    }

    private void BuildTimelines() {
        AddTimeline(new TimelineBuilder()
            .BeginFrameSet(1, 29)
            .AddLabel(1, 17, AtkTimelineJumpBehavior.Start, 0)
            .AddLabel(9, 0, AtkTimelineJumpBehavior.PlayOnce, 0)
            .AddLabel(10, 18, AtkTimelineJumpBehavior.Start, 0)
            .AddLabel(19, 0, AtkTimelineJumpBehavior.PlayOnce, 0)
            .AddLabel(20, 7, AtkTimelineJumpBehavior.Start, 0)
            .AddLabel(29, 0, AtkTimelineJumpBehavior.PlayOnce, 0)
            .EndFrameSet()
            .Build()
        );

        BackgroundNode.AddTimeline(new TimelineBuilder()
            .BeginFrameSet(1, 9)
            .AddFrame(1, addColor: new Vector3(0, 0, 0), multiplyColor: new Vector3(100, 100, 100))
            .EndFrameSet()
            .BeginFrameSet(10, 19)
            .AddFrame(10, addColor: new Vector3(0, 0, 0), multiplyColor: new Vector3(100, 100, 100))
            .AddFrame(12, addColor: new Vector3(20, 20, 20), multiplyColor: new Vector3(100, 100, 100))
            .EndFrameSet()
            .BeginFrameSet(20, 29)
            .AddFrame(20, addColor: new Vector3(0, 0, 0), multiplyColor: new Vector3(100, 100, 100))
            .EndFrameSet()
            .Build()
        );

        ValueTextNode.AddTimeline(new TimelineBuilder()
            .BeginFrameSet(1, 19)
            .AddFrame(1, alpha: 255)
            .AddFrame(1, textColor: new Vector3(255.0f, 255.0f, 255.0f) * 255.0f)
            .EndFrameSet()
            .BeginFrameSet(20, 29)
            .AddFrame(20, alpha: 127)
            .AddFrame(20, textColor: new Vector3(255.0f, 255.0f, 255.0f) * 255.0f)
            .EndFrameSet()
            .Build()
        );

        FocusBorderNode.AddTimeline(new TimelineBuilder()
            .BeginFrameSet(10, 19)
            .AddFrame(10, alpha: 0)
            .AddFrame(12, alpha: 255)
            .EndFrameSet()
            .Build()
        );

        CursorNode.AddTimeline(new TimelineBuilder()
            .BeginFrameSet(1, 15)
            .AddLabel(1, 101, AtkTimelineJumpBehavior.Start, 0)
            .AddLabel(15, 0, AtkTimelineJumpBehavior.LoopForever, 101)
            .EndFrameSet()
            .BeginFrameSet(1, 19)
            .AddEmptyFrame(1)
            .EndFrameSet()
            .Build()
        );
    }
}