using System;
using Godot;
using Godot.Collections;

namespace Babushka.scripts.CSharp.Common.Minigame;

public partial class RegionVisual : Node
{
    [Export] private Sprite2D _sliceSprite = null!;
    [Export] private Label _textLabel = null!;
    [Export] private Node2D _labelPivot = null!;

    [Export(PropertyHint.DictionaryType)] private Dictionary<MinigameController.RegionTheme, Color> _fillColors = new();

    private int _index;

    public void Setup(Vector2 normalAngles, string regionText, MinigameController.RegionTheme regionTheme, int index)
    {
        var mat = (_sliceSprite.Material as ShaderMaterial)!;
        mat.SetShaderParameter("angles", normalAngles);
        mat.SetShaderParameter("fillColor", GetFillColor(regionTheme));

        // '/ 2' from the average and '* 2' from the radians cancel out
        var averageAngleRadians = (normalAngles.X + normalAngles.Y) * float.Pi;
        _labelPivot.Rotation = averageAngleRadians;
        _textLabel.Rotation = -averageAngleRadians;

        _textLabel.Text = regionText;

        _index = index;
    }

    public void HitAnimation(int regionIndex)
    {
        if(regionIndex != _index) return;
        
        var tween = GetTree().CreateTween();
        tween.TweenProperty(_sliceSprite, "scale", new Vector2(1.5f, 1.5f), 0.1f);
        tween.TweenProperty(_sliceSprite, "scale", new Vector2(1f, 1f), 0.2f);
    }

    private Color GetFillColor(MinigameController.RegionTheme theme)
    {
        if (_fillColors.TryGetValue(theme, out var color)) return color;
        throw new InvalidOperationException($"No fill color for theme {theme}");
    }
}