using Godot;
using System;

public partial class PlayerUi : Control
{
    private TextureRect[] _dashIcons = new TextureRect[3];
    private TextureRect _enemyTarget;
    
    public enum TargetState
    {
        NoTarget,
        TargetTooFar,
        TargetInRange,
        TargetDashThrough
    }
    
    public record TargetProperties(TargetState State, Vector2 Position);
    
    [Export]
    public Color DashThroughColor { get; set; } = new Color("009c8f");
    [Export]
    public Color DashBlockedColor { get; set; } = new Color("fc001c");
    [Export]
    public Color DashOutOfRangeColor { get; set; } = new Color("ffffff");
    
    public override void _Ready()
    {
        _dashIcons[0] = GetNode<TextureRect>("%Dash1");
        _dashIcons[1] = GetNode<TextureRect>("%Dash2");
        _dashIcons[2] = GetNode<TextureRect>("%Dash3");

        _enemyTarget = GetNode<TextureRect>("%EnemyTarget");
    }

    public void SetEnemyTargetProperties(TargetProperties targetProperties)
    {
        var (state, position) = targetProperties;
        
        var visible = state != TargetState.NoTarget;

        var modulation = state switch
        {
            TargetState.TargetTooFar => DashOutOfRangeColor,
            TargetState.TargetInRange => DashBlockedColor,
            TargetState.TargetDashThrough => DashThroughColor,
            _ => DashOutOfRangeColor
        };
        _enemyTarget.SetVisible(visible);
        _enemyTarget.SetPosition(position - _enemyTarget.Size / 2);
        _enemyTarget.SetModulate(modulation);
    }


    public void SetNumberOfDashesLeft(int numberOfDashes)
    {
        int index = 1;
        foreach (var dashIcon in _dashIcons)
        {
            dashIcon.SetVisible(index <= numberOfDashes);
            index++;
        }
    } 
}