using Godot;
using System;
using Chickensoft.AutoInject;
using Chickensoft.Introspection;
using Gamesmiths.Forge.Attributes;
using Gamesmiths.Forge.Core;
using Gamesmiths.Forge.Cues;
using Gamesmiths.Forge.Godot.Core;
using Gamesmiths.Forge.Tags;
using Movementtests.interfaces;
using Movementtests.tools;

[GlobalClass, Icon("res://assets/ui/IconGodotNode/control/icon_text_panel.png"), Meta(typeof(IAutoNode))]
public partial class PlayerUi : Control
{
    public override void _Notification(int what) => this.Notify(what);
    
    [Dependency]
    public TagsManager TagsManager => this.DependOn<TagsManager>();
    
    #region Utils
    
    public enum TargetState
    {
        NoTarget,
        TargetWouldNotKill,
        TargetWouldKill
    }
    public record TargetProperties(TargetState State, Vector2 Position);

    #endregion

    #region Nodes

    [Node] public required TextureRect EnemyTarget { get; set; }
    [Node] public required ResourceBar Healthbar { get; set; }
    [Node] public required ResourceBar Manabar { get; set; }

    #endregion

    #region Exports
    
    [Export]
    public Color WouldKillColor { get; set; } = new Color("009c8f");
    [Export]
    public Color WouldNotKillColor { get; set; } = new Color("fc001c");

    #endregion
    
    private EntityAttribute? _health;
    private EntityAttribute? _mana;
    public void Init(EntityAttribute health, EntityAttribute mana)
    {
        _health = health;
        _mana = mana;
    }

    public void OnResolved()
    {
        if (_health == null || _mana == null) throw new Exception("Health and mana attributes are not set");
        Healthbar.Init(_health, Tag.RequestTag(TagsManager, "cues.resources.health"));
        Manabar.Init(_mana, Tag.RequestTag(TagsManager, "cues.resources.mana"));
    }

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

        var modulation = state switch
        {
            TargetState.TargetWouldNotKill => WouldNotKillColor,
            TargetState.TargetWouldKill => WouldKillColor,
            _ => WouldNotKillColor
        };
        EnemyTarget.SetVisible(visible);
        EnemyTarget.SetPosition(position - EnemyTarget.Size / 2);
        EnemyTarget.SetModulate(modulation);
    }
}