using Godot;
using MaxEffort.Code.Core;

namespace MaxEffort.Code.Systems;

[GlobalClass]
public partial class DeadliftSystem : BaseLiftSystem
{
    [Export] private float _barHeight = 100f; // Visual height of the lift
    [Export] private float _holdZoneThreshold = 0.8f; // Must be above 80% to count
    [Export] private Node2D _barVisual; 
    [Export] private Vector2 _startPos;
    [Export] private Vector2 _endPos;
    
    private float _currentBarHeight = 0f;
    private float _holdTimer = 0f;
    
    public override void Initialize(float targetTime, float gravity)
    {
        base.Initialize(targetTime, gravity);
        _holdTimer = 0f;
    }
    
    protected override void HandleEffort(float effortDelta)
    {
        _currentBarHeight += PowerPerClick * effortDelta;
        _currentBarHeight = Mathf.Min(_currentBarHeight, _barHeight);
    }
    
    public override void _Process(double delta)
    {
        if (IsLiftComplete) return;

        var dt = (float)delta;

        if (_currentBarHeight > 0)
        {
            _currentBarHeight -= Gravity * dt;
            _currentBarHeight = Mathf.Max(0, _currentBarHeight);
        }

        var visualRatio = _currentBarHeight / _barHeight; // 0.0 to 1.0 (Height)
        
        if (visualRatio >= _holdZoneThreshold && ActiveHazardCount == 0)
        {
            _holdTimer += dt;
            EventBus.PublishCameraTrauma(0.15f * dt); 
        }
        
        EventBus.PublishLiftVisualHeight(visualRatio);
        EventBus.PublishLiftProgress(_holdTimer / TargetValue);

        if (_barVisual != null)
        {
            _barVisual.Position = _startPos.Lerp(_endPos, visualRatio);
        }

        if (_holdTimer >= TargetValue)
        {
            EventBus.PublishCameraTrauma(1.0f); 
            EventBus.PublishLiftCompleted(true);
        }
    }
}