using System.Collections.Generic;
using Gamesmiths.Forge.Godot.Resources.Abilities;
using Godot;
using Movementtests.systems;

namespace Movementtests.managers;

public partial class WeaponEventAbilityData(WeaponSystem.WeaponEvent forEvent, Resource ability)
    : RefCounted
{
    public WeaponSystem.WeaponEvent ForEvent { get; private set; } = forEvent;
    public Resource Ability { get; private set; } = ability;
}

public partial class InventoryManager : Node
{
    [Signal]
    public delegate void InventoryChangedEventHandler();

    [Signal]
    public delegate void WeaponEventInventoryChangedEventHandler();
    [Signal]
    public delegate void WeaponEventAbilityAddedEventHandler(WeaponEventAbilityData data);
    [Signal]
    public delegate void WeaponEventAbilityRemovedEventHandler(WeaponEventAbilityData data);

    public Dictionary<WeaponSystem.WeaponEvent, HashSet<Resource>> WeaponEventsInventory { get; } = [];

    public static InventoryManager Instance { get; private set; }
    
    public override void _Ready()
    {
        Instance = this;
        WeaponEventsInventory[WeaponSystem.WeaponEvent.FlyingTick] = new HashSet<Resource>();
        WeaponEventsInventory[WeaponSystem.WeaponEvent.StartedFlying] = new HashSet<Resource>();
        WeaponEventsInventory[WeaponSystem.WeaponEvent.StoppedFlying] = new HashSet<Resource>();
    }

    public void AddAbilityForWeaponEvent(WeaponSystem.WeaponEvent forEvent, ForgeAbilityBehavior abilityBehavior)
    {
        var inventoryForEvent = WeaponEventsInventory[forEvent];
        var addedAbilityToInventory = inventoryForEvent.Add(abilityBehavior);
        if (!addedAbilityToInventory) return;
        
        EmitSignalWeaponEventInventoryChanged();
        EmitSignalWeaponEventAbilityAdded(new WeaponEventAbilityData(forEvent, abilityBehavior));
    }

    public void RemoveAbilityForWeaponEvent(WeaponSystem.WeaponEvent forEvent, ForgeAbilityBehavior abilityBehavior)
    {
        var inventoryForEvent = WeaponEventsInventory[forEvent];
        var removedFromInventory = inventoryForEvent.Remove(abilityBehavior);
        if (!removedFromInventory) return;
        
        EmitSignalWeaponEventInventoryChanged();
        EmitSignalWeaponEventAbilityRemoved(new WeaponEventAbilityData(forEvent, abilityBehavior));
    }
}