using System;
using System.Diagnostics;
using System.Threading.Tasks;
using Babushka.scripts.CSharp.Common.Inventory;
using Babushka.scripts.CSharp.Common.Util;

namespace Babushka.scripts.CSharp.Common.Fight.Actions;

public class EatBeetrootAction : FighterAction
{
    public override Variant<float, Func<bool>> GetAnimationEnd() => 1;
    public override bool NextDetail() => false;

    private const int HealAmount = 20;

    public override bool ShouldAbort()
    {
        Debug.Assert(FightWorld.Instance.itemBeetrootToEatForHealth != null,
            "Item to eat for health has not been set in the FightWorld autoload");
        return !InventoryManager.Instance.playerInventory!.HasItems(new ItemInstance
            { blueprint = FightWorld.Instance.itemBeetrootToEatForHealth });
    }

    public override async Task AnimateAction(AllFightersVisual allFightersVisual,
        FightHappeningAnimationContext animationContext)
    {
        var fighter = HappeningData.fighterTurn.Current;
        var fighterVisual = allFightersVisual.GetVisualForFighter(fighter);
        fighterVisual.SpawnDamageIndicatorNumber($"+{HealAmount}");
        animationContext.useHealItemIndicator.SpawnIndicator();
        await fighterVisual.AnimateHeal();
    }

    public override void ExecuteAction()
    {
        var fighter = HappeningData.fighterTurn.Current;

        var result = InventoryManager.Instance.playerInventory!.TryRemoveAllItems(
            new ItemInstance { blueprint = FightWorld.Instance.itemBeetrootToEatForHealth! });

        if (result != InventoryActionResult.Success)
            throw new Exception("No Beetroot in inventory. This case should have been handled earlier");

        fighter.ChangeHealth(HealAmount);
    }

    public override AllyActionButton BindToActionButton() => AllyActionButton.Talk; // Temporarily bound to talk button
}