using System;
using Babushka.scripts.CSharp.Common.Inventory;
using Babushka.scripts.CSharp.Common.NPC;
using Godot;

namespace Babushka.scripts.CSharp.mock;

// Dieses script enthält ALLE möglichen dialogoptionen die Yeli in der gesamten Demo hat.
// Das script ist dafür verantwortlich den richtigen Dialog zu starten.
public partial class YeliDialog : Node
{
    public async void StartDialog() // kann zu jedem zeitpunkt vom spieler getriggert werden
    {
        var potato = ObjectLookup.potatoQuest;
        var yeli = ObjectLookup.yeliNpc;
        var inventory = InventoryManager.Instance.playerInventory!;

        if (yeli.isSleeping) // wenn yeli schläft kann keine quest von ihr angenommen werden, auch wenn die quest verfügbar ist
        {
            await DialogicStarter.Dialog("YeliSleep"); // "ZZZ"
        }
        else if (potato.state == PotatoQuest.State.YeliRequest)
        {
            await DialogicStarter.Dialog("YeliAskForPotato"); // "Can you bring me 5 potatoes?"
            potato.state = PotatoQuest.State.BringPotato;
        }
        else if (potato.state == PotatoQuest.State.BringPotato)
        {
            var potatoesTodo = potato.potatoesWanted - potato.potatoesBrought;
            var potatoesAvailable = inventory.TotalItemsOfBlueprint(potato.itemBlueprint);
            var takePotatoes = Math.Min(potatoesTodo, potatoesAvailable);

            inventory.TryRemoveAllItems(new ItemInstance
                { blueprint = potato.itemBlueprint, amount = takePotatoes }); // should not fail
            potato.potatoesWanted -= takePotatoes;

            potatoesTodo = potato.potatoesWanted - potato.potatoesBrought;

            var isComplete = potatoesTodo <= 0;
            var wasSomeDelivered = takePotatoes > 0;

            if (isComplete)
            {
                await DialogicStarter.Dialog("YeliPotatoThankYou"); // "thanks for bringing me all the potatoes"
                potato.state = PotatoQuest.State.Done;
            }
            else
            {
                DialogicStarter.SetValue("potatoes", potatoesTodo); // setzt die Dialogic variable

                if (wasSomeDelivered)
                {
                    await DialogicStarter.Dialog("YeliPotatoThanksButMore"); // "thank you but i need {potatoes} more potatoes"
                }
                else
                {
                    await DialogicStarter.Dialog("YeliPotatoMore"); // "I still need {potatoes} more potatoes"
                }
            }
        }
        else
        {
            await DialogicStarter.Dialog("YeliDefault"); // "I'm happy to have you around" oder so
        }
    }
}