using System;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Linq;
using DonkeysAndDroids;
using Godot;
using RobotAndDonkey.Game;
using RobotAndDonkey.Game.Cards;
using RobotAndDonkey.Game.Execution.Commands;
using RobotAndDonkey.Game.Execution.Results;
using RobotAndDonkey.Game.GameState;
using RobotAndDonkey.Game.Utils;

public partial class Gamble : Control, IScreen
{
    public override void _Ready()
    {
        m_Patches = GetNode<CardRow>("%Patches");
        m_Add = GetNode<Button>("%Add");
        m_Add.Pressed += OnAddPressed;
        m_Skip = GetNode<Button>("%Skip");
        m_Skip.Pressed += OnSkipPressed;
        m_Patches.Connect(CardRow.SignalName.SelectionChanged, new(this, nameof(OnSelectionChanged)));
    }

    private void OnSelectionChanged(CardControl[] selection)
    {
        if (selection.Length != 1)
        {
            m_BuyCardsCommand = null;
            return;
        }

        m_BuyCardsCommand = new(Main.Instance.CurrentRequest.RequestId, selection.Select(c => m_Patches.OrderedCards.IndexOf(c.Card)).ToArray());
    }

    private void OnAddPressed()
    {
        Main.Instance.Execute(m_BuyCardsCommand);
    }

    private void OnSkipPressed()
    {
        Main.Instance.Execute(m_StopGamblingCommand);
    }

    public void Deactivate()
    {
    }

    public void EnableInputs()
    {
        m_Add.Disabled = false;
        m_Skip.Disabled = false;
    }

    public void DisableInputs()
    {
        m_Add.Disabled = true;
        m_Skip.Disabled = true;
    }

    public void Activate()
    {
    }

    public bool HandleResult(Result result, Tween tween)
    {
        switch (result)
        {
            case ShopResult shopResult:
            {
                m_Patches.Configure(shopResult.Shop, tween, false, false);
                return true;
            }
        }

        return false;
    }

    public override void _Process(double delta)
    {
        m_Skip.Disabled = m_StopGamblingCommand == null || !m_StopGamblingCommand.IsValid(Main.Instance.CoreLoop, out _);
        m_Add.Disabled = m_BuyCardsCommand == null || !m_BuyCardsCommand.IsValid(Main.Instance.CoreLoop, out _);
    }

    public void Configure(List<Card> hand, Tween tween)
    {
        m_Patches.Configure(hand, tween, true, false);
        m_StopGamblingCommand = new(Main.Instance.CurrentRequest.RequestId);
    }

    private BuyCardsCommand m_BuyCardsCommand;

    private CardRow m_Patches;
    private Button m_Add;
    private Button m_Skip;
    private StopGamblingCommand m_StopGamblingCommand;
}