using CourseWork_EredavkinRA;
using System.Windows.Forms;

namespace CourseWorkEreda
{

    public partial class FormMain : Form
    {
        private ArrayManager stackManager;
        private Visualizator _Visualizer;
        public FormMain()
        {
            InitializeComponent();
            _Visualizer = new Visualizator();
            stackManager = new ArrayManager(new ArrayDequeParameters(10));


        }

        public void ExecuteOperation(Operation operation, int? element = null)
        {
            if (operation == Operation.pushFront && element.HasValue)
            {
                
                FormInput pushForm = new FormInput();
                pushForm.PushClicked += HandlePushClicked;
                pushForm.Show();
            }
            else if (operation == Operation.popFront)
            {
                stackManager.PopFront();
            }
            else if (operation == Operation.pushBack && element.HasValue)
            {
                FormInput pushForm = new FormInput();
                pushForm.PushClicked += HandleBackPushClicked;
                pushForm.Show();

            }
            else if (operation == Operation.popBack)
            {
                stackManager.PopBack();
            }
            UpdateStackView(stackManager.GetStorage());
        }

        public void HandlePushClicked(int element)
        {
            stackManager.FrontPush(element);
            UpdateStackView(stackManager.GetStorage());
        }

        public void HandleBackPushClicked(int element)
        {
            stackManager.BackPush(element);
            UpdateStackView(stackManager.GetStorage());
        }

        private void buttonPushFront_Click(object sender, EventArgs e)
        {
            int element = 0;

            Action<int> pushAction = (element) => ExecuteOperation(Operation.pushFront, element);
            pushAction(element);
            _Visualizer.SetAddRectangleUp(true);
        }


        private void buttonpushBack_Click(object sender, EventArgs e)
        {
            int element = 0; // Здесь можно задать значение элемента для добавления в конец стека
            Action<int> pushAction = (element) => ExecuteOperation(Operation.pushBack, element);
            pushAction(element);
            _Visualizer.SetAddRectangleUp(false);

        }

        private void buttonpopFront_Click(object sender, EventArgs e)
        {
            ExecuteOperation(Operation.popFront);
            UpdateStackView(stackManager.GetStorage());
        }

        private void buttonpopBack_Click(object sender, EventArgs e)
        {
            ExecuteOperation(Operation.popBack);
            UpdateStackView(stackManager.GetStorage());
        }

        private void buttonEmpty_Click(object sender, EventArgs e)
        {
            if (stackManager.IsEmpty())
            {
                MessageBox.Show("Дек пуст!");
            }
            else
            {
                MessageBox.Show("В Деке есть элементы.");
            }
        }

        private void buttonInfo_Click(object sender, EventArgs e)
        {
            FormInfo informationForm = new FormInfo();
            informationForm.Show();
            UpdateStackView(stackManager.GetStorage());
        }

        private void buttonSave_Click(object sender, EventArgs e)
        {
            SaveFileDialog saveFileDialog = new SaveFileDialog();
            saveFileDialog.Filter = "Text files (*.txt)|*.txt|All files (*.*)|*.*";
            if (saveFileDialog.ShowDialog() == DialogResult.OK)
            {
                stackManager.storage.SaveToFile(saveFileDialog.FileName);
                MessageBox.Show("Состояния успешно сохранены!");
            }
        }

        private void buttonLoad_Click(object sender, EventArgs e)
        {
            OpenFileDialog openFileDialog = new OpenFileDialog();
            openFileDialog.Filter = "Text files (*.txt)|*.txt|All files (*.*)|*.*";
            if (openFileDialog.ShowDialog() == DialogResult.OK)
            {
                stackManager.ClearStates();
                stackManager.storage.LoadFromFile(openFileDialog.FileName);

                // Присвоение последнего состояния стека после загрузки
                ArrayDequeState? lastState = stackManager.storage.GetLastState();
                if (lastState != null)
                {
                    //stackManager.SetState(lastState);
                    //UpdateStackView();
                }

                MessageBox.Show("Файл успешно загружен!");
            }
        }
        public void UpdateStackView(StateStorage stateStorage)
        {
            ArrayDequeState? currentState = stackManager.GetStates().LastOrDefault();
            if (currentState != null)
            {
                _Visualizer.Visualize(currentState, this);
                UpdateStateList();
            }
        }
        private void UpdateStateList()
        {
            lstStackStates.Items.Clear();
            foreach (var state in stackManager.GetStates())
            {
                lstStackStates.Items.Add(string.Join(",", state.Array));

            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            ArrayDequeState? currentState = stackManager.GetStates().LastOrDefault();
            if (currentState != null)
            {

                _Visualizer.Visualize(currentState, this);
            }
        }
        
        private void buttonStepForward_Click(object sender, EventArgs e)
        {
            var storage = stackManager.StepForward();
            UpdateStackView(storage);
        }

        private void buttonStepBack_Click(object sender, EventArgs e)
        {
            var storage = stackManager.StepBackward();
            UpdateStackView(storage);
        }

    }
}