using GtaVUsersInfo.Controls;
using GtaVUsersInfo.Forms;
using GtaVUsersInfo.Helpers;
using GtaVUsersInfo.Sources;
using Newtonsoft.Json;
using System.Data;

namespace GtaVUsersInfo
{
    public partial class MainForm : Form
    {
        private List<Control> debugControlsList;

        private List<Car> carList;

        private List<ParameterControl> parameters;
        private List<CarControl> cars;

        private Font defaultFont;
        private Color defaultColor;

        private Color defaultPanelColor;

        private List<Control> dtControls;

        private FontSettings fontSettings;
        private WindowParameters window;
        private PanelColorSettings panelColorSettings;

        private bool isUser;

        public MainForm()
        {
            InitializeComponent();

            defaultFont = new Font("Arial", 11, FontStyle.Regular);
            defaultColor = Color.Black;

            debugControlsList = new List<Control> { parserButton, readJsonButton };

            this.visible(debugControlsList, false);

            carList = LoadCarsFromJson(Resources.carJsonPath);

            cars = new List<CarControl>();
            parameters = new List<ParameterControl> { new ParameterControl("Имя"), new ParameterControl("Деньги") };

            carsItems.ContextMenuStrip = new CarPanelMenuStrip(addCar_Click).Menu;
            parametersPanel.ContextMenuStrip = new ParameterPanelMenuStrip(addNewParameter).Menu;

            dtControls = new List<Control> { parserButton, readJsonButton };

            fontSettings = FontSettings.LoadFontSettings();
            if (fontSettings != null)
            {
                fontSettings.FontSettingsEdit(dtControls);
                FontSettings.ChangeFontInControls(this, fontSettings);
            }
            else
            {
                fontSettings = new FontSettings(defaultFont, defaultColor, dtControls);
                FontSettings.ChangeFontInControls(this, fontSettings);

                FontSettings.SaveFontSettings(fontSettings);
            }

            isUser = false;
            window = WindowParameters.LoadWindowParameters();
            if (window != null)
            {
                if (window.prevFile != null)
                {
                    Cars_Parameters lists = LoadDataFromFile(window.prevFile);
                    if (lists != null)
                    {
                        cars = lists.cars.Select(car => new CarControl(car)).ToList();
                        parameters = lists.parameters.Select(parameter => new ParameterControl(parameter)).ToList();

                        AllPanelCreate();
                    }
                }
                WindowResize();
            }
            else
            {
                window = new WindowParameters(new Size(this.Width, this.Height), new Size(this.splitterLeft.SplitPosition, this.splitterRigth.SplitPosition), IsFormFullscreen());
                WindowParameters.SaveWindowParameters(window);
                WindowResize();
            }

            panelColorSettings = PanelColorSettings.LoadPanelSettings();
            if (panelColorSettings != null)
            {
                ChangePanelColor();
            }
            else
            {
                panelColorSettings = new PanelColorSettings(defaultPanelColor, defaultPanelColor, defaultPanelColor, defaultPanelColor);
                ChangePanelColor();
            }
            isUser = true;
        }

        private bool IsFormFullscreen()
        {
            if (this.WindowState == FormWindowState.Maximized)
            {
                return true;
            }
            return false;
        }

        private void SetFullscreen(bool fullscreen)
        {
            if (fullscreen)
            {
                this.WindowState = FormWindowState.Maximized;
            }
        }

        private void MainForm_Load(object sender, EventArgs e)
        {
            AllPanelCreate();
        }

        private void AllPanelCreate()
        {
            ParameterPanelCreate();
            CarPanelCreate();

            FontSettings.ChangeFontInControls(this, fontSettings);
            ChangePanelColor();
        }

        private void WindowResize()
        {
            this.Width = window.width;
            this.Height = window.height;
            this.splitterLeft.SplitPosition = window.leftPos;
            this.splitterRigth.SplitPosition = window.rightPos;
            SetFullscreen(window.isFullScreen);
        }

        private void ParameterPanelCreate()
        {
            parametersPanel.Controls.Clear();

            foreach (ParameterControl param in parameters)
            {
                param.Dock = DockStyle.Top;
                param.MenuStrip = new ParameterItemMenuStrip(addNewParameter, deleteParameter, param).Menu;
                parametersPanel.Controls.Add(param);
                parametersPanel.Controls.SetChildIndex(param, 0);
            }
        }

        private void CarPanelCreate()
        {
            carsItems.Controls.Clear();

            foreach (CarControl car in cars)
            {
                car.MenuStrip = new CarItemMenuStrip(addCar_Click, editCar, deleteCar, car.ChangeColor, car).Menu;
                carsItems.Controls.Add(car);
            }
        }

        public static List<Car> LoadCarsFromJson(string filePath)
        {
            try
            {
                string json = File.ReadAllText(filePath);
                List<Car> cars = JsonConvert.DeserializeObject<List<Car>>(json);

                return cars;
            }
            catch (FileNotFoundException)
            {
                ErrorsShow.ShowErrorMessage($"Файл с автомобилями не найден: {filePath}");
                return new List<Car>();
            }
            catch (JsonException ex)
            {
                ErrorsShow.ShowErrorMessage($"Ошибка при десериализации JSON автомобилей: {ex.Message}");
                return new List<Car>();
            }
            catch (Exception ex)
            {
                ErrorsShow.ShowErrorMessage($"Произошла неожиданная ошибка при открытии файла с автомобилями: {ex.Message}");
                return new List<Car>();
            }
        }

        #region Methods

        private void visible(List<Control> controls, bool isVisible)
        {
            controls.ForEach(control => { control.Visible = isVisible; control.Enabled = isVisible; });
        }

        private void readJsonButton_Click(object sender, EventArgs e)
        {
            carList = LoadCarsFromJson(Resources.carJsonPath);
        }

        private void debugCheck_CheckedChanged(object sender, EventArgs e)
        {
            this.visible(debugControlsList, debugCheck.Checked);
        }

        #endregion

        async private void parserButton_Click(object sender, EventArgs e)
        {
            using (var parser = new CarParser())
            {
                var cars = await parser.ParseCarsFromPages(25);
                parser.SaveToJson(cars, Resources.carJsonPath);
                ErrorsShow.ShowInfoMessage($"Данные сохранены: {Resources.carJsonPath}");
            }

            carList = LoadCarsFromJson(Resources.carJsonPath);
        }

        #region Методы автомобильной панели

        private void addCar_Click(object sender, EventArgs e)
        {
            if (carList.Count <= 0)
            {
                ErrorsShow.ShowErrorMessage($"Список автомобилей пуст, ошибка чтения файла: {Resources.carJsonPath}");
                return;
            }

            Car car = new Car();

            using (AddCars form = new AddCars(carList, car))
            {
                form.ChangeFonts(fontSettings);
                form.ShowDialog();
            }

            if (car.Name != null)
            {
                CarControl item = new CarControl(car);
                cars.Add(item);
                AllPanelCreate();
            }
        }

        private void editCar(object sender, EventArgs e)
        {
            if (carList.Count <= 0)
            {
                ErrorsShow.ShowErrorMessage($"Список автомобилей пуст, ошибка чтения файла: {Resources.carJsonPath}");
                return;
            }

            ToolStripMenuItem clickedMenuItem = sender as ToolStripMenuItem;
            if (clickedMenuItem == null)
                return;

            CarItemMenuStrip menu = clickedMenuItem.Tag as CarItemMenuStrip;
            if (menu == null)
                return;

            CarControl carItem = menu.Car;
            if (carItem == null)
                return;

            Car car = new Car();

            using (AddCars form = new AddCars(carList, car))
            {
                form.ShowDialog();
            }

            if (car.Name != null)
            {
                carItem.EditCar(car);
            }
        }

        private void deleteCar(object sender, EventArgs e)
        {
            if (carList.Count <= 0)
            {
                ErrorsShow.ShowErrorMessage($"Список автомобилей пуст, ошибка чтения файла: {Resources.carJsonPath}");
                return;
            }

            ToolStripMenuItem clickedMenuItem = sender as ToolStripMenuItem;
            if (clickedMenuItem == null)
                return;

            CarItemMenuStrip menu = clickedMenuItem.Tag as CarItemMenuStrip;
            if (menu == null)
                return;

            CarControl carItem = menu.Car;
            if (carItem == null)
                return;

            if (cars.Contains(carItem))
            {
                DialogResult result = ErrorsShow.ShowQuestMessage(
                        $"Вы точно хотите удалить автомобиль: {carItem.Car.Name} - {carItem.Car.Price}?"
                    );

                if (result == DialogResult.Yes)
                {
                    cars.Remove(carItem);
                    AllPanelCreate();
                }

                if (result == DialogResult.Cancel)
                {
                    return;
                }
            }
        }

        #endregion

        #region Методы панели параметров

        private void addParameter_Click(object sender, EventArgs e)
        {
            ParameterControl parameter = new ParameterControl();

            using (AddParameter form = new AddParameter(parameters, parameter))
            {
                form.ChangeFonts(fontSettings);
                form.ShowDialog();
            }

            if (!string.IsNullOrEmpty(parameter.ParamName))
            {
                parameter.Dock = DockStyle.Top;
                parameters.Add(parameter);
                AllPanelCreate();
            }
        }

        private void addNewParameter(object sender, EventArgs e)
        {
            addParameter_Click(sender, e);
        }

        private void deleteParameter(object sender, EventArgs e)
        {
            if (parameters.Count <= 0)
            {
                ErrorsShow.ShowErrorMessage($"Список параметров пуст");
                return;
            }

            ToolStripMenuItem clickedMenuItem = sender as ToolStripMenuItem;
            if (clickedMenuItem == null)
                return;

            ParameterItemMenuStrip menu = clickedMenuItem.Tag as ParameterItemMenuStrip;
            if (menu == null)
                return;

            ParameterControl parameterControl = menu.Parameter;
            if (parameterControl == null)
                return;

            if (parameters.Contains(parameterControl))
            {
                DialogResult result = ErrorsShow.ShowQuestMessage(
                        $"Вы точно хотите удалить элемент: {parameterControl.ParamName}?"
                    );

                if (result == DialogResult.Yes)
                {
                    parameters.Remove(parameterControl);
                    AllPanelCreate();
                }

                if (result == DialogResult.Cancel)
                {
                    return;
                }
            }
        }

        #endregion

        #region Раскрывающийся список "Файл"

        private void openFileToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Cars_Parameters lists = LoadDataFromFile();
            if (lists != null)
            {
                cars = lists.cars.Select(car => new CarControl(car)).ToList();
                parameters = lists.parameters.Select(parameter => new ParameterControl(parameter)).ToList();

                AllPanelCreate();
            }
        }

        private void saveToolStripMenuItem_Click(object sender, EventArgs e)
        {
            SaveDataToFile("JSON files (*.json)|*.json|All files (*.*)|*.*");
            AllPanelCreate();
        }

        private void saveAsКакToolStripMenuItem_Click(object sender, EventArgs e)
        {
            SaveDataToFile("All files (*.*)|*.*");
        }

        public void SaveDataToFile(string filter)
        {
            Cars_Parameters data = new Cars_Parameters(Car.ConvertToCarList(cars), Parameter.ConvertToParameterList(parameters));
            SaveFileDialog saveFileDialog = new SaveFileDialog();
            saveFileDialog.Filter = filter;

            if (window.prevFile != null)
            {
                string jsonData = JsonConvert.SerializeObject(data, Formatting.Indented);
                File.WriteAllText(window.prevFile, jsonData);
                return;
            }

            if (saveFileDialog.ShowDialog() == DialogResult.OK)
            {
                // Сериализуем данные в JSON
                string jsonData = JsonConvert.SerializeObject(data, Formatting.Indented);

                // Записываем данные в файл
                File.WriteAllText(saveFileDialog.FileName, jsonData);
            }
        }

        public Cars_Parameters LoadDataFromFile()
        {
            OpenFileDialog openFileDialog = new OpenFileDialog();
            openFileDialog.Filter = "JSON files (*.json)|*.json|All files (*.*)|*.*";

            if (openFileDialog.ShowDialog() == DialogResult.OK)
            {
                // Читаем данные из файла
                string jsonData = File.ReadAllText(openFileDialog.FileName);

                // Десериализуем данные в объект ListData
                Cars_Parameters data = JsonConvert.DeserializeObject<Cars_Parameters>(jsonData);
                var split = openFileDialog.FileName.Split('\\');
                this.Text = split[split.Length - 1];
                window.prevFile = openFileDialog.FileName;
                return data;
            }
            return null; // Если пользователь отменил выбор файла
        }

        public Cars_Parameters LoadDataFromFile(string filePath)
        {
            if (!File.Exists(filePath))
            {
                ErrorsShow.ShowErrorMessage($"Ошибка открытия файла: {filePath}");
                return null;
            }

            // Читаем данные из файла
            string jsonData = File.ReadAllText(filePath);

            // Десериализуем данные в объект ListData
            Cars_Parameters data = JsonConvert.DeserializeObject<Cars_Parameters>(jsonData);
            var split = filePath.Split('\\');
            this.Text = split[split.Length - 1];
            return data;
        }

        private void newToolStripMenuItem_Click(object sender, EventArgs e)
        {
            DialogResult result = ErrorsShow.ShowQuestMessage("Хотите сохранить текущего персонажа?");

            if (result == DialogResult.Yes)
            {
                SaveDataToFile("JSON files (*.json)|*.json|All files (*.*)|*.*");
            }

            if (result == DialogResult.Cancel)
            {
                return;
            }

            cars = new List<CarControl>();
            parameters = new List<ParameterControl> { new ParameterControl("Имя"), new ParameterControl("Деньги") };

            this.Text = "null";

            window.prevFile = null;

            AllPanelCreate();
        }

        private void exitToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
        {
            DialogResult result = ErrorsShow.ShowQuestMessage("Хотите сохранить текущего персонажа?");

            if (result == DialogResult.Yes)
            {
                SaveDataToFile("JSON files (*.json)|*.json|All files (*.*)|*.*");
            }

            if (result == DialogResult.Cancel)
            {
                e.Cancel = true;
                return;
            }

            SaveWindowSize();
        }

        #endregion

        #region Раскрывающийся список "Стили"

        private void colorTextToolStripMenuItem_Click(object sender, EventArgs e)
        {
            using (ColorDialog colorDialog = new ColorDialog())
            {
                if (colorDialog.ShowDialog() == DialogResult.OK)
                {
                    fontSettings.FontSettingsEdit(colorDialog.Color);

                    FontSettings.ChangeFontInControls(this, fontSettings);

                    FontSettings.SaveFontSettings(fontSettings);
                }
            }
        }

        private void styleTextToolStripMenuItem_Click(object sender, EventArgs e)
        {
            using (FontDialog fontDialog = new FontDialog())
            {
                if (fontDialog.ShowDialog() == DialogResult.OK)
                {
                    fontSettings.FontSettingsEdit(fontDialog.Font);

                    FontSettings.ChangeFontInControls(this, fontSettings);

                    FontSettings.SaveFontSettings(fontSettings);
                }
            }
        }

        private void defaultToolStripMenuItem_Click(object sender, EventArgs e)
        {
            fontSettings.FontSettingsEdit(defaultFont);
            fontSettings.FontSettingsEdit(defaultColor);

            FontSettings.ChangeFontInControls(this, fontSettings);

            FontSettings.SaveFontSettings(fontSettings);
        }

        #endregion

        private void SaveWindowSize()
        {
            if (isUser)
            {
                window = new WindowParameters(new Size(this.Width, this.Height), new Size(this.splitterLeft.SplitPosition, this.splitterRigth.SplitPosition), IsFormFullscreen(), window.prevFile);
                WindowParameters.SaveWindowParameters(window);
            }
        }

        private void SaveColorPanel()
        {
            PanelColorSettings.SavePanelSettings(panelColorSettings);
        }

        private void ChangePanelColor()
        {
            this.buttonsPanel.BackColor = panelColorSettings.leftPanel;

            PanelColorSettings.ChangeFontInControls(this.buttonsPanel, panelColorSettings.leftPanel);

            this.parametersPanel.BackColor = panelColorSettings.rightPanel;

            PanelColorSettings.ChangeFontInControls(this.parametersPanel, panelColorSettings.rightPanel);

            this.carsPanel.BackColor = panelColorSettings.centerPanel;
            this.carsItems.BackColor = panelColorSettings.centerPanel;
            this.upPanel.BackColor = panelColorSettings.upDownPanel;

            PanelColorSettings.ChangeFontInControls(this.upPanel, panelColorSettings.upDownPanel);

            this.downPanel.BackColor = panelColorSettings.upDownPanel;

            PanelColorSettings.ChangeFontInControls(this.downPanel, panelColorSettings.upDownPanel);

            this.menuStrip.BackColor = panelColorSettings.upDownPanel;

            this.splitterLeft.BackColor = panelColorSettings.upDownPanel;
            this.splitterRigth.BackColor = panelColorSettings.upDownPanel;
        }

        private void buttonPanelToolStripMenuItem_Click(object sender, EventArgs e)
        {
            using (ColorDialog colorDialog = new ColorDialog())
            {
                if (colorDialog.ShowDialog() == DialogResult.OK)
                {
                    panelColorSettings.leftPanel = colorDialog.Color;

                    ChangePanelColor();

                    SaveColorPanel();
                }
            }
        }

        private void parameterPanelToolStripMenuItem_Click(object sender, EventArgs e)
        {
            using (ColorDialog colorDialog = new ColorDialog())
            {
                if (colorDialog.ShowDialog() == DialogResult.OK)
                {
                    panelColorSettings.rightPanel = colorDialog.Color;

                    ChangePanelColor();

                    SaveColorPanel();
                }
            }
        }

        private void carPanelToolStripMenuItem_Click(object sender, EventArgs e)
        {
            using (ColorDialog colorDialog = new ColorDialog())
            {
                if (colorDialog.ShowDialog() == DialogResult.OK)
                {
                    panelColorSettings.centerPanel = colorDialog.Color;

                    ChangePanelColor();

                    SaveColorPanel();
                }
            }
        }

        private void top_downPanelToolStripMenuItem_Click(object sender, EventArgs e)
        {
            using (ColorDialog colorDialog = new ColorDialog())
            {
                if (colorDialog.ShowDialog() == DialogResult.OK)
                {
                    panelColorSettings.upDownPanel = colorDialog.Color;

                    ChangePanelColor();

                    SaveColorPanel();
                }
            }
        }
    }
}