using System;
using System.IO;
using System.Drawing;
using System.Windows.Forms;

namespace Common
{
    public static class PromptText
    {
        public static bool ShowDialog(string text, string caption, string initialValue, out string result)
        {
            Form prompt = new Form()
            {
                Width = 500,
                Height = 150,
                FormBorderStyle = FormBorderStyle.FixedDialog,
                Text = caption,
                StartPosition = FormStartPosition.CenterScreen,
            };
            Label textLabel = new Label() { Left = 50, Top = 20, AutoSize = true, Text = text };
            TextBox textBox = new TextBox() { Left = 50, Top = 44, Width = 400, Text = initialValue };
            textBox.SelectAll();
            Button confirmation = new Button() { Text = @"Ok", Left = 350, Width = 100, Top = 70, DialogResult = DialogResult.OK };
            confirmation.Click += (sender, e) => { prompt.Close(); };
            prompt.Controls.Add(textBox);
            prompt.Controls.Add(confirmation);
            prompt.Controls.Add(textLabel);
            prompt.AcceptButton = confirmation;
            prompt.Load += delegate
            {
                Theme.UseTheme(prompt);
                DpiScaling.Apply(prompt);
                new FormDimensions().Load(prompt, prompt.Owner);
            };
            prompt.KeyPress += (sender, e) =>
            {
                if (e.KeyChar == 27) prompt.Close();
            };

            DialogResult dialogResult = prompt.ShowDialog();
            result = (dialogResult == DialogResult.OK) ? textBox.Text : "";
            return dialogResult == DialogResult.OK;
        }
    }

    public static class PromptNumber
    {
        public static bool ShowDialog(string text, string caption, int initialValue, out int result)
        {
            Form prompt = new Form()
            {
                Width = 500,
                Height = 150,
                FormBorderStyle = FormBorderStyle.FixedDialog,
                Text = caption,
                StartPosition = FormStartPosition.CenterScreen
            };
            Label textLabel = new Label() { Left = 50, Top = 20, AutoSize = true, Text = text };
            NumericUpDown numericUpDown = new NumericUpDown()
            {
                Left = 50,
                Top = 44,
                Width = 80,
                Maximum = 100000,
                Minimum = 0,
                Value = Math.Min(Math.Max(initialValue, 0), 100000)
            };
            numericUpDown.Select(0, numericUpDown.Text.Length);
            Button confirmation = new Button() { Text = @"Ok", Left = 350, Width = 100, Top = 70, DialogResult = DialogResult.OK };
            confirmation.Click += (sender, e) => { prompt.Close(); };
            prompt.Controls.Add(numericUpDown);
            prompt.Controls.Add(confirmation);
            prompt.Controls.Add(textLabel);
            prompt.AcceptButton = confirmation;
            prompt.Load += delegate
            {
                Theme.UseTheme(prompt);
                DpiScaling.Apply(prompt);
            };
            numericUpDown.KeyPress += (sender, e) =>
            {
                if (e.KeyChar == 27) prompt.Close();
            };

            DialogResult dialogResult = prompt.ShowDialog();
            result = (dialogResult == DialogResult.OK) ? (int)numericUpDown.Value : -1;
            return dialogResult == DialogResult.OK;
        }
    }

    public static class PromptComboBox
    {
        public static bool ShowDialog(string text, string caption, object[] states, object initialValue, out object result)
        {
            Form prompt = new Form()
            {
                Width = 500,
                Height = 150,
                FormBorderStyle = FormBorderStyle.FixedDialog,
                Text = caption,
                StartPosition = FormStartPosition.CenterScreen
            };
            Label textLabel = new Label() { Left = 50, Top = 20, AutoSize = true, Text = text };
            ComboBox comboBox = new ComboBox() { Left = 50, Top = 44, Width = 300, DropDownStyle = ComboBoxStyle.DropDownList };
            comboBox.Items.AddRange(states);
            int itemIndex = comboBox.Items.IndexOf(initialValue);
            if (itemIndex >= 0)
            {
                comboBox.SelectedIndex = itemIndex;
            }
            else if (comboBox.Items.Count > 0)
            {
                comboBox.SelectedIndex = 0;
            }
            Button confirmation = new Button() { Text = @"Ok", Left = 350, Width = 100, Top = 70, DialogResult = DialogResult.OK };
            confirmation.Click += (sender, e) => { prompt.Close(); };
            prompt.Controls.Add(comboBox);
            prompt.Controls.Add(confirmation);
            prompt.Controls.Add(textLabel);
            prompt.AcceptButton = confirmation;
            prompt.Load += delegate
            {
                Theme.UseTheme(prompt);
                DpiScaling.Apply(prompt);
            };
            comboBox.KeyPress += (sender, e) =>
            {
                if (e.KeyChar == 27) prompt.Close();
            };

            DialogResult dialogResult = prompt.ShowDialog();
            result = (dialogResult == DialogResult.OK) ? comboBox.SelectedItem : null;
            return dialogResult == DialogResult.OK;
        }
    }

    public static class PromptListBox
    {
        public static bool ShowDialog(string text, string caption, object[] states, object initialValue, out object result)
        {
            int dataSize = 200;
            Form prompt = new Form()
            {
                Width = 500,
                Height = 150 + dataSize,
                FormBorderStyle = FormBorderStyle.Sizable,
                Text = caption,
                StartPosition = FormStartPosition.CenterScreen
            };
            Label textLabel = new Label() { Left = 50, Top = 20, AutoSize = true, Text = text };
            Button confirmation = new Button()
            {
                Text = @"Ok",
                Left = 350,
                Width = 100,
                Top = 70 + dataSize,
                DialogResult = DialogResult.OK,
                Anchor = AnchorStyles.Bottom | AnchorStyles.Right
            };
            confirmation.Click += (sender, e) => { prompt.Close(); };
            ListBox listBox = new ListBox()
            {
                Left = 50,
                Top = 44,
                Width = 400,
                Height = dataSize,
                Anchor = AnchorStyles.Bottom | AnchorStyles.Right | AnchorStyles.Top | AnchorStyles.Left
            };
            listBox.SelectedIndexChanged += (sender, e) =>
            {
                confirmation.Enabled = listBox.SelectedItems.Count > 0;
            };
            listBox.Items.AddRange(states);
            confirmation.Enabled = listBox.SelectedItems.Count > 0;
            listBox.DoubleClick += (sender, e) => { confirmation.PerformClick(); };
            int itemIndex = -1;
            if (initialValue != null) itemIndex = listBox.Items.IndexOf(initialValue);
            if (itemIndex >= 0)
            {
                listBox.SelectedIndex = itemIndex;
            }
            else if (listBox.Items.Count > 0)
            {
                listBox.SelectedIndex = 0;
            }

            prompt.Controls.Add(listBox);
            prompt.Controls.Add(confirmation);
            prompt.Controls.Add(textLabel);
            prompt.AcceptButton = confirmation;
            prompt.Load += delegate
            {
                Theme.UseTheme(prompt);
                DpiScaling.Apply(prompt);
            };
            listBox.KeyPress += (sender, e) =>
            {
                if (e.KeyChar == 27) prompt.Close();
            };

            DialogResult dialogResult = prompt.ShowDialog();
            result = (dialogResult == DialogResult.OK) ? listBox.SelectedItem : null;
            return dialogResult == DialogResult.OK;
        }
    }

    public static class PromptRichTextBox
    {
        public static bool ShowDialog(string text, string caption, string initialValue, out string result, bool monospaceFont = false)
        {
            int dataSize = 200;
            Form prompt = new Form()
            {
                Width = 500,
                Height = 150 + dataSize,
                FormBorderStyle = FormBorderStyle.FixedDialog,
                Text = caption,
                StartPosition = FormStartPosition.CenterScreen,
            };
            Label textLabel = new Label() { Left = 50, Top = 20, AutoSize = true, Text = text };
            RichTextBox textBox = new RichTextBox() { Left = 50, Top = 44, Width = 400, Height = dataSize, Text = initialValue };
            textBox.TextChanged += delegate
            {
                Theme.UseTheme(prompt);
            };
            textBox.SelectAll();
            Button confirmation = new Button() { Text = @"Ok", Left = 350, Width = 100, Top = dataSize + 70, DialogResult = DialogResult.OK };
            confirmation.Click += (sender, e) => { prompt.Close(); };
            prompt.Controls.Add(textBox);
            prompt.Controls.Add(confirmation);
            prompt.Controls.Add(textLabel);
            prompt.AcceptButton = confirmation;
            prompt.Load += delegate
            {
                Theme.UseTheme(prompt);
                DpiScaling.Apply(prompt);
                new FormDimensions().Load(prompt, prompt.Owner);
            };
            if (monospaceFont)
            {
                textBox.SelectAll();
                textBox.SelectionFont = new Font(FontFamily.GenericMonospace, prompt.Font.Size);
                textBox.SelectionLength = 0;
            }

            prompt.KeyPress += (sender, e) =>
            {
                if (e.KeyChar == 27) prompt.Close();
            };

            DialogResult dialogResult = prompt.ShowDialog();
            result = (dialogResult == DialogResult.OK) ? textBox.Text : "";
            return dialogResult == DialogResult.OK;
        }
    }

    public static class PromptOpenFile
    {
        public static bool ShowDialog(string fileName, string fileType, string fileExtension, out string result)
        {
            result = fileName;
            OpenFileDialog openFileDialog = new OpenFileDialog() { Filter = fileType + @"|*." + 
                fileExtension + @"|Any file|*.*", DefaultExt = fileExtension };
            if (!string.IsNullOrEmpty(fileName))
            {
                openFileDialog.FileName = Path.GetFileName(fileName);
                openFileDialog.InitialDirectory = Path.GetDirectoryName(fileName);
            }

            DialogResult dialogResult = openFileDialog.ShowDialog();
            if (dialogResult == DialogResult.OK)
            {
                result = openFileDialog.FileName;
            }
            return dialogResult == DialogResult.OK;
        }
    }

    public static class PromptSaveFile
    {
        public static bool ShowDialog(string fileName, string fileType, string fileExtension, out string result)
        {
            result = fileName;
            SaveFileDialog saveFileDialog = new SaveFileDialog
            {
                Filter = fileType + @"|*." +
                fileExtension + @"|Any file|*.*",
                DefaultExt = fileExtension
            };
            if (!string.IsNullOrEmpty(fileName))
            {
                saveFileDialog.FileName = Path.GetFileName(fileName);
                saveFileDialog.InitialDirectory = Path.GetDirectoryName(fileName);
            }

            DialogResult dialogResult = saveFileDialog.ShowDialog();
            if (dialogResult == DialogResult.OK)
            {
                result = saveFileDialog.FileName;
            }
            return dialogResult == DialogResult.OK;
        }
    }

    public static class PromptOpenDir
    {
        public static bool ShowDialog(string dirName, out string result)
        {
            result = dirName;
            FolderBrowserDialog folderBrowserDialog = new FolderBrowserDialog() { ShowNewFolderButton = true };
            if (!string.IsNullOrEmpty(dirName))
                folderBrowserDialog.SelectedPath = dirName;
            DialogResult dialogResult = folderBrowserDialog.ShowDialog();
            if (dialogResult == DialogResult.OK)
            {
                result = folderBrowserDialog.SelectedPath;
            }
            return dialogResult == DialogResult.OK;
        }
    }
}