namespace PainoBar_Helper
{
    public partial class SettingsForm : Form
    {
        private readonly ProfileManager _profileManager;
        private ProfileSettings _currentSettings;
        private string? _currentProfileName;

        public SettingsForm(ProfileManager profileManager, ProfileSettings currentSettings)
        {
            InitializeComponent();

            _profileManager = profileManager;
            _currentSettings = new ProfileSettings
            {
                PianobarPath = currentSettings.PianobarPath,
                EnableTextFile = currentSettings.EnableTextFile,
                TextFilePath = currentSettings.TextFilePath,
                EnableWebServer = currentSettings.EnableWebServer,
                WebServerPort = currentSettings.WebServerPort,
                EnableToastNotifications = currentSettings.EnableToastNotifications,
                EnableSMTC = currentSettings.EnableSMTC,
                OverrideCredentials = currentSettings.OverrideCredentials,
                ConfigFilePath = currentSettings.ConfigFilePath,
                PianobarUser = currentSettings.PianobarUser,
                PianobarPassword = currentSettings.PianobarPassword,
                KillProcessOnDisconnect = currentSettings.KillProcessOnDisconnect
            };

            _currentProfileName = profileManager.ActiveProfileName;
            InitializeControls();
        }

        #region Initialization

        private void InitializeControls()
        {
            LoadProfileList();
            LoadSettingsToControls();
        }

        private void LoadProfileList()
        {
            // Uses profiles_combo_box_selector from the Designer
            if (profiles_combo_box_selector == null)
                return;

            string? currentText = profiles_combo_box_selector.Text;

            profiles_combo_box_selector.Items.Clear();
            foreach (var profile in _profileManager.Profiles)
            {
                profiles_combo_box_selector.Items.Add(profile.Name);
            }

            if (!string.IsNullOrEmpty(_currentProfileName))
                profiles_combo_box_selector.SelectedItem = _currentProfileName;
            else if (!string.IsNullOrEmpty(currentText))
                profiles_combo_box_selector.Text = currentText;
        }

        private void LoadSettingsToControls()
        {
            // Update profile name text box with current profile name
            if (profile_name_text_box != null && !string.IsNullOrEmpty(_currentProfileName))
                profile_name_text_box.Text = _currentProfileName;

            // Pianobar executable path
            if (pianobar_path_text_box != null)
                pianobar_path_text_box.Text = _currentSettings.PianobarPath;

            // Output Settings (Tab 1)
            if (obs_text_output_check_box != null)
                obs_text_output_check_box.Checked = _currentSettings.EnableTextFile;

            if (output_folder_text_box != null)
                output_folder_text_box.Text = _currentSettings.TextFilePath;

            if (local_web_server_check_box != null)
                local_web_server_check_box.Checked = _currentSettings.EnableWebServer;

            if (textBox1 != null)
                textBox1.Text = _currentSettings.WebServerPort.ToString();

            if (chk_toast_notifications != null)
                chk_toast_notifications.Checked = _currentSettings.EnableToastNotifications;

            if (chkSMTC != null)
                chkSMTC.Checked = _currentSettings.EnableSMTC;

            // Pianobar Config (Tab 2)
            if (chkOverrideCredentials != null)
            {
                chkOverrideCredentials.Checked = _currentSettings.OverrideCredentials;
                ToggleCredentialFields(chkOverrideCredentials.Checked);
            }

            if (txtConfigFilePath != null)
                txtConfigFilePath.Text = _currentSettings.ConfigFilePath;

            if (txtPianobarUser != null)
                txtPianobarUser.Text = _currentSettings.PianobarUser;

            if (txtPianobarPass != null)
                txtPianobarPass.Text = _currentSettings.PianobarPassword;

            if (chkkillpro != null)
                chkkillpro.Checked = _currentSettings.KillProcessOnDisconnect;
        }

        private void SaveSettingsFromControls()
        {
            // Pianobar Path
            if (pianobar_path_text_box != null)
                _currentSettings.PianobarPath = pianobar_path_text_box.Text;

            // Output Settings
            if (obs_text_output_check_box != null)
                _currentSettings.EnableTextFile = obs_text_output_check_box.Checked;

            if (output_folder_text_box != null)
                _currentSettings.TextFilePath = output_folder_text_box.Text;

            if (local_web_server_check_box != null)
                _currentSettings.EnableWebServer = local_web_server_check_box.Checked;

            if (textBox1 != null && int.TryParse(textBox1.Text, out int port))
                _currentSettings.WebServerPort = port;

            if (chk_toast_notifications != null)
                _currentSettings.EnableToastNotifications = chk_toast_notifications.Checked;

            if (chkSMTC != null)
                _currentSettings.EnableSMTC = chkSMTC.Checked;

            // Pianobar Config
            if (chkOverrideCredentials != null)
                _currentSettings.OverrideCredentials = chkOverrideCredentials.Checked;

            if (txtConfigFilePath != null)
                _currentSettings.ConfigFilePath = txtConfigFilePath.Text;

            if (txtPianobarUser != null)
                _currentSettings.PianobarUser = txtPianobarUser.Text;

            if (txtPianobarPass != null)
                _currentSettings.PianobarPassword = txtPianobarPass.Text;

            if (chkkillpro != null)
                _currentSettings.KillProcessOnDisconnect = chkkillpro.Checked;
        }

        #endregion

        #region Profile Management

        // Wire this to profiles_combo_box_selector.SelectedIndexChanged in the Designer
        public void profiles_combo_box_selector_SelectedIndexChanged(object? sender, EventArgs e)
        {
            if (sender is not ComboBox cmb)
                return;

            // Update profile name text box when selection changes
            if (profile_name_text_box != null)
                profile_name_text_box.Text = cmb.Text;

            // If selecting an existing profile, load its settings
            if (cmb.SelectedItem is string profileName)
            {
                var profile = _profileManager.Profiles.FirstOrDefault(p => p.Name == profileName);
                if (profile != null)
                {
                    _currentProfileName = profileName;
                    _currentSettings = new ProfileSettings
                    {
                        PianobarPath = profile.Settings.PianobarPath,
                        EnableTextFile = profile.Settings.EnableTextFile,
                        TextFilePath = profile.Settings.TextFilePath,
                        EnableWebServer = profile.Settings.EnableWebServer,
                        WebServerPort = profile.Settings.WebServerPort,
                        EnableToastNotifications = profile.Settings.EnableToastNotifications,
                        EnableSMTC = profile.Settings.EnableSMTC,
                        OverrideCredentials = profile.Settings.OverrideCredentials,
                        ConfigFilePath = profile.Settings.ConfigFilePath,
                        PianobarUser = profile.Settings.PianobarUser,
                        PianobarPassword = profile.Settings.PianobarPassword,
                        KillProcessOnDisconnect = profile.Settings.KillProcessOnDisconnect
                    };
                    LoadSettingsToControls();
                }
            }
        }

        // Wire this to profiles_combo_box_selector.TextChanged in the Designer
        public void profiles_combo_box_selector_TextChanged(object? sender, EventArgs e)
        {
            if (sender is not ComboBox cmb)
                return;

            // Keep profile name text box in sync with combo box text
            if (profile_name_text_box != null)
                profile_name_text_box.Text = cmb.Text;
        }

        // Wire this to new_profile_button.Click in the Designer
        public void new_profile_button_Click(object? sender, EventArgs e)
        {
            // Get the profile name from the combo box text
            string? profileName = profiles_combo_box_selector?.Text?.Trim();

            if (string.IsNullOrWhiteSpace(profileName))
            {
                MessageBox.Show("Please enter a profile name in the dropdown box.", "No Profile Name",
                    MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }

            // Check if profile already exists
            if (_profileManager.Profiles.Any(p => p.Name.Equals(profileName, StringComparison.OrdinalIgnoreCase)))
            {
                MessageBox.Show($"Profile '{profileName}' already exists. Please choose a different name.", "Profile Exists",
                    MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }

            try
            {
                // Create new profile with current settings
                SaveSettingsFromControls();
                _profileManager.CreateProfile(profileName, _currentSettings);
                _currentProfileName = profileName;

                LoadProfileList();
                if (profiles_combo_box_selector != null)
                    profiles_combo_box_selector.SelectedItem = profileName;

                if (profile_name_text_box != null)
                    profile_name_text_box.Text = profileName;

                MessageBox.Show($"Profile '{profileName}' created successfully.", "Profile Created",
                    MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            catch (Exception ex)
            {
                MessageBox.Show($"Failed to create profile:\n{ex.Message}", "Error",
                    MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        // Wire this to delete_profile_button.Click in the Designer
        public void delete_profile_button_Click(object? sender, EventArgs e)
        {
            // Get the profile name from either the combo box or the profile name text box
            string? profileName = profiles_combo_box_selector?.Text?.Trim();

            if (string.IsNullOrWhiteSpace(profileName))
            {
                MessageBox.Show("No profile selected.", "No Selection", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }

            // Check if profile exists
            if (!_profileManager.Profiles.Any(p => p.Name.Equals(profileName, StringComparison.OrdinalIgnoreCase)))
            {
                MessageBox.Show($"Profile '{profileName}' does not exist.", "Profile Not Found", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }

            var result = MessageBox.Show($"Are you sure you want to delete profile '{profileName}'?",
                "Confirm Deletion", MessageBoxButtons.YesNo, MessageBoxIcon.Question);

            if (result == DialogResult.Yes)
            {
                try
                {
                    _profileManager.DeleteProfile(profileName);

                    // Reset to active profile or clear
                    _currentProfileName = _profileManager.ActiveProfileName;
                    LoadProfileList();

                    var activeProfile = _profileManager.GetActiveProfile();
                    if (activeProfile != null)
                    {
                        _currentSettings = activeProfile.Settings;
                        LoadSettingsToControls();
                    }
                    else
                    {
                        // No profiles left, clear the form
                        _currentSettings = new ProfileSettings();
                        LoadSettingsToControls();
                        if (profiles_combo_box_selector != null)
                            profiles_combo_box_selector.Text = string.Empty;
                        if (profile_name_text_box != null)
                            profile_name_text_box.Text = string.Empty;
                    }

                    MessageBox.Show($"Profile '{profileName}' deleted successfully.", "Profile Deleted",
                        MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
                catch (Exception ex)
                {
                    MessageBox.Show($"Failed to delete profile:\n{ex.Message}", "Error",
                        MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }

        #endregion

        #region File Browsing

        // Wire this to painobar_exe_browse_button.Click in the Designer
        public void painobar_exe_browse_button_Click(object? sender, EventArgs e)
        {
            using var dialog = new OpenFileDialog
            {
                Filter = "Executable Files (*.exe)|*.exe|All Files (*.*)|*.*",
                Title = "Select Pianobar Executable",
                FileName = "pianobar.exe",
                CheckFileExists = true
            };

            if (dialog.ShowDialog() == DialogResult.OK)
            {
                if (pianobar_path_text_box != null)
                    pianobar_path_text_box.Text = dialog.FileName;
            }
        }

        // Wire this to output_folder_browse_button.Click in the Designer
        public void output_folder_browse_button_Click(object? sender, EventArgs e)
        {
            using var dialog = new SaveFileDialog
            {
                Filter = "Text Files (*.txt)|*.txt|All Files (*.*)|*.*",
                Title = "Select Text File Output Path",
                FileName = "now_playing.txt"
            };

            if (dialog.ShowDialog() == DialogResult.OK)
            {
                if (output_folder_text_box != null)
                    output_folder_text_box.Text = dialog.FileName;
            }
        }

        // Wire this to btnBrowseConfigFile.Click in the Designer
        public void btnBrowseConfigFile_Click(object? sender, EventArgs e)
        {
            using var dialog = new SaveFileDialog
            {
                Filter = "Config Files (*.config)|*.config|All Files (*.*)|*.*",
                Title = "Select Pianobar Config File Path",
                FileName = "pianobar.config"
            };

            if (dialog.ShowDialog() == DialogResult.OK)
            {
                if (txtConfigFilePath != null)
                    txtConfigFilePath.Text = dialog.FileName;
            }
        }

        #endregion

        #region Credential Override

        // Wire this to chkOverrideCredentials.CheckedChanged in the Designer
        public void chkOverrideCredentials_CheckedChanged(object? sender, EventArgs e)
        {
            if (sender is CheckBox chk)
                ToggleCredentialFields(chk.Checked);
        }

        private void ToggleCredentialFields(bool enabled)
        {
            if (txtConfigFilePath != null)
                txtConfigFilePath.Enabled = enabled;

            if (btnBrowseConfigFile != null)
                btnBrowseConfigFile.Enabled = enabled;

            if (txtPianobarUser != null)
                txtPianobarUser.Enabled = enabled;

            if (txtPianobarPass != null)
                txtPianobarPass.Enabled = enabled;

            if (chkkillpro != null)
                chkkillpro.Enabled = enabled;
        }

        #endregion

        #region Save/Cancel

        // Wire this to btnSave.Click in the Designer (or OK button)
        public void btnSave_Click(object? sender, EventArgs e)
        {
            try
            {
                SaveSettingsFromControls();

                // Get the profile name from the text box (or combo box as fallback)
                string? profileName = profile_name_text_box?.Text?.Trim();
                if (string.IsNullOrEmpty(profileName))
                    profileName = profiles_combo_box_selector?.Text?.Trim();

                if (string.IsNullOrWhiteSpace(profileName))
                {
                    MessageBox.Show("Please enter a profile name before saving.", "No Profile Name",
                        MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    return;
                }

                // Update existing profile or create new one
                if (_profileManager.Profiles.Any(p => p.Name.Equals(profileName, StringComparison.OrdinalIgnoreCase)))
                {
                    _profileManager.UpdateProfile(profileName, _currentSettings);
                }
                else
                {
                    _profileManager.CreateProfile(profileName, _currentSettings);
                }

                // Set this profile as the active profile
                _profileManager.SetActiveProfile(profileName);
                _currentProfileName = profileName;

                DialogResult = DialogResult.OK;
                Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show($"Failed to save settings:\n{ex.Message}", "Error",
                    MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        // Wire this to btnCancel.Click in the Designer (or Cancel button)
        public void btnCancel_Click(object? sender, EventArgs e)
        {
            DialogResult = DialogResult.Cancel;
            Close();
        }

        #endregion

        #region Helper Methods

        private string? PromptForProfileName(string title, string prompt)
        {
            using var form = new Form
            {
                Text = title,
                Width = 400,
                Height = 150,
                StartPosition = FormStartPosition.CenterParent,
                FormBorderStyle = FormBorderStyle.FixedDialog,
                MaximizeBox = false,
                MinimizeBox = false
            };

            var label = new Label { Text = prompt, Left = 10, Top = 20, Width = 360 };
            var textBox = new TextBox { Left = 10, Top = 50, Width = 360 };
            var btnOk = new Button { Text = "OK", Left = 210, Top = 80, DialogResult = DialogResult.OK };
            var btnCancel = new Button { Text = "Cancel", Left = 290, Top = 80, DialogResult = DialogResult.Cancel };

            form.Controls.AddRange(new Control[] { label, textBox, btnOk, btnCancel });
            form.AcceptButton = btnOk;
            form.CancelButton = btnCancel;

            return form.ShowDialog() == DialogResult.OK ? textBox.Text : null;
        }

        #endregion
    }
}