# variable_data_row.py
#
# Copyright 2025 Pavel Baksy
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.
#
# SPDX-License-Identifier: GPL-3.0-or-later

from gi.repository import Gtk, GObject


@Gtk.Template(resource_path='/cz/vesp/roster/widgets/variable-data-row.ui')
class VariableDataRow(Gtk.Box):
    """Widget for a data row with variable name and values for each environment."""

    __gtype_name__ = 'VariableDataRow'

    variable_cell = Gtk.Template.Child()
    name_entry = Gtk.Template.Child()
    delete_button = Gtk.Template.Child()
    values_box = Gtk.Template.Child()

    __gsignals__ = {
        'variable-changed': (GObject.SIGNAL_RUN_FIRST, None, ()),
        'variable-delete-requested': (GObject.SIGNAL_RUN_FIRST, None, ()),
        'value-changed': (GObject.SIGNAL_RUN_FIRST, None, (str, str)),  # env_id, value
    }

    def __init__(self, variable_name, environments, size_group):
        super().__init__()
        self.variable_name = variable_name
        self.environments = environments
        self.size_group = size_group
        self.value_entries = {}

        # Set variable name
        self.name_entry.set_text(variable_name)

        # Add variable cell to size group for alignment
        if size_group:
            size_group.add_widget(self.variable_cell)

        self._populate_values()

    def _populate_values(self):
        """Populate value entries for each environment."""
        # Clear existing
        while child := self.values_box.get_first_child():
            self.values_box.remove(child)

        self.value_entries = {}

        # Create entry for each environment
        for env in self.environments:
            # Create a box to hold the entry (for size group alignment)
            entry_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
            entry_box.set_size_request(200, -1)

            entry = Gtk.Entry()
            entry.set_placeholder_text(env.name)
            entry.set_text(env.variables.get(self.variable_name, ""))
            entry.set_hexpand(True)
            entry.connect('changed', self._on_value_changed, env.id)

            entry_box.append(entry)

            # Add entry box to size group for alignment
            if self.size_group:
                self.size_group.add_widget(entry_box)

            self.values_box.append(entry_box)
            self.value_entries[env.id] = entry

    def _on_value_changed(self, entry, env_id):
        """Handle value entry changes."""
        self.emit('value-changed', env_id, entry.get_text())

    @Gtk.Template.Callback()
    def on_name_changed(self, entry):
        """Handle variable name changes."""
        self.emit('variable-changed')

    @Gtk.Template.Callback()
    def on_delete_clicked(self, button):
        """Handle delete button click."""
        self.emit('variable-delete-requested')

    def get_variable_name(self):
        """Return current variable name."""
        return self.name_entry.get_text().strip()

    def refresh(self, environments):
        """Refresh with updated environments list."""
        self.environments = environments
        self._populate_values()