#!/bin/bash
#
#  Thunar Copy Filename Auto-Installer
#  Copyright (C) 2026 laki
#
#  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/>.
#
# This script adds the "Copy Filename" custom action to ~/.config/Thunar/uca.xml

set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
SOURCE_PYTHON_SCRIPT="$SCRIPT_DIR/copy_filename.py"
UCA_FILE="$HOME/.config/Thunar/uca.xml"
TARGET_PYTHON_SCRIPT="$HOME/.config/Thunar/copy_filename.py"

echo "--- Thunar Copy Filename Installer ---"

# 1. Check if the source Python script exists
if [ ! -f "$SOURCE_PYTHON_SCRIPT" ]; then
    echo "Error: $SOURCE_PYTHON_SCRIPT not found!"
    exit 1
fi

echo "Copying script to: $TARGET_PYTHON_SCRIPT"
mkdir -p "$(dirname "$TARGET_PYTHON_SCRIPT")"
cp "$SOURCE_PYTHON_SCRIPT" "$TARGET_PYTHON_SCRIPT"
chmod +x "$TARGET_PYTHON_SCRIPT"

# 2. Check for dependencies
if ! python3 -c "import gi; gi.require_version('Gtk', '3.0')" 2>/dev/null; then
    echo "Warning: Python3 GTK3 bindings not found."
    echo "Please install: sudo apt install python3-gi gir1.2-gtk-3.0"
fi

# 3. Handle uca.xml
if [ ! -f "$UCA_FILE" ]; then
    echo "Creating new Thunar configuration at $UCA_FILE"
    mkdir -p "$(dirname "$UCA_FILE")"
    cat <<EOF > "$UCA_FILE"
<?xml version="1.0" encoding="UTF-8"?>
<actions>
</actions>
EOF
fi

# 4. Check if already installed
if grep -q "copy-filename-extension" "$UCA_FILE"; then
    echo "Action is already present in $UCA_FILE."
    echo "Updating the path to ensure it's correct..."
    # Update the existing command path
    sed -i "s|<command>.*copy_filename.py %N</command>|<command>$TARGET_PYTHON_SCRIPT %N</command>|g" "$UCA_FILE"
else
    echo "Adding 'Copy Filename' action to $UCA_FILE"
    
    ACTION_BLOCK="<action>
	<icon>edit-copy</icon>
	<name>Copy Filename</name>
	<submenu></submenu>
	<unique-id>copy-filename-extension</unique-id>
	<command>$TARGET_PYTHON_SCRIPT %N</command>
	<description>Copy the filename and extension to clipboard</description>
	<range></range>
	<patterns>*</patterns>
	<startup-notify/>
	<audio-files/>
	<image-files/>
	<other-files/>
	<text-files/>
	<video-files/>
	<directories/>
</action>"

    # Use Python to safely handle the multi-line insertion
    export ACTION_BLOCK UCA_FILE
    python3 -c '
import os
action_block = os.environ["ACTION_BLOCK"]
uca_path = os.environ["UCA_FILE"]
with open(uca_path, "r") as f:
    content = f.read()
if "<actions>" in content:
    new_content = content.replace("<actions>", "<actions>\n" + action_block)
    with open(uca_path, "w") as f:
        f.write(new_content)
'
fi

echo "Success! Please restart Thunar (thunar -q) to see the changes."
echo "----------------------------------------"