#!/usr/bin/bash
# Install open-webui

# Load the configuration
source ./installer.conf

# Create the users
echo "Create users and groups"
getent group $GROUP > /dev/null 2&>1 || groupadd $GROUP
getent passwd $USER > /dev/null 2&>1
if [ $? -ne 0 ]; then
  useradd --system -s /usr/bin/nologin -g $GROUP $USER 
fi

# Start with creating the configuration file
echo "Writing configuration files..."
mkdir -p /etc/open-webui
cp open-webui.conf /etc/open-webui
sed -i 's/#TARGET_DIR#/${TARGET_DIR}/g' /etc/open-webui/open-webui.conf

# Now create the target directory
echo "Creating target directory..."
mkdir -p $TARGET_DIR

# And populate it
echo "Installing open-webui"
chown $USER:$GROUP $TARGET_DIR
cd $TARGET_DIR
sudo $PYTHON -m venv .venv
sudo -u $USER pip install --upgrade pip
sudo -u $USER pip open-webui
echo "Finished installing open-webui."

# Now install the script file
echo "Installing the script"
mkdir -p /usr/local/bin
cp ./run-open-webui /usr/local/bin
chmod +x /usr/local/bin/run-open-webui

# Install the systemd file
echo "Installing the service file"
cp ./open-webui.service /etc/systemd/system
sed -i '/#TARGET_DIR#/${TARGET_DIR}/g' /etc/systemd/system/open-webui.service
sed -i '/#USER#/${USER}/g' /etc/systemd/system/open-webui.service
sed -i '/#GROUP#/${GROUP}/g' /etc/systemd/system/open-webui.service
systemctl daemon-reload