install_power_supply_saver.sh

#!/usr/bin/env bash

source non_sudo_check.sh

# ENV VARS
if [ -z "$INSTALL_DIR_PATH" ]; then
    INSTALL_DIR_PATH="/usr/share/asus-numberpad-driver"
fi
if [ -z "$CONFIG_FILE_DIR_PATH" ]; then
    CONFIG_FILE_DIR_PATH="$INSTALL_DIR_PATH"
fi
if [ -z "$CONFIG_FILE_NAME" ]; then
    CONFIG_FILE_NAME="numberpad_dev"
fi
if [ -z "$INSTALL_UDEV_DIR_PATH" ]; then
    INSTALL_UDEV_DIR_PATH="/usr/lib/udev"
fi

CONFIG_FILE_PATH="$CONFIG_FILE_DIR_PATH/$CONFIG_FILE_NAME"

echo "Power supply saver"
echo
echo "By default is idle functionality disabled and may be manually enabled in config file later. Or by installing this rule can be enabled by every detected change of power supply mode to battery mode."
echo
echo "Idle mode is configured to be enabled after 10s of inactivity and to decrease 30% of brightness."
echo

read -r -p "Do you want install the rule for idle functionality? [y/N]" RESPONSE
case "$RESPONSE" in [yY][eE][sS]|[yY])

    POWER_SUPPLY_SAVER=1

    echo

    cat "udev/80-numberpad-power-supply.rules" | INSTALL_DIR_PATH=$INSTALL_DIR_PATH envsubst '$INSTALL_DIR_PATH' | sudo tee "$INSTALL_UDEV_DIR_PATH/rules.d/80-numberpad-power-supply.rules" >/dev/null

    if [[ $? != 0 ]]; then
        echo "Something went wrong when applying 80-numberpad-power-supply"
        exit 1
    else
        echo "Rule 80-numberpad-power-supply applied"
    fi

    sudo mkdir -p "$INSTALL_DIR_PATH/udev"

    cat "udev/power_supply_is_bat.sh" | CONFIG_FILE_PATH=$CONFIG_FILE_PATH envsubst '$CONFIG_FILE_PATH' | sudo tee "$INSTALL_DIR_PATH/udev/power_supply_is_bat.sh" >/dev/null
    cat "udev/power_supply_is_ac.sh" | CONFIG_FILE_PATH=$CONFIG_FILE_PATH envsubst '$CONFIG_FILE_PATH' | sudo tee "$INSTALL_DIR_PATH/udev/power_supply_is_ac.sh" >/dev/null

    sudo chmod +x "$INSTALL_DIR_PATH/udev/power_supply_is_bat.sh"
    sudo chmod +x "$INSTALL_DIR_PATH/udev/power_supply_is_ac.sh"

    sudo udevadm control --reload-rules && sudo udevadm trigger

    if [[ $? != 0 ]]; then
        echo "Something went wrong when reloading or triggering udev rules"
        exit 1
    else
        echo "Udev rules reloaded and triggered"
    fi
    ;;
*)
    ;;
esac