#!/sbin/openrc-run
# OpenRC init script for battery charge thresholds
# Restore battery charge thresholds on boot

description="Set battery charge thresholds for battery health"

BATTERY="${BATTERY:-BAT0}"
START_THRESHOLD="${START_THRESHOLD:-20}"
END_THRESHOLD="${END_THRESHOLD:-80}"

depend() {
    need localmount
}

start() {
    ebegin "Setting battery charge thresholds"

    if [ ! -d "/sys/class/power_supply/$BATTERY" ]; then
        eerror "Battery $BATTERY not found"
        eend 1
        return 1
    fi

    if [ ! -f "/sys/class/power_supply/$BATTERY/charge_control_start_threshold" ]; then
        eerror "Battery charge thresholds not supported"
        eend 1
        return 1
    fi

    # Set start threshold
    echo "$START_THRESHOLD" > "/sys/class/power_supply/$BATTERY/charge_control_start_threshold"

    # Set end threshold
    echo "$END_THRESHOLD" > "/sys/class/power_supply/$BATTERY/charge_control_end_threshold"

    einfo "Battery thresholds set: ${START_THRESHOLD}% - ${END_THRESHOLD}%"
    eend $?
}

stop() {
    # Nothing to do on stop
    return 0
}