#!/bin/bash
################################################################################
# Copyright 2026 ModalAI Inc.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
#    this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
#    this list of conditions and the following disclaimer in the documentation
#    and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors
#    may be used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# 4. The Software is used solely in conjunction with devices provided by
#    ModalAI Inc.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
################################################################################

NAME="voxl-io-server"
SERVICE_FILE="${NAME}.service"
CONFIG_FILE="/etc/modalai/${NAME}.conf"
USER=$(whoami)


print_usage () {
	echo ""
	echo ""
	echo "The following args can be provided for headless scripted setup:"
	echo ""
	echo "voxl-configure-io-server disable"
	echo "voxl-configure-io-server starling_neopixel"
	echo "voxl-configure-io-server d0008_fpv_tbs"
	echo "voxl-configure-io-server d0008_fpv_orqa"
	echo "voxl-configure-io-server d0020_payload_esad"
	echo "voxl-configure-io-server d0020_ip_payload_esad"
	echo "voxl-configure-io-server m0216_camera_control"
	echo "voxl-configure-io-server passthrough_payload"
	echo "voxl-configure-io-server vtx_failsafe"
	echo ""
	echo "starling_neopixel:          configures a neopixel bar on M0129 ESC to be toggled"
	echo "                            with channel 8 on an RC controller."
	echo "d0008_fpv:                  configures a patrios light bar on M0138 ESC plus two"
	echo "                            pwm channels from M0138 going to a payload connector"
	echo "d0020_payload_esad:         configures ESAD payload monitor with RF channel monitoring"
	echo ""
	echo "d0020_ip_payload_esad:      configures ESAD payload monitor with joystick channel monitoring"
	echo "							  also enables patrios pwm overrides from joystick"
	echo ""
	echo "m0216_camera_control:       configures M0216 I2C PWM board camera control,"
	echo "                            RC ch11->PWM ch2 (cam), RC ch12->PWM ch3 (color)"
	echo "vtx_failsafe:               drives ESC_PIN_M0138_VTX_REG high when ELRS link is"
	echo "                            active and low on failsafe or link loss"
	echo "show this help message:"
	echo "voxl-configure-io-server help"
	echo ""
	exit 0
}


disable_service_and_exit () {
	echo "disabling ${NAME} systemd service"
	systemctl disable ${SERVICE_FILE}
	echo "stopping ${NAME} systemd service"
	systemctl stop ${SERVICE_FILE}
	echo "Done configuring ${NAME}"
	exit 0
}

enable_service_and_exit () {
	echo "enabling  ${NAME} systemd service"
	systemctl enable  ${SERVICE_FILE}
	echo "Done configuring ${NAME}"
	exit 0
}



################################################################################
## actual start of execution, handle optional arguments first
################################################################################

## sanity checks
if [ "${USER}" != "root" ]; then
	echo "Please run this script as root"
	exit 1
fi


## convert argument to lower case for robustness
arg=$(echo "$1" | tr '[:upper:]' '[:lower:]')

## parse arguments
case ${arg} in
	"")
		echo "missing required argument"
		print_usage
		exit 1
		;;
	"h"|"-h"|"help"|"--help")
		print_usage
		exit 0
		;;
	"disable")
		disable_service_and_exit
		;;
	"starling_neopixel")
		voxl-io-server --config 1
		enable_service_and_exit
		;;
	"d0008_fpv_tbs")
		voxl-io-server --config 2
		enable_service_and_exit
		;;
	"d0008_fpv_orqa")
		voxl-io-server --config 3
		enable_service_and_exit
		;;
	"d0008_fpv_zorro")
		voxl-io-server --config 4
		enable_service_and_exit
		;;
	"d0020_payload_esad")
		voxl-io-server --config 5
		enable_service_and_exit
		;;
	"d0020_ip_payload_esad")
		voxl-io-server --config 6
		enable_service_and_exit
		;;
	"m0216_camera_control")
		voxl-io-server --config 7
		enable_service_and_exit
		;;
	"passthrough_payload")
		voxl-io-server --config 8
		enable_service_and_exit
		;;
	"vtx_failsafe")
		voxl-io-server --config 9
		enable_service_and_exit
		;;
	"enable")
		enable_service_and_exit
		;;
	*)
		echo "invalid option"
		print_usage
		exit 1
esac

