# A3XX Fuel System
# Joshua Davidson (it0uchpods)

#########################################
# Copyright (c) it0uchpods Design Group #
#########################################

#############
# Init Vars #
#############

setlistener("/sim/signals/fdm-initialized", func {
	var xfeed_sw = getprop("/controls/fuel/x-feed");
	var tank0pump1_sw = getprop("/controls/fuel/tank0pump1");
	var tank0pump2_sw = getprop("/controls/fuel/tank0pump2");
	var tank1pump1_sw = getprop("/controls/fuel/tank1pump1");
	var tank1pump2_sw = getprop("/controls/fuel/tank1pump2");
	var tank2pump1_sw = getprop("/controls/fuel/tank2pump1");
	var tank2pump2_sw = getprop("/controls/fuel/tank2pump2");
	var mode_sw = getprop("/controls/fuel/mode");
	var xfeed = getprop("/systems/fuel/x-feed");
	var ac1 = getprop("/systems/electrical/bus/ac1");
	var ac2 = getprop("/systems/electrical/bus/ac2");
	var gravityfeedL = getprop("/systems/fuel/gravityfeedL");
	var gravityfeedR = getprop("/systems/fuel/gravityfeedR");
	var gload = getprop("/accelerations/pilot-gdamped");
	var gravityfeedL_output = getprop("/systems/fuel/gravityfeedL-output");
	var gravityfeedR_output = getprop("/systems/fuel/gravityfeedR-output");
	var tank0 = getprop("/systems/fuel/tank[0]/feed");
	var tank1 = getprop("/systems/fuel/tank[1]/feed");
	var tank2 = getprop("/systems/fuel/tank[2]/feed");
	var gravityfeedL = getprop("/systems/fuel/gravityfeedL");
	var gravityfeedR = getprop("/systems/fuel/gravityfeedR");
	var tank0pump1_fail = getprop("/systems/failures/tank0pump1");
	var tank0pump2_fail = getprop("/systems/failures/tank0pump2");
	var tank1pump1_fail = getprop("/systems/failures/tank1pump1");
	var tank1pump2_fail = getprop("/systems/failures/tank1pump2");
	var tank2pump1_fail = getprop("/systems/failures/tank2pump1");
	var tank2pump2_fail = getprop("/systems/failures/tank2pump2");
});

var fuel_init = func {
	setprop("/systems/fuel/gravityfeedL", 0);
	setprop("/systems/fuel/gravityfeedR", 0);
	setprop("/systems/fuel/gravityfeedL-output", 0);
	setprop("/systems/fuel/gravityfeedR-output", 0);
	setprop("/controls/fuel/x-feed", 0);
	setprop("/controls/fuel/tank0pump1", 0);
	setprop("/controls/fuel/tank0pump2", 0);
	setprop("/controls/fuel/tank1pump1", 0);
	setprop("/controls/fuel/tank1pump2", 0);
	setprop("/controls/fuel/tank2pump1", 0);
	setprop("/controls/fuel/tank2pump2", 0);
	setprop("/controls/fuel/mode", 1);
	setprop("/systems/fuel/x-feed", 0);
	setprop("/systems/fuel/tank[0]/feed", 0);
	setprop("/systems/fuel/tank[1]/feed", 0);
	setprop("/systems/fuel/tank[2]/feed", 0);
	setprop("/systems/fuel/only-use-ctr-tank", 0);
	setprop("/systems/fuel/tank0pump1-fault", 0);
	setprop("/systems/fuel/tank0pump2-fault", 0);
	setprop("/systems/fuel/tank1pump1-fault", 0);
	setprop("/systems/fuel/tank1pump2-fault", 0);
	setprop("/systems/fuel/tank2pump1-fault", 0);
	setprop("/systems/fuel/tank2pump2-fault", 0);
	setprop("/systems/fuel/mode-fault", 0);
	fuel_timer.start();
}

##############
# Main Loops #
##############
var master_fuel = func {
	xfeed_sw = getprop("/controls/fuel/x-feed");
	tank0pump1_sw = getprop("/controls/fuel/tank0pump1");
	tank0pump2_sw = getprop("/controls/fuel/tank0pump2");
	tank1pump1_sw = getprop("/controls/fuel/tank1pump1");
	tank1pump2_sw = getprop("/controls/fuel/tank1pump2");
	tank2pump1_sw = getprop("/controls/fuel/tank2pump1");
	tank2pump2_sw = getprop("/controls/fuel/tank2pump2");
	mode_sw = getprop("/controls/fuel/mode");
	xfeed = getprop("/systems/fuel/x-feed");
	ac1 = getprop("/systems/electrical/bus/ac1");
	ac2 = getprop("/systems/electrical/bus/ac2");
	gravityfeedL = getprop("/systems/fuel/gravityfeedL");
	gravityfeedR = getprop("/systems/fuel/gravityfeedR");
	gload = getprop("/accelerations/pilot-gdamped");
	tank0pump1_fail = getprop("/systems/failures/tank0pump1");
	tank0pump2_fail = getprop("/systems/failures/tank0pump2");
	tank1pump1_fail = getprop("/systems/failures/tank1pump1");
	tank1pump2_fail = getprop("/systems/failures/tank1pump2");
	tank2pump1_fail = getprop("/systems/failures/tank2pump1");
	tank2pump2_fail = getprop("/systems/failures/tank2pump2");
	
	if (gload >= 0.7 and gravityfeedL) {
		setprop("/systems/fuel/gravityfeedL-output", 1);
	} else {
		setprop("/systems/fuel/gravityfeedL-output", 0);
	}
	
	if (gload >= 0.7 and gravityfeedR) {
		setprop("/systems/fuel/gravityfeedR-output", 1);
	} else {
		setprop("/systems/fuel/gravityfeedR-output", 0);
	}
	
	gravityfeedL_output = getprop("/systems/fuel/gravityfeedL-output");
	gravityfeedR_output = getprop("/systems/fuel/gravityfeedR-output");
	
	if ((ac1 >= 110 or ac2 >= 110) and tank0pump1_sw and !tank0pump1_fail) {
		setprop("/systems/fuel/tank[0]/feed", 1);
	} else if ((ac1 >= 110 or ac2 >= 110) and tank0pump2_sw and !tank0pump2_fail) {
		setprop("/systems/fuel/tank[0]/feed", 1);
	} else if (gravityfeedL_output) {
		setprop("/systems/fuel/tank[0]/feed", 1);
	} else {
		setprop("/systems/fuel/tank[0]/feed", 0);
	}
	
	if ((ac1 >= 110 or ac2 >= 110) and tank1pump1_sw and !tank1pump1_fail) {
		setprop("/systems/fuel/tank[1]/feed", 1);
	} else if ((ac1 >= 110 or ac2 >= 110) and tank1pump2_sw and !tank1pump2_fail) {
		setprop("/systems/fuel/tank[1]/feed", 1);
	} else {
		setprop("/systems/fuel/tank[1]/feed", 0);
	}
	
	if ((ac1 >= 110 or ac2 >= 110) and tank2pump1_sw and !tank2pump1_fail) {
		setprop("/systems/fuel/tank[2]/feed", 1);
	} else if ((ac1 >= 110 or ac2 >= 110) and tank2pump2_sw and !tank2pump2_fail) {
		setprop("/systems/fuel/tank[2]/feed", 1);
	} else if (gravityfeedR_output) {
		setprop("/systems/fuel/tank[2]/feed", 1);
	} else {
		setprop("/systems/fuel/tank[2]/feed", 0);
	}
	
	if ((ac1 >= 110 or ac2 >= 110) and xfeed_sw) {
		setprop("/systems/fuel/x-feed", 1);
	} else {
		setprop("/systems/fuel/x-feed", 0);
	}
	
	tank0 = getprop("/systems/fuel/tank[0]/feed");
	tank1 = getprop("/systems/fuel/tank[1]/feed");
	tank2 = getprop("/systems/fuel/tank[2]/feed");
	
	if ((ac1 >= 110 or ac2 >= 110) and (tank0pump1_sw or tank0pump2_sw)) {
		setprop("/systems/fuel/gravityfeedL", 0);
	} else {
		setprop("/systems/fuel/gravityfeedL", 1);
	}
	
	if ((ac1 >= 110 or ac2 >= 110) and (tank2pump1_sw or tank2pump2_sw)) {
		setprop("/systems/fuel/gravityfeedR", 0);
	} else {
		setprop("/systems/fuel/gravityfeedR", 1);
	}
	
	gravityfeedL = getprop("/systems/fuel/gravityfeedL");
	gravityfeedR = getprop("/systems/fuel/gravityfeedR");
	
	if ((getprop("/fdm/jsbsim/propulsion/tank[1]/contents-lbs") >= 50) and (tank1pump1_sw or tank1pump2_sw) and !gravityfeedL and !gravityfeedR) {
		setprop("/systems/fuel/only-use-ctr-tank", 1);
	} else {
		setprop("/systems/fuel/only-use-ctr-tank", 0);
	}
	
	# Fault lights
	if (tank0pump1_sw and tank0pump1_fail) {
		setprop("/systems/fuel/tank0pump1-fault", 1);
	} else {
		setprop("/systems/fuel/tank0pump1-fault", 0);
	}
	
	if (tank0pump2_sw and tank0pump2_fail) {
		setprop("/systems/fuel/tank0pump2-fault", 1);
	} else {
		setprop("/systems/fuel/tank0pump2-fault", 0);
	}
	
	if (tank1pump1_sw and tank1pump1_fail) {
		setprop("/systems/fuel/tank1pump1-fault", 1);
	} else {
		setprop("/systems/fuel/tank1pump1-fault", 0);
	}
	
	if (tank1pump2_sw and tank1pump2_fail) {
		setprop("/systems/fuel/tank1pump2-fault", 1);
	} else {
		setprop("/systems/fuel/tank1pump2-fault", 0);
	}
	
	if (tank2pump1_sw and tank2pump1_fail) {
		setprop("/systems/fuel/tank2pump1-fault", 1);
	} else {
		setprop("/systems/fuel/tank2pump1-fault", 0);
	}
	
	if (tank2pump2_sw and tank2pump2_fail) {
		setprop("/systems/fuel/tank2pump2-fault", 1);
	} else {
		setprop("/systems/fuel/tank2pump2-fault", 0);
	}
}

###################
# Update Function #
###################

var update_fuel = func {
	master_fuel();
}

var fuel_timer = maketimer(0.2, update_fuel);