//--------------------------------------------
// Pipe colors
//
// Add them here and to the pipe_colors list
//  to automatically add them to all relevant
//  atmospherics devices.
//--------------------------------------------

#define	PIPE_COLOR_GREY		"#ffffff"	//yes white is grey
#define	PIPE_COLOR_RED		"#ff0000"
#define	PIPE_COLOR_BLUE		"#0000ff"
#define	PIPE_COLOR_CYAN		"#00ffff"
#define	PIPE_COLOR_GREEN	"#00ff00"
#define	PIPE_COLOR_YELLOW	"#ffcc00"
#define	PIPE_COLOR_BLACK	"#444444"
#define	PIPE_COLOR_PURPLE	"#5c1ec0"

#define CONNECT_TYPE_REGULAR	1
#define CONNECT_TYPE_SUPPLY		2
#define CONNECT_TYPE_SCRUBBER	4
#define CONNECT_TYPE_HE			8

var/global/list/pipe_colors = list("grey" = PIPE_COLOR_GREY, "red" = PIPE_COLOR_RED, "blue" = PIPE_COLOR_BLUE, "cyan" = PIPE_COLOR_CYAN, "green" = PIPE_COLOR_GREEN, "yellow" = PIPE_COLOR_YELLOW, "black" = PIPE_COLOR_BLACK, "purple" = PIPE_COLOR_PURPLE)

/proc/pipe_color_lookup(var/color)
	for(var/C in pipe_colors)
		if(color == pipe_colors[C])
			return "[C]"

/proc/pipe_color_check(var/color)
	if(!color)
		return 1
	for(var/C in pipe_colors)
		if(color == pipe_colors[C])
			return 1
	return 0

//--------------------------------------------
// Icon cache generation
//--------------------------------------------

/datum/pipe_icon_manager
	var/list/pipe_icons[]
	var/list/manifold_icons[]
	var/list/device_icons[]
	var/list/underlays[]
	//var/list/underlays_down[]
	//var/list/underlays_exposed[]
	//var/list/underlays_intact[]
	//var/list/pipe_underlays_exposed[]
	//var/list/pipe_underlays_intact[]
	var/list/omni_icons[]

/datum/pipe_icon_manager/New()
	check_icons()

/datum/pipe_icon_manager/proc/get_atmos_icon(var/device, var/dir, var/color, var/state)
	check_icons()

	device = "[device]"
	state = "[state]"
	color = "[color]"
	dir = "[dir]"

	switch(device)
		if("pipe")
			return pipe_icons[state + color]
		if("manifold")
			return manifold_icons[state + color]
		if("device")
			return device_icons[state]
		if("omni")
			return omni_icons[state]
		if("underlay")
			return underlays[state + dir + color]
	//  if("underlay_intact")
	//	return underlays_intact[state + dir + color]
	//	if("underlay_exposed")
	//		return underlays_exposed[state + dir + color]
	//	if("underlay_down")
	//		return underlays_down[state + dir + color]
	//	if("pipe_underlay_exposed")
	//		return pipe_underlays_exposed[state + dir + color]
	//	if("pipe_underlay_intact")
	//		return pipe_underlays_intact[state + dir + color]

/datum/pipe_icon_manager/proc/check_icons()
	if(!pipe_icons)
		gen_pipe_icons()
	if(!manifold_icons)
		gen_manifold_icons()
	if(!device_icons)
		gen_device_icons()
	if(!omni_icons)
		gen_omni_icons()
	//if(!underlays_intact || !underlays_down || !underlays_exposed || !pipe_underlays_exposed || !pipe_underlays_intact)
	if(!underlays)
		gen_underlay_icons()

/datum/pipe_icon_manager/proc/gen_pipe_icons()
	if(!pipe_icons)
		pipe_icons = new()

	var/icon/pipe = new('icons/atmos/pipes.dmi')

	for(var/state in pipe.IconStates())
		if(!state || findtext(state, "map"))
			continue

		var/cache_name = state
		var/image/I = image('icons/atmos/pipes.dmi', icon_state = state)
		pipe_icons[cache_name] = I

		for(var/pipe_color in pipe_colors)
			I = image('icons/atmos/pipes.dmi', icon_state = state)
			I.color = pipe_colors[pipe_color]
			pipe_icons[state + "[pipe_colors[pipe_color]]"] = I

	pipe = new ('icons/atmos/heat.dmi')
	for(var/state in pipe.IconStates())
		if(!state || findtext(state, "map"))
			continue
		pipe_icons["hepipe" + state] = image('icons/atmos/heat.dmi', icon_state = state)

	pipe = new ('icons/atmos/junction.dmi')
	for(var/state in pipe.IconStates())
		if(!state || findtext(state, "map"))
			continue
		pipe_icons["hejunction" + state] = image('icons/atmos/junction.dmi', icon_state = state)


/datum/pipe_icon_manager/proc/gen_manifold_icons()
	if(!manifold_icons)
		manifold_icons = new()

	var/icon/pipe = new('icons/atmos/manifold.dmi')

	for(var/state in pipe.IconStates())
		if(findtext(state, "clamps"))
			var/image/I = image('icons/atmos/manifold.dmi', icon_state = state)
			manifold_icons[state] = I
			continue

		if(findtext(state, "core") || findtext(state, "4way"))
			var/image/I = image('icons/atmos/manifold.dmi', icon_state = state)
			manifold_icons[state] = I
			for(var/pipe_color in pipe_colors)
				I = image('icons/atmos/manifold.dmi', icon_state = state)
				I.color = pipe_colors[pipe_color]
				manifold_icons[state + pipe_colors[pipe_color]] = I

/datum/pipe_icon_manager/proc/gen_device_icons()
	if(!device_icons)
		device_icons = new()

	var/icon/device

	device = new('icons/atmos/vent_pump.dmi')
	for(var/state in device.IconStates())
		if(!state || findtext(state, "map"))
			continue
		device_icons["vent" + state] = image('icons/atmos/vent_pump.dmi', icon_state = state)

	device = new('icons/atmos/vent_scrubber.dmi')
	for(var/state in device.IconStates())
		if(!state || findtext(state, "map"))
			continue
		device_icons["scrubber" + state] = image('icons/atmos/vent_scrubber.dmi', icon_state = state)

/datum/pipe_icon_manager/proc/gen_omni_icons()
	if(!omni_icons)
		omni_icons = new()

	var/icon/omni = new('icons/atmos/omni_devices.dmi')

	for(var/state in omni.IconStates())
		if(!state || findtext(state, "map"))
			continue
		omni_icons[state] = image('icons/atmos/omni_devices.dmi', icon_state = state)


/datum/pipe_icon_manager/proc/gen_underlay_icons()

	if(!underlays)
		underlays = new()

	var/icon/pipe = new('icons/atmos/pipe_underlays.dmi')

	for(var/state in pipe.IconStates())
		if(state == "")
			continue

		var/cache_name = state

		for(var/D in cardinal)
			var/image/I = image('icons/atmos/pipe_underlays.dmi', icon_state = state, dir = D)
			underlays[cache_name + "[D]"] = I
			for(var/pipe_color in pipe_colors)
				I = image('icons/atmos/pipe_underlays.dmi', icon_state = state, dir = D)
				I.color = pipe_colors[pipe_color]
				underlays[state + "[D]" + "[pipe_colors[pipe_color]]"] = I

/*
	Leaving the old icon manager code commented out for now, as we may want to rewrite the new code to cleanly
	separate the newpipe icon caching (speshul supply and scrubber lines) from the rest of the pipe code.
*/

/*
/datum/pipe_icon_manager/proc/gen_underlay_icons()
	if(!underlays_intact)
		underlays_intact = new()
	if(!underlays_exposed)
		underlays_exposed = new()
	if(!underlays_down)
		underlays_down = new()
	if(!pipe_underlays_exposed)
		pipe_underlays_exposed = new()
	if(!pipe_underlays_intact)
		pipe_underlays_intact = new()

	var/icon/pipe = new('icons/atmos/pipe_underlays.dmi')

	for(var/state in pipe.IconStates())
		if(state == "")
			continue

		for(var/D in cardinal)
			var/image/I = image('icons/atmos/pipe_underlays.dmi', icon_state = state, dir = D)
			switch(state)
				if("intact")
					underlays_intact["[D]"] = I
				if("exposed")
					underlays_exposed["[D]"] = I
				if("down")
					underlays_down["[D]"] = I
				if("pipe_exposed")
					pipe_underlays_exposed["[D]"] = I
				if("pipe_intact")
					pipe_underlays_intact["[D]"] = I
				if("intact-supply")
					underlays_intact["[D]"] = I
				if("exposed-supply")
					underlays_exposed["[D]"] = I
				if("down-supply")
					underlays_down["[D]"] = I
				if("pipe_exposed-supply")
					pipe_underlays_exposed["[D]"] = I
				if("pipe_intact-supply")
					pipe_underlays_intact["[D]"] = I
				if("intact-scrubbers")
					underlays_intact["[D]"] = I
				if("exposed-scrubbers")
					underlays_exposed["[D]"] = I
				if("down-scrubbers")
					underlays_down["[D]"] = I
				if("pipe_exposed-scrubbers")
					pipe_underlays_exposed["[D]"] = I
				if("pipe_intact-scrubbers")
					pipe_underlays_intact["[D]"] = I
			for(var/pipe_color in pipe_colors)
				I = image('icons/atmos/pipe_underlays.dmi', icon_state = state, dir = D)
				I.color = pipe_colors[pipe_color]
				switch(state)
					if("intact")
						underlays_intact["[D]" + pipe_colors[pipe_color]] = I
					if("exposed")
						underlays_exposed["[D]" + pipe_colors[pipe_color]] = I
					if("down")
						underlays_down["[D]" + pipe_colors[pipe_color]] = I
					if("pipe_exposed")
						pipe_underlays_exposed["[D]" + pipe_colors[pipe_color]] = I
					if("pipe_intact")
						pipe_underlays_intact["[D]" + pipe_colors[pipe_color]] = I
					if("intact-supply")
						underlays_intact["[D]" + pipe_colors[pipe_color]] = I
					if("exposed-supply")
						underlays_exposed["[D]" + pipe_colors[pipe_color]] = I
					if("down-supply")
						underlays_down["[D]" + pipe_colors[pipe_color]] = I
					if("pipe_exposed-supply")
						pipe_underlays_exposed["[D]" + pipe_colors[pipe_color]] = I
					if("pipe_intact-supply")
						pipe_underlays_intact["[D]" + pipe_colors[pipe_color]] = I
					if("intact-scrubbers")
						underlays_intact["[D]" + pipe_colors[pipe_color]] = I
					if("exposed-scrubbers")
						underlays_exposed["[D]" + pipe_colors[pipe_color]] = I
					if("down-scrubbers")
						underlays_down["[D]" + pipe_colors[pipe_color]] = I
					if("pipe_exposed-scrubbers")
						pipe_underlays_exposed["[D]" + pipe_colors[pipe_color]] = I
					if("pipe_intact-scrubbers")
						pipe_underlays_intact["[D]" + pipe_colors[pipe_color]] = I

*/