-- data compiler
dc_compiler = "python scripts/compiler.py"
if family == "windows" then
	dc_compiler = "scripts\\compiler.py"
end

netobj_compiler = "python scripts/netobj.py"
if family == "windows" then
	netobj_compiler = "scripts\\netobj.py"
end

dat2c_compiler = "python scripts/dat2c.py"
if family == "windows" then
	dat2c_compiler = "scripts\\dat2c.py"
end

cmd5_tool = "python scripts/cmd5.py"
if family == "windows" then
	cmd5_tool = "scripts\\cmd5.py"
end

function rc(output, input)
	print("rc " .. PathFilename(input))
	return os.execute("rc /fo " .. output .. " " .. input)
end

function cmd5(output, inputs)
	print("cmd5 " .. PathFilename(output))
	cmd = cmd5_tool .. " "
	for i,v in inputs do
		cmd = cmd .. v .. " " 
	end
	cmd = cmd .. " > " .. output
	return os.execute(cmd)
end

function dat2c(output, data, name)
	print("dat2c " .. PathFilename(output) .. " = " .. PathFilename(data))
	return os.execute(dat2c_compiler .. " " .. data .. " " .. name .. " > " .. output)
end

function dc_header(output, data, script)
	print("dc_header " .. PathFilename(output) .. " = " .. PathFilename(data) .. " ~ " .. PathFilename(script))
	return os.execute(dc_compiler .. " " .. data .. " " .. script .. " -h " .. output)
end

function dc_source(output, data, script, headerfile)
	print("dc_source " .. PathFilename(output) .. "+" .. PathFilename(headerfile) .. " = " .. PathFilename(data) .. " ~ " .. PathFilename(script))
	cmd = dc_compiler .. " " .. data .. " " .. script .. " -s " .. output .. " " .. headerfile
	return os.execute(cmd)
end

function dc_data(output, data, script)
	print("dc_data " .. PathFilename(output) .. " = " .. PathFilename(data) .. " ~ " .. PathFilename(script))
	return os.execute(dc_compiler .. " " .. data .. " " .. script .. " -d " .. output)
end

function dc_cdata(output, data, script)
	print("dc_cdata " .. PathFilename(output) .. " = " .. PathFilename(data) .. " ~ " .. PathFilename(script))
	return os.execute(dc_compiler .. " " .. data .. " " .. script .. " -c " .. output)
end

function netobj_source(output, proto)
	print("netobj source " .. PathFilename(output) .. " = " .. PathFilename(proto))
	return os.execute(netobj_compiler .. " source " .. proto .. " " .. output)
end

function netobj_header(output, proto)
	print("netobj header " .. PathFilename(output) .. " = " .. PathFilename(proto))
	return os.execute(netobj_compiler .. " header " .. proto .. " " .. output)
end

function CHash(output, ...)
	local inputs = {}
	local ih = collect_input(arg)
	
	output = Path(output)
	
	-- compile all the files
	for index, inname in ih do
		table.insert(inputs, Path(inname))
	end
	
	bam_add_job("cmd5", output, inputs)
	for index, inname in inputs do
		bam_add_dependency(output, inname)
	end
	return output
end

function ResCompile(scriptfile)
	scriptfile = Path(scriptfile)
	output = PathBase(scriptfile) .. ".res"
	bam_add_job("rc", output, scriptfile)
	bam_add_dependency(output, scriptfile)
	return output
end

function Dat2c(datafile, sourcefile, arrayname)
	datafile = Path(datafile)
	sourcefile = Path(sourcefile)
	bam_add_job("dat2c", sourcefile, datafile, arrayname)
	bam_add_dependency(sourcefile, datafile)
	return sourcefile
end

function NetObjCompile(protofile, sourcefile, headerfile)
	protofile = Path(protofile)
	sourcefile = Path(sourcefile)
	headerfile = Path(headerfile)
	bam_add_job("netobj_source", sourcefile, protofile)
	bam_add_job("netobj_header", headerfile, protofile)
	bam_add_dependency(sourcefile, protofile)
	bam_add_dependency(headerfile, protofile)
	return {source = sourcefile, header=headerfile}
end

function DataCompile(datafile, scriptfile, headerfile, sourcefile, outputdatafile)
	datafile = Path(datafile)
	scriptfile = Path(scriptfile)
	headerfile = Path(headerfile)

	bam_add_job("dc_header", headerfile, datafile, scriptfile)
	bam_add_dependency(headerfile, datafile)
	bam_add_dependency(headerfile, scriptfile)
	
	if sourcefile then
		sourcefile = Path(sourcefile)
		bam_add_job("dc_source", sourcefile, datafile, scriptfile, headerfile)
		bam_add_dependency(sourcefile, datafile)
		bam_add_dependency(sourcefile, scriptfile)
		bam_add_dependency(sourcefile, headerfile)
	end
		
	if outputdatafile then
		outputdatafile = Path(outputdatafile)
		bam_add_job("dc_cdata", outputdatafile, datafile, scriptfile)
		bam_add_dependency(outputdatafile, datafile)
		bam_add_dependency(outputdatafile, scriptfile)
	end
		
	return {cdata = outputdatafile, header=headerfile, source=sourcefile}
end

serverdata = DataCompile(
		"datasrc/teewars.ds", 
		"datasrc/server.dts", 
		"src/game/generated/gs_data.h",
		"src/game/generated/gs_data.cpp",
		"src/game/generated/gs_internaldata.cpp")

clientdata = DataCompile(
		"datasrc/teewars.ds", 
		"datasrc/client.dts", 
		"src/game/generated/gc_data.h",
		"src/game/generated/gc_data.cpp",
		"src/game/generated/gc_internaldata.cpp")

networkdata = DataCompile(
		"datasrc/teewars.ds", 
		"datasrc/network.dts", 
		"src/game/generated/g_protocol_ids.h",
		"src/game/generated/g_protocol_ids.cpp")
		
netobj = NetObjCompile(
		"src/game/g_protocol.def",
		"src/game/generated/g_protocol.cpp",
		"src/game/generated/g_protocol.h")

nethash = CHash(
	"src/game/generated/nethash.c",
	"src/engine/e_protocol.h",
	"src/game/generated/g_protocol.h",
	"src/game/g_tuning.h",
	"src/game/g_game.cpp", networkdata.header)

client_link_other = {}
if family == "windows" then
	client_link_other = {ResCompile("other/icons/teewars.rc")}
end


-- [TODO: Should be in C]
function file_ext(s)
	for ext in string.gfind(s, "%.%a+$") do
		return string.sub(ext, 2)
	end
	return ""
end

function intermediate_output_func(dir, input, extension)
	if not (dir == "") then
		return Path(dir .. "/" .. PathBase(PathFilename(input)) .. extension)
	end
	return PathBase(input) .. extension
end

function build(settings)
	settings.objdir = Path("objs")
	settings.cc.output = intermediate_output_func

	if family == "windows" then
		settings.cc.flags = "/wd4244"
	else
		settings.cc.flags = "-Wall -fstack-protector -fstack-protector-all"
		settings.linker.flags = ""
	end

	-- set some platform specific settings
	settings.cc.includes:add("src")
	settings.cc.includes:add("src/external/zlib")

	if family == "unix" then
   		if platform == "macosx" then
			glfw_platform = "macosx"
			pa_platform = "mac_osx"
			pa_hostapi = "coreaudio"
		else
			glfw_platform = "x11"
			pa_platform = "unix"
			pa_hostapi = "alsa" -- todo, change me
			settings.linker.libs:add("pthread")
		end
	elseif family == "windows" then
		glfw_platform = "win32"
		pa_platform = "win"
		pa_hostapi = "dsound"
		settings.linker.libs:add("gdi32.lib")
		settings.linker.libs:add("user32.lib")
		settings.linker.libs:add("ws2_32.lib")
		settings.linker.libs:add("ole32.lib")
		settings.linker.libs:add("shell32.lib")
	end
	
	-- build glfw
	glfw_settings = settings:copy()
	glfw_settings.cc.includes:add("src/external/glfw/include")
	glfw_settings.cc.includes:add("src/engine/external/glfw/lib")
	glfw_settings.cc.includes:add("src/engine/external/glfw/lib/" .. glfw_platform)

	glfw = Compile(glfw_settings, Collect(
		"src/engine/external/glfw/lib/*.c",
		"src/engine/external/glfw/lib/" .. glfw_platform .. "/*.c"))
		
	-- build portaudio
	pa_settings = settings:copy()
	pa_settings.cc.defines:add("PA_USE_" .. string.upper(pa_hostapi))
	pa_settings.cc.includes:add("src/engine/external/portaudio/include")
	pa_settings.cc.includes:add("src/engine/external/portaudio/src/common")
	pa_settings.cc.includes:add("src/engine/external/portaudio/src/os/" .. pa_platform)
	
	portaudio = Compile(pa_settings,
		Collect("src/engine/external/portaudio/src/common/*.c"),
		Collect("src/engine/external/portaudio/src/os/" .. pa_platform .. "/*.c"),
		Collect("src/engine/external/portaudio/src/hostapi/" .. pa_hostapi .. "/*.c"))
	
	-- build teewars components
	engine_settings = settings:copy()
	
	if family == "windows" then
		engine_settings.cc.flags = "/wd4244"
	else
   		if platform == "macosx" then
			engine_settings.cc.flags = "-Wall"
		else
			engine_settings.cc.flags = "-Wall -pedantic-errors"
		end
		engine_settings.linker.flags = ""
	end

	-- server
	server_settings = engine_settings:copy()

	-- client
	client_settings = engine_settings:copy()
	client_settings.cc.includes:add("src/external/glfw/include")

	if family == "unix" then
   		if platform == "macosx" then
			client_settings.linker.frameworks:add("OpenGL")
            client_settings.linker.frameworks:add("AGL")
            client_settings.linker.frameworks:add("Carbon")
            client_settings.linker.frameworks:add("Cocoa")
			client_settings.linker.frameworks:add("CoreAudio")
			client_settings.linker.frameworks:add("AudioToolbox")
			client_settings.linker.frameworks:add("AudioUnit")
		else
            client_settings.linker.libs:add("asound")
			client_settings.linker.libs:add("X11")
			client_settings.linker.libs:add("GL")
			client_settings.linker.libs:add("GLU")
		end
	elseif family == "windows" then
		client_settings.linker.libs:add("opengl32.lib")
		client_settings.linker.libs:add("glu32.lib")
		client_settings.linker.libs:add("dsound.lib")
	end

	external_settings = settings:copy()
	zlib = Compile(external_settings, Collect("src/engine/external/zlib/*.c"))
	wavpack = Compile(external_settings, Collect("src/engine/external/wavpack/*.c"))
	pnglite = Compile(external_settings, Collect("src/engine/external/pnglite/*.c"))

	engine = Compile(engine_settings, Collect("src/engine/*.c"))
	client = Compile(client_settings, Collect("src/engine/client/*.c"))
	server = Compile(server_settings, Collect("src/engine/server/*.c"))
	
	masterserver = Compile(settings, Collect("src/mastersrv/*.cpp"))
	game_shared = Compile(settings, Collect("src/game/*.cpp"), nethash, netobj.source)
	game_client = Compile(settings, Collect("src/game/client/*.cpp"), clientdata.source, clientdata.cdata)
	game_server = Compile(settings, Collect("src/game/server/*.cpp"), serverdata.source, serverdata.cdata)
	game_editor = Compile(settings, Collect("src/game/editor/*.cpp"))

	if platform == "macosx" then
		osxlaunch = Compile(settings, Collect("src/osxlaunch/*.m"))
	end

	-- build tools (TODO: fix this so we don't get double _d_d stuff)
	tools_src = Collect("src/tools/*.cpp", "src/tools/*.c")
	
	objs = Compile(settings, tools_src)
	tools = {}
	for i,v in objs do
		toolname = PathFilename(PathBase(v))
		tools[i] = Link(settings, toolname, v, engine, zlib)
	end
	
	-- build client, server and master server
	client_exe = Link(client_settings, "teewars", game_shared, game_client,
		engine, client, game_editor, glfw, portaudio, zlib, pnglite, wavpack,
		client_link_other)

	server_exe = Link(server_settings, "teewars_srv", engine, server,
		game_shared, game_server, zlib)

	masterserver_exe = Link(server_settings, "mastersrv", masterserver,
		engine, zlib)

	if platform == "macosx" then
		osxlaunch_exe = Link(client_settings, "TeeLaunch", osxlaunch)
	end

	-- make targets
	c = PseudoTarget("client".."_"..settings.config_name, client_exe)
	s = PseudoTarget("server".."_"..settings.config_name, server_exe)
	m = PseudoTarget("masterserver".."_"..settings.config_name, masterserver_exe)
	t = PseudoTarget("tools".."_"..settings.config_name, tools)

	Target(c)
	Target(s)
	Target(m)
	Target(t)
	
	if platform == "macosx" then
		o = PseudoTarget("TeeLaunch".."_"..settings.config_name, osxlaunch_exe)
		all = PseudoTarget(settings.config_name, c, s, m, t, o)
	else
		all = PseudoTarget(settings.config_name, c, s, m, t)
	end

	Target(all)
	return all
end


debug_settings = NewSettings()
debug_settings.config_name = "debug"
debug_settings.config_ext = "_d"
debug_settings.debug = 1
debug_settings.cc.optimize = 0

release_settings = NewSettings()
release_settings.config_name = "release"
release_settings.config_ext = ""
release_settings.debug = 0
release_settings.cc.optimize = 1

DefaultTarget(build(debug_settings))
build(release_settings)