CheckVersion("0.1")

--- Setup Config --------
config = NewConfig()
config:add(OptFindCompiler())
config:add(OptTestCompileC("stackprotector", "int main(){return 0;}", "-fstack-protector -fstack-protector-all"))
config:add(OptFindLibrary("zlib", "zlib.h", false))

function OptFindSDL(name, required)
	local check = function(option)
		option.value = nil
		option.use_sdlconfig = nil
		option.use_win32sdl = nil
		option.use_osxframework = nil
		option.lib_path = nil
		
		if ExecuteSilent("sdl-config") > 0 and ExecuteSilent("sdl-config --cflags") == 0 then
			option.value = 1
			option.use_sdlconfig = 1
		end
		
		if platform == "win32" then
			option.value = 1
			option.use_win32sdl = 1
		end
		
		if platform == "macosx" then
			option.value = 1
			option.use_osxframework = 1
		end
	end
	
	local apply = function(option, settings)
		if option.use_sdlconfig then
			settings.cc.flags = settings.cc.flags .. " -I/usr/include/SDL "
			settings.linker.flags = settings.linker.flags .. " `sdl-config --libs` "
		end

		if option.use_osxframework then
			client_settings.linker.frameworks:add("SDL")
			client_settings.cc.includes:add("/Library/Frameworks/SDL.framework/Headers")
		end

		if option.use_win32sdl then
			settings.cc.includes:add("other/sdl_include")
			settings.linker.libpath:add("other/vc2005_sdllibs")
			settings.linker.libs:add("SDL")
			settings.linker.libs:add("SDLmain")
		end
	end
	
	local save = function(option, output)
		output:option(option, "value")
		output:option(option, "use_sdlconfig")
		output:option(option, "use_win32sdl")
		output:option(option, "use_osxframework")
	end
	
	local display = function(option)
		if option.value then
			if option.use_sdlconfig then return "using sdl-config" end
			if option.use_win32sdl then return "using supplied win32 libraries" end
			if option.use_osxframework then return "using osx framework" end
			return "using unknown method"
		else
			if option.required then
				return "not found (required)"
			else
				return "not found (optional)"
			end
		end
	end
	
	local o = MakeOption(name, 0, check, save, display)
	o.apply = apply
	o.include_path = nil
	o.lib_path = nil
	o.required = required
	return o
end

config:add(OptFindSDL("sdl", true))

--- Auto detect ------
if not config:load("config.bam") then
	print("--- Auto Configuration ---")
	config:autodetect()
	config:save("config.bam")
	print("--- ")
end

-- data compiler
function Script(name)
	if family == "windows" then
		return str_replace(name, "/", "\\")
	end
	return "python " .. name
end

--dc_compiler = Script("scripts/compiler.py")
--netobj_compiler = Script("scripts/netobj.py")
dat2c_compiler = Script("scripts/dat2c.py")
cmd5_tool = Script("scripts/cmd5.py")
content_compiler = Script("datasrc/compile.py")

function CHash(output, ...)
	local inputs = collect_input(arg)
	
	output = Path(output)
	
	-- compile all the files
	local cmd = cmd5_tool .. " "
	for index, inname in inputs do
		cmd = cmd .. Path(inname) .. " " 
	end
	
	cmd = cmd .. " > " .. output
	
	bam_add_job(output, "cmd5 " .. output, cmd)
	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(output, "rc " .. scriptfile, "rc /fo " .. output .. " " .. scriptfile)
	bam_add_dependency(output, scriptfile)
	return output
end

function Dat2c(datafile, sourcefile, arrayname)
	datafile = Path(datafile)
	sourcefile = Path(sourcefile)

	bam_add_job(
		sourcefile,
		"dat2c " .. PathFilename(sourcefile) .. " = " .. PathFilename(datafile),
		dat2c_compiler .. " " .. datafile .. " " .. arrayname .. " > " .. sourcefile
	)
	bam_add_dependency(sourcefile, datafile)
	return sourcefile
end

function ContentCompile(action, output)
	output = Path(output)
	bam_add_job(
		output,
		action .. " > " .. output,
		Script("datasrc/compile.py") .. " " .. action .. " > " .. Path(output)
	)
	bam_add_dependency(output, Path("datasrc/content.py")) -- do this more proper
	bam_add_dependency(output, Path("datasrc/network.py"))
	bam_add_dependency(output, Path("datasrc/compile.py"))
	bam_add_dependency(output, Path("datasrc/datatypes.py"))
	return output
end

-- Content Compile
network_source = ContentCompile("network_source", "src/game/generated/g_protocol.cpp")
network_header = ContentCompile("network_header", "src/game/generated/g_protocol.hpp")
client_content_source = ContentCompile("client_content_source", "src/game/generated/gc_data.cpp")
client_content_header = ContentCompile("client_content_header", "src/game/generated/gc_data.hpp")
server_content_source = ContentCompile("server_content_source", "src/game/generated/gs_data.cpp")
server_content_header = ContentCompile("server_content_header", "src/game/generated/gs_data.hpp")

bam_add_dependency(network_source, network_header)
bam_add_dependency(client_content_source, client_content_header)
bam_add_dependency(server_content_source, server_content_header)

nethash = CHash(
	"src/game/generated/nethash.c",
	"src/engine/e_protocol.h",
	"src/game/generated/g_protocol.hpp",
	"src/game/tuning.hpp",
	"src/game/gamecore.cpp", network_header)

client_link_other = {}
if config.compiler.value == "cl" then
	client_link_other = {ResCompile("other/icons/teeworlds.rc")}
end

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

function build(settings)
	settings.objdir = Path("objs")
	settings.cc.output = intermediate_output_func
	
	if config.compiler.value == "cl" then
		settings.cc.flags = "/wd4244"
		settings.linker.flags = ""
	else
		settings.cc.flags = "-Wall -fno-exceptions "
		settings.linker.flags = ""
		if platform == "macosx" then
			settings.cc.flags = settings.cc.flags .. " -mmacosx-version-min=10.4 -isysroot /Developer/SDKs/MacOSX10.4u.sdk"
			settings.linker.flags = settings.linker.flags .. " -mmacosx-version-min=10.4 -isysroot /Developer/SDKs/MacOSX10.4u.sdk"
		elseif config.stackprotector.value == 1 then
			settings.cc.flags = settings.cc.flags .. " -fstack-protector -fstack-protector-all"
			settings.linker.flags = settings.linker.flags .. " -fstack-protector -fstack-protector-all"
		end
	end

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

	if family == "unix" then
   		if platform == "macosx" then
			glfw_platform = "macosx"
			pa_platform = "mac_osx"
			settings.linker.frameworks:add("Carbon")
			settings.linker.frameworks:add("AppKit")
		else
			glfw_platform = "x11"
			pa_platform = "unix"
			settings.linker.libs:add("pthread")
		end
	elseif family == "windows" then
		glfw_platform = "win32"
		pa_platform = "win"
		settings.linker.libs:add("gdi32")
		settings.linker.libs:add("user32")
		settings.linker.libs:add("ws2_32")
		settings.linker.libs:add("ole32")
		settings.linker.libs:add("shell32")
	end
	
	-- compile zlib if needed
	if config.zlib.value == 1 then
		settings.linker.libs:add("z")
		if config.zlib.include_path then
			settings.cc.includes:add(config.zlib.include_path)
		end
		zlib = {}
	else
		zlib = Compile(settings, Collect("src/engine/external/zlib/*.c"))
		settings.cc.includes:add("src/engine/external/zlib")
	end

	-- build the small libraries
	wavpack = Compile(settings, Collect("src/engine/external/wavpack/*.c"))
	pnglite = Compile(settings, Collect("src/engine/external/pnglite/*.c"))
	
	-- build game components
	engine_settings = settings:copy()
	
	if config.compiler.value == "cl" then
		engine_settings.cc.flags = "/wd4244"
	else
   		if platform == "macosx" then
			engine_settings.cc.flags = "-Wall -mmacosx-version-min=10.4 -isysroot /Developer/SDKs/MacOSX10.4u.sdk"
			engine_settings.linker.flags = "-mmacosx-version-min=10.4 -isysroot /Developer/SDKs/MacOSX10.4u.sdk"
		else
			engine_settings.cc.flags = "-Wall"
			engine_settings.linker.flags = ""
			
			if config.stackprotector.value == 1 then
				engine_settings.cc.flags = settings.cc.flags .. " -fstack-protector -fstack-protector-all"
				engine_settings.linker.flags = settings.linker.flags .. " -fstack-protector -fstack-protector-all"
			end

		end
	end

	-- server
	server_settings = engine_settings:copy()

	-- client
	client_settings = engine_settings:copy()

	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")
		else
			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")
		client_settings.linker.libs:add("glu32")
		client_settings.linker.libs:add("winmm")
	end

	-- apply sdl settings
	config.sdl:apply(client_settings)
	
	engine = Compile(engine_settings, Collect("src/engine/*.c", "src/base/*.c"))
	client = Compile(client_settings, Collect("src/engine/client/*.c"))
	server = Compile(server_settings, Collect("src/engine/server/*.c"))
	
	versionserver = Compile(settings, Collect("src/versionsrv/*.cpp"))
	masterserver = Compile(settings, Collect("src/mastersrv/*.cpp"))
	game_shared = Compile(settings, Collect("src/game/*.cpp"), nethash, network_source)
	game_client = Compile(settings, Collect(
		"src/game/client/*.cpp",
		"src/game/client/components/*.cpp"), client_content_source)
	game_server = Compile(settings, Collect(
		"src/game/server/*.cpp",
		"src/game/server/entities/*.cpp",
		"src/game/server/gamemodes/*.cpp"), server_content_source)
	game_editor = Compile(settings, Collect("src/game/editor/*.cpp"))

	-- build tools (TODO: fix this so we don't get double _d_d stuff)
	tools_src = Collect("src/tools/*.cpp", "src/tools/*.c")

	osxlaunch = {}
	if platform == "macosx" then
		osxlaunch = Compile(client_settings, Collect("src/osxlaunch/*.m"))
	end
	
	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, version server and master server
	client_exe = Link(client_settings, "teeworlds", game_shared, game_client,
		engine, client, game_editor, zlib, pnglite, wavpack,
		client_link_other, osxlaunch)

	server_exe = Link(server_settings, "teeworlds_srv", engine, server,
		game_shared, game_server, zlib)
		
	versionserver_exe = Link(server_settings, "versionsrv", versionserver,
		engine, zlib)

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

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

	Target(c)
	Target(s)
	Target(v)
	Target(m)
	Target(t)
	
	all = PseudoTarget(settings.config_name, c, s, v, m, t)

	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)