#!/usr/bin/python
import os, sys

MAJOR = 5
MINOR = 9
BUG   = 0
EXTRA = ""
DEBUG = True

PREFIX  = "/usr"
POSTFIX = ""
DESTDIR = ""
for argv in sys.argv:
	split = argv.split("=")
	if split[0] == "DESTDIR":
		DESTDIR = split[1] + "/"

FLAGS = ["-O2"]
if DEBUG == True:
	FLAGS = ["-Wall", "-Werror", "-g", "-DDEBUG"]
	POSTFIX = "-debug"

env = Environment(CCFLAGS = FLAGS)
if ARGUMENTS.get('VERBOSE') != "1":
	env.Append(CXXCOMSTR = "CXX $TARGET")
	env.Append(LINKCOMSTR = "Linking $TARGET")
env.Append(CPPPATH = "include")

Export("env", "MAJOR", "MINOR", "BUG", "EXTRA")

def directory(dirs):
	objs = []
	for dir in dirs:
		files = SConscript("%s/Sconscript" % dir)
		objs.append(files)
	return objs

def symlink(target, source, env):
	import os
	os.symlink(str(source[0]), str(target[0]))

SConscript(['include/Sconscript'])
ocarina = env.Program('bin/ocarina-player', directory(["libsaria", "ocarina"]))
oc_link = env.Command("ocarina.bin", "bin/ocarina-player", symlink)
Default([ocarina, oc_link])

# Install Ocarina
scripts = os.listdir("scripts/")
baselib = PREFIX + "/lib/ocarina" + POSTFIX
lib = DESTDIR + baselib
bin = DESTDIR + PREFIX + "/bin/"
images = lib + "/images"
env.Install(lib, ocarina)
env.Alias("install", [lib, images, bin])
env.Command(images, "./images/", [Copy(images, "./images")])

def process_script(target, source, env):
	f = open(target[0].rfile().abspath, "w")
	ocarina="ocarina"
	saria="saria"
	if DEBUG == True:
		ocarina = ocarina + "-debug"
		saria = saria + "-debug"
	for line in open(source[0].rfile().abspath):
		line = line.replace("%%BIN%%", baselib + "/ocarina.bin")
		line = line.replace("%%OCARINA%%", ocarina)
		line = line.replace("%%SARIA%%", saria)
		f.write(line)
	f.close()

for script in scripts:
	if script[0] == ".":
		continue
	src = "scripts/" + script
	dst = bin + script.replace("ocarina", "ocarina" + POSTFIX)
	env.Command(dst, src, [process_script, Chmod(dst, 0755)])

# Clean up the build directory
Clean(ocarina, ["include/version.h"])

# Create a tarball
def git_archive(target, source, env):
	import os
	version = "%s.%s" % (MAJOR, MINOR)
	if BUG != 0:
		version += ".%s" % BUG
	if EXTRA != "":
		version += "-%s" % EXTRA
	if DEBUG == True:
		version += "-debug"
	ocarina="ocarina-%s" % version
	os.popen("git archive --prefix=%s/ -o %s.tar.gz HEAD" % (ocarina, ocarina))
	print "md5sum:", os.popen("md5sum %s.tar.gz" % ocarina).read()
env.Command("archive", None, [git_archive])