#! /usr/bin/env python3
import time
import sys
import os
import subprocess
from subprocess import call 

def callWithShell(cmd):
    process = subprocess.Popen(cmd, shell=True)
    process.wait()
    #call(cmd,shell=True)

#if an argument is being passed @ 1, then try to set as _SUDO
_SUDO= ''
try:
    _SUDO=sys.argv[1]
except Exception:
    pass

# exit on non-zero return
callWithShell("set -e")

#BUILD_TYPE="AUTOTOOLS"
#BUILD_TYPE="CMAKE"
BUILD_TYPE="MAKE"

LIBRARY_NAME="geographiclib"
LIBRARY_FOLDER_NAME="geographiclib"
SOURCE_ARCHIVE_FILE="GeographicLib-1.49.zip"
SOURCE_ARCHIVE_ADDRESS="https://sourceforge.net/projects/geographiclib/files/distrib/"
SOURCE_FOLDER_NAME="GeographicLib-1.49"
print("Making Dirs")
sys.stdout.flush()
CWD=os.getcwd()
callWithShell("mkdir -p ./{}".format(LIBRARY_FOLDER_NAME))
os.chdir(LIBRARY_FOLDER_NAME)

if (os.path.isfile(SOURCE_ARCHIVE_FILE)):
    print("*** {}:: Archive File ({}) Exists, Skipping Source Fetch! ***".format(LIBRARY_NAME,SOURCE_ARCHIVE_FILE))
    sys.stdout.flush()
else:
    print("Fetching Source")
    sys.stdout.flush()
    callWithShell("wget {}{}".format(SOURCE_ARCHIVE_ADDRESS, SOURCE_ARCHIVE_FILE))

print( "Unpacking...")
sys.stdout.flush()
callWithShell("unzip -o {}".format(SOURCE_ARCHIVE_FILE))

# change to the source directory
os.chdir(SOURCE_FOLDER_NAME)

print( "Building...")
sys.stdout.flush()

if ( BUILD_TYPE == "CMAKE" ):
	callWithShell("mkdir -p ./build")
	os.chdir("./build")
	callWithShell("cmake ..")
	callWithShell("make -j8; make")
	print( "Installing...")
    sys.stdout.flush()
	callWithShell("{} make install".format(_SUDO))
elif ( BUILD_TYPE == "AUTOTOOLS" ):
	callWithShell("./autogen.sh")
	callWithShell("./configure && make check")
	print( "Installing..." )
	callWithShell("{} make install".format(_SUDO))
	callWithShell("{} ldconfig".format(_SUDO))
elif (BUILD_TYPE == "MAKE"):
	callWithShell("make")
	callWithShell("{} make install".format(_SUDO)
else
	print( "!!! UNKNOWN BUILD TYPE [{}]".format(BUILD_TYPE))
    sys.stdout.flush()

print( "Install data..." )
callWithShell("{} geographiclib-get-geoids best".format(_SUDO))


print("Cleaning up...")
sys.stdout.flush()
os.chdir(CWD)

# uncomment the following line to remove source code
#callWithShell("rm -rf ./{}".format(LIBRARY_FOLDER_NAME))


print("Finished!")