import sys
import os
import os.path
import shutil
import tarfile
import zipfile
import urllib
import platform
import patch

join = os.path.join

class ResourcesEnv(object):

    def __init__(self, src_base):
        self.src_base = src_base
        self.URLS = {}
        self.__init_url()
        self.NORMAL_INSTALL = []
        self.__init_normal_install()

    def get_src_base_path(self, fpath):
        return os.path.abspath(os.path.join(self.src_base, fpath)).replace("\\","/")
    
    def __add_package_def(self, key, setup, url, local):
        self.URLS[key] = {'setup':setup, 'url':url, 'local':self.get_src_base_path(local)}

    def __init_url(self):
        self.__add_package_def('DISTRIBUTE', setup='distribute', url='http://pypi.python.org/packages/source/d/distribute/distribute-0.6.14.tar.gz', local="distribute-0.6.14.tar.gz")
        self.__add_package_def('DJANGO', setup= 'django', url= 'http://www.djangoproject.com/download/1.2.4/tarball/', local="Django-1.2.4.tar.gz")
        self.__add_package_def('JOGGING', setup= 'jogging', url= 'http://github.com/zain/jogging/tarball/v0.2.2', local="jogging-0.2.2.tar.gz")
        self.__add_package_def('DJANGO-EXTENSIONS', setup= 'django-extensions', url='https://github.com/django-extensions/django-extensions/tarball/0.6', local="django-extensions-0.6.tar.gz")
        self.__add_package_def('DJANGO-REGISTRATION', setup= 'django-registration', url='http://bitbucket.org/ubernostrum/django-registration/get/tip.tar.gz', local="django-registration.tar.gz")
        self.__add_package_def('DJANGO-TAGGING', setup= 'django-tagging', url='http://django-tagging.googlecode.com/files/django-tagging-0.3.1.tar.gz', local="django-tagging-0.3.1.tar.gz")
        self.__add_package_def('DJANGO-PISTON', setup= 'django-piston', url=self.get_src_base_path("django-piston-0.2.2-modified.tar.gz"), local="django-piston-0.2.2-modified.tar.gz")
        self.__add_package_def('OAUTH2', setup= 'python-oauth2', url=self.get_src_base_path("python-oauth2-1.2.1-modified.tar.gz"), local="python-oauth2-1.2.1-modified.tar.gz")
        self.__add_package_def('HTTPLIB2', setup= 'python-oauth2', url='http://httplib2.googlecode.com/files/httplib2-0.6.0.tar.gz', local="httplib2-0.6.0.tar.gz")
        self.__add_package_def('DJANGO-OAUTH-PLUS', setup= 'django-oauth-plus', url='http://bitbucket.org/david/django-oauth-plus/get/f314f018e473.gz', local="django-oauth-plus.tar.gz")
        self.__add_package_def('MYSQL', setup= 'mysql-python', url= 'http://sourceforge.net/projects/mysql-python/files/mysql-python/1.2.3/MySQL-python-1.2.3.tar.gz/download', local="MySQL-python-1.2.3.tar.gz")
        self.__add_package_def('SETUPTOOLS-HG', setup='mercurial_hg', url='http://pypi.python.org/packages/source/s/setuptools_hg/setuptools_hg-0.2.tar.gz', local="setuptools_hg-0.2.tar.gz")

        if sys.platform == 'win32':
            self.__add_package_def('PSYCOPG2', setup= 'psycopg2',url= self.get_src_base_path('psycopg2-2.0.10.win32-py2.6-pg8.3.7-release.zip'), local="psycopg2-2.0.10.win32-py2.6-pg8.3.7-release.zip")
            self.__add_package_def('JCC', setup= 'http://pylucene-win32-binary.googlecode.com/files/JCC-2.6-py2.6-win32.egg', local="JCC-2.6-py2.6-win32.egg")
            self.__add_package_def('PYLUCENE', setup= 'http://pylucene-win32-binary.googlecode.com/files/lucene-3.0.2-py2.6-win32.egg', local="lucene-3.0.2-py2.6-win32.egg")
            self.__add_package_def('PIL', setup= 'pil', url= 'http://effbot.org/media/downloads/PIL-1.1.7.win32-py2.6.exe', local="PIL-1.1.7.win32-py2.6.exe")
            self.__add_package_def('LXML', setup= 'lxml', url= 'http://pypi.python.org/packages/2.6/l/lxml/lxml-2.2.8-py2.6-win32.egg', local="lxml-2.2.8-py2.6-win32.egg")        
        else:
            self.__add_package_def('PSYCOPG2', setup= 'psycopg2',url= 'http://initd.org/psycopg/tarballs/PSYCOPG-2-3/psycopg2-2.3.2.tar.gz', local="psycopg2-2.3.2.tar.gz")
            self.__add_package_def('PYLUCENE', setup= 'http://apache.crihan.fr/dist/lucene/pylucene/pylucene-3.0.3-1-src.tar.gz', url= 'http://apache.crihan.fr/dist/lucene/pylucene/pylucene-3.0.3-1-src.tar.gz', local="pylucene-3.0.3-1-src.tar.gz")
            self.__add_package_def('PIL', setup= 'pil', url= 'http://effbot.org/downloads/Imaging-1.1.7.tar.gz', local="Imaging-1.1.7.tar.gz")
            self.__add_package_def('LXML', setup= 'lxml', url=self.get_src_base_path("lxml_2.2.8.tar.gz"), local="lxml-2.2.8.tar.gz")

    def __init_normal_install(self):
        system_str = platform.system()
        self.NORMAL_INSTALL = [ #(key,method, option_str, extra_env)
            ('SETUPTOOLS-HG', 'pip', None, None), 
            ('MYSQL', 'pip', None, None),
            ('PIL', 'easy_install', None, None), 
            ('DJANGO','pip', None, None),
            ('JOGGING','pip', None, None),
            ('DJANGO-EXTENSIONS', 'pip', None, None),
            ('DJANGO-REGISTRATION', 'easy_install', '-Z', None),
            ('DJANGO-TAGGING', 'pip', None, None),
            ('DJANGO-PISTON', 'pip', None, None),
            ('HTTPLIB2', 'pip', None, None),
            ('OAUTH2', 'easy_install', None, None),
            ('DJANGO-OAUTH-PLUS', 'pip', None, None),
        ]
        if system_str == "Windows":
            self.NORMAL_INSTALL.append(('JCC','easy_install',None,None))
            self.NORMAL_INSTALL.append(('PYLUCENE','easy_install',None,None))
             
        if system_str == "Darwin":
            self.NORMAL_INSTALL.append(('LXML', 'pip', None, {'STATIC_DEPS': 'true', 'LIBXML2_VERSION': '2.7.8', 'LIBXSLT_VERSION': '1.1.26'}))
        else:
            self.NORMAL_INSTALL.append(('LXML', 'pip', None, None))
        
        if system_str != "Windows":
            self.NORMAL_INSTALL.append(('PSYCOPG2', 'pip', None, None))

        if system_str == 'Linux':
            self.NORMAL_INSTALL.insert(0, ('DISTRIBUTE', 'pip', None, None))


def generate_install_methods(path_locations, src_base, Logger, call_subprocess):
    
    res_env = ResourcesEnv(src_base)

    def extend_parser(parser):    
        parser.add_option(
            '--index-url',
            metavar='INDEX_URL',
            dest='index_url',
            default='http://pypi.python.org/simple/',
            help='base URL of Python Package Index')
        parser.add_option(
            '--type-install',
            metavar='type_install',
            dest='type_install',
            default='local',
            help='type install : local, url, setup')
        parser.add_option(
            '--ignore-packages',
            metavar='ignore_packages',
            dest='ignore_packages',
            default=None,
            help='list of comma separated keys for package to ignore')
    
    
    def adjust_options(options, args):
        pass
    
    
    def after_install(options, home_dir):
        
        global logger
        
        verbosity = options.verbose - options.quiet
        logger = Logger([(Logger.level_for_integer(2-verbosity), sys.stdout)])

        
        home_dir, lib_dir, inc_dir, bin_dir = path_locations(home_dir)
        base_dir = os.path.dirname(home_dir)
        src_dir = os.path.join(home_dir, 'src')
        tmp_dir = os.path.join(home_dir, 'tmp')
        ensure_dir(src_dir)
        ensure_dir(tmp_dir)
        system_str = platform.system()
        
        res_source_key = options.type_install
        
        ignore_packages = []
        
        if options.ignore_packages :
            ignore_packages = options.ignore_packages.split(",")
        
        logger.indent += 2
        try:
            
            if 'PYLUCENE' not in ignore_packages and system_str != "Windows":
                #get pylucene
                logger.notify("Get Pylucene from %s " % res_env.URLS['PYLUCENE'][res_source_key])
                pylucene_src = os.path.join(src_dir,"pylucene.tar.gz")
                if res_source_key == 'local':
                    shutil.copy(res_env.URLS['PYLUCENE'][res_source_key], pylucene_src)
                else:
                    urllib.urlretrieve(res_env.URLS['PYLUCENE'][res_source_key], pylucene_src)
                tf = tarfile.open(pylucene_src,'r:gz')
                pylucene_base_path = os.path.join(src_dir,"pylucene") 
                logger.notify("Extract Pylucene to %s " % pylucene_base_path)
                tf.extractall(pylucene_base_path)
                tf.close()
                
                pylucene_src_path = os.path.join(pylucene_base_path, os.listdir(pylucene_base_path)[0])
                jcc_src_path = os.path.abspath(os.path.join(pylucene_src_path,"jcc"))
                
                #install jcc
        
                #patch for linux
                if system_str == 'Linux' :
                    olddir = os.getcwd()
                    patch_dest_path = os.path.join(lib_dir,'site-packages','setuptools-0.6c11-py'+'%s.%s' % (sys.version_info[0], sys.version_info[1])+'.egg')
                    if os.path.isfile(patch_dest_path):
                        # must unzip egg
                        # rename file and etract all
                        shutil.move(patch_dest_path, patch_dest_path + ".zip")
                        zf = zipfile.ZipFile(patch_dest_path + ".zip",'r')
                        zf.extractall(patch_dest_path)
                        os.remove(patch_dest_path + ".zip")
                    logger.notify("Patch jcc : %s " % (patch_dest_path))
                    os.chdir(patch_dest_path)
                    p = patch.fromfile(os.path.join(jcc_src_path,"jcc","patches","patch.43.0.6c11"))
                    p.apply()
                    os.chdir(olddir)
        
                logger.notify("Install jcc")
                call_subprocess([os.path.abspath(os.path.join(home_dir, 'bin', 'python')), 'setup.py', 'install'],
                                cwd=jcc_src_path,
                                filter_stdout=filter_python_develop,
                                show_stdout=True)
                #install pylucene
                
                logger.notify("Install pylucene")
                #modify makefile
                makefile_path = os.path.join(pylucene_src_path,"Makefile")
                logger.notify("Modify makefile %s " % makefile_path)
                shutil.move( makefile_path, makefile_path+"~" )
        
                destination= open( makefile_path, "w" )
                source= open( makefile_path+"~", "r" )
                destination.write("PREFIX_PYTHON="+os.path.abspath(home_dir)+"\n")
                destination.write("ANT=ant\n")
                destination.write("PYTHON=$(PREFIX_PYTHON)/bin/python\n")
                
                if system_str == "Darwin":
                    if sys.version_info >= (2,6):
                        destination.write("JCC=$(PYTHON) -m jcc.__main__ --shared --arch x86_64 --arch i386\n")
                    else:
                        destination.write("JCC=$(PYTHON) -m jcc --shared --arch x86_64 --arch i386\n")
                    destination.write("NUM_FILES=2\n")
                elif system_str == "Windows":
                    destination.write("JCC=$(PYTHON) -m jcc.__main__ --shared --arch x86_64 --arch i386\n")
                    destination.write("NUM_FILES=2\n")
                else:
                    if sys.version_info >= (2,6) and sys.version_info <= (2,7):
                        destination.write("JCC=$(PYTHON) -m jcc.__main__ --shared\n")
                    else:
                        destination.write("JCC=$(PYTHON) -m jcc --shared\n")
                    destination.write("NUM_FILES=2\n")
                for line in source:
                    destination.write( line )
                source.close()
                destination.close()
                os.remove(makefile_path+"~" )
        
                logger.notify("pylucene make")
                call_subprocess(['make'],
                                cwd=os.path.abspath(pylucene_src_path),
                                filter_stdout=filter_python_develop,
                                show_stdout=True)
        
                logger.notify("pylucene make install")
                call_subprocess(['make', 'install'],
                                cwd=os.path.abspath(pylucene_src_path),
                                filter_stdout=filter_python_develop,
                                show_stdout=True)
    
    
            if 'PSYCOPG2' not in ignore_packages and system_str == "Windows":
                #get psycopg2
                psycopg2_src = os.path.join(src_dir,"psycopg2.zip")
                shutil.copy(res_env.URLS['PSYCOPG2'][res_source_key], psycopg2_src)
                #extract psycopg2
                zf = zipfile.ZipFile(psycopg2_src)
                psycopg2_base_path = os.path.join(src_dir,"psycopg2")
                zf.extractall(psycopg2_base_path)
                zf.close()
                
                psycopg2_src_path = os.path.join(psycopg2_base_path, os.listdir(psycopg2_base_path)[0])
                shutil.copytree(os.path.join(psycopg2_src_path, 'psycopg2'), os.path.abspath(os.path.join(home_dir, 'Lib', 'psycopg2')))
                shutil.copy(os.path.join(psycopg2_src_path, 'psycopg2-2.0.10-py2.6.egg-info'), os.path.abspath(os.path.join(home_dir, 'Lib', 'site-packages')))
    
            for key, method, option_str, extra_env in res_env.NORMAL_INSTALL:
                if key not in ignore_packages:
                    normal_install(key, method, option_str, extra_env, res_source_key, home_dir, tmp_dir)
                            
            logger.notify("Clear source dir")
            shutil.rmtree(src_dir)
    
        finally:
            logger.indent -= 2
        script_dir = join(base_dir, bin_dir)
        logger.notify('Run "%s Package" to install new packages that provide builds'
                      % join(script_dir, 'easy_install'))
    
    
    def normal_install(key, method, option_str, extra_env, res_source_key, home_dir, tmp_dir):
        global logger
        logger.notify("Install %s from %s with %s" % (key,res_env.URLS[key][res_source_key],method))
        if method == 'pip':
            if sys.platform == 'win32':
                args = [os.path.abspath(os.path.join(home_dir, 'Scripts', 'pip')), 'install', '-E', os.path.abspath(home_dir), res_env.URLS[key][res_source_key]]
            else:
                args = [os.path.abspath(os.path.join(home_dir, 'bin', 'pip')), 'install', '-E', os.path.abspath(home_dir), res_env.URLS[key][res_source_key]]
            if option_str :
                args.insert(4,option_str)
            call_subprocess(args,
                    cwd=os.path.abspath(tmp_dir),
                    filter_stdout=filter_python_develop,
                    show_stdout=True,
                    extra_env=extra_env)
        else:
            if sys.platform == 'win32':
                args = [os.path.abspath(os.path.join(home_dir, 'Scripts', 'easy_install')), res_env.URLS[key][res_source_key]]
            else:
                args = [os.path.abspath(os.path.join(home_dir, 'bin', 'easy_install')), res_env.URLS[key][res_source_key]]
            if option_str :
                args.insert(1,option_str)
            call_subprocess(args,
                    cwd=os.path.abspath(tmp_dir),
                    filter_stdout=filter_python_develop,
                    show_stdout=True,
                    extra_env=extra_env)
        
    
    def ensure_dir(dir):
        global logger
        if not os.path.exists(dir):
            logger.notify('Creating directory %s' % dir)
            os.makedirs(dir)
    
    def filter_python_develop(line):
        if not line.strip():
            return Logger.DEBUG
        for prefix in ['Searching for', 'Reading ', 'Best match: ', 'Processing ',
                       'Moving ', 'Adding ', 'running ', 'writing ', 'Creating ',
                       'creating ', 'Copying ']:
            if line.startswith(prefix):
                return Logger.DEBUG
        return Logger.NOTIFY

    return adjust_options, extend_parser, after_install