# @copyright 2016-2023  Clarity Genomics BVBA
# @copyright 2012-2016  Bonsai Bioinformatics Research Group
# @copyright 2014-2016  Knight Lab, Department of Pediatrics, UCSD, La Jolla
#
# SortMeRNA - next-generation reads filter for metatranscriptomic or total RNA
# This is a free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# SortMeRNA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with SortMeRNA. If not, see <http://www.gnu.org/licenses/>.
#
# contributors: Jenya Kopylova   jenya.kopylov@gmail.com
#			          Laurent Noé      laurent.noe@lifl.fr
#			          Pierre Pericard  pierre.pericard@lifl.fr
#			          Daniel McDonald  wasade@gmail.com
#			          Mikaël Salson    mikael.salson@lifl.fr
#			          Hélène Touzet    helene.touzet@lifl.fr
#			          Rob Knight       robknight@ucsd.edu

'''
file: setup.py
created: Jul 31, 2019 Wed

Dependencies:
  conda install pyyaml jinja2 requests
'''
import os
import sys
import subprocess
import platform
from optparse import OptionParser
import requests
import tarfile
import re
import fileinput
#import json
import yaml
from jinja2 import Environment, FileSystemLoader
from pathlib import Path
import zipfile
import time
import shutil
from io import BytesIO

#pkn = __name__.split('.')[-1]
# define platform
pf = platform.platform()
IS_WIN = 'Windows' in pf
IS_WSL = 'Linux' in pf and 'Microsoft' in pf # Windows Subsystem for Linux (WSL)
IS_LNX = 'Linux' in pf and not 'Microsoft' in pf
IS_OSX = 'macOS' in pf
MY_OS = 'WIN' if IS_WIN else 'LIN' if IS_LNX else 'WSL' if IS_WSL else 'OSX' if IS_OSX else None
if not MY_OS:
    print(f'[setup.py] Unexpected platform: {pf}')
    sys.exit(1)
else:
    print(f'[setup.py] running on: {pf}, id: {MY_OS}')

modfunc = {} # holds refs to functions in this module

# globals
SMR     = 'sortmerna'
ZLIB    = 'zlib'
ROCKS   = 'rocksdb'
#RAPID   = 'rapidjson'
DIRENT  = 'dirent'
CMAKE   = 'cmake'
CONDA   = 'conda'
ALL     = 'all'
CCQUEUE = 'concurrentqueue'

ENV = None # WIN | WSL | LNX_AWS | LNX_TRAVIS
UHOME = os.environ['USERPROFILE'] if IS_WIN else os.environ['HOME']

def test():
    '''
    '''
    print(os.path.dirname(os.path.realpath(__file__)))
    print(os.getcwd())
#END test
    
def load_tar(url, tgtd):
    '''
    '''
    ST = '[load_tar]'
    ret = {'result': True}
    # check path already exists
    if Path(tgtd).exists():
        msg = f'{ST} directory already exists {tgtd}. Skipping download'
        print(msg)
        ret['stdout'] = msg
    else:
        try:
            with requests.get(url) as res:
                tf = tarfile.open(mode='r:gz', fileobj=BytesIO(res.content))
                pp = Path(tgtd).parent / tf.firstmember.name
                msg = f'{ST} extracting into: {pp}'
                tf.extractall(Path(tgtd).parent) # -> e.g. ./3rdparty/rocksdb-7.10.2 35.7 MB
                ppn = pp.replace(Path(tgtd))
                msg += f'\n{ST} moved {pp} -> {ppn}'
                ret['stdout'] = msg
                print(msg)
        except Exception as ex:
            ret['result'] = False
            ret['stderr'] = f'{ex}'
    return ret

def git_clone(url, repo_dir, commit='master', shallow=False, force=False):
    '''
    clone a git repo if not already existing

    :param str url    url to clone
    :param str repo_dir   directory where to clone
    '''
    ST = '[git_clone]'
    ret = {}
    # make sure parent directory where to clone exists
    if not os.path.exists(os.path.split(repo_dir)[0]):
        os.makedirs(os.path.dirname(repo_dir)) # create parent repo

    # check clone already exists
    if os.path.exists(repo_dir) and os.path.exists(os.path.join(repo_dir, '.git')):
        print('{} git clone already exists: {}'.format(ST, repo_dir))
        cmd = ['git', 'status']
        ret = proc_run(cmd, repo_dir)
    else: # do clone
        cmd = [ 'git', 'clone', url, repo_dir]
        ret = proc_run(cmd)
    return ret
#END git_clone  

def conda_install(dir=None, force=False, clean=False, **cfg):
    '''
    :param cfg   Config dictionary
    :param dir   installation root dir. Default: User Home

    pip install -U pyyaml
    pip install -U Jinja2
    '''
    ST = '[conda_install]'
    dir = dir or UHOME
    fsh = 'miniconda.sh'
    is_install_ok = False
    #os.chdir(dir)
    # check already installed
    bin_conda = os.path.join(dir, 'miniconda3', 'bin')
    if os.path.exists(bin_conda):
        cmd = ['python', '--version']
        ret = proc_run(cmd, bin_conda, True)
        if not ret['retcode']:
            print('{} Conda already installed: {} : {}'.format(ST, bin_conda, ret['stdout']))
            if force:
                print('{} TODO: Force specified - removing the existing installation: {}'.format(ST, bin_conda))
            return

    # download the installer if not already present
    if not os.path.exists(os.path.join(dir, fsh)):
        url_conda = cfg[CONDA]['url'][MY_OS]
        #if sys.version_info[1] < 7:
            # 'Mozilla/5.0 (Windows NT 6.1; Win64; x64)'
        #    req = urllib.request.Request(url_conda, headers={'User-Agent': 'Mozilla/5.0'})
        #else:
            # this works with conda but not standard python3
        #    req = url_conda

        print('{} Loading Conda from url: {}'.format(ST, url_conda))
        try:
            req = requests.get(url_conda, allow_redirects=True)
            #with urllib.request.urlopen(req) as surl:
            with open(fsh, 'wb') as fp:
                fp.write(req.content) # loads the file into memory before writing to disk. No good for very big files.
        except:
            print('{} Exception getting Conda distro: {} {}'.format(ST, sys.exc_info()[1], sys.exc_info()[0]))
            sys.exit(1)

    # run the installer
    if os.path.exists(os.path.join(dir, fsh)):
        cmd = ['bash', fsh, '-b']
        #cmd = ['bash', fsh, '-b', '-p', '{}/miniconda'.format(dir)]
        proc_run(cmd, dir)

        # delete the installer
        if clean:
            print('{} Deleting the installer {}'.format(ST, os.path.join(dir, fsh)))
            os.remove(os.path.join(dir, fsh))

        print('{} Installed conda in {}'.format(ST, os.path.join(dir, 'miniconda3')))

        # install packages required to use sortmerna's build.py
        print('{} Installing PyYaml package'.format(ST))
        bin_pip = os.path.join(bin_conda, 'pip')
        cmd = [bin_pip, 'install', 'pyyaml']
        proc_run(cmd, bin_conda)

        print('{} Installing Jinja2 package'.format(ST))
        cmd = [bin_pip, 'install', 'jinja2']
        proc_run(cmd, bin_conda)

        print('{} Installing NumPy package'.format(ST))
        cmd = [bin_pip, 'install', 'numpy']
        proc_run(cmd, bin_conda)

        print('{} Installing scikit-bio package'.format(ST))
        cmd = [bin_pip, 'install', 'scikit-bio']
        proc_run(cmd, bin_conda)
    else:
        print('{} Conda installer not found - likely failed to download'.format(ST))

    print('{} Done'.format(ST))
#END conda_install

def cmake_install(dir=None, force=False, **cfg):
    '''
    :param dict cfg configuration dict
    :param str dir installation directory. Default User Home

    Download and extract CMake release archive
    python build.py --name cmake
    '''
    ST = '[cmake_install]'
    is_installed = False
    cmake_cfg = cfg.get(CMAKE)
    url = cmake_cfg['url'][MY_OS]
    zipped = url.split('/')[-1] # tar.gz or zip
    env = cfg.get('env')
    cmake_home = cmake_cfg.get('home',{}).get(env)
    #cmake_home = val if val else os.path.join(UHOME, 'cmake-{}-win64-x64'.format(cmake_cfg.get('ver')))
    #                                          |_ default         
    # check already installed
    cmake_bin = '{}/bin/cmake'.format(cmake_home)
    if IS_WIN: cmake_bin = '{}.exe'.format(cmake_bin)
    if os.path.exists(cmake_bin):
        print('{} Cmake is already installed: {}'.format(ST, cmake_bin))
        if not force:
            is_installed = True

    if not is_installed:
        print('{} CMake not found at: {} - installing'.format(ST, cmake_bin))
        os.chdir(Path(cmake_home).parent.as_posix()) # navigate to the parent dir e.g. installation root (pathlib)
        # download the installer if not already present
        if not os.path.exists(zipped):
            # load file from URL
            req = requests.get(url, allow_redirects=True)
            try:
                #with urllib.request.urlopen(url) as surl:
                with open(zipped, 'wb') as fp:
                    fp.write(req.content) # loads all file into memory first before writing to disk. No good for very big files.
            except:
                print('{} Exception getting CMake distro: {} {}'.format(ST, sys.exc_info()[1], sys.exc_info()[0]))
                sys.exit(1)

        # extract archive
        ext = os.path.splitext(zipped)[1]
        if '.gz' == ext:
            tar = tarfile.open(zipped)
            tar.extractall()
            tar.close()
        elif '.zip' == ext: 
            with zipfile.ZipFile(zipped, 'r') as fp:
                fp.extractall(os.curdir)

        # delete archive
        os.remove(zipped)

        # Verify installation
        if os.path.exists(cmake_bin):
            print('{} Installed CMake {}'.format(ST, cmake_bin))
        else:
            print('{} Failed to install CMake {}'.format(ST, cmake_bin))

        # copy binarties to HOME/bin to avoid setting the PATH
        #if IS_LNX:
        #    copy_tree('{}/bin'.format(cmake_home), '{}/bin'.format(UHOME))
    #os.environ('PATH') 
#END cmake_install

def gcc_install(**cfg):
    '''
    sudo add-apt-repository ppa:ubuntu-toolchain-r/test
    sudo apt update
    sudo apt install gcc-7 g++-7
    sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 60 --slave /usr/bin/g++ g++ /usr/bin/g++-7
                                           |         |         |        |_priority
                                           |         |         |_path (target)
                                           |         |_name of the symlink (alias)
                                           |_link
    sudo update-alternatives --install /usr/bin/cpp cpp-bin /usr/bin/cpp-9 60
    '''
    ST = '[gcc_install]'
    GCC_MINVER = 9
    is_gcc = False
    if shutil.which('gcc'):
        cmd = ['gcc', '--version']
        ret = proc_run(cmd, capture=True)
        if ret['retcode'] == 0:
            gccver = ret['stdout'].decode('utf-8').split('\n')[0].split()[3].split('.')[0]
            if int(gccver) >= GCC_MINVER:
                print(f'{ST} gcc version {gccver} found - OK')
                is_gcc = True
    if not is_gcc:
        print(f'{ST} gcc is not found. Please, install prior using this script')
#END gcc_install

def make_install(**cfg):
    '''
    TODO
    sudo apt install make
    '''
    ...
#END make_install

def git_install(**cfg):
    '''
    '''
    cmd = ['apt', 'policy', 'git']
    proc_run(cmd)

def clean(dir):
    '''
    :param str dir  Directory to clean

    remove content of the given directory.
    '''
    cmd = ['rm', '-rf', './*']
    ret = proc_run(cmd, dir)
    return ret
#END clean

def proc_run(cmd, cwd=None, capture=False):
    '''
    :param list cmd      command to execute
    :param str cwd       CWD
    :param bool capture  capture the output
    '''
    ST = '[proc_run]'
    ret = {'retcode':0, 'stdout':None, 'stderr':None}
    spr = '==========================================================='

    cwdp = cwd or Path().resolve()
    print('{} Running in {}:\n{}\n{}\n{}'.format(ST, cwdp, spr, ' '.join(cmd), spr))

    start = time.time()
    # print compiler version e.g. 'Microsoft (R) C/C++ Optimizing Compiler Version 19.16.27031.1 for x86'
    #"%VS_HOME%"\bin\Hostx86\x86\cl.exe
    # check executable
    if shutil.which(cmd[0]):
        try:
            if cwd:
                if not os.path.exists(cwd):
                    os.makedirs(cwd)
                if sys.version_info[1] > 6:
                    proc = subprocess.run(cmd, cwd=cwd, capture_output=capture)
                else:
                    proc = subprocess.run(cmd, cwd=cwd)
            else:
                if sys.version_info[1] > 6:
                    proc = subprocess.run(cmd, capture_output=capture)
                else:
                    proc = subprocess.run(cmd)

            if proc.returncode:
                for info in sys.exc_info(): print(info)
            ret['retcode'] = proc.returncode
            if capture:
                ret['stdout'] = proc.stdout
                ret['stderr'] = proc.stderr
        except OSError as err:
            print(err)
            ret['retcode'] = 1
            ret['stderr'] = err
        except:
            for info in sys.exc_info(): print(info)
            ret['retcode'] = 1
            ret['stderr'] = sys.exc_info()

        print("{} Run time: {}".format(ST, time.time() - start))
    else:
        msg = '{} Executable {} not found'.format(ST, cmd[0])
        ret['retcode'] = 1
        ret['stderr'] = msg
        print(msg)
    return ret
#END proc_run

def zlib_build(**kwargs):
    '''
    args:
      - url
      - path str              local filesystem directory where to clone the repo
      - commit str            git commit
      - cmake_build_type str  Build type Relase | Debug | ..
      - ptype str             Linkage type like statuc, dynamic, mixed
      - is_git bool           use git as source. Otherwise - archive (.tar.gz)
    '''
    is_git = kwargs.get('is_git', False)
    url = kwargs.get('url') if is_git else kwargs.get('url2')
    path = kwargs.get('path')
    commit = kwargs.get('commit')
    shallow = kwargs.get('shallow')
    btype = kwargs.get('cmake_build_type', 'Release')
    gen = kwargs.get('cmake_gen', 'Ninja Multi-Config')
    ret = git_clone(url, path, commit=commit) if is_git else load_tar(url, path) # URL_ZLIB
    # cmake configure
    # set CMAKE_INSTALL_PREFIX here because original zlib CMakeLists.txt uses it
    # to set cache variables used in installation at configure time (not a good solution).
    # Instead the relative paths should be used, and CMake will add the prefix during installation automatically).
    # https://discourse.cmake.org/t/cmake-install-prefix-not-work
    # https://github.com/madler/zlib/pull/170 <- PR to fix zlib CMakeLists.txt (never merged)
    pfx = kwargs.get('dist') or Path(f'build/{path}/dist').absolute()
    #pfx = kwargs.get('dist') or os.path.abspath(f'build/{path}/dist').replace('\\', '/')
    cmd = ['cmake', '-S', path, '-B', f'build/{path}', '-G', gen, '--fresh', '-D', f'CMAKE_INSTALL_PREFIX={pfx}']
    ret = proc_run(cmd)
    # cmake build
    if ret['retcode'] == 0:
        cmd = [ 'cmake', '--build', f'build/{path}', '--target', 'install', '--config', btype]
        proc_run(cmd)
    return ret
#END zlib_build

"""def rapidjson_build(btype='Release'):
    '''
    '''
    BUILD_EXAMPLES = 0
    BUILD_DOC = 0
    
    git_clone(URL_RAPID, LIB_DIR)

    cmd = [
        'cmake', '-G', CMAKE_GEN,
        f'-DRAPIDJSON_BUILD_EXAMPLES={BUILD_EXAMPLES}',
        f'-DRAPIDJSON_BUILD_DOC={BUILD_DOC}',
        f'-DCMAKE_INSTALL_PREFIX={RAPID_DIST}', 
        RAPID_SRC
    ]
    proc_run(cmd, RAPID_BUILD)

    cmd = [ 'cmake', '--build', '.', '--config', btype, '--target', 'install' ]
    proc_run(cmd, RAPID_BUILD)
#END rapidjson_build
"""

def rocksdb_modify_3party_zlib(link_type='t1', **kwargs):
    '''
    modify 'thirdparty.inc' config file provided with RocksDb distro to point to zlib installation
    only used on Windows

    :param str ptype  library linkage type as in 'env.jinja.yaml:rocksdb:link:win:t3'
    :param dict cfg   build configuration from 'env.jinja.yaml'

    '''
    ST = '[rocksdb_modify_3party_zlib]'
    if not IS_WIN:
        print('{} not used on Non-Windows'.format(ST))
        return

    print('{} fixing \'thirdparty.inc\' for linkage type [{}] on Windows'.format(ST, link_type))
    link_type = kwargs.get(ROCKS,{}).get('link.type', {}).get('windows',{}).get(link_type,{})
    zlib_rel = link_type.get('zlib.release')  # cfg[ROCKS]['link']['WIN'][ptype]['ZLIB_LIB_RELEASE']
    zlib_dbg = link_type.get('zlib.debug')  # cfg[ROCKS]['link']['WIN'][ptype]['ZLIB_LIB_DEBUG']
    file3p = os.path.join(kwargs.get(ROCKS).get('path'), 'thirdparty.inc')
    zlib_dist = kwargs.get('zlib',{}).get('dist')

    for line in fileinput.FileInput(file3p, inplace=True):
        if line.startswith('set(ZLIB_HOME'):
            line = re.sub(r'ZLIB_HOME .*\)', r'ZLIB_HOME {})'.format(zlib_dist), line, flags = re.M)
        if line.startswith('set(ZLIB_INCLUDE'):
            line = re.sub(r'ZLIB_INCLUDE .*\)', r'ZLIB_INCLUDE ${ZLIB_HOME}/include)', line, flags = re.M)
        if line.startswith('set(ZLIB_LIB_DEBUG'):
            line = re.sub(r'ZLIB_LIB_DEBUG .*\)', r'ZLIB_LIB_DEBUG ${{ZLIB_HOME}}/lib/{})'.format(zlib_dbg), line, flags = re.M)
        if line.startswith('set(ZLIB_LIB_RELEASE'):
            line = re.sub(r'ZLIB_LIB_RELEASE .*\)', r'ZLIB_LIB_RELEASE ${{ZLIB_HOME}}/lib/{})'.format(zlib_rel), line, flags = re.M)
        sys.stdout.write(line)
   
    #mo = re.search(r'ZLIB_HOME .*\)+?', txt)
    #txtn = re.sub(r'ZLIB_HOME .*\)+?', r'ZLIB_HOME {})'.format(ZLIB_DIST.replace('\\', '/')), txt, flags = re.M)
    #txtn = re.sub(r'ZLIB_INCLUDE .*\)+?', r'ZLIB_INCLUDE ${ZLIB_HOME}/include)', txtn, flags = re.M)
    #txtn = re.sub(r'ZLIB_LIB_DEBUG .*\)', r'ZLIB_LIB_DEBUG ${{ZLIB_HOME}}/lib/{})'.format(lib_dbg), txtn, flags = re.M)
    #txtn = re.sub(r'ZLIB_LIB_RELEASE .*\)', r'ZLIB_LIB_RELEASE ${{ZLIB_HOME}}/lib/{})'.format(lib_rel), txtn, flags = re.M)
#END rocksdb_fix_3party
    
def rocksdb_build(link_type='t1', **kwargs): # ver=None, btype='Release', ptype='t3', **cfg
    '''
    :param str btype  build type Release | Debug
    :param str ptype  Linkage type on Windows t1 | t2 | t3

    NOTE: on Windows 'thridparty.inc' file has to be modified.
    '''
    ST = '[rocksdb_build]'
    print(f'{ST} started')
    is_git = kwargs.get(ROCKS).get('is_git', False)
    url = kwargs.get(ROCKS).get('url') if is_git else kwargs.get(ROCKS).get('url2')
    path = kwargs.get(ROCKS).get('path')
    commit = kwargs.get(ROCKS).get('commit')
    shallow = kwargs.get(ROCKS).get('shallow')
    btype = kwargs.get(ROCKS).get('cmake_build_type', 'Release')
    presets_file = kwargs.get(ROCKS).get('preset')
    zlib_dist = kwargs.get(ZLIB).get('dist')
    ret = git_clone(url, path, commit=commit) if is_git else load_tar(url, path)

    if is_git:
        cmd = ['git', 'checkout', commit] if commit  else ['git', 'checkout', 'master']
        ret = proc_run(cmd, path)

        cmd = ['git', 'rev-parse', 'HEAD']
        ret = proc_run(cmd, path, capture=True)
        chash = ret.get('stdout')
        print(f'{ST} building commit: {chash}')

    if IS_WIN:
        rocksdb_modify_3party_zlib(link_type, **kwargs)

    # copy presets file
    src = os.path.abspath(presets_file)
    dst = os.path.abspath(f'{path}/CMakePresets.json')
    print(f'{ST} copying {src} -> {dst}')
    ret = shutil.copyfile(presets_file, f'{path}/CMakePresets.json')

    dist_path = os.path.abspath(f'build/{path}/dist').replace('\\','/')
    bt = btype.lower()
    cmd = [
        'cmake', '-S', path, '-B', f'build/{path}',
        '--preset', f'{MY_OS}_{bt}',
        f'-DCMAKE_INSTALL_PREFIX={dist_path}',
        f'-DZLIB_ROOT={zlib_dist}',
        '--fresh'
    ]
    ret = proc_run(cmd)

    if ret['retcode'] == 0:
        cmd = [ 'cmake', '--build', f'build/{path}', '--config', btype, '--target', 'install' ]
        ret = proc_run(cmd)
    else:
        print(f'{ST} failed to build')
    return ret
#END rocksdb_build

def smr_build(ver=None, btype='release', link_type='t1', **kwargs):
    '''
    build sortmerna using CMake with CMakePresets.json
    CMake flags mostly specified in presets - no need here

    :param str ver        git commit/tag - default master
    :param str btype      Build type Release | Debug
    :param str link_type  Linking type: t1 | t2 | t3
                            t1 all static
                            t2 static 3rd party + dynamic runtime
                            t3 all dynamic
    '''
    ST = '[smr_build]'

    if ver and Path('.git').exists():
        cmd = ['git', 'checkout', ver]
        proc_run(cmd)

    # list available presets
    cmd = ['cmake', '--list-presets']
    ret = proc_run(cmd, capture=True)
    if bool(ret.get('retcode')):
        print(ret)
        return

    presets = []
    if ret.get('stdout'):
        ol = ret.get('stdout').decode('utf8').replace('"','').split('\n')
        presets = [l.strip() for l in ol if l.strip()][1:]

    # cmake preset e.g. LIN_release | WIN_release
    preset = f'LIN_{btype}' if IS_LNX or IS_WSL else f'WIN_{btype}'
    if preset not in presets:
        print('{} preset {} not found in available presets: {}'.format(ST, preset, presets))
        return
    
    # generate CMake configuration
    # cmake -S . --preset LIN_Release
    cmd = ['cmake', '-S', '.', '--preset', preset]
    if opts.vb:
        cmd.append('-DCMAKE_EXPORT_COMPILE_COMMANDS=1')
    if opts.loglevel:
        cmd.append('--loglevel={}'.format(opts.loglevel.upper()))
    elif opts.trace:
        cmd.append('--trace')
    ret = proc_run(cmd)

    # build and install
    cmd = [ 'cmake', '--build', '--preset', preset, '--target', 'install' ]
    ret = proc_run(cmd)

    # generate installation package
    if ret['retcode'] == 0:
        cmd = [ 'cmake', '--build', '--preset', preset, '--target', 'package' ]
        ret = proc_run(cmd)

    # test  CMAKE_INSTALL_PREFIX/bin/sortmerna --version
    exe = 'sortmerna.exe' if IS_WIN else 'sortmerna'
    if ret['retcode'] == 0:
        cmd = [ f'dist/bin/{exe}', '--version' ]
        ret = proc_run(cmd)
    if ret['retcode'] == 0:
        cmd = [ f'dist/bin/{exe}', '-h' ]
        ret = proc_run(cmd)
    return ret
#END smr_build

def concurrentqueue_build(**kwargs):
    '''
    a single header file - just clone and use
    '''
    url = kwargs.get(CCQUEUE).get('url')
    path = kwargs.get(CCQUEUE).get('path')
    commit = kwargs.get(CCQUEUE).get('commit')
    shallow = kwargs.get(CCQUEUE).get('shallow')
    ret = git_clone(url, path, commit=commit, shallow=shallow)
    return ret
#END concurrentqueue_build

def env_check(**cfg):
    '''
    verify all pre-requisit packages/tools are present

    :param dict cfg
    '''
    for env in cfg.get('env.config',[]):
        if ENV in env.get('env', []):
            for pkg in env.get('packages',[]):
                funstr = f'{pkg}_install'
                fun = modfunc.get(funstr)
                ret = fun(**cfg)
            condapkgs = ' '.join(env.get('conda.packages',[]))
            if condapkgs:
                cmd =  f'conda install {condapkgs}'
                ret = proc_run(cmd)
            break
#END env_check

modfunc['git_install'] = git_install
modfunc['conda_install'] = conda_install
modfunc['gcc_install'] = gcc_install
modfunc['cmake_install'] = cmake_install

if __name__ == "__main__":
    '''
    python setup.py -n all         build zlib + rocksdb + smr
    python setup.py -n sortmerna   build smr
    python setup.py -n sortmerna [--cmake-preset <preset>]  TODO
    python setup.py -n zlib        build zlib
    python setup.py -n rocksdb     build rocksdb

    python setup.py -n conda       install conda  TODO
    python setup.py -n cmake       install cmake  TODO
    '''
    ST = '[setup.py:__main__]'
    is_opts_ok = True

    # options
    optpar = OptionParser()
    optpar.add_option('-n', '--name', dest='name', 
        help='Package to build/process e.g. sortmerna | zlib | rocksdb | rapidjson | conda | all')
    optpar.add_option('--zlib-dist', dest='zlib_dist', help='ZLib installation directory')
    optpar.add_option('--zlib-git', action="store_true", help='use zlib git repo as source. Otherwise tarball')
    optpar.add_option('--rocksdb-dist', dest='rocksdb_dist', help='ROcksDB installation directory')
    optpar.add_option('--rocksdb-git', action="store_true", help='use rocksdb git repo as source. Otherwise tarball')
    optpar.add_option('--build-dev', action="store_true", help='run build in development mode using git repos')
    optpar.add_option('--concurrentqueue-dist', dest='concurrentqueue_dist', help='concurrentqueue installation directory')
    optpar.add_option('-e', '--envn', dest='envname', 
        help=('Name of environment: WIN | WSL | LIN .. see env.jinja:env.list'))
    optpar.add_option('--clone', action="store_true", help='Perform git clone for the given name')
    optpar.add_option('-c', '--clean', action="store_true", help='clean build directory for the given name')
    optpar.add_option('-b', '--btype', dest='btype', default='release', help = 'Build type: release | debug')
    optpar.add_option('--pt_smr', dest='pt_smr', default='t1', help = 'Sortmerna Linkage type t1 | t2 | t3')
    optpar.add_option('--pt_zlib', dest='pt_zlib', help = 'Zlib Linkage type t1 | t2 | t3')
    optpar.add_option('--pt_rocks', dest='pt_rocks', help = 'Rocksdb Linkage type t1 | t2 | t3')
    optpar.add_option('--rocks3p', dest='rocks3p', help='Fix thirdparty.inc when building Rocksb')
    optpar.add_option('--winhome', dest='winhome', 
                help='when building on WSL - home directory on Windows side e.g. /mnt/c/Users/XX')
    optpar.add_option('--trace', action="store_true", help='Run cmake with --trace')
    optpar.add_option('--loglevel', dest='loglevel', help = 'Cmake log level')
    optpar.add_option('--vb', action="store_true", help='Export compile commands')
    optpar.add_option('--env', dest='envfile', help='Env configuration file.')
    optpar.add_option('--config', dest='config', help='Build configuration file.')
    optpar.add_option('--build-dir', dest='build_dir', help='Build directory.')
    optpar.add_option('--dist-dir', dest='dist_dir', help='Distro directory.')
    optpar.add_option('--local-linux', dest='local_linux', action='store_true', help='Perform the build on local source files in the current working directory.')
    optpar.add_option('--cmake-preset', dest='cmake_preset', help='CMake preset')
    (opts, args) = optpar.parse_args()

    cur_dir = os.path.dirname(os.path.realpath(__file__)) # directory where this script is located
    print(f'{ST} Current dir: {cur_dir}')

    print(f'{ST} loading configuration from 3rdparty.jinja')
    envjn = Environment(loader=FileSystemLoader('.'), trim_blocks=True, lstrip_blocks=True)
    thirdparty_jinja = envjn.get_template('3rdparty.jinja')
    # zlib
    vars = { 'zlib_dist': opts.zlib_dist} if opts.zlib_dist else {}
    # rocksdb
    if opts.rocksdb_dist:
        vars['rocksdb_dist'] = opts.rocksdb_dist
    # concurrentqueue
    if opts.concurrentqueue_dist:
        vars['concurrentqueue_dist'] = opts.concurrentqueue_dist

    jinja_str = thirdparty_jinja.render(vars)
    third_party_data = yaml.load(jinja_str, Loader=yaml.FullLoader) # render jinja template
    # set zlib and rocksdb default roots if not provided through options
    if not third_party_data.get('zlib',{}).get('dist'):
        pp = third_party_data['zlib']['path']
        third_party_data['zlib']['dist'] = os.path.abspath(f'build/{pp}/dist').replace('\\', '/')
    if not third_party_data.get('rocksdb',{}).get('dist'):
        pp = third_party_data['rocksdb']['path']
        third_party_data['rocksdb']['dist'] = os.path.abspath(f'build/{pp}/dist').replace('\\', '/')
    if not third_party_data.get('concurrentqueue',{}).get('dist'):
        pp = third_party_data['concurrentqueue']['path']
        third_party_data['concurrentqueue']['dist'] = os.path.abspath(f'{pp}').replace('\\', '/')
    
    opts.name = opts.name or ALL
    if opts.name in [ALL]:
        if opts.clean:
            ret = clean('build')
        if not opts.cmake_preset:
            opts.cmake_preset = 'WIN_release' if IS_WIN else 'LIN_release'
        kw = third_party_data.get(ZLIB,{})
        if opts.zlib_git or opts.build_dev:
            kw['is_git'] = True
        ret = zlib_build(**kw)
        if ret['retcode'] == 0:
            if opts.rocksdb_git or opts.build_dev:
                third_party_data['rocksdb']['is_git'] = True
            ret = rocksdb_build(**third_party_data) # ROCKS_VER, cfg=env
        if ret['retcode'] == 0:
            ret = concurrentqueue_build(**third_party_data)
        if ret['retcode'] == 0:
            ret = smr_build(**third_party_data)
    elif opts.name == ZLIB:
        kw = third_party_data.get(ZLIB,{})
        zlib_build(**kw)
    elif opts.name == ROCKS:
        if opts.clean:
            ...
        rocksdb_build(**third_party_data)
    elif opts.name in [SMR]:
        if opts.clean:
            ...
        smr_build(**third_party_data)
    elif opts.name == CCQUEUE: 
        concurrentqueue_build(**third_party_data)
    elif opts.name == DIRENT: 
        url = third_party_data[DIRENT].get('url')
        path = third_party_data[DIRENT].get('path')
        commit = third_party_data[DIRENT].get('commit')
        shallow = third_party_data[DIRENT].get('shallow')
        git_clone(url, path, commit=commit, shallow=shallow) 
    elif opts.name == CMAKE: 
        if opts.clone:
            ... #git_clone(env[CMAKE]['url'], LIB_DIR)
        ... #cmake_install(**env) 
    elif opts.name == CONDA: 
        ... #conda_install(**env) 
    #elif opts.name == RAPID: 
        #rapidjson_build()
    else: test()
#END main

#END END