'''
Routines to manage the setup and invocation of pyinstaller
'''
# Import python libs
import os
import subprocess
import shutil


SPEC = '''# -*- mode: python ; coding: utf-8 -*-

block_cipher = None


a = Analysis([r'{s_path}'],
             pathex=[r'{cwd}'],
             binaries=[],
             datas={datas},
             hiddenimports={imports},
             hookspath=[],
             runtime_hooks=[],
             excludes=[],
             win_no_prefer_redirects=False,
             win_private_assemblies=False,
             cipher=block_cipher,
             noarchive=False)
pyz = PYZ(a.pure, a.zipped_data,
             cipher=block_cipher)
exe = EXE(pyz,
          a.scripts,
          a.binaries,
          a.zipfiles,
          a.datas,
          [],
          name=r'{name}',
          debug=False,
          bootloader_ignore_signals=False,
          strip=False,
          upx=True,
          upx_exclude=[],
          runtime_tmpdir=None,
          console=True )
'''


def mk_spec(hub, bname):
    '''
    Create a spec file to build from
    '''
    opts = hub.popbuild.BUILDS[bname]
    datas = []
    imps = []
    kwargs = {
            's_path': opts['s_path'],
            'cwd': os.getcwd(),
            'name': opts['name'],
            }
    for imp in opts['imports']:
        imp = imp.replace('\\', '\\\\')
        imps.append(imp)
    for data in opts['datas']:
        src, dst = data.split(os.pathsep)
        src = src.replace('\\', '\\\\')
        dst = dst.replace('\\', '\\\\')
        datas.append((src, dst))
    kwargs['datas'] = datas.__repr__()
    kwargs['imports'] = imps.__repr__()
    spec = SPEC.format(**kwargs)
    with open(opts['spec'], 'w+') as wfh:
        wfh.write(spec)
    opts['cmd'] += f' {opts["spec"]}'


def call(hub, bname):
    opts = hub.popbuild.BUILDS[bname]
    dname = os.path.dirname(opts['s_path'])
    if not os.path.isdir(dname):
        os.makedirs(os.path.dirname(opts['s_path']))
    print(os.getcwd())
    shutil.copy(opts['run'], opts['s_path'])
    subprocess.call(opts['cmd'], shell=True)
