import os

from stsci.tools import teal

import stwcs
from stwcs.wcsutil import headerlet

__taskname__ = __name__.split('.')[-1] # needed for help string
__package__ = headerlet.__name__
__version__ = stwcs.__version__
#
#### Interfaces used by TEAL
#
def getHelpAsString(docstring=False):
    """
    return useful help from a file in the script directory called __taskname__.help
    """
    install_dir = os.path.dirname(__file__)
    htmlfile = os.path.join(install_dir,'htmlhelp',__taskname__+'.html')
    helpfile = os.path.join(install_dir,__taskname__+'.help')
    if docstring or (not docstring and not os.path.exists(htmlfile)):
        helpString = __taskname__+' Version '+__version__+'\n\n'
        if os.path.exists(helpfile):
            helpString += teal.getHelpFileAsString(__taskname__,__file__)
    else:
        helpString = 'file://'+htmlfile

    return helpString

def run(configObj=None):

    if configObj['distname'] not in ['',' ','INDEF']:
        # Call function with properly interpreted input parameters
        # Syntax: restore_all_with_distname(filename, distname, primary,
        #           archive=True, sciext='SCI', verbose=False)
        headerlet.restore_all_with_distname(configObj['filename'],
                        configObj['distname'],configObj['primary'],
                        archive=configObj['archive'],sciext=configObj['sciext'],
                        logging=configObj['logging'])
    else:
        # Call function with properly interpreted input parameters
        #         restore_from_headerlet(filename, hdrname=None, hdrext=None,
        #           archive=True, force=False)
        headerlet.restore_from_headerlet(configObj['filename'],
                        hdrname=configObj['hdrname'],hdrext=configObj['hdrext'],
                        archive=configObj['archive'], force=configObj['force'],
                        logging=configObj['logging'])