#!/usr/bin/python

# This script creates the directory structure for a new package.
# Usage: cgal_create_package_dir.py Package_name

import sys
import os
import re
import argparse
import shutil

parser = argparse.ArgumentParser(
    description='Create directory structure for a new CGAL package.')
parser.add_argument('packagename',
                    help='name of new CGAL package')
args = parser.parse_args()
packagename = args.packagename

xmlstring = \
"""<project>
 <name>PRETTY PACKAGE NAME</name>
 <input>../PACKAGENAME/doc/PACKAGENAME</input>
 <doxygen>
   <string name="STRIP_FROM_PATH">../PACKAGENAME/doc/PACKAGENAME</string>
   <string name="STRIP_FROM_INC_PATH">../PACKAGENAME/doc/PACKAGENAME/</string>
   <string name="IMAGE_PATH">../PACKAGENAME/doc/PACKAGENAME/fig</string>
   <string name="EXAMPLE_PATH">../PACKAGENAME/examples</string>
   <list name="PACKAGE_REFERENCES">
       <item>PACKAGENAME</item>
   </list>
 </doxygen>
</project>
"""

descrstring = \
r"""// PRETTY PACKAGE NAME should be the same as the one in the xml file

/// \defgroup PkgPACKAGE PRETTY PACKAGE NAME Reference
/// \defgroup PkgPACKAGEConcepts Concepts
/// \ingroup PkgPACKAGE

/// \defgroup PkgPACKAGEAlgorithmClasses Algorithm Classes
/// \ingroup PkgPACKAGE

/// \defgroup PkgPACKAGETraitsClasses Traits Classes
/// \ingroup PkgPACKAGE

/// \defgroup PkgPACKAGEMiscellaneous Miscellaneous
/// \ingroup PkgPACKAGE

/*!
\addtogroup PkgPACKAGE
\todo check generated documentation

\cgalPkgDescriptionBegin{PACKAGE NAME,PkgPACKAGESummary}
\cgalPkgPicture{pkg-small.png}

\cgalPkgSummaryBegin
\cgalPkgAuthor{PACKAGE AUTHOR}
\cgalPkgDesc{PACKAGE DESCRIPTION.
The package provides ... }
\cgalPkgManuals{Chapter_PACKAGE_NAME,PkgPACKAGE}
\cgalPkgSummaryEnd

\cgalPkgShortInfoBegin
\cgalPkgSince{X.X}
\cgalPkgDependsOn{\ref PkgDEPENDENCY}
\cgalPkgBib{cgal:x-x}
\cgalPkgLicense{\ref licensesGPL "GPL"}
\cgalPkgDemo{DEMO 1,demo1.zip}
\cgalPkgDemo{DEMO 2,demo2.zip}
\cgalPkgShortInfoEnd

\cgalPkgDescriptionEnd

*/
"""

usermanstring = \
r"""namespace CGAL {
/*!

\mainpage User Manual
\anchor Chapter_PACKAGE_NAME
\anchor chaptermine
\cgalAutoToc
\author AUTHOR1, AUTHOR2

This chapter describes the ...

\section secmydefinitions Definitions

Section on definitions here ...

\section secmyexamples Examples

\subsection myFirstExample First Example

The following example shows ...

*/
} /* namespace CGAL */
"""

if re.match("^[A-Za-z_][A-Za-z0-9_]*$", packagename):
    os.mkdir(packagename)
    open(os.path.join(packagename, 'dont_submit'), 'w').close()

    os.makedirs(os.path.join(packagename, 'include', 'CGAL'))

    os.mkdir(os.path.join(packagename, 'src'))

    testpath = os.path.join(packagename, 'test', packagename)
    os.makedirs(testpath)
    os.mkdir(os.path.join(testpath, 'data'))
    os.mkdir(os.path.join(testpath, 'include'))

    expath = os.path.join(packagename, 'examples', packagename)
    os.makedirs(expath)
    os.mkdir(os.path.join(expath, 'data'))
    os.mkdir(os.path.join(expath, 'include'))
    open(os.path.join(expath, 'README'), 'w').close()

    demopath = os.path.join(packagename, 'demo', packagename)
    os.makedirs(demopath)
    os.mkdir(os.path.join(demopath, 'data'))
    os.mkdir(os.path.join(demopath, 'include'))
    open(os.path.join(demopath, 'README'), 'w').close()

    benpath = os.path.join(packagename, 'benchmark', packagename)
    os.makedirs(benpath)

    os.mkdir(os.path.join(packagename, 'scripts'))
    os.mkdir(os.path.join(packagename, 'developer_scripts'))

    infopath = os.path.join(packagename, 'package_info', packagename)
    os.makedirs(infopath)
    open(os.path.join(infopath, 'copyright.txt'), 'w').close()
    open(os.path.join(infopath, 'description.txt'), 'w').close()
    open(os.path.join(infopath, 'license.txt'), 'w').close()
    open(os.path.join(infopath, 'long_description.txt'), 'w').close()
    open(os.path.join(infopath, 'maintainer'), 'w').close()

    docpath = os.path.join(packagename, 'doc', packagename)
    os.makedirs(docpath)
    os.mkdir(os.path.join(docpath, 'CGAL'))
    os.mkdir(os.path.join(docpath, 'Concepts'))
    figpath = os.path.join(docpath, 'fig')
    os.mkdir(figpath)
    open(os.path.join(docpath, 'examples.txt'), 'w').close()

    usermanpath = os.path.join(docpath, (packagename + '.txt'))
    usermanfile = open(usermanpath, 'w')
    usermanfile.write(usermanstring)
    usermanfile.close()

    xmlpath = os.path.join(docpath, (packagename + '.xml'))
    xmlfile = open(xmlpath, 'w')
    xmlfile.write(re.sub('PACKAGENAME', packagename, xmlstring))
    xmlfile.close()

    descrpath = os.path.join(docpath, 'PackageDescription.txt')
    descrfile = open(descrpath, 'w')
    descrfile.write(descrstring)
    descrfile.close()

    # try to find figure pkg-small.png and copy it to figure path
    scriptdir = os.path.dirname(sys.argv[0])
    cgaldir = os.path.dirname(os.path.dirname(scriptdir))
    figfile = os.path.join(cgaldir, 'Documentation', 'doc', 'fig',
        'pkg-small.png')

    if os.path.exists(figfile):
        shutil.copy(figfile, figpath)
else:
    print "Error: Bad package name:", packagename
    print "The package name should consist of:"
    print "letters, digits and underscores and not start with a digit."