#!/usr/bin/python
"""
Contains the script that create a upy project 
"""
import os, shutil, upy
from optparse import OptionParser

UPY_LOCATION = "%s/%s" % (os.path.dirname(upy.__file__), "bin/upy_project_set")


def overwrite_proj():
    """
    It asks to user if he want overwrite existing project
    """
    q = raw_input("Do you want overwrite it? (y/n): ")
    if q == "y":
        return True
    elif q == "n":
        return False
    else:
        print "Tap y or n"
        return overwrite_proj()


def create_project(name=None):
    """
    It creates upy project
    """
    listing = []
    if os.path.exists(UPY_LOCATION):
        listing = os.listdir(UPY_LOCATION)

    create_proj = False
    if name:
        if os.path.exists("%s" % (name)):
            print "Project already exists!"
            if overwrite_proj():
                for f in listing:
                    if os.path.isdir("%s/%s" % (name, f)):
                        shutil.rmtree("%s/%s" % (name, f))
                    else:
                        os.remove("%s/%s" % (name, f))
                create_proj = True
        else:
            os.mkdir(name)
            create_proj = True
    else:
        name = "."
        create_proj = True
    if create_proj:
        try:
            print "Configuring project!"
            if not os.path.exists("%s/templates/admin" % name):
                os.makedirs("%s/templates/admin" % name)
            if not os.path.exists("%s/static" % name):
                os.makedirs("%s/static" % name)
            print "Copying files: "
            print listing
            for f in listing:
                if os.path.isdir("%s/%s" % (UPY_LOCATION, f)):
                    shutil.copytree("%s/%s" % (UPY_LOCATION, f), '%s/%s' % (name, f))
                elif f[-3:] != "pyc" or f[-3:] != "svn":
                    shutil.copy2('%s/%s' % (UPY_LOCATION, f), '%s/%s' % (name, f))
        except Exception, e:
            print e
            print "Something is going wrong!"

        else:
            print "Project configured!"


def main():
    parser = OptionParser(usage="usage: %prog startproject [options]",
                          version="%prog " + upy.__version__)
    parser.add_option("-s",
                      action="store_true",
                      dest="startproject",
                      default=False,
                      help="create upy project")
    parser.add_option("-n", "--name",
                      action="store",
                      dest="name",
                      default="",
                      help="""If it isn't empty create a directory in which it creates the project,
                              else the projects will be created in the current directory""", )
    (options, args) = parser.parse_args()

    if len(args) != 1:
        parser.error("wrong number of arguments")
    if args and args[0] != "startproject":
        parser.error("use startproject command as first argument")
    create_project(options.name)


if __name__ == '__main__':
    main()