#!/usr/bin/env python
"""
Set up the evennia system. A first startup consists of giving
the command './manage syncdb' to setup the system and create
the database. 
"""

import sys
import os

# Tack on the root evennia directory to the python path.
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

#------------------------------------------------------------
# Get Evennia version
#------------------------------------------------------------
try:
    VERSION = open("%s%s%s" % (os.pardir, os.sep, 'VERSION')).readline().strip()
except IOError:
    VERSION = "Unknown version"

#------------------------------------------------------------
# Check so session file exists in the current dir- if not, create it. 
#------------------------------------------------------------

_CREATED_SETTINGS = False    
if not os.path.exists('settings.py'):
    # If settings.py doesn't already exist, create it and populate it with some
    # basic stuff.

    settings_file = open('settings.py', 'w')
    _CREATED_SETTINGS = True

    string = \
    """# 
# Evennia MU* server configuration file
#
# You may customize your setup by copy&pasting the variables you want
# to change from the master config file src/settings_default.py to
# this file. Try to *only* copy over things you really need to customize
# and do *not* make any changes to src/settings_default.py directly.
# This way you'll always have a sane default to fall back on
# (also, the master file may change with server updates).
#

from src.settings_default import * 

###################################################
# Evennia base server config 
###################################################

###################################################
# Evennia Database config 
###################################################

###################################################
# Evennia in-game parsers
###################################################

###################################################
# Default command sets 
###################################################

###################################################
# Default Object typeclasses 
###################################################

###################################################
# Batch processor 
###################################################

###################################################
# Game Time setup
###################################################

###################################################
# Game Permissions
###################################################

###################################################
# In-game Channels created from server start
###################################################

###################################################
# IMC2 Configuration
###################################################

###################################################
# IRC config
###################################################

###################################################
# Config for Django web features
###################################################

###################################################
# Evennia components (django apps)
###################################################
"""

    settings_file.write(string)
    settings_file.close()

    print """
    Welcome to Evennia (version %s)! 
    We created a fresh settings.py file for you.""" % VERSION 

#------------------------------------------------------------
# Test the import of the settings file
#------------------------------------------------------------
try:
    from game import settings
except Exception:
    import traceback
    string = "\n" + traceback.format_exc()
    string += """\n
    Error: Couldn't import the file 'settings.py' in the directory 
    containing %r. There can be two reasons for this: 
    1) You moved your settings.py elsewhere. In that case you need to run
       django-admin.py, passing it the true location of your settings module.
    2) The settings module is where it's supposed to be, but an exception
       was raised when trying to load it. Review the traceback above to
       resolve the problem, then try again. 
    """ % __file__
    print string 
    sys.exit(1)

#------------------------------------------------------------
# Test runner setup
#------------------------------------------------------------
os.environ['DJANGO_SETTINGS_MODULE'] = 'game.settings'
from django.test.simple import DjangoTestSuiteRunner

class EvenniaTestSuiteRunner(DjangoTestSuiteRunner):
    """
    This test runner only runs tests on the apps specified in src/ and game/ to
     avoid running the large number of tests defined by Django
    """
    def build_suite(self, test_labels, extra_tests=None, **kwargs):
        """
        Build a test suite for Evennia. test_labels is a list of apps to test. 
        If not given, a subset of settings.INSTALLED_APPS will be used.
        """
        if not test_labels:
            test_labels = [applabel.rsplit('.', 1)[1] for applabel in settings.INSTALLED_APPS 
                           if (applabel.startswith('src.') or applabel.startswith('game.'))]
        return super(EvenniaTestSuiteRunner, self).build_suite(test_labels, extra_tests=extra_tests, **kwargs)
    def run_suite(self, test_labels=None, extra_tests=None, **kwargs):
        "Run wrapper for the tests"
        return super(EvenniaTestSuiteRunner, self).run_suite(self.build_suite(test_labels, extra_tests), **kwargs)

#------------------------------------------------------------
# This is run only if the module is called as a program
#------------------------------------------------------------
if __name__ == "__main__":

    # checks if the settings file was created this run 
    if _CREATED_SETTINGS: 
        print """
    Edit your new settings.py file as needed, then run
    'python manage syncdb' and follow the prompts to
    create the database and your superuser account.
        """
        sys.exit()

    # running the unit tests
    if len(sys.argv) > 1 and sys.argv[1] == 'test-evennia':        
        print "Running Evennia-specific test suites ..."
        EvenniaTestSuiteRunner(sys.argv[2:]).run_suite()
        sys.exit()

    # run the standard django manager, if dependencies match
    from src.utils.utils import check_evennia_dependencies    
    if check_evennia_dependencies():
        from django.core.management import execute_manager    
        execute_manager(settings)