#!/usr/bin/env python
#
#  Copyright (C) 2016 IT4Innovations
#

import os

def software_list(class_path):
    """List software from given module class"""
    os.chdir(class_path)
    software_list = next(os.walk('.'))[1]
    # In case that there is 'all' module
    if 'all' in software_list:
        software_list.remove('all')
    return software_list


def get_software_versions(software_path):
    """List available versions of software"""
    os.chdir(software_path)
    return next(os.walk('.'))[2]

if __name__ == "__main__":
    BASE_MODULES_DIR = '/apps/modules/'
    SKIP_DIRS = ['all']
    HTML_SOURCE_DATA = {}
    os.chdir(BASE_MODULES_DIR)
    subdirs = next(os.walk('.'))[1]
    # Delete unwanted directories
    for dir in SKIP_DIRS:
        subdirs.remove(dir)

    # Create module class structure
    for dir in sorted(subdirs):
        class_path = os.path.join(BASE_MODULES_DIR, dir)
        available_software = software_list(class_path)
        HTML_SOURCE_DATA[dir] = {}
        for soft in sorted(available_software, key=str.lower):
            software_path = os.path.join(class_path, soft)
            software_versions = get_software_versions(software_path)
            # In case that there's not any available software version
            if not software_versions:
                continue
            first_module_path = os.path.join(software_path, software_versions[0])
            HTML_SOURCE_DATA[dir][soft] = {'versions': []}
            for version in software_versions:
                HTML_SOURCE_DATA[dir][soft]['versions'].append(version)
            print "%s|%s" % (soft.lower(),';'.join(software_versions))