#!/usr/bin/env python
# -*- coding: utf-8 -*-

import sys
import os

ins = False

d = {'y': True,
     'n': False}

try:
    import requests
except:
    print "You need requests for dowload the basis, without you still can read a existing DB"

    while True:
        choice = raw_input('Do you want to install it ? [Y/N]')
        try:
            ins = d[choice.lower()]
            break
        except:
            print "not a valid choice"


if ins:
    try:
        import pip
        pip.main(['install', "requests"])
    except:
        print "You need pip, (http://pip.readthedocs.org/en/latest/installing.html)"
        sys.exit(1)

path = os.path.split(os.path.abspath(sys.argv[0]))[0]


completion_function = \
    """
function _mycomplete_()
{
    local word=${COMP_WORDS[COMP_CWORD]}

    if [  $COMP_CWORD -eq 1 ]; then
        opt="%s"
        COMPREPLY=( $(compgen -W "${opt}" -- $word))
    else
        COMPREPLY=()
    fi
}

complete -o default -F _mycomplete_ ./EMSL_api.py
""" % " ".join(["get_list_basis", "get_list_elements", "get_basis_data", "get_list_formats", "create_db", "-h", "--help", "--version"])

with open(path + "/EMSL_api.rc", "w") as f:
    f.write("export EMSL_API_ROOT=%s" % path + "\n")
    f.write("export PYTHONPATH=${PYTHONPATH}:${EMSL_API_ROOT}/src" + "\n")
    f.write(completion_function)

print "Source EMSL_api.rc, pls"