#
# Collective Knowledge (individual environment - setup)
#
# See CK LICENSE.txt for licensing details
# See CK COPYRIGHT.txt for copyright details
#

import os

def setup(i):
  '''
  Input: {
    cfg              - meta of this soft entry
    self_cfg         - meta of module soft
    ck_kernel        - import CK kernel module (to reuse functions)

    host_os_uoa      - host OS UOA
    host_os_uid      - host OS UID
    host_os_dict     - host OS meta

    target_os_uoa    - target OS UOA
    target_os_uid    - target OS UID
    target_os_dict   - target OS meta

    target_device_id - target device ID (if via ADB)

    tags             - list of tags used to search this entry

    env              - updated environment vars from meta
    customize        - updated customize vars from meta

    deps             - resolved dependencies for this soft

    interactive      - if 'yes', can ask questions, otherwise quiet
  }
  Output: {
    return   - return code =  0, if successful
                           >  0, if error
    (error)  - error text if return > 0
    bat      - prepared string for bat file
  }
  '''

  s = ''

  env = i['env']
  cus = i['customize']
  install_env = cus.get('install_env', {})

  env_prefix = cus['env_prefix']
  full_path = cus['full_path']
  include_root = os.path.dirname(full_path)
  install_dir = os.path.dirname(include_root)

  env[env_prefix] = install_dir
  
  # Append library path to $LIBRARY_PATH and $LD_LIBRARY_PATH.
  r = ck.access({'action': 'lib_path_export_script',
                 'module_uoa': 'os',
                 'host_os_dict': i['host_os_dict'],
                 'lib_path': install_dir
  })
  if r['return'] > 0:
    return r
  s += r['script']  

  return {'return': 0, 'bat': s}