from calculate.templates.template_engine import TemplateEngine, DIR, Variables

from calculate.templates.template_processor import TemplateAction

from calculate.utils.package import Version

from calculate.utils.files import read_file_lines

from pprint import pprint


main = Variables({'cl_template_path':
                  ('tests/templates/testfiles/template_dir_1,'
                   'tests/templates/testfiles/template_dir_2'),
                  'cl_chroot_path': '/'})

values = Variables({'val_1': 11, 'val_2': 13, 'val_3': 12})


datavars = Variables({'main': main, 'values': values})

print('\nREAD LINES EXPERIMENT\n')

config_dictionary = {}
generator = read_file_lines('/var/lib/portage/config')
for fileline in generator:
    filename, md5_sum = fileline.strip().split(' ')
    config_dictionary.update({filename: md5_sum})

pprint(config_dictionary)

print('\nFIRST TEMPLATE\n')
template_engine = TemplateEngine(
                            datavars_module=datavars,
                            appends_set=TemplateAction().available_appends)

template_engine.process_template_from_string(
 "{% calculate env = 'values', name = 'dir_name', append = 'join' %}",
 DIR)

template_engine.parameters.print_parameters_for_debug()

print('\nSECOND TEMPLATE\n')
template_engine.process_template_from_string(
        '''{% calculate package = 'dev-lang/python-2.7', action = 'update' -%}
{% if pkg('category/name') < '3.6.9' -%}
The package exists.
{% else -%}
The package does not exist.
{% endif -%}
{% if Version('12.3.4-r1') < '12.2.5' %}
Version is correct.
{% endif -%}''',
        DIR)

template_engine.parameters.print_parameters_for_debug()
print('\nTEMPLATE TEXT:\n{0}'.format(template_engine.template_text))