# Copyright 2015 The Kubernetes Authors All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#           http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""App allowing expansion from file names instead of cmdline arguments."""
import os.path
import sys
from expansion import Expand


def main():
    if len(sys.argv) < 2:
        print >>sys.stderr, 'No template specified.'
        sys.exit(1)
    template = ''
    imports = {}
    try:
        with open(sys.argv[1]) as f:
            template = f.read()
        for imp in sys.argv[2:]:
            import_contents = ''
            with open(imp) as f:
                import_contents = f.read()
                import_name = os.path.basename(imp)
                imports[import_name] = import_contents
    except IOError as e:
        print 'IOException: ', str(e)
        sys.exit(1)

    env = {}
    env['deployment'] = os.environ['DEPLOYMENT_NAME']
    env['project'] = os.environ['PROJECT']
    validate_schema = 'VALIDATE_SCHEMA' in os.environ

    print Expand(template, imports, env=env, validate_schema=validate_schema)


if __name__ == '__main__':
    main()