import json
import jsonschema


def load_release_lockfile_schema():
    with open('spec/release-lockfile.spec.json') as schema_file:
        schema = json.load(schema_file)
    return schema


FILES_TO_VALIDATE = (
    './examples/owned/1.0.0.json',
    './examples/transferable/1.0.0.json',
    './examples/standard-token/1.0.0.json',
    './examples/safe-math-lib/1.0.0.json',
    './examples/piper-coin/1.0.0.json',
    './examples/wallet/1.0.0.json',
    './examples/escrow/1.0.0.json',
)


def validate_example_lockfiles():
    lockfile_schema = load_release_lockfile_schema()
    for file_path in FILES_TO_VALIDATE:
        with open(file_path) as lockfile_file:
            try:
                lockfile = json.load(lockfile_file)
            except json.JSONDecodeError as error:
                raise ValueError("Invalid JSON File: {0}\n{1}".format(file_path, str(error)))
            except Exception as error:
                raise ValueError("Something is broken: {0}\n{1}".format(file_path, str(error)))
            jsonschema.validate(lockfile, lockfile_schema)


if __name__ == '__main__':
    validate_example_lockfiles()