#!/usr/bin/env python3

# Copyright 2022 PickNik Inc.
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# modification, are permitted provided that the following conditions are met:
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#      notice, this list of conditions and the following disclaimer.
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#      contributors may be used to endorse or promote products derived from
#      this software without specific prior written permission.
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import argparse
import sys
import os

from generate_parameter_library_py.parse_yaml import GenerateCode


def run(output_file, yaml_file, validation_module=''):
    print(f'Running {__file__} {output_file} {yaml_file} {validation_module}')
    gen_param_struct = GenerateCode('python')
    output_dir = os.path.dirname(output_file)
    os.makedirs(output_dir, exist_ok=True)

    gen_param_struct.parse(yaml_file, validation_module)

    code = str(gen_param_struct)
    with open(output_file, 'w') as f:
        f.write(code)

    # Put an __init__.py file if one does not yet exist.
    init_file = os.path.join(os.path.dirname(output_file), '__init__.py')
    open(init_file, 'a').close()


def parse_args():
    parser = argparse.ArgumentParser()
    parser.add_argument('output_python_module_file')
    parser.add_argument('input_yaml_file')
    parser.add_argument('validate_file', nargs='?', default='')
    return parser.parse_args()


def main():
    args = parse_args()
    output_file = args.output_python_module_file
    yaml_file = args.input_yaml_file
    validate_file = args.validate_file
    run(output_file, yaml_file, validate_file)


if __name__ == '__main__':
    sys.exit(main())
