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"""A tool to generate test sentences for stress test."""

import argparse


def GenerateHeader(input_file, output_file):
  """Convert the file to C++ code."""
  output = []
  with open(input_file, encoding='utf-8') as f:
    for line in f:
      if line.startswith('#'):
        continue
      items = line.rstrip('\r\n').split('\t')
      if len(items) > 1:
        line = items[1]
      else:
        line = items[0]
      if not line:
        continue
      output.append(line)

  with open(output_file, 'w', encoding='utf-8') as f:
    f.write('namespace {\n')
    # TODO(yuryu): Change to absl::string_view when we drop msvc 2017.
    f.write('const char *kTestSentences[] = {\n')
    for line in output:
      escaped = line.replace('\\', '\\\\').replace('"', '\\"')
      f.write(' "%s",\n' % escaped)
    f.write('};\n')
    f.write('}  // namespace\n')


def main():
  parser = argparse.ArgumentParser()
  parser.add_argument('--input')
  parser.add_argument('--output')
  args = parser.parse_args()
  GenerateHeader(args.input, args.output)


if __name__ == '__main__':
  main()
