#!/usr/bin/env python
"""Generate a global options section.

The purpose of this script is to pre-generate
global options for the help docs.
The output of this script is loaded and applied to
every subcommand's help docs.

"""

import os

from awscli.clidriver import create_clidriver
from awscli.clidocs import (
    EXAMPLES_DIR, GLOBAL_OPTIONS_FILE,
    GLOBAL_OPTIONS_SYNOPSIS_FILE, GlobalOptionsDocumenter
)


def main():
    if not os.path.isdir(EXAMPLES_DIR):
        os.makedirs(EXAMPLES_DIR)
    driver = create_clidriver()
    options_help_command = driver.create_help_command()
    synopsis_help_command = driver.create_help_command()
    options_documenter = GlobalOptionsDocumenter(options_help_command)
    synopsis_documenter = GlobalOptionsDocumenter(synopsis_help_command)

    with open(GLOBAL_OPTIONS_FILE, 'w') as f:
        for line in options_documenter.doc_global_options():
            f.write(line)
    with open(GLOBAL_OPTIONS_SYNOPSIS_FILE, 'w') as f:
        for line in synopsis_documenter.doc_global_synopsis():
            f.write(line)


if __name__ == "__main__":
    main()