"""Used by the make system to generate version.h for use in code.
"""
from milc import cli

from qmk.commands import create_version_h
from qmk.path import normpath


@cli.argument('-o', '--output', arg_only=True, type=normpath, help='File to write to')
@cli.argument('-q', '--quiet', arg_only=True, action='store_true', help="Quiet mode, only output error messages")
@cli.argument('--skip-git', arg_only=True, action='store_true', help='Skip Git operations')
@cli.argument('--skip-all', arg_only=True, action='store_true', help='Use placeholder values for all defines (implies --skip-git)')
@cli.subcommand('Used by the make system to generate version.h for use in code', hidden=True)
def generate_version_h(cli):
    """Generates the version.h file.
    """
    if cli.args.skip_all:
        cli.args.skip_git = True

    version_h = create_version_h(cli.args.skip_git, cli.args.skip_all)

    if cli.args.output:
        cli.args.output.parent.mkdir(parents=True, exist_ok=True)
        if cli.args.output.exists():
            cli.args.output.replace(cli.args.output.parent / (cli.args.output.name + '.bak'))
        cli.args.output.write_text(version_h)

        if not cli.args.quiet:
            cli.log.info('Wrote version.h to %s.', cli.args.output)
    else:
        print(version_h)