#!/usr/bin/env python3
"""
$ python3 simple_cli.py --help
simple_cli.py v1.0

Usage: simple_cli.py [SWITCHES] srcfiles...
Meta-switches:
    -h, --help                 Prints this help message and quits
    --version                  Prints the program's version and quits

Switches:
    -I VALUE:str               Specify include directories; may be given
                               multiple times
    --loglevel LEVEL:int       Sets the log-level of the logger
    -v, --verbose              Enable verbose mode

$ python3 simple_cli.py x.cpp y.cpp z.cpp
Verbose: False
Include dirs: []
Compiling: ('x.cpp', 'y.cpp', 'z.cpp')

$ python3 simple_cli.py -v
Verbose: True
Include dirs: []
Compiling: ()

$ python3 simple_cli.py -v -Ifoo/bar -Ispam/eggs
Verbose: True
Include dirs: ['foo/bar', 'spam/eggs']
Compiling: ()

$ python3 simple_cli.py -v -I foo/bar -Ispam/eggs x.cpp y.cpp z.cpp
Verbose: True
Include dirs: ['foo/bar', 'spam/eggs']
Compiling: ('x.cpp', 'y.cpp', 'z.cpp')
"""

import logging

from plumbum import cli


class MyCompiler(cli.Application):
    verbose = cli.Flag(["-v", "--verbose"], help="Enable verbose mode")
    include_dirs = cli.SwitchAttr("-I", list=True, help="Specify include directories")

    @cli.switch("-loglevel", int)
    def set_log_level(self, level):
        """Sets the log-level of the logger"""
        logging.root.setLevel(level)

    def main(self, *srcfiles):
        print("Verbose:", self.verbose)
        print("Include dirs:", self.include_dirs)
        print("Compiling:", srcfiles)


if __name__ == "__main__":
    MyCompiler()
