#!/usr/bin/env python3


import sys


from commands import MergeRequests, UpdateAssignees, Comments, Merge, Test
from kontr_emails import Parser


COMMANDS = {
    "mrs": MergeRequests,
    "update-assignees": UpdateAssignees,
    "comments": Comments,
    "merge": Merge,
    "test": Test,
}


def print_usage():
    print(f"{sys.argv[0]} <path_to_mbox> <homework> <correction> <deadline> <command>")
    print()
    print("Commands:")
    print("\tmrs\t\t\tFetch files and create merge requests for them")
    print("\tupdate-assignees\tUpdate assignees on MRs")
    print("\tcomments\t\tFetch all comments on MRs")
    print("\tmerge\t\t\tMerge all MRs")
    print("\ttest\t\t\tDebugging function")
    print("Format of date: %Y_%m%d_%H%M%S")


def main():
    if len(sys.argv) != 6 or sys.argv[5] not in COMMANDS:
        print_usage()
        exit(2)

    _, path, hw, correction, deadline, command = sys.argv
    correction = correction == "y"

    submissions = Parser(path, deadline, correction).parse(hw)
    COMMANDS[command](submissions)()


if __name__ == "__main__":
    main()