import argparse
import logging

import pits #TODO Cyclic dependency
import project
import task
import note
import action

def help(args, last_action, conn):
    logging.info('help function')

def create_parser():
    parser = argparse.ArgumentParser()
    parser.set_defaults(func=help)

    subparsers = parser.add_subparsers()

    # init       Create empty Pit database or reinitialize an existing one
    parser_init = subparsers.add_parser('init')#, usage='toto')
    parser_init.add_argument('-f', '--force')
    # parser_init.set_defaults(func=pits.init_database)

    create_project_parser(subparsers)
    create_task_parser(subparsers)
    create_note_parser(subparsers)

    # log        Show chronological Pit activity log (== action)
    parser_action = subparsers.add_parser('log')
    parser_action.set_defaults(func=action.handle_action)

    # info       Show summary information about your Pit database
    # Pit version:     0.1.0
    # Pit file name:   /home/budd/.pit
    # Created by:      budd on Jul 04, 2018 at 02:00
    # Last updated by: budd on Jul 04, 2018 at 19:53
    # Schema version:  1
    # Projects:        1
    # Tasks:           3
    # Notes:           3
    # Log entries:     9
    # TODO

    # help       Show help information about Pit

    # version    Show Pit version number
    parser.add_argument('--version', action='version', version='%(prog)s 1.0')

    return parser

def create_project_parser(subparsers):
    # PROJECT ARGS PARSER
    # project    Create, search, and manage Pit projects
    parser_project = subparsers.add_parser('project')#, usage='toto')
    group_project = parser_project.add_mutually_exclusive_group()
    group_project.add_argument('-c', type=str, dest='create_name', metavar='name', help='name of project')
    group_project.add_argument('-e', type=int, dest='edit_id', metavar='number', help='Edit a project')
    group_project.add_argument('-d', type=int, dest='delete_id', nargs='?', const=-1, metavar='number', help='Delete a project')
    parser_project.add_argument('-n', type=str, dest='edit_name', metavar='name', help='Edit: new name of project')
    parser_project.add_argument('-s', type=str, dest='status', metavar='status')
    parser_project.add_argument('-q', type=int)
    parser_project.set_defaults(func=project.handle_project)

def create_task_parser(subparsers):
    # TASK ARGS PARSER
    # task       Create, search, and manage Pit tasks
    parser_task = subparsers.add_parser('task')
    group_task = parser_task.add_mutually_exclusive_group()
    group_task.add_argument('-c', type=str, dest='create_name', metavar='name', help='name of task')
    group_task.add_argument('-e', type=int, dest='edit_id', metavar='number', help='Edit a task')
    group_task.add_argument('-m', type=int, dest='moving_id', nargs='?', const=-1, metavar='number', help='Moving a task')
    group_task.add_argument('-d', type=int, dest='delete_id', nargs='?', const=-1, metavar='number', help='Delete a task')
    parser_task.add_argument('-n', type=str, dest='edit_name', metavar='name', help='Edit: new name of project')
    parser_task.add_argument('-s', type=str, dest='status', metavar='status')
    parser_task.add_argument('-q', type=int)
    parser_task.add_argument('-i', type=int, dest='project_id', metavar='project id')
    parser_task.set_defaults(func=task.handle_task)

def create_note_parser(subparsers):
    # NOTE ARGS PARSER
    # note       Create, search, and manage Pit notes
    parser_note = subparsers.add_parser('note')
    group_note = parser_note.add_mutually_exclusive_group()
    group_note.add_argument('-c', type=str, dest='create_name', metavar='name', help='name of task')
    group_note.add_argument('-e', type=int, dest='edit_id', metavar='number', help='Edit a task')
    group_note.add_argument('-d', type=int, dest='delete_id', nargs='?', const=-1, metavar='number', help='Delete a task')
    parser_note.set_defaults(func=note.handle_note)