# import sqlite3
import os
import argparse
import json
import getpass
import datetime
import logging

import action

def handle_task(args, last_action, conn):
    logging.info('> handle task')
    logging.debug('args: ' + str(args))

    active_project_id = None
    if last_action:
        active_project_id = last_action[0]

    active_task_id = None
    if last_action:
        active_task_id = last_action[1]

    do_something = False

    if args.create_name:
        do_something = True
        create_task(args, active_project_id, conn)

    if args.delete_id:
        do_something = True
        delete_task(args.delete_id, conn)

    if args.moving_id:
        do_something = True
        moving_task(args)
            
    if args.edit_id:
        do_something = True
        edit_task(args, args.edit_id, conn)

    if not do_something:
        list_task(active_task_id, conn)

def create_task(args, active_project_id, conn):
    logging.info('>> Create task')

    query = """
    INSERT INTO task (project_id, username, name, status, priority, date, time, created_at)
    VALUES (?, ?, ?, ?, ?, ?, ?, ?);
    """

    status = 'open'
    priority = 'normal'
    # TODO Date & time
    date = ''
    time = ''

    cursor = conn.cursor()
    cursor.execute(query, (active_project_id, getpass.getuser(), args.create_name, status, priority, date, time, datetime.datetime.now(),))

    task_id = cursor.lastrowid

    action.create_action(cursor, project_id=active_project_id, task_id=task_id)

    print('created task {}: {} (status: {})'.format(task_id, args.create_name, status))

def edit_task(args, task_id, conn):
    logging.info('>> Edit task')

    update_args = {}
    if args.status:
        update_args['status'] = args.status
    if args.edit_name:
        update_args['name'] = args.edit_name

    query = 'UPDATE task SET {} WHERE id = ?'
    query = query.format(', '.join("%s = '%s'" % (k, v) for k, v in update_args.items()))
    logging.debug('update task query: ' + query)

    cursor = conn.cursor()
    if update_args:
        logging.debug('Do a task update')
        cursor.execute(query, (task_id,))

        log_args = ', '.join("%s: '%s'" % (k, v) for k, v in update_args.items())
        print('updated task {}: ({})'.format(task_id, log_args))
    else:
        print('updated task {}: set active task')

    action.create_action(cursor, task_id, message = 'update ' + str(update_args))

def moving_task(args):
    print('moving')

def delete_task(task_id, conn):
    logging.info('>> Remove task')

    query = """
    DELETE FROM task
    WHERE id = ?;
    """

    cursor = conn.cursor()
    cursor.execute(query, (task_id,))
    if cursor.rowcount != 1:
        logging.error('DELETE FAILED')
    print('deleted task {}: {}'.format(task_id, 'task_name'))

def list_task(active_task_id, conn):
    logging.info('>> No arguments')
    query = "SELECT id, username, status, priority, name FROM task;" #TODO Date & time

    cursor = conn.cursor()
    cursor.execute(query)
    for row in cursor.fetchall():
        nb_note = 0
        task_id, username, status, priority, name = row
        current_task = ''
        if active_task_id and active_task_id == task_id: current_task = '*'
        print('{:1} {:2d}: ({:8}) | {} | {} | {} ({} tasks )'.format(current_task, task_id, username, status, priority, name, nb_note))

        #   2: (budd) |open| |normal|              test (0 notes)
        # * 3: (budd) |open| |normal| Dec 31, 2018 tet  (0 notes)