from datetime import datetime as dt
import logging
import os

import simplematrixbotlib as botlib

from goals.db import Data, pretty_print


SERVER = os.environ.get('MATRIX_SERVER')
BOT_NAME = os.environ.get('GOAL_BOT')
BOT_PWD = os.environ.get('GOAL_BOT_PWD')

DATE_FORMAT = '%Y-%m-%d'

def today():
    return dt.now().strftime(DATE_FORMAT)

creds = botlib.Creds(SERVER, BOT_NAME, BOT_PWD)
bot = botlib.Bot(creds)
PREFIX = '!goal'

logger = logging.getLogger(__name__)
logging.basicConfig(filename='goals.log', encoding='utf-8', level=logging.DEBUG)
logging.getLogger('nio').setLevel(logging.WARNING)

async def do_goal(match):
    '''
    Prefix: !goal

    Synax:
        !goal COMMAND ARGS

    Commands:
      help - show this help
      add - add a goal
      add-task ID - add a task under the goal specified by ID
      add-vision - add a new vision (collection of goals)
      done ID - mark task done by ID
      goal-done ID - mark goal done by ID
      list - list incomplete goals
      list-all - list everything
      list-done - list completed goals
      print ID - print a goal and all tasks
      print-vision ID - print a vision and all goals
      set-vision GOAL_ID VISION_ID- associate GOAL_ID with VISION_ID
      visions - list incomplete visions
    '''

    if match.command('setup'):
        result = Data().setup()
        return [result]

    if match.command('add'):
        new = ' '.join(match.args()[1:])
        result = Data().add_goal(new)
        return [f'Goal added with id {result}']

    if match.command('list'):
        goals = Data().get_all_goals()
        results = ['# Goals list...']
        for goal in goals:
            results.append(str(goal))
        return results


    if match.command('list-done'):
        goals = Data().get_done_goals()
        results = ['# Completed Goals...']
        for goal in goals:
            results.append(str(goal))
        return results


    if match.command('add-task'):
        goal_id = int(match.args()[1])
        new = ' '.join(match.args()[2:])
        result = Data().add_task(goal_id=goal_id, name=new)
        goal,tasks = Data().get_goal(goal_id)
        results = pretty_print(goal, tasks)
        return results
    # return [f'Added task with id {result}']

    if match.command('add-vision'):
        new = ' '.join(match.args()[1:])
        result = Data().add_vision(new)
        return [f'Vision added with id {result}']

    if match.command('print'):
        goal_id = int(match.args()[1])
        logger.debug(f'Searching for goal {goal_id}...')
        goal,tasks = Data().get_goal(goal_id)
        results = pretty_print(goal, tasks)
        return results


    if match.command('print-vision'):
        get_id = int(match.args()[1])
        vision,goals = Data().get_vision(get_id)
        results = pretty_print(vision, goals)
        return results

    if match.command('goal-done'):
        goal_id = int(match.args()[1])
        Data().complete_goal(goal_id)
        goal,tasks = Data().get_goal(goal_id)
        results = pretty_print(goal, tasks)
        return results
    

    if match.command('done'):
        task_id = int(match.args()[1])
        goal_id = Data().complete_task(task_id)
        goal,tasks = Data().get_goal(goal_id)
        results = pretty_print(goal, tasks)
        return results

    if match.command('list-all'):
        goals = Data().get_all_goals()
        results = ['# Everything is...']
        for goal in goals:
            _,tasks = Data().get_goal(goal.id)
            details = pretty_print(goal, tasks)
            results += details
        return results

    if match.command('visions'):
        items = Data().get_all_visions()
        results = ['# Visions']
        if not items:
            results.append('-- No current visions --')

        for item in items:
            results.append(item)
        return results


    if match.command('set-vision'):
        goal_id = int(match.args()[1])
        vision_id = int(match.args()[2])
        Data().assign_vision(goal_id=goal_id, vision_id=vision_id)
        vision,goals = Data().get_vision(vision_id)
        results = pretty_print(vision, goals)
        return results

    return [do_goal.__doc__]

@bot.listener.on_message_event
async def goals(room, message):
    match = botlib.MessageMatch(room, message, bot, PREFIX)

    if not match.is_not_from_this_bot() and match.prefix():
        return

    try:
        if match.prefix():
            result_lines = await do_goal(match)
            for line in result_lines:
                await bot.api.send_text_message(
                    room.room_id, str(line))
    except Exception as ex:
        return ['Ye cannot get ye flask.']


bot.run()