import asyncio
import json
import logging

from pyshock import PiShock
from datapuller import LiveData


logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)


class ZapSaber:
    """
    ZapSaber contains methods for reacting to DataPuller events.
    """

    combo_A = 100
    combo_B = 300
    combo_A_break = ['vibrate', 0.5, 20]
    combo_B_break = ['shock', 0.3, 5]
    fail = ['shock', 1, 10]

    playing = False
    combo_level = None
    map_failed = False

    def __init__(self, config, shocker):
        self.combo_A = config['comboA']
        self.combo_B = config['comboB']
        self.combo_A_break = config['comboABreak']
        self.combo_B_break = config['comboBBreak']
        self.fail = config['fail']
        self.shocker = shocker

    def update_combo(self, message):
        """
        update_combo receives a message when the score chages. It first checks if the map
        has been failed, and if so, sends the `fail` event. Next, it checks whether the
        current combo is greater than `combo_A` or `combo_B` and sets the combo level
        accordingly.
        """

        combo = message['Combo']
        health = message['PlayerHealth']

        # Determine whether or not the player has failed.
        if not self.map_failed and health == 0:
            logger.info('Failed the map!')
            self.shocker.act(*self.fail)
            self.map_failed = True
            self.combo_level = None

        # Set appropriate combo levels.
        if combo > self.combo_A:
            self.combo_level = 'A'
        if combo > self.combo_B:
            self.combo_level = 'B'

    def break_combo(self, message):
        """
        break_combo receives a message when a note is missed. If the combo broken is
        greater than one of the combo levels (as determined by `update_combo`), then
        the appropriate message is sent to PiShock.
        """

        if self.combo_level == 'A':
            logger.info('Broke combo A!')
            self.shocker.act(*self.combo_A_break)
        if self.combo_level == 'B': 
            logger.info('Broke combo B!')
            self.shocker.act(*self.combo_B_break)

        # Since the combo has been broken, unset the combo level.
        self.combo_level = None

    def tick(self, message):
        """
        tick runs every time the map timer elapses. This is where whether or not the
        player is actively playing is determined.
        """

        logger.debug('Tick')
        if self.playing and message['TimeElapsed'] == 0:
            logger.info('Stopping map...')
            self.playing = False
            self.map_failed = False
        elif not self.playing and message['TimeElapsed'] != 0:
            logger.info('Starting map...')
            self.playing = True
    

async def main(config):
    logger.info('Initializing...')

    # Set up the shocker.
    shocker = PiShock(config['username'], config['apiKey'], config['code'],
                      name='ZapSaber')
    shocker.beep()
    events = ZapSaber(config, shocker)

    # Set up the BSDataPuller listeners.
    livedata = LiveData()
    livedata.on('ScoreChange', events.update_combo)
    livedata.on('NoteMissed', events.break_combo)
    livedata.on('TimerElapsed', events.tick)

    # Start listening.
    await livedata.listen()
    

if __name__ == '__main__':
    with open('config.json') as config_file:
        config = json.load(config_file)
        asyncio.run(main(config))