#!/usr/bin/env python
import otime
import datetime
import serial
import binascii
import pickle
import asyncio
import argparse
from difflib import Differ
from watchfiles import awatch
from config import config
from rich import print
from rich import inspect
from rich.console import Console
from rich.columns import Columns
from rich.table import Table
from rich.panel import Panel
from rich.console import Group

def save(obj):
    f = open(config['otime_file'], "wb")
    pickle.dump(obj,f)
    f.close()

def start_parse():
    parser = argparse.ArgumentParser(description='Event manager')
    subparsers = parser.add_subparsers(dest='command')
    open_event = subparsers.add_parser('continue', help='Open pickle')
    open_event.add_argument('--file', help='.otime file')

    args = parser.parse_args()

    if args.command == 'continue':
        print('Later ' + args.file)
    else:
        print('Starter fra scratch')
        start_event()
def start_event():
    global event
    event = otime.event(0, config['event_name'])
    event.import_ttime_cnf(config['cnf_file'])
    event.import_ttime_db(config['db_file'])
    save(event)
    global db_file
    global db_file_u
    db_file = open(config['db_file'], 'r', encoding='latin_1').read().splitlines()
def load_event(ot_file):
    global event
    f = open(ot_file, "r")
    event = pickle.load(f)
    f.close()
    global db_file
    global db_file_u
    db_file = open(config['db_file'], 'r', encoding='latin_1').read().splitlines()

def assign_card_r_to_runner(runners, card_r):
    for n in runners:
        if n.card == card_r.card:
            n.card_r = card_r
            print(runner_info(n))

def runner_info(runner):
    time = str(datetime.timedelta(seconds=runner.totaltime()))
    if runner.status() == 'Disqualified':
        dsqp = Panel.fit(f'Løype:      {runner.o_class.course.codes}\nRegistrert: {runner.card_r.controls}', border_style='red')
        cont = Group(f'Status: {runner.status()}',dsqp)
        panel = Panel.fit(cont, title=runner.fullname(), border_style='red')
    elif runner.status() == 'OK':
        cont = f'Status: {runner.status()}\nTid: {time}'
        panel = Panel.fit(cont, title=runner.fullname(), border_style='green')
    elif runner.status() == 'Active':
        cont = ''
        panel = Panel.fit(cont, title=runner.fullname())
    return panel

async def main():
    async def mtr_listener():
        mtr = serial.Serial(port=config['port'], baudrate=9600, timeout=40)
        while True:
            mtr.read_until(expected=b'\xFF\xFF\xFF\xFF')
            size = mtr.read(size=1)
            if size == b'\xe6':
                meat = mtr.read(229)
                full = b'\xFF\xFF\xFF\xFF' + size + meat
                card_r = otime.card_punch.from_mtr_bytes(full)
                event.card_punches.append(card_r)
                assign_card_r_to_runner(event.runners, card_r)
            elif size == b'\x37':
                meat = mtr.read(55)
                status = mtrreader.MtrStatusMessage(meat)
                inspect(status)
                print(status.year(),status.month(),status.day(),status.hours(),status.minutes())
    asyncio.create_task(mtr_listener())

    async for changes in awatch(config['db_file']):
        print('😵')
        global event
        global db_file
        global db_file_u
        db_file_u = open(config['db_file'], 'r', encoding='latin_1').read().splitlines()
        d = Differ()
        result = list(d.compare(db_file, db_file_u))
        db_file = db_file_u

        added_raw = []
        removed_raw = []
        added = []
        removed = []
        changed = []
        for line in result:
            if line[:1] == '+':
                #print(line)
                clean = str(line).replace('+ ', '').split(';')
                runner = otime.runner.from_string(clean, event.o_classes)
                inspect(runner)
                if runner.first != None:
                    added_raw.append(runner)

            elif line[:1] == '-':
                #print(line)
                clean = str(line).replace('- ', '').split(';')
                runner = otime.runner.from_string(clean, event.o_classes)
                if runner.first != None:
                    removed_raw.append(runner)

        for plus in added_raw:
            for index, minus in enumerate(removed_raw):
                if plus.id == minus.id:
                    changed.append(plus)
                    removed_raw[index] = plus
                    break

        added = [x for x in added_raw if x not in changed]
        removed = [x for x in removed_raw if x not in changed]
        #print(len(added_raw),len(removed_raw))
        #print(len(added),len(removed),len(changed))

        event.runners.extend(added)
        for n in added:
            print(f'[green]Added: {n.fullname()}, {n.o_class.name}, {n.card}[green]')

        for r in removed:
            for n in event.runners:
                if n.id == r.id:
                    print(f'[red]Removed: {n.fullname()}, {n.o_class.name}, {n.card}')
                    event.runners.remove(n)

        for change in changed:
                for i, n in enumerate(event.runners):
                    if n.id == runner.id:
                        event.runners[i] = runner
                        print(f'[blue]Changed: {runner.fullname()}, {runner.o_class.name}, {runner.card}')
        event.match_runners_cards()
        event.get_xml_res().write(config['xml_res_file'])

db_file_u = None
if __name__ == "__main__":
    start_parse()
    asyncio.run(main())