#!/usr/bin/env python
import otime
from config import config
import datetime
import os
from time import sleep
import serial
import pickle
import argparse
from difflib import Differ
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))
            break
    else:
        cont = f'Brikke ikke registrert på noen løper\nId: {card_r.card}\nPoster: {card_r.controls}'
        panel = Panel.fit(cont, title=str(card_r.card), border_style='white')
        print(panel)

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

def read_db_changes():
    global event
    global db_file
    global db_file_u
    print('DB file changed')
    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] == '+':
            clean = str(line).replace('+ ', '').split(';')
            runner = otime.Runner.from_string(clean, event.o_classes)
            if runner.first != None:
                added_raw.append(runner)

        elif line[:1] == '-':
            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]')
        if n.status != 'Active':
            print(runner_info(n))

    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}')
                    if n.status != 'Active':
                        print(runner_info(n))
    event.match_runners_cards()
    event.get_xml_res().write(config['xml_res_file'])

def read_mtr(mtr):
    global event
    if mtr.in_waiting > 0:
        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.CardDump.from_mtr_bytes(full)
            event.card_dumps.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())
        event.get_xml_res().write(config['xml_res_file'])

def main():
    global event
    global db_file
    global db_file_u
    mtr = serial.Serial(port=config['port'], baudrate=9600, timeout=40)
    db_file_date = os.path.getctime(config['db_file'])
    while True:
        if db_file_date != os.path.getctime(config['db_file']):
            db_file_date = os.path.getctime(config['db_file'])
            read_db_changes()
        read_mtr(mtr)
        sleep(0.1)

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