## env approximation ##
'''
import datetime, json, time

class Self:
    def __init__(self):
        self.path = ""
        self.WEEKDAY_NAMES_ROD = ["понеділка", "вівторка", "середи", "четверга", "п'ятниці", "суботи", "неділі"]
        self.WEEKDAY_NAMES_ROD_WITH_NEXT = ["наступного понеділка", "наступного вівторка", "наступної середи", "наступного четверга", "наступної п'ятниці", "наступної суботи", "наступної неділі"]
        self.WEEKDAY_NAMES_ROD_WITH_THIS = ["цього понеділка", "цього вівторка", "цієї середи", "цього четверга", "цієї п'ятниці", "цієї суботи", "цієї неділі"]


def readfile(path):
    return open(path).read()

self = Self()
'''


## code ##
if self.MESSAGE["text"].lower() == "!пара":
    current_time = datetime.datetime.now()
    
    current_week = current_time.isocalendar()[1] % 2
    current_day = current_time.weekday()
    current_seconds = current_week*604800 + current_day*86400 + current_time.hour*3600 + current_time.minute*60 + current_time.second
    reference_time = int(current_time.strftime("%s")) - current_seconds
    
    # baking defined schedule
    raw_schedule = json.loads( readfile(self.path + "schedule.json") )
    schedule = {}
    for day in range(len(raw_schedule)):
        for i in raw_schedule[day]:
            ts = day*86400 + int(i.split(":")[0])*3600 + int(i.split(":")[1])*60
            new_item = dict(raw_schedule[day][i])
            new_item["source"] = "schedule"
            schedule[ts] = new_item
    
    # baking additions (extra pairs)
    raw_additions = json.loads( readfile(self.path + "additions.json") )
    additions = {}
    for day in range(len(raw_additions)):
        for i in raw_additions[day]:
            ts = day*86400 + int(i.split(":")[0])*3600 + int(i.split(":")[1])*60
            new_item = dict(raw_additions[day][i])
            new_item["source"] = "additions"
            schedule[ts] = new_item
    
    full_schedule = dict(list(schedule.items()) + list(additions.items()))
    
    print("test1")
    print(f"Full schedule printout: {full_schedule}")
    print(f"Current delta_time: {current_seconds}")
    p = None
    next_pair_time = None

    key_list = list(full_schedule.keys())
    key_list.sort()
    for i in key_list:
        if i > current_seconds - 5400:
            p = full_schedule[i]
            next_pair_time = i
            break

    print("test2")
    if next_pair_time == None:
        if len(full_schedule.keys()) > 0:
            print("test3.1")
            actual_pair_ts = reference_time + min(full_schedule.keys())
            dt_pair = datetime.datetime.fromtimestamp(actual_pair_ts)
            dt_pair_finish = datetime.datetime.fromtimestamp(actual_pair_ts + 5400)
            p = full_schedule[min(full_schedule.keys())]
            print("test3.1.1")

            print("{} == 6 && {} == 1, {}".format(current_day, dt_pair.strftime('%u'), str( ((current_day + 2) == int(dt_pair.strftime("%u"))) or ((str(current_day) == "6") and (dt_pair.strftime("%u") == "1")) )))

            human_readable_date = ""
            if ((current_day + 2) == int(dt_pair.strftime("%u"))) or ((str(current_day) == "6") and (dt_pair.strftime("%u") == "1")):
                human_readable_date += "завтра "
            elif current_week != int(dt_pair.strftime("%W")) % 2:
                human_readable_date += "{} ".format(self.WEEKDAY_NAMES_ROD_WITH_NEXT[int(dt_pair.strftime("%u")) - 1])
            elif current_day != (int(dt_pair.strftime("%u")) - 1):
                human_readable_date += "{} ".format(self.WEEKDAY_NAMES_ROD_WITH_THIS[int(dt_pair.strftime("%u")) - 1])
            else:
                human_readable_date += "сьогодні "

            print("test3.1.2")

            human_readable_date += "з "
            
            print("test3.1.3")
            human_readable_date += dt_pair.strftime("%H:%M")
            print("test3.1.4")

            human_readable_date += " до "
            human_readable_date += dt_pair_finish.strftime("%H:%M")

            self.RESPONCE = "Актуальна пара: {}\nДата: {}\nВикладач: {}\nПосилання на пару: {}".format(p['name'], human_readable_date, p['teacher'], p['link'])
            print("test3.1.5")
        else:
            self.RESPONCE = "Пар немає взагалі. Ми вільні!"

    else:
        print("test3.2")
        actual_pair_ts = reference_time + next_pair_time
        dt_pair = datetime.datetime.fromtimestamp(actual_pair_ts)
        dt_pair_finish = datetime.datetime.fromtimestamp(actual_pair_ts + 5400)

        human_readable_date = ""
        if ((current_day + 2) == int(dt_pair.strftime("%u"))) or ((str(current_day) == "6") and (dt_pair.strftime("%u") == "1")):
            human_readable_date += "завтра "
        elif current_week != int(dt_pair.strftime("%W")) % 2:
            human_readable_date += "{} ".format(self.WEEKDAY_NAMES_ROD_WITH_NEXT[int(dt_pair.strftime("%u")) - 1])
        elif current_day != (int(dt_pair.strftime("%u")) - 1):
            human_readable_date += "{} ".format(self.WEEKDAY_NAMES_ROD_WITH_THIS[int(dt_pair.strftime("%u")) - 1])
        else:
            human_readable_date += "сьогодні "

        human_readable_date += "з "
        human_readable_date += dt_pair.strftime("%H:%M")

        human_readable_date += " до "
        human_readable_date += dt_pair_finish.strftime("%H:%M")

        self.RESPONCE = "Актуальна пара: {}\nДата: {}\nВикладач: {}\nПосилання на пару: {}".format(p['name'], human_readable_date, p['teacher'], p['link'])

if self.MESSAGE["text"].lower().split()[0] == "!пари":
    command = self.MESSAGE["text"].lower().split()

    current_time = datetime.datetime.now()

    current_week = current_time.isocalendar()[1] % 2
    current_day = current_time.weekday()
    current_seconds = current_week*604800 + current_day*86400 + current_time.hour*3600 + current_time.minute*60 + current_time.second
    reference_time = int(current_time.strftime("%s")) - current_seconds

    # baking defined schedule
    raw_schedule = json.loads( readfile(self.path + "schedule.json") )
    schedule = {}
    for day in range(len(raw_schedule)):
        for i in raw_schedule[day]:
            ts = day*86400 + int(i.split(":")[0])*3600 + int(i.split(":")[1])*60
            new_item = dict(raw_schedule[day][i])
            new_item["source"] = "schedule"
            schedule[ts] = new_item

    # baking additions (extra pairs)
    raw_additions = json.loads( readfile(self.path + "additions.json") )
    additions = {}
    for day in range(len(raw_additions)):
        for i in raw_additions[day]:
            ts = day*86400 + int(i.split(":")[0])*3600 + int(i.split(":")[1])*60
            new_item = dict(raw_additions[day][i])
            new_item["source"] = "additions"
            schedule[ts] = new_item

    full_schedule = dict(list(schedule.items()) + list(additions.items()))

    preferences = {"name": True, "date": True, "teacher": True, "link": False}
    selected_day = current_week*7 + current_day

    if len(command) >= 2 and len(command[1]) > 0:
        if command[1][0] == "+":
            try:
                selected_day += int(command[1][1:])
            except Exception as e:
                print(f"[auto-schedule-pro:error] Got exception '{e}' while parsing {command[1]}")
        elif command[1][0] == "-":
            try:
                selected_day -= int(command[1][1:])
            except Exception as e:
                print(f"[auto-schedule-pro:error] Got exception '{e}' while parsing {command[1]}")
        else:
            try:
                selected_day = int(command[1])
            except Exception as e:
                print(f"[auto-schedule-pro:error] Got exception '{e}' while parsing {command[1]}")

    # keeping day in bounds
    while selected_day > 13:
        selected_day -= 14
    while selected_day < 0:
        selected_day += 14

    if len(command) > 2:
        for i in command[2:]:
            if len(i) >= 2:
                if i[1:] in preferences:
                    if i[0] == "+":
                        preferences[i[1:]] = True
                    elif i[0] == "-":
                        preferences[i[1:]] = False

    found_pairs = {}
    for i in full_schedule:
        if selected_day*86400 <= i < (selected_day+1)*86400:
            found_pairs[i] = dict(full_schedule[i])

    result_text = f"Пари у {self.WEEKDAY_NAMES_ZNAH[selected_day%7]}:\n\n"
    for i in found_pairs:
        actual_pair_ts = reference_time + i
        dt_pair = datetime.datetime.fromtimestamp(actual_pair_ts)
        dt_pair_finish = datetime.datetime.fromtimestamp(actual_pair_ts + 5400)
        p = found_pairs[i]

        human_readable_date = ""
        if ((current_day + 2) == int(dt_pair.strftime("%u"))) or ((str(current_day) == "6") and (dt_pair.strftime("%u") == "1")):
            human_readable_date += "завтра "
        elif current_week != int(dt_pair.strftime("%W")) % 2:
            human_readable_date += "{} ".format(self.WEEKDAY_NAMES_ROD_WITH_NEXT[int(dt_pair.strftime("%u")) - 1])
        elif current_day != (int(dt_pair.strftime("%u")) - 1):
            human_readable_date += "{} ".format(self.WEEKDAY_NAMES_ROD_WITH_THIS[int(dt_pair.strftime("%u")) - 1])
        else:
            human_readable_date += "сьогодні "

        human_readable_date += "з "
        human_readable_date += dt_pair.strftime("%H:%M")

        human_readable_date += " до "
        human_readable_date += dt_pair_finish.strftime("%H:%M")


        if preferences['name']:
            result_text += f"Назва: {p['name']}\n"
        if preferences['date']:
            result_text += f"Дата: {human_readable_date}\n"
        if preferences['teacher']:
            result_text += f"Викладач: {p['teacher']}\n"
        if preferences['link']:
            result_text += f"Посилання на пару: {p['link']}\n"

        result_text += "\n"

    self.RESPONCE = result_text