import json, sys, os, glob
from collections import namedtuple
from dateutil import parser

Episode = namedtuple('Episode', ['n', 'date', 'title'])
WellFormed = namedtuple('WE', ['n', 'date', 'title', 'season'])
EpCounter = namedtuple('EpCounter', ['abs', 'rel'])


def reset(counter, season):
    season += 1 # we are calling reset from the previous
    if season == 11:
        rel = 136
    elif season == 12:
        rel = 236
    else:
        rel = 1
    return EpCounter(counter.abs, rel)


def inc(counter):
    return EpCounter(counter.abs + 1, counter.rel + 1)

mesi = ["gennaio", "febbraio", "marzo", "aprile", "maggio",
        "giugno", "luglio", "agosto", "settembre", "ottobre", "novembre", "dicembre"]
months= ["january", "february", "march", "april", "may",
        "june", "july", "august", "september", "october", "november", "december"]
month_table = dict(zip(mesi, months))
def parse_date(dstr):
    dstr = dstr.lower()
    for k, v in month_table.items():
        if k in dstr:
            dstr = dstr.replace(k, v)
    return parser.parse(dstr) 

counter = EpCounter(1, 1)

melevisione = dict()
scarti = {'Il Genio della pietra'}
for i in range(1, 18):

    with open(f'{i}.txt', 'r') as fp:
        c = json.loads(fp.read())
        eps = [Episode(i[0], i[1], i[2]) for i in c]
        eps = [e for e in eps if e[2] not in scarti]
        melevisione[i] = eps
expected = {
    1: 103,
    2: 162,
    3: 151,
    4: 127,
    5: 144,
    6: 165,
    7: 144,
    8: 156,
    9: 130,
    10: 135,
    11: 100,
    12: 128,
    13: 45,
    14: 100,
    15: 100,
    16: 75,
    17: 70
}

def make(n, maybedate, maybetitle, stagione):
    def clean(str):
        
        str = str.replace('º', '').replace('\n', ' ')
        if '<ref' in str:
            idx = str.index('<ref')
            str = str[:idx]
        starters = [
            '25 dicembre 2002',
            '8 dicembre 2003',
            '21 ottobre 2003',
            '19 novembre 2003',
            '13 gennaio 2004',
            '14 gennaio 2004',
            '12 gennaio 2004',
        ]
        for s in starters:
            if str.startswith(s):
                return s
        str = str.replace('º', '1')
        return str.strip()

    maybedate = clean(maybedate.strip())
    maybetitle = clean(maybetitle.strip())

    if maybedate.startswith('24 aprile 2001'): # 11 settembre
        return WellFormed(134, "11 April 2001", 'Tanti auguri a te', stagione)
    elif not maybetitle[-4:].isdigit() and maybedate[-4:].isdigit():
        return WellFormed(n, maybedate, maybetitle, stagione)
    elif maybetitle[-4:].isdigit() and not maybedate[-4:].isdigit():
        return WellFormed(n, maybetitle, maybedate, stagione)
    else:
        raise Exception(f'Dunno: {n}|{maybedate}|{maybetitle}|{stagione}')

# assertions

acc = []
for k, v in melevisione.items():
    if expected[k] == len(v):
        # print(f'Stagione {k} OK')
        pass
    else:
        missing = f'{k}, {expected[k]}, {len(v)}'
        segnate = set(map(lambda x: int(x[0]), v))
        wanted = set(range(1, expected[k]))
        print(wanted - segnate)
        assert False

    for ep in v:
        # ep_ = Episode(int(ep.n), ep.date, ep.title)  # TODO: parse date
        n = int(ep.n)

        if counter.abs != n and counter.rel != n:
            assert False, f'{ep}|{counter}|stagione={k}'
        else:
            counter = inc(counter)

        # parsed = Episode(counter.abs, parsed_date, ep.title)
        ep_ = make(ep.n, ep.date, ep.title, k)
        print(f'FFFFFFF - {ep}|{ep_}')
        date = parse_date(ep_.date)
            # acc.append(ep)

    counter = reset(counter, k)