from collections import OrderedDict

from bookstack import Bookstack
from vcinema_utils import VCinemaUtils

# Page ID of https://wiki.jacknet.io/books/vcinema/page/films-by-reference
PAGE_ID = 63


def get_hidden_themes(viewings, token_id, token_secret):
    # Bit horrible to need to request this again, but it affects the order of the result table
    viewings_ungrouped = VCinemaUtils.get_vcinema_viewings(token_id, token_secret, combine_repeat_viewings=False)

    # Copy keywords from grouped viewings to ungrouped viewings
    for viewing_ungrouped in viewings_ungrouped:
        for viewing in viewings:
            if viewing['imdb_id'] == viewing_ungrouped['imdb_id']:
                if 'keywords' in viewing:
                    viewing_ungrouped['keywords'] = viewing['keywords']
                    break

    viewings_filtered_watch_date = VCinemaUtils.filter_viewings(viewings_ungrouped, "date_watched")

    for date, viewings in viewings_filtered_watch_date.items():
        viewing_dict = {"viewings": viewings}

        viewings_filtered_watch_date[date] = viewing_dict

    # Add hidden themes
    for date, data in viewings_filtered_watch_date.items():
        hidden_themes = set()

        if len(data['viewings']) > 1:
            viewings_keywords = []

            for viewing in data['viewings']:
                if 'keywords' in viewing:
                    viewings_keywords.append(set(viewing['keywords']))

            if len(viewings_keywords) > 1:
                hidden_themes = set.intersection(*viewings_keywords)

        if hidden_themes != set():
            viewings_filtered_watch_date[date]['hidden_themes'] = list(hidden_themes)

    return viewings_filtered_watch_date


def update_page(token_id, token_secret, hidden_themes):
    page = build_page(hidden_themes)
    Bookstack.update_page(VCinemaUtils.JACKNET_WIKI_URL, token_id, token_secret, PAGE_ID, markdown=page)


def build_page(hidden_themes):
    hidden_themes = OrderedDict(sorted(hidden_themes.items(), key=lambda t: t[0]))

    table = "| Date | Films | Hidden Themes |\n| - | - | - |"

    for date, data in hidden_themes.items():
        table += "\n"

        row_data = []
        row_data.append(str(date))
        row_data.append(VCinemaUtils.get_film_list(data['viewings']))
        row_data.append(("<br>".join(k for k in sorted(data['hidden_themes']))) if 'hidden_themes' in data else "N/A")

        table += " | ".join(row_data)

    return table