from interactions.models.discord import Embed
from interactions.api.events import MessageCreate
from interactions import EmbedAttachment, EmbedFooter, EmbedField
import re
from datetime import datetime

from api.mangadex import get_manga, search_manga, get_chapter


async def update_manga_thread(event: MessageCreate):
    chapter_discussion = [x.name for x in event.message.channel.applied_tags] in ["Diskuze o kapitole"]
    # ! Cannot get tags correctly for some reason

    find_link = re.findall(r"https://mangadex\.org/(chapter|title)/([0-9a-fA-F\-]+)",
                           event.message.channel.initial_post.content)
    if len(find_link) == 0:
        # If no link is found, try to manually find the manga
        if not chapter_discussion:
            # Discusses a manga series
            m = search_manga(event.message.channel.name, content_rating=["safe", "suggestive"])
        else:
            # TODO
            return
    else:
        # Get info for the specifically linked manga/chapter
        if find_link[0][0] == "chapter":
            m = get_chapter(find_link[0][1])
        else:
            m = get_manga(find_link[0][1])
    if m == {}:
        return

    chapter_title = None
    cover = None

    if m["type"] == "chapter" and chapter_discussion:
        # This runs if the forum thread is a chapter discussion: sets the chapter title if it exists and sends the
        # chapter-specific embed
        url = f"https://mangadex.org/chapter/{m['id']}"
        manga = [x for x in m["relationships"] if x["type"] == "manga"][0]
        chapter_title = m["attributes"]["title"]
        published_at = datetime.strptime(m["attributes"]["publishAt"], "%y-%m-%dT%H:%M:%S+%:z")
        if len([x for x in manga["attributes"]["tags"] if x["attributes"]["group"] == "format"]) == 0:
            oneshot = False
        else:
            oneshot = True
        groups = ', '.join([x["attributes"]["name"] for x in m["relationships"] if x["type"] == "scanlation_group"])

        title = manga["attributes"]["title"]["en"]
        fields = [
            EmbedField(
                name="Manga",
                value=manga["attributes"]["title"]["en"],
                inline=True
            ),
            EmbedField(
                name="Datum vydání",
                value=published_at.strftime("%A, %-d. %b %Y"),
                inline=True
            ),
            EmbedField(
                name="Vydala skupina",
                value=groups,
                inline=True
            ),
            EmbedField(
                name="Počet stran",
                value=m["attributes"]["pages"],
                inline=True
            ),
        ]

        await event.message.channel.edit(
            name=f'{manga["attributes"]["title"]["en"]}' if oneshot else f'{manga["attributes"]["title"]["en"]}, kapitola {m["attributes"]["chapter"]}')
    else:
        # otherwise sends the standard manga embed
        if m["type"] == "chapter":
            m = get_manga([x for x in m["relationships"] if x["type"] == "manga"][0]["id"])
        url = f"https://mangadex.org/title/{m['id']}"
        await event.message.channel.edit(name=f'{m["attributes"]["title"]["en"]}')
        cover = m["cover"]
        title = m["attributes"]["title"]["en"]
        fields = [
            EmbedField(
                name="Autor",
                value="Neznámý" if len(m["author"]) == 0 else m["author"][0],
                inline=True
            ),
            EmbedField(
                name="Kresby",
                value="Neznámý" if len(m["artist"]) == 0 else m["artist"][0],
                inline=True
            ),
            EmbedField(
                name="Značky",
                value=', '.join(m["tags"]),
                inline=True
            ),
            EmbedField(
                name="Stav",
                value="Vychází" if m["attributes"]["status"] == "ongoing" else "Kompletní" if
                m["attributes"]["status"] == "completed" else "Zrušeno"
                if m["attributes"]["status"] == "cancelled" else "Vydávání pozastaveno",
                inline=True
            ),
            EmbedField(
                name="Hodnocení obsahu",
                value="Nezávadné" if m["attributes"]["contentRating"] == "safe" else
                "Lechtivé" if m["attributes"]["contentRating"] == "suggestive" else
                "Erotika" if m["attributes"]["contentRating"] == "erotica" else "Pornografie",
                inline=True
            ),
            EmbedField(
                name="Rok vydání",
                value="Neznámý" if m["attributes"]["year"] is None else str(m["attributes"]["year"]),
                inline=True
            ),
            EmbedField(
                name="Poslední kapitola",
                value="Není" if m["attributes"]["lastChapter"] == "" else
                f'Kapitola {m["attributes"]["lastChapter"]}' if m["attributes"]["lastVolume"] == "" else
                f'Svazek {m["attributes"]["lastVolume"]}; kapitola {m["attributes"]["lastChapter"]}',
                inline=True
            ),
            EmbedField(
                name="Originální jazyk",
                value=m["originalLang"],
                inline=True
            ),
            EmbedField(
                name="Průměrné hodnocení",
                value=str(round(m["rating"]["bayesian"], 2)),
                inline=True
            ),
            EmbedField(
                name="Sledujících",
                value=str(m["follows"]),
                inline=True
            ),
        ]

    manga_em = Embed(title=f'{chapter_title if chapter_discussion and chapter_title is not None else title} ',
                     url=url,
                     fields=fields,
                     footer=EmbedFooter(text="Informace z mangadex.org", icon_url="https://mangadex.org/pwa/icons"
                                                                                  "/icon-180.png"),
                     description=m["attributes"]["description"]["en"],

                     images=[EmbedAttachment(url=None if cover is None else f"https://uploads.mangadex"
                                                                            f".org/covers/{m['id']}/{cover}")])
    # TODO: add X button so user can delete the embed if it's not the correct manga or smthn
    await event.message.channel.send(embed=manga_em)