import base64
import io
import json
import re
from typing import Callable, TypeVar
import meme_generator
from meme_generator import WebcomicPanel, OneCharacterWebcomicPanel, TwoCharacterWebcomicPanel, TitleCardWebcomicPanel, add_watermark, create_webcomic
from RDramaAPIInterface import RDramaAPIInterface
from datetime import datetime
from os.path import exists, join, realpath, split
from threading import Timer
from BotModels import Base, Comment, Post, User
from sqlalchemy import create_engine
from sqlalchemy.orm import Session
import os
from markdown import markdown
from bs4 import BeautifulSoup
from utils import get_real_filename

TEST_MODE = True
TEST_AUTH_TOKEN = "ED3eURMKP9FKBFbi-JUxo8MPGWkEihuyIlAUGtVL7xwx0NEy4Nf6J_mxWYTPgAQx1iy1X91hx7PPHyEBS79hvKVIy5DMEzOyAe9PAc5pmqSJlLGq_-ROewMwFzGrqer4"
MINUTES_BEFORE_FORCED_SHUTDOWN = 10
DB_FILENAME = "automeme_database.db"
PAGES_TO_SCAN = 5
AUTOMEME_ID = 13427
ALLOWED_COMMENTS_PER_POST = 20
ALLOWED_COMMENTS_PER_USER_PER_DAY = 20

EMOJI_REGEX = r":[^ ]*:"
IMAGE_REGEX = r"!\[\]\(/images/([1234567890]*)\.webp\)"
PARSED_IMAGE_REGEX = r"IMAGE:/images/[1234567890]*\.webp"
INJECTABLE_IMAGE_REGEX = r"IMAGE:/images/\1\.webp"

# rdrama = RDramaAPIInterface(TEST_AUTH_TOKEN, "localhost", sleep=5, https=False)
# print(open('emoji_cache/klanjak.webp', 'rb'))

# image = meme_generator.create_classic_meme_from_emoji("marseyannoyed", "THAT FACE WHEN YOU", "FORGET TO TAKE OUT THE TRASH")
# output = io.BytesIO()
# image.save(output, format="webp")
# file = {'file': ('based.webp', output.getvalue(), 'image/webp')}
# rdrama.reply_to_comment_easy(175, 1, "assddsfssdssdsd", file=file)

def comment_with_image(message, image, comment_id, post_id):
    file = {'file': ('based.webp', image.get_binary(), 'image/webp')}
    return rdrama.reply_to_comment_easy(comment_id, post_id, message, file=file)['id']

class TextLine:
    def __init__(self, string):
        self.line = text_elements(string)
    
    @property
    def text(self) -> str:
        text = [i.text for i in self.line if isinstance(i, Text)]
        return " ".join(text)
    
    @property
    def captions(self) -> 'list[Text]':
        return [i for i in self.line if isinstance(i, Text)]

    @property
    def images(self) -> 'list[Image]':
        return [i for i in self.line if isinstance(i, Image)]

    @property
    def emojis(self) -> 'list[Emoji]':
        return [i for i in self.line if isinstance(i, Emoji)]

    @property
    def is_dialogue_line(self):
        return len(self.emojis) == 1 and len(self.captions) == 1
    
    @property
    def is_argument_line(self):
        return len(self.emojis) == 2 and (len(self.captions) == 2 or len(self.captions) == 1)
    
    @property
    def is_pure_text_line(self):
        return len(self.emojis) == 0 and len(self.images) == 0
    
    @property
    def is_big_marsey_line(self):
        return len(self.emojis) == 1 and self.emojis[0].big and len(self.captions) == 0

    @property
    def is_image_line(self):
        return len(self.images) == 1 and len(self.captions) == 0

class TextElement():
    pass

class Text(TextElement):
    def __init__(self, text):
        self.text = text
    
    def __repr__(self) -> str:
        return f"Text({self.text})"

class Image(TextElement):
    def __init__(self, link):
        self.link = link
    
    def __repr__(self) -> str:
        return f"Link({self.link})"

class Emoji(TextElement):
    def __init__(self, emoji, big):
        self.emoji = emoji
        self.big = big
    
    def __repr__(self) -> str:
        return f"Emoji({self.emoji}, big={self.big})"

def get_text_only(text_elements : list[TextElement]) -> str:
    text = [i.text for i in text_elements if isinstance(i, Text)]
    return " ".join(text)

def text_elements(string : str):
    FULL_REGEX = rf"({EMOJI_REGEX})|({PARSED_IMAGE_REGEX})"
    elements = re.split(FULL_REGEX, string)
    to_return = []
    for element in elements:
        if element == None:
            continue
        if element.strip() == "":
            continue
        if re.match(EMOJI_REGEX, element):
            if "#" in element:
                big = True
                element = element.replace("#","")
            else:
                big = False
            element = element.strip(":")
            to_return.append(Emoji(element, big))
        elif re.match(PARSED_IMAGE_REGEX, element):
            to_return.append(Image(element.strip()[6:]))
        else:
            to_return.append(Text(element.strip()))
    return to_return

def strip_markdown(markdown_string):
    markdown_string = re.sub(IMAGE_REGEX, INJECTABLE_IMAGE_REGEX, markdown_string)
    markdown_string = re.sub(">.*\n", "", markdown_string)
    try: 
        html = markdown(markdown_string)
    except AttributeError:
        html = markdown_string #if there is no markdown in the string you get an error 
    soup = BeautifulSoup(html, "html.parser")
    text = ''.join(soup.findAll(text=True))
    text = re.sub(r"!blackjack[^ ]*", "", text)
    text = re.sub(r"fortune", "", text)
    text = re.sub(r"factcheck", "", text)
    text = re.sub("!slots.*?\s", "", text)
    text = re.sub(r"\"", "'", text)
    
    # make sure there are only letters in the string.
    if len(set(list(text.lower())).intersection(set(["a",'b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z']))) == 0:
        return ""

    text = re.sub("@(.*?)\s", "", text)
    text = re.sub("!slots.*?\s", "", text)

    text = re.sub("(?i)trans lives matter", "", text)

    return text

def remove_duplicates(list):
    return [json.loads(j) for j in set([json.dumps(i) for i in list])]

def get_eligible_comments(rdrama : RDramaAPIInterface, session : Session):
    comments = rdrama.get_comments(number_of_pages=PAGES_TO_SCAN)['data']
    comments = [comment for comment in comments if not comment['is_bot']] #No bots
    comments = [comment for comment in comments if not comment['author']['id'] == AUTOMEME_ID] #Don't reply to self
    comments = [comment for comment in comments if Post.get_number_of_replies(comment['post_id'], session) < ALLOWED_COMMENTS_PER_POST] #Don't spam posts
    comments = [comment for comment in comments if User.get_number_of_comments(comment['author']['id'], session) < ALLOWED_COMMENTS_PER_USER_PER_DAY] #Don't spam users
    comments = [comment for comment in comments if Comment.get_comment(comment['id'], session) is None] #Double check that we haven't replied to the comment
    comments = remove_duplicates(comments) #Remove the duplicates
    return comments

T = TypeVar('T')
def lambda_count(list : list[T], predicate : 'Callable[[T], bool]' ):
    return sum(1 for i in list if predicate(i))

def get_full_rdrama_image_url(partial_url) -> str:
    if (TEST_MODE):
        return f"http://localhost{partial_url}"
    else:
        return f"https://rdrama.net{partial_url}"

def main_processing_task(rdrama : RDramaAPIInterface, session : Session):
    is_chudded = False #Do we have the chud award?
    can_communicate = True #Can we send any message at all?
    is_pizzad = False
    rdrama.get_front_page()
    automeme_information = rdrama.get_user_information(AUTOMEME_ID)
    print(f"coins: {automeme_information['coins']} comments: {automeme_information['comment_count']}")
    for badge in automeme_information['badges']:
        if (badge['name'] == "Marsey Award"):
            print("We have the marsey award. STOP.")
            can_communicate = False
        if (badge['name'] == "Chud"):
            print("We have the CHUD award. CONTINUE")
            is_chudded = True
        if (badge['name'] == "Bird Site Award"):
            print("We have the Bird Site Award. STOP.")
            can_communicate = False
        if (badge['name'] == "Pizzashill Award"):
            print("We have the Pizzashill Award. CONTINUE.")
            is_pizzad = True

    if automeme_information['is_banned']:
        print("We are banned. STOP.")
        can_communicate = False
    
    if can_communicate:
        eligible_comments = get_eligible_comments(rdrama, session)
        for eligible_comment in eligible_comments:
            begin = datetime.now()
            under_post_limit = Post.get_number_of_replies(eligible_comment['post_id'], session) < ALLOWED_COMMENTS_PER_POST
            under_user_limit = User.get_number_of_comments(eligible_comment['author']['id'], session) < ALLOWED_COMMENTS_PER_USER_PER_DAY
            has_not_replied_to_comment = Comment.get_comment(eligible_comment['id'], session) is None

            if (not (under_post_limit and under_user_limit and has_not_replied_to_comment)):
                continue

            comment_text = eligible_comment['body']
            cleaned_comment_text = strip_markdown(comment_text)

            comment_lines = cleaned_comment_text.split("\n")
            comment_lines = [comment_line for comment_line in comment_lines if comment_line != ""]
            element_lines = [TextLine(line) for line in comment_lines]
            
            argument_lines_count, dialog_lines_count, text_lines_count, big_marsey_lines_count = 0,0,0,0
            
            dialog_lines = list(filter(lambda a : a.is_dialogue_line, element_lines))
            argument_lines = list(filter(lambda a : a.is_argument_line, element_lines))
            pure_text_lines = list(filter(lambda a : a.is_pure_text_line, element_lines))
            big_marsey_lines = list(filter(lambda a : a.is_big_marsey_line, element_lines))
            image_lines = list(filter(lambda a : a.is_image_line, element_lines))
            
            argument_lines_count = len(argument_lines)
            dialog_lines_count = len(dialog_lines)
            pure_text_lines_count = len(pure_text_lines)
            big_marsey_lines_count = len(big_marsey_lines)
            image_lines_count = len(image_lines)

            image = None
            if (dialog_lines_count == 2):
                #Soy vs Chad
                line1 = dialog_lines[0]
                line2 = dialog_lines[1]

                emoji1 = line1.emojis[0].emoji
                emoji2 = line2.emojis[0].emoji
                caption1 = line1.text
                caption2 = line2.text

                image = meme_generator.create_soy_vs_chad_meme(emoji1, emoji2, caption1, caption2)
            elif (big_marsey_lines_count == 1 and pure_text_lines_count == 1):
                # Modern Meme with Marsey
                text_line = pure_text_lines[0]
                marsey_line = big_marsey_lines[0]

                marsey = marsey_line.emojis[0].emoji
                caption = text_line.text

                image = meme_generator.create_modern_meme_from_emoji(marsey, caption)
            elif (image_lines_count == 1 and pure_text_lines_count == 1):
                # Modern Meme with Image
                text_line = pure_text_lines[0]
                image_line = image_lines[0]

                image = image_line.images[0].link
                full_image_url = get_full_rdrama_image_url(image)
                caption = text_line.text

                image = meme_generator.create_modern_meme_from_url(full_image_url, caption)
            elif (big_marsey_lines_count == 1 and pure_text_lines_count == 2):
                # Classic Meme with big marsey
                top_text_line = pure_text_lines[0]
                bottom_text_line = pure_text_lines[1]
                marsey_line = big_marsey_lines[0]

                emoji = marsey_line.emojis[0].emoji
                top_caption = top_text_line.text
                bottom_caption = bottom_text_line.text
                image = meme_generator.create_classic_meme_from_emoji(emoji, top_caption, bottom_caption)
            elif (image_lines_count == 1 and pure_text_lines_count == 2):
                # Classic Meme with Image
                top_text_line = pure_text_lines[0]
                bottom_text_line = pure_text_lines[1]
                image_line = image_lines[0]

                image = image_line.images[0].link
                full_image_url = get_full_rdrama_image_url(image)
                top_caption = top_text_line.text
                bottom_caption = bottom_text_line.text

                image = meme_generator.create_classic_meme_from_url(full_image_url, top_caption, bottom_caption)
            elif (argument_lines_count >= 1 or dialog_lines_count >= 1):
                panels : 'list[WebcomicPanel]' = []

                for element_line in element_lines:
                    if element_line.is_dialogue_line:
                        caption = element_line.text
                        emoji = element_line.emojis[0].emoji
                        if len(caption) > 100:
                            in_background = True
                        else:
                            in_background = False
                        oneCharacterWebcomicPanel = OneCharacterWebcomicPanel(emoji, caption, in_background)
                        panels.append(oneCharacterWebcomicPanel)
                    elif element_line.is_argument_line:
                        left_caption = element_line.captions[0].text
                        if len(element_line.captions) == 2:
                            right_caption = element_line.captions[1].text
                        else:
                            right_caption = ""
                        left_emoji = element_line.emojis[0].emoji
                        right_emoji = element_line.emojis[1].emoji
                        twoCharacterWebcomicPanel = TwoCharacterWebcomicPanel(left_emoji, left_caption, right_emoji, right_caption)
                        panels.append(twoCharacterWebcomicPanel)
                    elif element_line.is_pure_text_line:
                        panels.append(TitleCardWebcomicPanel(element_line.text))
                
                image = create_webcomic(panels)
            if image != None:
                image = add_watermark(image, eligible_comment['author']['username'])
                user_id = eligible_comment['author']['id']
                parent_comment_id = eligible_comment['id']
                post_id = eligible_comment['post_id']
                automeme_comment_id = comment_with_image("yo got a meme for ya nigga", image, eligible_comment['id'], eligible_comment['post_id'])
                Comment.create_new_comment(parent_comment_id, automeme_comment_id, session)
                Post.increment_replies(post_id, session)
                User.increase_number_of_comments(user_id, session)
                end = datetime.now()
                print(end-begin)

if __name__ == "__main__":
    TEST_AUTH_TOKEN = "ED3eURMKP9FKBFbi-JUxo8MPGWkEihuyIlAUGtVL7xwx0NEy4Nf6J_mxWYTPgAQx1iy1X91hx7PPHyEBS79hvKVIy5DMEzOyAe9PAc5pmqSJlLGq_-ROewMwFzGrqer4"
    print(f"======= RUNNING AT {datetime.now().hour}:{datetime.now().minute} ======= ")
    if TEST_MODE:
        website = "localhost"
        auth = TEST_AUTH_TOKEN
        https = False
        timeout = 1
        AUTOMEME_ID = 7
        OPERATOR_ID = 9
        ACTUALLY_CALL_OPEN_AI = False
    else:
        website = "rdrama.net"
        with open(get_real_filename("rdrama_auth_token"), "r") as f:
            auth = f.read()
        https = True
        timeout = 10
    rdrama = RDramaAPIInterface(auth, website, timeout, https=https)

    #Set up fail safe
    def exitfunc():
        print("*That's it, you're going in the retard squisher.*")
        print("FAILSAFE FORCED SHUTDOWN", datetime.now())
        os._exit(0)

    timer = Timer(60*MINUTES_BEFORE_FORCED_SHUTDOWN, exitfunc)
    timer.start()
    engine = create_engine(f"sqlite:///{get_real_filename(DB_FILENAME)}")
    Base.metadata.create_all(engine)

    with Session(engine) as session:
        main_processing_task(rdrama, session)
        session.commit()
        timer.cancel()