import os
import time
import html
from io import BytesIO
from os import path
from shutil import copyfile
from sys import stdout
from urllib.parse import urlparse
import random
import subprocess

import gevent
import requests
from PIL import Image

from files.__main__ import app, cache, limiter
from files.classes import *
from files.helpers.actions import *
from files.helpers.alerts import *
from files.helpers.config.const import *
from files.helpers.get import *
from files.helpers.regex import *
from files.helpers.sanitize import *
from files.helpers.settings import get_setting
from files.helpers.slots import *
from files.helpers.sorting_and_time import *
from files.helpers.can_see import *
from files.routes.routehelpers import execute_shadowban_viewers_and_voters
from files.routes.wrappers import *

from .front import frontlist
from .users import userpagelisting

from files.__main__ import app, limiter, redis_instance

def _add_post_view(pid):
	db = db_session()

	p = db.query(Post).filter_by(id=pid).options(load_only(Post.views)).one()
	p.views += 1
	db.add(p)

	try: db.commit()
	except: db.rollback()
	db.close()
	stdout.flush()

@app.post("/publish/<int:pid>")
@limiter.limit('1/second', scope=rpath)
@limiter.limit('1/second', scope=rpath, key_func=get_ID)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400, key_func=get_ID)
@is_not_banned
def publish(pid, v):
	p = get_post(pid)

	if not p.private: return {"message": "Post published!"}

	if p.author_id != v.id: abort(403)

	p.private = False
	p.created_utc = int(time.time())
	g.db.add(p)

	p.chudded = v.chud and p.hole != 'chudrama' and not (p.is_longpost and not v.chudded_by)
	p.queened = v.queen and not p.is_longpost
	p.sharpened = v.sharpen and not p.is_longpost
	p.rainbowed = v.rainbow and not p.is_longpost

	p.title_html = filter_emojis_only(p.title, golden=False, obj=p, author=p.author)
	p.body_html = sanitize(p.body, golden=False, limit_pings=100, obj=p, author=p.author)

	if p.private or not complies_with_chud(p):
		abort(403, f'You have to include "{p.author.chud_phrase}" in your post!')

	notify_users = NOTIFY_USERS(f'{p.title} {p.body}', v, ghost=p.ghost, obj=p, followers_ping=False)

	if notify_users:
		cid, text = notif_comment_mention(p)
		if notify_users == 'everyone':
			alert_everyone(cid)
		else:
			for x in notify_users:
				add_notif(cid, x, text, pushnotif_url=p.permalink)


	cache.delete_memoized(frontlist)
	cache.delete_memoized(userpagelisting)

	execute_snappy(p, v)

	return {"message": "Post has been published successfully!"}

@app.get("/submit")
@app.get("/h/<hole>/submit")
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400, key_func=get_ID)
@auth_required
def submit_get(v, hole=None):
	hole = get_hole(hole, graceful=True)

	if request.path.startswith('/h/') and not hole: abort(404)

	return render_template("submit.html", v=v, hole=hole)

@app.get("/post/<int:pid>")
@app.get("/post/<int:pid>/<anything>")
@app.get("/h/<hole>/post/<int:pid>")
@app.get("/h/<hole>/post/<int:pid>/<anything>")
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
@auth_desired_with_logingate
def post_id(pid, v, anything=None, hole=None):
	p = get_post(pid, v=v)
	if not can_see(v, p): abort(403)

	if not g.is_api_or_xhr and p.nsfw  and not g.show_nsfw:
		return render_template("errors/nsfw.html", v=v)

	gevent.spawn(_add_post_view, pid)

	if p.new: defaultsortingcomments = 'new'
	elif v: defaultsortingcomments = v.defaultsortingcomments
	else: defaultsortingcomments = "hot"
	sort = request.values.get("sort", defaultsortingcomments)

	if sort == 'saves':
		sort = defaultsortingcomments

	if not v:
		result = cache.get(f'post_{p.id}_{sort}')
		if result:
			calc_users()
			return result

	if v:
		execute_shadowban_viewers_and_voters(v, p)
		# output is needed: see comments.py
		comments, output = get_comments_v_properties(v, None, Comment.parent_post == p.id, Comment.level < 10)

		if sort == "hot":
			pinned = [c[0] for c in comments.filter(Comment.stickied != None).order_by(Comment.created_utc.desc())]
			comments = comments.filter(Comment.stickied == None)

		comments = comments.filter(Comment.level == 1)
		comments = sort_objects(sort, comments, Comment)
		comments = [c[0] for c in comments]
	else:
		comments = g.db.query(Comment).filter(Comment.parent_post == p.id)

		if sort == "hot":
			pinned = comments.filter(Comment.stickied != None).order_by(Comment.created_utc.desc()).all()
			comments = comments.filter(Comment.stickied == None)

		comments = comments.filter(Comment.level == 1)
		comments = sort_objects(sort, comments, Comment)
		comments = comments.all()

	offset = 0
	ids = set()

	threshold = 100

	if p.comment_count > threshold+25 and not (v and v.client):
		comments2 = []
		count = 0
		if p.created_utc > 1638672040:
			for comment in comments:
				comments2.append(comment)
				ids.add(comment.id)
				count += g.db.query(Comment).filter_by(parent_post=p.id, top_comment_id=comment.id).count() + 1
				if count > threshold: break
		else:
			for comment in comments:
				comments2.append(comment)
				ids.add(comment.id)
				count += g.db.query(Comment).filter_by(parent_post=p.id, parent_comment_id=comment.id).count() + 1
				if count > 20: break

		if len(comments) == len(comments2): offset = 0
		else: offset = 1
		comments = comments2

	p.replies = comments

	if sort == "hot":
		pinned2 = {}
		for pin in pinned:
			if pin.level > 1:
				pinned2[pin.top_comment] = ''
				if pin.top_comment in comments:
					comments.remove(pin.top_comment)
			else:
				pinned2[pin] = ''

		p.replies = list(pinned2.keys()) + p.replies

	if v and v.client:
		return p.json

	template = "post.html"
	if p.is_banned and not (v and (v.admin_level >= PERMS['POST_COMMENT_MODERATION'] or p.author_id == v.id)):
		template = "post_banned.html"

	result = render_template(template, v=v, p=p, ids=list(ids),
		sort=sort, render_replies=True, offset=offset, hole=p.hole_obj,
		fart=get_setting('fart_mode'))

	if not v:
		cache.set(f'post_{p.id}_{sort}', result, timeout=3600)

	return result

@app.get("/view_more/<int:pid>/<sort>/<int:offset>")
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
@auth_desired_with_logingate
def view_more(v, pid, sort, offset):
	p = get_post(pid, v=v)

	try: ids = set(int(x) for x in request.values.get("ids").split(','))
	except: abort(400)

	if v:
		# output is needed: see comments.py
		comments, output = get_comments_v_properties(v, None, Comment.parent_post == pid, Comment.id.notin_(ids), Comment.level < 10)

		if sort == "hot":
			comments = comments.filter(Comment.stickied == None)

		comments = comments.filter(Comment.level == 1)
		comments = sort_objects(sort, comments, Comment)

		comments = [c[0] for c in comments]
	else:
		comments = g.db.query(Comment).filter(
				Comment.parent_post == pid,
				Comment.level == 1,
				Comment.id.notin_(ids)
			)

		if sort == "hot":
			comments = comments.filter(Comment.stickied == None)

		comments = sort_objects(sort, comments, Comment)

		comments = comments.offset(offset).all()

	comments2 = []
	count = 0
	if p.created_utc > 1638672040:
		for comment in comments:
			comments2.append(comment)
			ids.add(comment.id)
			count += g.db.query(Comment).filter_by(parent_post=p.id, top_comment_id=comment.id).count() + 1
			if count > 100: break
	else:
		for comment in comments:
			comments2.append(comment)
			ids.add(comment.id)
			count += g.db.query(Comment).filter_by(parent_post=p.id, parent_comment_id=comment.id).count() + 1
			if count > 20: break

	if len(comments) == len(comments2): offset = 0
	else: offset += 1
	comments = comments2

	return render_template("comments.html", v=v, comments=comments, p=p, ids=list(ids), render_replies=True, pid=pid, sort=sort, offset=offset)


@app.get("/more_comments/<int:cid>")
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
@auth_desired_with_logingate
def more_comments(v, cid):
	tcid = g.db.query(Comment.top_comment_id).filter_by(id=cid).one_or_none()[0]

	if v:
		# output is needed: see comments.py
		comments, output = get_comments_v_properties(v, None, Comment.top_comment_id == tcid, Comment.level > 9)
		comments = comments.filter(Comment.parent_comment_id == cid)
		comments = [c[0] for c in comments]
	else:
		c = get_comment(cid)
		comments = c.replies(sort=request.values.get('sort'))

	if comments: p = comments[0].post
	else: p = None

	return render_template("comments.html", v=v, comments=comments, p=p, render_replies=True)

def expand_url(post_url, fragment_url):
	if fragment_url.startswith("https://"):
		return fragment_url
	elif fragment_url.startswith("https://"):
		return f"https://{fragment_url.split('https://')[1]}"
	elif fragment_url.startswith('//'):
		return f"https:{fragment_url}"
	elif fragment_url.startswith('/') and '\\' not in fragment_url:
		parsed_url = urlparse(post_url)
		return f"https://{parsed_url.netloc}{fragment_url}"
	else:
		return f"{post_url}/{fragment_url}"


def postprocess_post(post_url, post_body, post_body_html, pid, generate_thumb, edit):
	with app.app_context():
		if post_url and (reddit_s_url_regex.fullmatch(post_url) or tiktok_t_url_regex.fullmatch(post_url)):
			post_url = normalize_url_gevent(post_url)

		if post_body:
			li = list(reddit_s_url_regex.finditer(post_body)) + list(tiktok_t_url_regex.finditer(post_body))
			for i in li:
				old = i.group(0)
				new = normalize_url_gevent(old)
				post_body = post_body.replace(old, new)
				post_body_html = post_body_html.replace(old, new)

		g.db = db_session()

		p = g.db.query(Post).filter_by(id=pid).options(load_only(Post.id)).one_or_none()
		p.url = post_url
		p.body = post_body
		p.body_html = post_body_html
		g.db.add(p)

		if not p.private and not edit:
			execute_snappy(p, p.author)

		g.db.commit()
		g.db.close()

		stdout.flush()


		#thumbnail
		if not generate_thumb: return

		if post_url.startswith('/') and '\\' not in post_url:
			post_url = f"{SITE_FULL}{post_url}"

		try:
			x = requests.get(post_url, headers=HEADERS, timeout=5, proxies=proxies)
		except:
			return

		if x.status_code != 200:
			return

		if x.headers.get("Content-Type","").startswith("text/html"):
			soup = BeautifulSoup(x.content, 'lxml')

			thumb_candidate_urls = []

			for tag_name in ("twitter:image", "og:image", "thumbnail"):
				tag = soup.find('meta', attrs={"name": tag_name, "content": True})
				if not tag:
					tag = soup.find('meta', attrs={"property": tag_name, "content": True})
				if tag:
					thumb_candidate_urls.append(expand_url(post_url, tag['content']))

			for tag in soup.find_all("img", attrs={'src': True}):
				thumb_candidate_urls.append(expand_url(post_url, tag['src']))

			for url in thumb_candidate_urls:
				try:
					image_req = requests.get(url, headers=HEADERS, timeout=5, proxies=proxies)
				except:
					continue

				if image_req.status_code >= 400:
					continue

				if not image_req.headers.get("Content-Type","").startswith("image/"):
					continue

				if image_req.headers.get("Content-Type","").startswith("image/svg"):
					continue

				with Image.open(BytesIO(image_req.content)) as i:
					if i.width < 30 or i.height < 30:
						continue
				break
			else:
				return
		elif x.headers.get("Content-Type","").startswith("image/"):
			image_req = x
			with Image.open(BytesIO(x.content)) as i:
				size = len(i.fp.read())
				if size > 8 * 1024 * 1024:
					return
		else:
			return

		name = f'/images/{time.time()}'.replace('.','') + '.webp'

		with open(name, "wb") as file:
			for chunk in image_req.iter_content(1024):
				file.write(chunk)

		g.db = db_session()

		p = g.db.query(Post).filter_by(id=pid).options(load_only(Post.author_id)).one_or_none()

		thumburl = process_image(name, None, resize=99, uploader_id=p.author_id)

		if thumburl:
			p.thumburl = thumburl
			g.db.add(p)

		g.db.commit()
		g.db.close()

	stdout.flush()


@app.post("/is_repost")
@limiter.limit('1/second', scope=rpath)
@limiter.limit('1/second', scope=rpath, key_func=get_ID)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400, key_func=get_ID)
@auth_required
def is_repost(v):
	not_a_repost = {'permalink': ''}
	if not FEATURES['REPOST_DETECTION']:
		return not_a_repost

	url = request.values.get('url')
	if not url or len(url) < MIN_REPOST_CHECK_URL_LENGTH:
		abort(400)

	if reddit_s_url_regex.fullmatch(url) or tiktok_t_url_regex.fullmatch(url):
		url = normalize_url_gevent(url)

	url = normalize_url(url)

	url = escape_for_search(url)

	repost = g.db.query(Post).filter(
		Post.url.ilike(url),
		Post.deleted_utc == 0,
		Post.is_banned == False
	).first()

	if repost: return {'permalink': repost.permalink}
	else: return not_a_repost

@app.post("/submit")
@app.post("/h/<hole>/submit")
@limiter.limit('1/second', scope=rpath)
@limiter.limit('1/second', scope=rpath, key_func=get_ID)
@limiter.limit('20/day', deduct_when=lambda response: response.status_code < 400)
@limiter.limit('20/day', deduct_when=lambda response: response.status_code < 400, key_func=get_ID)
@auth_required
def submit_post(v, hole=None):
	flag_private = request.values.get("private", False, bool)
	if v.is_permabanned or (v.is_banned and not flag_private):
		abort(403, "You can't perform this action while banned!")

	url = request.values.get("url", "").strip()

	if '\\' in url: abort(400)

	title = request.values.get("title", "").strip()
	if len(title) > POST_TITLE_LENGTH_LIMIT:
		abort(400, f'Post title is too long (max {POST_TITLE_LENGTH_LIMIT} characters)')

	body = request.values.get("body", "").strip()
	if len(body) > POST_BODY_LENGTH_LIMIT(g.v):
		abort(400, f'Post body is too long (max {POST_BODY_LENGTH_LIMIT(g.v)} characters)')

	if not title:
		abort(400, "Please enter a better title!")

	hole = request.values.get("hole", "").lower().replace('/h/','').strip()

	if SITE == 'rdrama.net' and (v.chud == 1 or v.id == 253):
		hole = 'chudrama'

	if SITE == 'rdrama.net' and v.id == 10947:
		hole = 'mnn'

	if hole == 'changelog':
		abort(400, "/h/changelog is archived")

	if hole in {'furry','vampire','racist','femboy','edgy'} and not v.client and not v.house.lower().startswith(hole):
		abort(400, f"You need to be a member of House {hole.capitalize()} to post in /h/{hole}")

	if hole and hole != 'none':
		hole_name = hole.strip().lower()
		hole = g.db.query(Hole).options(load_only(Hole.name)).filter_by(name=hole_name).one_or_none()
		if not hole: abort(400, f"/h/{hole_name} not found!")

		if not can_see(v, hole):
			if hole.name == 'highrollerclub':
				abort(403, f"Only {patron}s can post in /h/{hole}")
			abort(403, f"You're not allowed to post in /h/{hole}")

		hole = hole.name
		if v.exiler_username(hole): abort(400, f"You're exiled from /h/{hole}")
	else: hole = None

	if not hole and HOLE_REQUIRED:
		abort(400, f"You must choose a hole for your post!")

	if v.longpost and (len(body) < 280 or ' [](' in body or body.startswith('[](')):
		abort(400, "You have to type more than 280 characters!")
	elif v.bird and len(body) > 140:
		abort(400, "You have to type less than 140 characters!")


	embed = None

	if url:
		url = normalize_url(url)

		domain = tldextract.extract(url).registered_domain

		if v.admin_level < PERMS["IGNORE_DOMAIN_BAN"]:
			combined = (domain + urlparse(url).path).lower()
			for x in g.db.query(BannedDomain):
				if combined.startswith(x.domain):
					abort(400, f'Remove the banned link "{x.domain}" and try again!\nReason for link ban: "{x.reason}"')

		if domain == "twitter.com":
			try:
				embed = requests.get("https://publish.twitter.com/oembed", params={"url":url, "omit_script":"t"}, headers=HEADERS, timeout=5).json()["html"]
				embed = embed.replace('<a href', '<a rel="nofollow noopener" href')
			except: pass
		elif url.startswith('https://youtube.com/watch?'):
			embed = handle_youtube_links(url)
		elif SITE in domain and "/post/" in url and "context" not in url and url.count('/') < 6:
			id = url.split("/post/")[1]
			if "/" in id: id = id.split("/")[0]
			embed = str(int(id))


	if not url and not body and not request.files.get("file") and not request.files.get("file-url"):
		abort(400, "Please enter a url or some text!")

	if not IS_LOCALHOST:
		dup = g.db.query(Post).filter(
			Post.author_id == v.id,
			Post.deleted_utc == 0,
			Post.title == title,
			Post.url == url,
			Post.body == body
		).one_or_none()
		if dup:
			return {"post_id": dup.id, "success": False}

	if not execute_antispam_post_check(title, v, url):
		abort(403, "You have been banned for 1 day for spamming!")

	if len(url) > 2048:
		abort(400, "There's a 2048 character limit for URLs!")

	body = process_files(request.files, v, body).strip()
	if len(body) > POST_BODY_LENGTH_LIMIT(g.v):
		abort(400, f'Post body is too long (max {POST_BODY_LENGTH_LIMIT(g.v)} characters)')

	flag_notify = (request.values.get("notify", "on") == "on")
	flag_new = request.values.get("new", False, bool) or 'megathread' in title.lower()
	flag_nsfw = FEATURES['NSFW_MARKING'] and request.values.get("nsfw", False, bool)
	flag_effortpost = request.values.get("effortpost", False, bool)
	flag_ghost = request.values.get("ghost", False, bool) and v.can_post_in_ghost_threads

	if flag_ghost: hole = None

	if embed and len(embed) > 1500: embed = None
	if embed: embed = embed.strip()

	if url and url.startswith(f'{SITE_FULL}/'):
		url = url.split(SITE_FULL)[1]

	if url == '': url = None

	p = Post(
		private=flag_private,
		notify=flag_notify,
		author_id=v.id,
		nsfw=flag_nsfw,
		new=flag_new,
		app_id=v.client.application.id if v.client else None,
		is_bot=(v.client is not None),
		url=url,
		body=body,
		embed=embed,
		title=title,
		hole=hole,
		ghost=flag_ghost,
	)

	if SITE_NAME == 'WPD':
		p.cw = request.values.get("cw", False, bool)

	if not p.private:
		p.chudded = v.chud and hole != 'chudrama' and not (p.is_longpost and not v.chudded_by)
		p.queened = v.queen and not p.is_longpost
		p.sharpened = v.sharpen and not p.is_longpost
		p.rainbowed = v.rainbow and not p.is_longpost

	title_html = filter_emojis_only(title, count_emojis=True, obj=p, author=v)

	if v.hieroglyphs and not marseyaward_title_regex.fullmatch(title_html):
		abort(400, "You can only type marseys!")

	p.title_html = title_html

	body_html = sanitize(body, count_emojis=True, limit_pings=100, obj=p, author=v)

	if v.hieroglyphs and marseyaward_body_regex.search(body_html):
		abort(400, "You can only type marseys!")

	if len(body_html) > POST_BODY_HTML_LENGTH_LIMIT:
		abort(400, "Rendered post body is too long!")

	p.body_html = body_html

	g.db.add(p)
	g.db.flush()

	execute_under_siege(v, p, p.body, 'post')

	process_options(v, p)

	for text in {p.body, p.title, p.url}:
		if execute_blackjack(v, p, text, 'post'): break

	vote = Vote(user_id=v.id,
				vote_type=1,
				post_id=p.id,
				coins=0
				)
	g.db.add(vote)

	if request.files.get('file-url') and not g.is_tor:
		file = request.files['file-url']

		if file.content_type.startswith('image/'):
			name = f'/images/{time.time()}'.replace('.','') + '.webp'
			file.save(name)
			p.url = process_image(name, v)

			name2 = name.replace('.webp', 'r.webp')
			copyfile(name, name2)
			p.thumburl = process_image(name2, v, resize=99)
		elif file.content_type.startswith('video/'):
			p.url = process_video(file, v)
			name = f'/images/{time.time()}'.replace('.','') + '.webp'
			try:
				subprocess.run(["ffmpeg", "-loglevel", "quiet", "-y", "-i", p.url, "-vf", "scale='iw':-2", "-q:v", "3", "-frames:v", "1", name], check=True, timeout=30)
			except:
				if os.path.isfile(name):
					os.remove(name)
			else:
				p.posterurl = SITE_FULL_IMAGES + name
				name2 = name.replace('.webp', 'r.webp')
				copyfile(name, name2)
				p.thumburl = process_image(name2, v, resize=99)
		elif file.content_type.startswith('audio/'):
			p.url = process_audio(file, v)
		else:
			abort(415)

	if not p.private and not complies_with_chud(p):
		p.is_banned = True
		p.ban_reason = "AutoJanny"

		body = random.choice(CHUD_MSGS).format(username=v.username, type='post', CHUD_PHRASE=v.chud_phrase)
		body_jannied_html = sanitize(body)


		c_jannied = Comment(author_id=AUTOJANNY_ID,
			parent_post=p.id,
			level=1,
			nsfw=False,
			is_bot=True,
			app_id=None,
			distinguished=True,
			body=body,
			body_html=body_jannied_html,
			ghost=p.ghost
		)

		g.db.add(c_jannied)
		g.db.flush()

		p.comment_count += 1
		g.db.add(p)

		c_jannied.top_comment_id = c_jannied.id

		n = Notification(comment_id=c_jannied.id, user_id=v.id)
		g.db.add(n)

		autojanny = g.db.get(User, AUTOJANNY_ID)
		autojanny.comment_count += 1
		g.db.add(autojanny)

	if not p.private:
		notify_users = NOTIFY_USERS(f'{title} {body}', v, ghost=p.ghost, obj=p, followers_ping=False)

		if notify_users:
			cid, text = notif_comment_mention(p)
			if notify_users == 'everyone':
				alert_everyone(cid)
			else:
				for x in notify_users:
					add_notif(cid, x, text, pushnotif_url=p.permalink)

	v.post_count += 1
	g.db.add(v)

	if v.id in PINNED_POSTS_IDS and not p.ghost and not (p.hole and p.hole_obj.stealth):
		p.stickied_utc = time.time() + PINNED_POSTS_IDS[v.id] * 3600
		p.stickied = "AutoJanny"

	cache.delete_memoized(frontlist)
	cache.delete_memoized(userpagelisting)

	g.db.flush() #Necessary, do NOT remove

	generate_thumb = (not p.thumburl and p.url and p.domain != SITE)
	gevent.spawn(postprocess_post, p.url, p.body, p.body_html, p.id, generate_thumb, False)

	if flag_effortpost and not (SITE_NAME == 'WPD' and v.truescore < 500):
		body = f"@{v.username} has requested that [{p.title}](/post/{p.id}) be marked as an effortpost!"
		alert_admins(body)

	if v.client: return p.json
	else:
		p.voted = 1
		return {"post_id": p.id, "success": True}

@app.post("/delete/post/<int:pid>")
@limiter.limit('1/second', scope=rpath)
@limiter.limit('1/second', scope=rpath, key_func=get_ID)
@limiter.limit(DELETE_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
@limiter.limit(DELETE_RATELIMIT, deduct_when=lambda response: response.status_code < 400, key_func=get_ID)
@auth_required
def delete_post_pid(pid, v):
	p = get_post(pid)
	if p.author_id != v.id: abort(403)

	if not p.deleted_utc:
		p.deleted_utc = int(time.time())
		p.is_pinned = False
		p.stickied = None
		p.stickied_utc = None

		g.db.add(p)

		cache.delete_memoized(frontlist)
		cache.delete_memoized(userpagelisting)

		v.post_count -= 1
		g.db.add(v)

		for sort in COMMENT_SORTS.keys():
			cache.delete(f'post_{p.id}_{sort}')

	return {"message": "Post deleted!"}

@app.post("/undelete_post/<int:pid>")
@limiter.limit('1/second', scope=rpath)
@limiter.limit('1/second', scope=rpath, key_func=get_ID)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400, key_func=get_ID)
@auth_required
def undelete_post_pid(pid, v):
	p = get_post(pid)
	if p.author_id != v.id: abort(403)

	if p.deleted_utc:
		p.deleted_utc = 0
		g.db.add(p)

		cache.delete_memoized(frontlist)
		cache.delete_memoized(userpagelisting)

		v.post_count += 1
		g.db.add(v)

		for sort in COMMENT_SORTS.keys():
			cache.delete(f'post_{p.id}_{sort}')

	return {"message": "Post undeleted!"}


@app.post("/mark_post_nsfw/<int:pid>")
@feature_required('NSFW_MARKING')
@limiter.limit('1/second', scope=rpath)
@limiter.limit('1/second', scope=rpath, key_func=get_ID)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400, key_func=get_ID)
@auth_required
def mark_post_nsfw(pid, v):
	p = get_post(pid)

	if p.author_id != v.id and v.admin_level < PERMS['POST_COMMENT_MODERATION'] and not v.mods_hole(p.hole):
		abort(403)

	p.nsfw = True
	g.db.add(p)

	if p.author_id != v.id:
		if v.admin_level >= PERMS['POST_COMMENT_MODERATION']:
			ma = ModAction(
					kind = "set_nsfw",
					user_id = v.id,
					target_post_id = p.id,
				)
			g.db.add(ma)
			position = 'a site admin'
		else:
			ma = HoleAction(
					hole = p.hole,
					kind = "set_nsfw",
					user_id = v.id,
					target_post_id = p.id,
				)
			g.db.add(ma)
			position = f'a /h/{post.hole} mod'

		send_repeatable_notification(p.author_id, f"@{v.username} ({position}) has marked [{p.title}](/post/{p.id}) as NSFW")

	return {"message": "Post has been marked as NSFW!"}

@app.post("/unmark_post_nsfw/<int:pid>")
@feature_required('NSFW_MARKING')
@limiter.limit('1/second', scope=rpath)
@limiter.limit('1/second', scope=rpath, key_func=get_ID)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400, key_func=get_ID)
@auth_required
def unmark_post_nsfw(pid, v):
	p = get_post(pid)

	if p.author_id != v.id and v.admin_level < PERMS['POST_COMMENT_MODERATION'] and not v.mods_hole(p.hole):
		abort(403)

	if p.nsfw and v.is_permabanned:
		abort(403)

	p.nsfw = False
	g.db.add(p)

	if p.author_id != v.id:
		if v.admin_level >= PERMS['POST_COMMENT_MODERATION']:
			ma = ModAction(
					kind = "unset_nsfw",
					user_id = v.id,
					target_post_id = p.id,
				)
			g.db.add(ma)
			position = 'a site admin'
		else:
			ma = HoleAction(
					hole = p.hole,
					kind = "unset_nsfw",
					user_id = v.id,
					target_post_id = p.id,
				)
			g.db.add(ma)
			position = f'a /h/{post.hole} mod'

		send_repeatable_notification(p.author_id, f"@{v.username} ({position}) has unmarked [{p.title}](/post/{p.id}) as NSFW")

	return {"message": "Post has been unmarked as NSFW!"}

@app.post("/save_post/<int:pid>")
@limiter.limit('1/second', scope=rpath)
@limiter.limit('1/second', scope=rpath, key_func=get_ID)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400, key_func=get_ID)
@auth_required
def save_post(pid, v):

	p = get_post(pid)

	save = g.db.query(SaveRelationship).filter_by(user_id=v.id, post_id=p.id).one_or_none()

	if not save:
		new_save=SaveRelationship(user_id=v.id, post_id=p.id)
		g.db.add(new_save)
		cache.delete_memoized(userpagelisting)

	return {"message": "Post saved!"}

@app.post("/unsave_post/<int:pid>")
@limiter.limit('1/second', scope=rpath)
@limiter.limit('1/second', scope=rpath, key_func=get_ID)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400, key_func=get_ID)
@auth_required
def unsave_post(pid, v):

	p = get_post(pid)

	save = g.db.query(SaveRelationship).filter_by(user_id=v.id, post_id=p.id).one_or_none()

	if save:
		g.db.delete(save)
		cache.delete_memoized(userpagelisting)

	return {"message": "Post unsaved!"}

@app.post("/pin/<int:post_id>")
@limiter.limit('1/second', scope=rpath)
@limiter.limit('1/second', scope=rpath, key_func=get_ID)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400, key_func=get_ID)
@auth_required
def pin_post(post_id, v):
	p = get_post(post_id)
	if p:
		if v.id != p.author_id: abort(403, "Only the post author can do that!")
		p.is_pinned = not p.is_pinned
		g.db.add(p)
		cache.delete_memoized(userpagelisting)
		if p.is_pinned: return {"message": "Post pinned!"}
		else: return {"message": "Post unpinned!"}
	return abort(404, "Post not found!")

@app.post("/post/<int:post_id>/new")
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400, key_func=get_ID)
@auth_required
def set_new_sort(post_id, v):
	p = get_post(post_id)
	if not v.can_edit(p): abort(403, "Only the post author can do that!")
	p.new = True
	g.db.add(p)

	if v.id != p.author_id:
		ma = ModAction(
				kind = "set_new",
				user_id = v.id,
				target_post_id = p.id,
			)
		g.db.add(ma)
		send_repeatable_notification(p.author_id, f"@{v.username} (a site admin) has changed the the default sorting of comments on [{p.title}](/post/{p.id}) to `new`")

	return {"message": "Changed the the default sorting of comments on this post to 'new'"}


@app.post("/post/<int:post_id>/hot")
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400, key_func=get_ID)
@auth_required
def unset_new_sort(post_id, v):
	p = get_post(post_id)
	if not v.can_edit(p): abort(403, "Only the post author can do that!")
	p.new = None
	g.db.add(p)

	if v.id != p.author_id:
		ma = ModAction(
				kind = "set_hot",
				user_id = v.id,
				target_post_id = p.id,
			)
		g.db.add(ma)
		send_repeatable_notification(p.author_id, f"@{v.username} (a site admin) has changed the the default sorting of comments on [{p.title}](/post/{p.id}) to `hot`")

	return {"message": "Changed the the default sorting of comments on this post to 'hot'"}


extensions = IMAGE_FORMATS + VIDEO_FORMATS + AUDIO_FORMATS

@app.get("/submit/title")
@limiter.limit("3/minute", deduct_when=lambda response: response.status_code < 400)
@limiter.limit("3/minute", deduct_when=lambda response: response.status_code < 400, key_func=get_ID)
@auth_required
def get_post_title(v):
	POST_TITLE_TIMEOUT = 5
	url = request.values.get("url")
	if not url or '\\' in url: abort(400)
	url = url.strip()
	if not url.startswith('http'): abort(400)

	checking_url = url.lower().split('?')[0].split('%3F')[0]
	if any((checking_url.endswith(f'.{x}') for x in extensions)):
		abort(400)

	try:
		x = gevent.with_timeout(POST_TITLE_TIMEOUT, requests.get, url, headers=HEADERS, timeout=POST_TITLE_TIMEOUT, proxies=proxies)
	except: abort(400)

	content_type = x.headers.get("Content-Type")
	if not content_type or "text/html" not in content_type: abort(400)

	# no you can't just parse html with reeeeeeeegex
	match = html_title_regex.search(x.text)
	if match and match.lastindex >= 1:
		title = match.group(1)
	else: abort(400)

	title = html.unescape(title)

	return {"url": url, "title": title}

@app.post("/edit_post/<int:pid>")
@limiter.limit('1/second', scope=rpath)
@limiter.limit('1/second', scope=rpath, key_func=get_ID)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400, key_func=get_ID)
@auth_required
def edit_post(pid, v):
	p = get_post(pid)
	if not v.can_edit(p): abort(403)

	# Disable edits on things older than 1wk unless it's a draft or editor is a jannie
	if time.time() - p.created_utc > 31*24*60*60 and not p.private \
	and v.admin_level < PERMS["IGNORE_1MONTH_EDITING_LIMIT"] and v.id not in EXEMPT_FROM_1MONTH_EDITING_LIMIT:
		abort(403, "You can't edit posts older than 1 month!")

	title = request.values.get("title", "").strip()
	if len(title) > POST_TITLE_LENGTH_LIMIT:
		abort(400, f'Post title is too long (max {POST_TITLE_LENGTH_LIMIT} characters)')

	body = request.values.get("body", "").strip()
	if len(body) > POST_BODY_LENGTH_LIMIT(g.v):
		abort(400, f'Post body is too long (max {POST_BODY_LENGTH_LIMIT(g.v)} characters)')

	if p.author.longpost and (len(body) < 280 or ' [](' in body or body.startswith('[](')):
		abort(403, "You have to type more than 280 characters!")
	elif p.author.bird and len(body) > 140:
		abort(403, "You have to type less than 140 characters!")

	if not title:
		abort(400, "Please enter a better title!")


	if not p.private:
		notify_users = NOTIFY_USERS(f'{title} {body}', v, oldtext=f'{p.title} {p.body}', ghost=p.ghost, obj=p, followers_ping=False)
		if notify_users:
			cid, text = notif_comment_mention(p)
			if notify_users == 'everyone':
				alert_everyone(cid)
			else:
				for x in notify_users:
					add_notif(cid, x, text, pushnotif_url=p.permalink)


	if title != p.title:
		title_html = filter_emojis_only(title, golden=False, obj=p, author=p.author)

		if p.author.hieroglyphs and not marseyaward_title_regex.fullmatch(title_html):
			abort(403, "You can only type marseys!")

		if 'megathread' in title.lower() and 'megathread' not in p.title.lower():
			p.new = True

		p.title = title
		p.title_html = title_html

	body = process_files(request.files, v, body).strip()
	if len(body) > POST_BODY_LENGTH_LIMIT(g.v):
		abort(400, f'Post body is too long (max {POST_BODY_LENGTH_LIMIT(g.v)} characters)')

	if body != p.body or p.chudded:
		body_html = sanitize(body, golden=False, limit_pings=100, obj=p, author=p.author)

		if p.author.hieroglyphs and marseyaward_body_regex.search(body_html):
			abort(403, "You can only type marseys!")


		p.body = body

		for text in [p.body, p.title, p.url]:
			if execute_blackjack(v, p, text, 'post'): break

		if len(body_html) > POST_BODY_HTML_LENGTH_LIMIT:
			abort(400, "Rendered post body is too long!")

		p.body_html = body_html

		process_options(v, p)

		gevent.spawn(postprocess_post, p.url, p.body, p.body_html, p.id, False, True)


	if not p.private and not complies_with_chud(p):
		abort(403, f'You have to include "{p.author.chud_phrase}" in your post!')


	if v.id == p.author_id:
		if int(time.time()) - p.created_utc > 60 * 3:
			p.edited_utc = int(time.time())
	else:
		ma = ModAction(
			kind="edit_post",
			user_id=v.id,
			target_post_id=p.id
		)
		g.db.add(ma)

	return {"message": "Post edited successfully!"}

if SITE_NAME == 'WPD':
	@app.post("/mark_post_cw/<int:pid>")
	@limiter.limit('1/second', scope=rpath)
	@limiter.limit('1/second', scope=rpath, key_func=get_ID)
	@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
	@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400, key_func=get_ID)
	@auth_required
	def mark_post_cw(pid, v):
		p = get_post(pid)

		if p.author_id != v.id and v.admin_level < PERMS['POST_COMMENT_MODERATION']:
			abort(403)

		p.cw = True
		g.db.add(p)

		if p.author_id != v.id:
			ma = ModAction(
					kind = "set_cw",
					user_id = v.id,
					target_post_id = p.id,
				)
			g.db.add(ma)
			send_repeatable_notification(p.author_id, f"@{v.username} (a site admin) has add a child warning to [{p.title}](/post/{p.id})")

		return {"message": "A child warning has been added to the post!"}

	@app.post("/unmark_post_cw/<int:pid>")
	@limiter.limit('1/second', scope=rpath)
	@limiter.limit('1/second', scope=rpath, key_func=get_ID)
	@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
	@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400, key_func=get_ID)
	@auth_required
	def unmark_post_cw(pid, v):
		p = get_post(pid)

		if p.author_id != v.id and v.admin_level < PERMS['POST_COMMENT_MODERATION']:
			abort(403)

		p.cw = False
		g.db.add(p)

		if p.author_id != v.id:
			ma = ModAction(
					kind = "unset_cw",
					user_id = v.id,
					target_post_id = p.id,
				)
			g.db.add(ma)
			send_repeatable_notification(p.author_id, f"@{v.username} (a site admin) has removed the child warning from [{p.title}](/post/{p.id})")

		return {"message": "The child warning has been removed from the post!"}


@app.post("/distinguish/<int:post_id>")
@limiter.limit('1/second', scope=rpath)
@limiter.limit('1/second', scope=rpath, key_func=get_ID)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400, key_func=get_ID)
@auth_required
def distinguish_post(post_id, v):
	post = get_post(post_id)

	if v.admin_level < PERMS['POST_COMMENT_DISTINGUISH'] and not v.mods_hole(post.hole):
		abort(403, "You can't distinguish this post")

	if post.distinguished:
		post.distinguished = False
		kind = 'undistinguish_post'
	else:
		post.distinguished = True
		kind = 'distinguish_post'

	g.db.add(post)

	ma = ModAction(
		kind=kind,
		user_id=v.id,
		target_post_id=post.id
	)
	g.db.add(ma)


	if post.distinguished: return {"message": "Post distinguished!"}
	else: return {"message": "Post undistinguished!"}