from flask import Blueprint, render_template, request, make_response
from flask_login import login_required

from urllib import parse
from io import BytesIO
from wand.image import Image
import os, pytz, datetime

from scripts import database, func

Comics = Blueprint("comics", __name__, template_folder="templates")

MOBILE_DEVICES = ["android", "blackberry", "ipad", "iphone"]


@Comics.route("/comics")
@login_required
def index():
	try:
		return render_template("comics/index.html", title="Comics", publishers=database.get_publishers())
	except Exception as e:
		print(e)
		return str(e)


@Comics.route("/comics/search")
@login_required
def search():
	try:
		query = request.args.get("q")
		results = {
			"publisher": [],
			"series": [],
			"comics": []
		}
		if query:
			results = database.db_search_comics(query)
		return render_template("comics/search.html", title="Comics: Search",
		                       publishers=results["publisher"], publisher_series=results["series"], comics=results["comics"])
	except Exception as e:
		print(type(e), e)
		return str(type(e))+" "+str(e)


@Comics.route("/comics/<publisher>")
@login_required
def comics_publisher(publisher):
	publisher = parse.unquote(publisher)
	series = request.args.get("series")
	series_year = request.args.get("seriesYear")
	issue = request.args.get("issue")
	page_number = request.args.get("pageNumber")
	if series:
		if issue:
			if page_number:
				return comic_viewer(publisher, series, series_year, issue)
			return comic_gallery(publisher, series, series_year, issue)
		return render_template("comics/seriesView.html", title="Comics",
		                       comics=database.db_get_comics_in_series(series, publisher, series_year))
	return render_template("comics/publisherSeriesView.html", title="Comics",
	                       publisher_series=database.db_get_series_by_publisher(publisher))


def comic_viewer(publisher, series, series_year, issue):
	try:
		on_mobile = False
		if request.user_agent.platform in MOBILE_DEVICES:
			on_mobile = True
		publisher_parsed = parse.quote(publisher)
		series_parsed = parse.quote(series)
		page_number = int(request.args.get("pageNumber"))
		meta = database.db_get_comic(publisher, series, series_year, issue)
		page_count = int(meta["pageCount"])

		prev_page = page_number - 1
		next_page = page_number + 1
		if next_page >= page_count:
			next_page = 0
		if prev_page < 0:
			prev_page = page_count - 1
		prev_url = "/comics/{}?series={}&seriesYear={}&issue={}&pageNumber={}".format(publisher_parsed, series_parsed, series_year, issue, prev_page)
		next_url = "/comics/{}?series={}&seriesYear={}&issue={}&pageNumber={}".format(publisher_parsed, series_parsed, series_year, issue, next_page)
		title = "Comics: "+meta["series"]+": #"+meta["issueText"]+" "+(meta["title"] or "")
		return render_template("comics/comicView.html", title=title, on_mobile=on_mobile, prev_url=prev_url, next_url=next_url, comic=meta, page_number=page_number)
	except Exception as e:
		print(e)
		return str(e)


def comic_gallery(publisher, series, series_year, issue):
	try:
		meta = database.db_get_comic(publisher, series, series_year, issue)
		return render_template("comics/comicGallery.html", title="Comics", comic=meta)
	except Exception as e:
		print(e)
		return str(e)


@Comics.route("/comics/get_comic/<int:comic_id>/<int:page_number>")
@login_required
def get_comic_page(comic_id, page_number):
	meta = database.db_get_comic_by_id(comic_id)
	comic = func.open_comic(meta["path"])
	byteImage = BytesIO(comic.getPage(page_number))
	image = Image(file=byteImage)
	response = make_response(image.make_blob())
	response.headers["cache-control"] = "public"
	date = pytz.utc.localize(datetime.datetime.utcfromtimestamp(os.path.getmtime(meta["path"])))
	response.headers["last-modified"] = date.strftime('%a, %d %b %Y %H:%M:%S %Z')
	response.headers["content-type"] = "image/" + image.format
	return response


@Comics.route("/comics/get_comic/<int:comic_id>/<int:page_number>/thumbnail")
@login_required
def get_comic_thumbnail(comic_id, page_number):
	meta = database.db_get_comic_by_id(comic_id)
	thumb = database.db_get_thumbnail_by_id_page(comic_id, page_number)
	response = make_response(thumb["image"])
	response.headers["cache-control"] = "public"
	date = pytz.utc.localize(datetime.datetime.utcfromtimestamp(os.path.getmtime(meta["path"])))
	response.headers["last-modified"] = date.strftime('%a, %d %b %Y %H:%M:%S %Z')
	response.headers["content-type"] = thumb["type"]
	return response