#!/usr/bin/python3
import os
import re
import lxml.html
import jinja2
import json
import sys
import requests
from time import sleep
from pprint import pprint

parser = lxml.html.HTMLParser(encoding="utf-8")

env = jinja2.Environment(loader=jinja2.FileSystemLoader("templates"))

re_book = re.compile(
    "function refreshGroupBox(group_id, book_id) \{(.*?)\n *\}", re.DOTALL
)
re_book = re.compile(
    "function refreshGroupBox\(group_id, book_id\) \{(.*?)\n *\}", re.DOTALL
)

re_tip = re.compile(rb'var newTip = new Tip\(\$\(\'[^\']+\'\), "(.*?)", {')

dirs = ["shelf", "genre"]
start = "https://www.goodreads.com/book/show/"

existing = {book["title"] for book in json.load(open("calibre_book_list.json"))}


def iter_books():
    for d in dirs:
        for f in sorted(os.listdir(d)):
            filename = os.path.join(d, f)
            root = lxml.html.parse(filename, parser=parser).getroot()
            for div in root.find_class("bookInformation"):
                link = div.find(".//a")
                rating = div.find('.//span[@class="minirating"]')
                description = div.find('./div[@class="bookDescription"]')
                r = rating[0].tail.strip()

                cover = div.getnext().find(".//img").get("src")

                book = {
                    "title": link.text,
                    "url": link.get("href"),
                    "rating": r,
                    "r": float(r[:3]),
                    "cover": cover,
                    "authors": [a.text for a in div.find_class("authorName")],
                }
                if description is not None:
                    index = 1 if len(description) == 3 else 0
                    book["description"] = description[index].text
                yield d, f, book
            continue

            # print(filename)
            for line in open(filename, "rb"):
                if b"var newTip" not in line:
                    continue
                print(line)
                m = re_tip.search(line)
                tip = m.group(1).decode("unicode_escape").replace("\/", "/")
                # tip = m.group(1)  # .replace('\/', '/')
                # print(tip)
                if '<ul class="formatting_tips recommendation_tip">' in tip:
                    continue
                if "Recommendations are disabled for that shelf." in tip:
                    continue
                if "Customize by selecting your" in tip:
                    continue
                print(tip)
                yield (d, f, lxml.html.fromstring(tip))


template = env.get_template("books.html")
seen = set()
books = []
first_authors = set()
for d, f, book in sorted(iter_books(), key=lambda i: i[2]["r"], reverse=True):
    # pprint(book)
    # print(repr(book.get('description')))
    # continue

    # title_link = book.find_class('bookTitle')[0]
    url = book["url"]
    url = url[: url.find("?")]
    if url in seen:
        continue
    seen.add(url)
    title = book["title"]
    authors = book["authors"]
    first_authors.add(authors[0])
    main_title = title
    # for sep in ['(']:
    for sep in ":", " - ", "(", ",":
        if sep in title:
            main_title = title[: title.find(sep)]
            break
    # print((main_title + ' by ' + u', '.join(authors)).encode('utf-8'))
    if len(main_title) < 10:
        continue
    if main_title in existing:
        continue
    # print(u'{} by {}'.format(main_title, authors[0]).encode('utf-8'))
    print("{}".format(main_title))
    # print(main_title.encode('utf-8'))
    assert url.startswith(start)

    filename = "books/" + url[len(start) :] + ".html"
    # print(filename)
    if False and not os.path.exists(filename):
        open(filename, "w").write(requests.get(url).content)
        sleep(1)
    books.append(
        {
            "dir": d,
            "file": f[:-5],
            "title": title,
            "main_title": main_title,
            "authors": authors,
            "url": url,
            "rating": book["rating"],
            "cover": book["cover"],
            "description": book.get("description"),
        }
    )

page = template.render(books=books)
open("book_list.html", "w").write(page)
sys.exit(0)

for a in sorted(first_authors):
    print(a)

# authors = u' OR '.join(u'"{}"'.format(a) for a in sorted(first_authors) if a not in {'Hugh Howey', 'Elizabeth Moon', 'Max Hastings'})
# print(authors.encode('utf-8'))