#!/usr/bin/python3
# -*- coding: utf-8 -*-
import argparse
from pathlib import Path
import re
from typing import Set

import requests
from tqdm import tqdm

from project_settings import project_path


def get_args():
    parser = argparse.ArgumentParser()
    parser.add_argument(
        "--data_dir",
        default=(project_path / "data/yazhou").as_posix(),
        type=str
    )
    args = parser.parse_args()
    return args


page_list_pattern = r"""
<div class="articleList"><p><span>(?:.*?)</span><a class="img-center" target="_blank" href="(.*?)">(.*?)</a></p></div>
"""
page_list_pattern = str(page_list_pattern).strip()


content_pattern = r"""
<hr>(.*?)<div class="hot-search bottom">
"""
content_pattern = str(content_pattern).strip()


paragraph_pattern = r"""
<(?:.*?)>
"""
paragraph_pattern = str(paragraph_pattern).strip()


def parse_page_list(text: str):
    matches = re.findall(page_list_pattern, text, flags=re.DOTALL)
    return matches


def parse_content(text: str):
    match = re.search(content_pattern, text, flags=re.DOTALL)
    return match


def parse_paragraph(text: str):
    text = text.replace("<br>", "\n")
    matches = re.sub(paragraph_pattern, "", text, flags=re.DOTALL)
    return matches


def main():
    args = get_args()

    data_dir = Path(args.data_dir)
    data_dir.mkdir(parents=True, exist_ok=True)

    finished_idx: Set[int] = set()
    for filename in data_dir.glob("*.txt"):
        idx = filename.stem.split("_")[-1]
        idx = int(idx)
        finished_idx.add(idx)

    print("finished idx: {}".format(len(finished_idx)))

    for page_idx in tqdm(range(1, 1000)):
        url = "https://yazhouse8.com/article.php?page={}".format(page_idx)
        resp = requests.get(url)

        matches = parse_page_list(resp.text)
        for match in matches:
            url, name = match
            idx = url.split("/")[-1]
            idx = int(idx.split(".")[0])
            url = "https://yazhouse8.com/{}".format(url)

            if idx in finished_idx:
                continue
            finished_idx.add(idx)

            resp = requests.get(url)

            match = parse_content(resp.text)
            text = parse_paragraph(match.group(0))

            text = re.sub(r"[\u0020]{4,}", "", text)
            text = re.sub(r"[\t]", "", text)
            text = re.sub(r"　", "", text)
            text = re.sub(r"\n\n", "\n", text)
            text = re.sub(r"&amp;", " ", text)
            text = re.sub(r"&nbsp;", " ", text)
            text = re.sub(r"quot;", "\"", text)
            text = re.sub(r"nbsp;", " ", text)
            text = re.sub(r"amp;", " ", text)
            text = re.sub(r"&#10008", "✘", text)
            text = re.sub(r"lt;", "<", text)
            text = re.sub(r"gt;", ">", text)
            text = re.sub(r"⌒{4,}", "⌒⌒⌒", text)
            text = re.sub(r"#{4,}", "###", text)

            name = str(name).replace("|", "_")
            name = str(name).replace("\\", "_")
            name = str(name).replace("/", "_")
            name = str(name).replace(":", "_")
            name = str(name).replace("~", "_")
            name = str(name).replace("?", "_")
            name = str(name).replace("～", "_")
            name = str(name).replace("*", "")
            name = str(name).replace("\"", "")
            name = str(name).replace("<", "")
            name = str(name).replace(">", "")
            name = re.sub(r"&amp;", " ", name)
            name = re.sub(r"&nbsp;", " ", name)
            name = re.sub(r"quot;", "\"", name)
            name = re.sub(r"nbsp;", " ", name)
            name = re.sub(r"amp;", " ", name)
            name = re.sub(r"&#10008", "✘", name)
            name = re.sub(r"lt;", "<", name)
            name = re.sub(r"gt;", ">", name)
            name = str(name).replace(" ", "")
            name = str(name).replace("#", "")

            with open(data_dir / "{}_{}.txt".format(name, idx), "w", encoding="utf-8") as f:
                f.write(text)

    return


if __name__ == '__main__':
    main()