import requests
import requests_cache
import csv
import datetime
import io
import browsercookie
from frozendict import frozendict
import logging
import cfscrape

logger = logging.getLogger(__name__)

import personal_data.fetchers.playstation
import personal_data.fetchers.crunchyroll
import personal_data.fetchers.psnprofiles

def determine_scrapers():
    scrapers = []
    #scrapers += personal_data.fetchers.playstation.SCRAPERS
    scrapers += personal_data.fetchers.crunchyroll.SCRAPERS
    scrapers += personal_data.fetchers.psnprofiles.SCRAPERS
    return scrapers

def extend_csv_file(filename, new_dicts, deduplicate = False):
    dicts = []
    try:
        with open(filename, 'r') as csvfile:
            reader = csv.DictReader(csvfile)
            for row in reader:
                dicts.append(frozendict(row))
            del csvfile
    except FileNotFoundError as e:
        logger.info('Creating file: %s', filename)
        pass

    original_num_dicts = len(dicts)
    dicts += [frozendict(d) for d in new_dicts]
    del new_dicts

    fieldnames = []
    for d in dicts:
        for k in d.keys():
            if k not in fieldnames:
                fieldnames.append(k)

    if deduplicate:
        dicts = sorted(set(dicts), key = lambda d: d[fieldnames[0]])

    csvfile_in_memory = io.StringIO()
    writer = csv.DictWriter(csvfile_in_memory, fieldnames=fieldnames)
    writer.writeheader()
    for d in dicts:
        writer.writerow(d)
    output_csv = csvfile_in_memory.getvalue()
    del writer, csvfile_in_memory

    with open(filename, 'w') as csvfile:
        csvfile.write(output_csv)
        del csvfile
    logger.warning('Extended CSV "%s" from %d to %d lines', filename, original_num_dicts, len(dicts))

STANDARD_HEADERS = {
        'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:122.0) Gecko/20100101 Firefox/122.0',
        #"Accept": "application/json, text/plain, */*",
        'Accept-Language': 'en-US,en;q=0.5',
        'Accept-Encoding': 'gzip, deflate, br',
}

def main():
    cookiejar = browsercookie.firefox()
    logger.warning('Got cookiejar from firefox: %s cookies', len(cookiejar))

    #session = requests_cache.CachedSession('web_cache', cookies = cookiejar)
    session = cfscrape.create_scraper()
    for cookie in cookiejar:
        session.cookies.set_cookie(cookie)

    for scraper in determine_scrapers():
        logger.warning('Running scraper: %s', scraper.dataset_name)
        result_rows = list()
        for result in scraper.scraper(session):
            result_rows.append(result)
            del result
        extend_csv_file('output/'+scraper.dataset_name, result_rows,
                        deduplicate = scraper.deduplicate)
        logger.warning('Scraper done: %s', scraper.dataset_name)

if __name__ == '__main__':
    main()