import os, json, sys, urllib
from mwclient import Site
from pprint import pprint
from jinja2 import Template
from functions import pandoc, page_props, unpack_response

from functions import Colors
import argparse

p = argparse.ArgumentParser(description="From smw ask string generate HTML pages with resulting results.",
                            formatter_class=argparse.ArgumentDefaultsHelpFormatter)
p.add_argument("--host",  metavar='', default="hub.xpub.nl/sandbox", help='wiki host')
p.add_argument("--path", metavar='', default="/itchwiki/", help="Wiki path. Should end with /")
p.add_argument("--conditions", "-c", metavar='',
               default='[[File:+]][[Title::+]][[Part::+]][[Date::+]]',
               help='The query conditions')
p.add_argument("--printouts", "-p", metavar='',
               default='?Title|?Date|?Part|?Partof',
               help='Selection of properties to printout')
p.add_argument("--sort", "-s", metavar='',
               default='Date,Title,Part',
               help='Sorting according to conditions')
p.add_argument("--order", "-o", metavar='', 
               default='asc,asc,asc',
               help='Order of sorting conditions. Should same amount as the --sort properties')
p.add_argument('--dry', '-d', action='store_true',
               help='dry-run: will only show the query but not run it')

args = p.parse_args()

if len(args.sort.split(',')) != len(args.order.split(',')):
    print(Colors.FAIL, 'Invalid query:',
          Colors.WARNING, '--sort and --order do not have the same amount of elements', Colors.ENDC)
    print('Script exiting now')
    sys.exit()

query = f'{args.conditions}|{args.printouts}|sort={args.sort}|order={args.order}'
print('query:', Colors.GREEN, query, Colors.ENDC)
query_unquoted = urllib.parse.quote(query)
query_url = f'https://{args.host}{args.path}api.php?action=ask&query={query_unquoted}&format=json'
print('query URL:', query_url)

if args.dry is True:
    sys.exit()


# site and login

site = Site(host=args.host, path=args.path)

wd = os.path.dirname(os.path.abspath(__file__)) # working directory
imgdir = os.path.join(wd, 'images')
imgsjson_fn = os.path.join(wd, 'images.json')
with open(imgsjson_fn, 'r') as imgsjson_file:
    images_info = json.load(imgsjson_file)
static_html = os.path.join(wd, 'static_html')
os.makedirs(static_html, exist_ok=True) # create images/ dir

with open(os.path.join(wd, 'login.txt'), 'r') as login:  # read login user & pwd
    loginlines = login.read()
    user, pwd = loginlines.split('\n')
    site.login(username=user, password=pwd)  # login to wiki

# read template files
with open(os.path.join(wd, 'templates/publication.html')) as pub_html:
    pub_template = Template(pub_html.read())

with open(os.path.join(wd, 'templates/publication_part.html')) as pub_html:
    pub_part_template = Template(pub_html.read())

pub_parts_html = ''  # to append all content

for answer in site.ask(query):
    publication_title = ''
    print(answer, answer.keys())
    printout_dict = unpack_response(answer)
    # pprint(printout_dict)
    img_info = images_info[printout_dict['page']]
    page = site.pages[[printout_dict['page']]]
    pagetext = page.text()
    pagetext_html = pandoc(pwd=wd, content=pagetext, format_in='mediawiki', format_out='html')
    img_local = os.path.join(imgdir, img_info.get('filename'))
    # pprint(img_info)
    # print(img_local)
    # import pdb; pdb.set_trace()
    pub_part_html = pub_part_template.render(
        imgsrc=os.path.join(imgdir, img_info.get('filename')),
        text=pagetext_html,
        part=printout_dict.get('Part'),
        partof=printout_dict.get('Partof'))
    pub_parts_html += pub_part_html  # append resulting publication part to the previous parts
    if printout_dict['Part'] == printout_dict['Partof']:  # when Part == Partof
        # Assemble all parts and save to HTML file

        pub_html = pub_template.render(title=printout_dict.get('Title'),
                                       date=printout_dict.get('Date'),
                                       content=pub_parts_html)  # render publication template

        htmlpage_fn = "{}.html".format(printout_dict.get('Title').replace(" ", ""))

        with open(os.path.join(static_html, htmlpage_fn), 'w') as htmlfile:
            htmlfile.write(pub_html)

        # print(pub_html, '\n')
        pub_parts_html = ''  # Reset pub_parts_html

# TODO: queries without Part?
# TODO: include Creator Property value

# TODO: address Dates:
# * date values coming from mw with timestamp, the missing valus are one
# This a MW issue!