#!/usr/bin/python

import urllib2,json,sys
from lxml.html import document_fromstring

def monster_image(monster):
    opener = urllib2.build_opener()
    opener.addheaders = [('User-Agent', 'Mozilla/5.0')]
    image_html = opener.open('https://www.dndbeyond.com/monsters/'+monster).read()
#    image_html = '                    <a href="https://media-waterdeep.cursecdn.com/avatars/thumbnails/0/221/1000/1000/636252765234633232.jpeg" data-lightbox="Bugbear-aside" data-title="&lt;a target=&#x27;_blank&#x27; href=&#x27;https://media-waterdeep.cursecdn.com/avatars/thumbnails/0/221/1000/1000/636252765234633232.jpeg&#x27; class=&#x27;link link-full&#x27;&gt;View Full Image&lt;/a&gt;">'
#    pattern = re.compile(".*\<a href=\"([a-zA-Z0-9_\-\/\.:]+)\" data-lightbox=\"\w+-aside")
#    m = pattern.match(image_html)
#    return m.group(1) if m else "NotFound";
    h = document_fromstring(image_html)
    for div in h.cssselect('a'):
        if div.get('data-lightbox') and div.get('data-lightbox').endswith('-aside'):
            return div.get('href')

def subtype(d):
    return " (%s)"%(d) if d else ""

def read_monster(monster):
    opener = urllib2.build_opener()
    opener.addheaders = [('User-Agent', 'Mozilla/5.0')]
    data = json.loads(opener.open('https://api.open5e.com/monsters/'+monster).read())

    monster_data = ''
    monster_data += '  {\n'
    monster_data += '    "count": 1,\n'
    monster_data += '    "title": "%s",\n' % (data['name'])
    monster_data += '    "contents": [\n'
    monster_data += '      "subtitle | %s, %s%s, %s | %s",\n' % (data['size'][0], data['type'], subtype(data['subtype']), data['alignment'], data['challenge_rating'])
    monster_data += '      "fill",\n'
    monster_data += '      "rule",\n'
    monster_data += '      "fill",\n'
    monster_data += '      "dndstats | %s | %s | %s | %s | %s | %s",\n' % (data['strength'], data['dexterity'], data['constitution'], data['intelligence'], data['wisdom'], data['charisma'])
    monster_data += '      "fill",\n'
    monster_data += '      "rule",\n'
    monster_data += '      "fill",\n'
    def skill_func(s):
        return "%s: %+d" % (s, int(data['skills'][s]))
    monster_data += '      "property | Skills | %s",\n' % (', '.join(map(skill_func, data['skills'])))
    monster_data += '      "property | Senses | %s",\n' % (data['senses'])
    monster_data += '      "property | Languages | %s",\n' % (data['languages'])
    monster_data += '      "fill",\n'
    monster_data += '      "section | Abilities",\n'
    for ability in data['special_abilities']:
        monster_data += '      "description | %s | %s",\n' % (ability['name'], ability['desc'].replace('\n', '<br />'))
    monster_data += '      "fill",\n'
    monster_data += '      "section | Actions",\n'
    for action in data['actions']:
        monster_data += '      "description | %s | %s",\n' % (action['name'], action['desc'].replace('\n', '<br />'))
    monster_data += '       ""\n'
    monster_data += '    ],\n'
    monster_data += '    "tags": [],\n'
    monster_data += '    "color": "",\n'
    monster_data += '    "title_size": "14",\n'
    monster_data += '    "background_image": "%s",\n' % (monster_image(monster))
    monster_data += '    "icon": "",\n'
    monster_data += '    "stats": "%s|%s|%s"\n' % (data['speed']['walk'], data['hit_points'], data['armor_class'])
    monster_data += '    }\n'

    return monster_data

def main():
    if len(sys.argv) == 1:
        print "usage: download.py monster1 [monster2...]"
        return 1

    monsters = []
    for m in sys.argv[1:]:
        sys.stderr.write("downloading " + m + "\n")
        monsters.append(read_monster(m))

    print("[%s]" % (",\n".join(monsters)))

if __name__== "__main__":
    main()