from datetime import datetime, timedelta
import json
import time
import sys

from atproto import Client, models
import requests

from ai.talk import Talk
import account


def check_notifications (
        client: Client,
) -> list:
    (uris, last_seen_at) = ([], client.get_current_time_iso ())

    for notification in (client.app.bsky.notification.list_notifications ()
                         .notifications):
        if not notification.is_read:
            if notification.reason in ['mention', 'reply']:
                uris += [notification.uri]
            elif notification.reason == 'follow':
                client.follow (notification.author.did)

    client.app.bsky.notification.update_seen ({ 'seen_at': last_seen_at })

    return uris


def get_thread_contents (
        client:         Client,
        uri:            str,
        parent_height:  int,
) -> list:
    response = (client.get_post_thread (uri           = uri,
                                        parent_height = parent_height)
                .thread)
    records = []
    while response is not None:
        records += [{ 'strong_ref': models.create_strong_ref (response.post),
                      'did':        response.post.author.did,
                      'handle':     response.post.author.handle,
                      'name':       response.post.author.display_name,
                      'datetime':   response.post.record.created_at,
                      'text':       response.post.record.text,
                      'embed':      response.post.record.embed }]
        response = response.parent

    return records


def main (
) -> None:
    client = Client (base_url = 'https://bsky.social')

    client.login (account.USER_ID, account.PASSWORD)

    last_posted_at = datetime.now () - timedelta (hours = 6)
    has_got_snack_time = False
    watched_videos = []
    while True:
        now = datetime.now ()

        for uri in check_notifications (client):
            records = get_thread_contents (client, uri, 20)
            if len (records) > 0:
                answer = Talk.main ((records[0]['text']
                                     if (records[0]['embed'] is None
                                         or not hasattr (records[0]['embed'],
                                                         'images'))
                                     else [
                        { 'type': 'text', 'text': records[0]['text'] },
                        { 'type': 'image_url', 'image_url': {
                            'url': f"https://cdn.bsky.app/img/feed_fullsize/plain/{ records[0]['did'] }/{ records[0]['embed'].images[0].image.ref.link }" } }]),
                                    records[0]['name'],
                                    [*map (lambda record: {
                                               'role': ('assistant'
                                                        if (record['handle']
                                                            == account.USER_ID)
                                                        else 'user'),
                                               'content':
                                                   record['text']},
                                           reversed (records[1:]))])
                client.send_post (answer,
                                  reply_to = models.AppBskyFeedPost.ReplyRef (
                                      parent = records[0]['strong_ref'],
                                      root   = records[-1]['strong_ref']))

        for datum in [e for e in get_nico_deerjika ()
                        if e['contentId'] not in watched_videos]:
            watched_videos += [datum['contentId']]

            client.send_post (Talk.main (f"""
ニコニコに『{ datum['title'] }』という動画がアップされました。
つけられたタグは「{ '」、「'.join (datum['tags']) }」です。
概要には次のように書かれています：
```html
{ datum['description'] }
```
このことについて、みんなに告知するとともに、ニジカちゃんの感想を教えてください。
"""))

        if now.hour == 14 and has_got_snack_time:
            has_got_snack_time = False

        if now.hour == 15 and not has_got_snack_time:
            try:
                with open ('./assets/snack-time.jpg', 'rb') as f:
                    image = models.AppBskyEmbedImages.Image (
                            alt   = ('左に喜多ちゃん、右に人面鹿のニジカが'
                                     'V字に並んでいる。'
                                     '喜多ちゃんは右手でピースサインをして'
                                     '片目をウインクしている。'
                                     'ニジカは両手を広げ、'
                                     '右手にスプーンを持って'
                                     'ポーズを取っている。'
                                     '背景には'
                                     '赤と黄色の放射線状の模様が広がり、'
                                     '下部に「おやつタイムだ!!!!」という'
                                     '日本語のテキストが表示されている。'),
                            image = client.com.atproto.repo.upload_blob (f).blob)

                client.send_post (Talk.main ('おやつタイムだ!!!!'),
                                  embed = models.app.bsky.embed.images.Main (
                                      images = [image]))
                last_posted_at = now
            except Exception:
                pass

            has_got_snack_time = True

        if now - last_posted_at >= timedelta (hours = 6):
            client.send_post (Talk.main ('今どうしてる?'))
            last_posted_at = now

        time.sleep (60)


def get_nico_deerjika ():
    URL = ('https://snapshot.search.nicovideo.jp/api/v2/snapshot/video'
           '/contents/search')

    now = datetime.now ()
    base = now - timedelta (hours = 1)

    params = { 'q':          '伊地知ニジカ',
               'targets':    'tags',
               '_sort':      '-startTime',
               'fields':     'contentId,title,description,tags,startTime',
               '_limit':     20,
               'jsonFilter': json.dumps ({ 'type':    'or',
                                           'filters': [{
            'type':          'range',
            'field':         'startTime',
            'from':          ('%04d-%02d-%02dT%02d:%02d:00+09:00'
                              % (base.year, base.month, base.day,
                                 base.hour, base.minute)),
            'to':            ('%04d-%02d-%02dT23:59:59+09:00'
                              % (now.year, now.month, now.day)),
            'include_lower': True }] }) }

    res = requests.get (URL, params = params).json ()

    data = []
    for datum in res['data']:
        datum['tags'] = datum['tags'].split ()
        data.append (datum)

    return data


if __name__ == '__main__':
    main (*sys.argv[1:])