import csv
import sys

from youtube import config
from youtube import api

# @todo: look up playlist_id based on a channel_id given as a CLI arg
# https://developers.google.com/youtube/v3/docs/channels/list
# part: "id,contentDetails,snippet"
# id: CHANNEL_ID_HERE
playlist_id = 'UUvPewRiNhsk_8_Xm4wfvHkA'

page_wait_time = 0.0004
data_api = config.api_mapping.youtube_data
list_playlist_items = api.paginate(data_api.playlistItems().list, page_wait_time)

page_num = 1
columns = ['video_id', 'title', 'description', 'published_at', 'status']
csv_path = 'list_channel_uploads-{}.csv'.format(playlist_id)

with open(csv_path, 'w', newline='') as csv_out:
    csv_writer = csv.writer(csv_out)
    csv_writer.writerow(columns)

    items_results = list_playlist_items(
        part='snippet,contentDetails,status',
        maxResults=50,
        playlistId=playlist_id)

    for items_result in items_results:
        print('page num: {}'.format(page_num))
        page_num += 1

        for item in items_result.get('items'):
            snippet = item.get('snippet')
            row = [item.get('contentDetails').get('videoId'),
                snippet.get('title'),
                snippet.get('description'),
                snippet.get('publishedAt'),
                item.get('status').get('privacyStatus')]
            csv_writer.writerow(row)