require 'json'
require 'aws-sdk-mediatailor'

def lambda_handler(event:, context:)
    # TODO implement
    puts event["channel_id"]
    channel_id = event["channel_id"]
    client = Aws::MediaTailor::Client.new
    startresp = client.start_channel({
        channel_name: channel_id
    })
    puts startresp
    
    resp = client.describe_channel({
      channel_name: channel_id, # required
    })
    { "playback_url": resp.outputs[0].playback_url }
end