require "json"

# returns start_time, end_time and clip_title
def parse_clip_parameters(params) : {Float64?, Float64?, String?}
  decoded_protobuf = params.try { |i| URI.decode_www_form(i) }
    .try { |i| Base64.decode(i) }
    .try { |i| IO::Memory.new(i) }
    .try { |i| Protodec::Any.parse(i) }

  start_time = decoded_protobuf
    .try(&.["50:0:embedded"]["2:1:varint"].as_i64)
    .try { |i| i/1000 }

  end_time = decoded_protobuf
    .try(&.["50:0:embedded"]["3:2:varint"].as_i64)
    .try { |i| i/1000 }

  clip_title = decoded_protobuf
    .try(&.["50:0:embedded"]["4:3:string"].as_s)

  return start_time, end_time, clip_title
end