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#include "sap.h"
#include <yaml-cpp/yaml.h>
#include <thread>
#include <chrono>
#include <fstream>
#include <iostream>
/* - random frames from Spongebob (using ffmpeg)
* with strange text overlaid, possibly rawr'd from
* spongebob transcripts combined with drug trip
* experiences? either that or something with verb
* frames
*/
sap::sap(
std::string configFile,
std::mt19937& rng) :
rng_(rng)
{
// Load the config file.
YAML::Node config = YAML::LoadFile(configFile);
// Set up the Twitter client.
twitter::auth auth;
auth.setConsumerKey(config["consumer_key"].as<std::string>());
auth.setConsumerSecret(config["consumer_secret"].as<std::string>());
auth.setAccessKey(config["access_key"].as<std::string>());
auth.setAccessSecret(config["access_secret"].as<std::string>());
client_ = std::unique_ptr<twitter::client>(new twitter::client(auth));
// Set up the text generator.
for (const YAML::Node& corpusname : config["corpuses"])
{
std::ifstream infile(corpusname.as<std::string>());
std::string corpus;
std::string line;
while (getline(infile, line))
{
if (line.back() == '\r')
{
line.pop_back();
}
corpus += line + " ";
}
kgramstats_.addCorpus(corpus);
}
kgramstats_.compile(5);
kgramstats_.setMinCorpora(config["corpuses"].size());
// Set up the layout designer.
layout_ = std::unique_ptr<designer>(
new designer(config["fonts"].as<std::string>()));
// Set up the frame picker.
director_ = std::unique_ptr<director>(
new director(config["videos"].as<std::string>()));
}
void sap::run() const
{
for (;;)
{
std::cout << "Generating tweet..." << std::endl;
try
{
// Pick the video frame.
Magick::Image image = director_->generate(rng_);
// Generate the text.
std::uniform_int_distribution<size_t> lenDist(5, 19);
std::string action = kgramstats_.randomSentence(lenDist(rng_));
// Lay the text on the video frame.
Magick::Image textimage =
layout_->generate(image.columns(), image.rows(), action, rng_);
image.composite(textimage, 0, 0, Magick::OverCompositeOp);
// Send the tweet.
std::cout << "Sending tweet..." << std::endl;
sendTweet(std::move(image));
std::cout << "Tweeted!" << std::endl;
// Wait.
std::this_thread::sleep_for(std::chrono::hours(1));
} catch (const Magick::ErrorImage& ex)
{
std::cout << "Image error: " << ex.what() << std::endl;
} catch (const twitter::twitter_error& ex)
{
std::cout << "Twitter error: " << ex.what() << std::endl;
std::this_thread::sleep_for(std::chrono::hours(1));
}
std::cout << std::endl;
}
}
void sap::sendTweet(Magick::Image image) const
{
Magick::Blob outputimg;
image.magick("jpeg");
image.write(&outputimg);
long media_id = client_->uploadMedia("image/jpeg",
static_cast<const char*>(outputimg.data()), outputimg.length());
client_->updateStatus("", {media_id});
}
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