#include <prodmarkEngine/prodmark.h>

#include <iostream>
#include <string>
#include <sstream>
#include <cstdio>
#include <map>

std::ostream &operator<<(std::ostream &ostr, ProdmarkRect rect) {
  ostr << " (" << rect.getX() << ", " << rect.getY() << ", " << rect.getWidth() << ", " << rect.getHeight() << ") ";
  return ostr;
}  

class SampleStreamReporter : public ProdmarkStreamReporterInterface {
public: 
  void SnapshotProcessed(const ProdmarkResult &result, bool may_finish) {
    std::cout << "Snapshot has been processed, may_finish is: " 
              << std::boolalpha << may_finish << std::endl;
    printResult(result);
    std::cout << std::endl;
  }
  
  void SnapshotRejected() {
    std::cout << "Snapshot has been rejected" << std::endl;
  }
  
  void SymbolRectsFound(const std::vector<std::vector<ProdmarkRect> > &rects) {
    std::cout << "Symbol rects found, first is at " << rects[0][0] << std::endl;
  }
  
private:
  void printResult(const ProdmarkResult &result) {
    ::printf("Document type: %s\n", result.getDocType().getAsString().c_str());
    const std::vector<ProdmarkDocumentZone> zones = result.getDocZones();
    
    for (int i = 0; i < zones.size(); ++i) {
      ::printf("serial: %d: \"%s\"\n", i, zones[i].getZoneSerial().getAsString().c_str());
      ::printf("row: %d: \"%s\"\n", i, zones[i].getZoneRow().getAsString().c_str());
      ::printf("place: %d: \"%s\"\n", i, zones[i].getZonePlace().getAsString().c_str());
    }
  }
};



int main(int argc, char **argv) {
  std::string imageDirPath;
  std::string configPath;
  std::string lstFilePath;
  ProdmarkEngine::ImageOrientation imageOrientation = ProdmarkEngine::Landscape;

  std::map<std::string, ProdmarkEngine::ImageOrientation> orientations;
  orientations["landscape"] = ProdmarkEngine::Landscape;
  orientations["portrait"] = ProdmarkEngine::Portrait;
  orientations["inverted_landscape"] = ProdmarkEngine::InvertedLandscape;
  orientations["inverted_portrait"] = ProdmarkEngine::InvertedPortrait;
  
  if(argc != 4 && argc != 5) {
    std::cout << "Usage: " << argv[0] << " <path_to_image_file> <path_to_settings.json> [orientation]" << std::endl;
    std::cout << "Orientation can be: ";
    for (std::map<std::string, ProdmarkEngine::ImageOrientation>::const_iterator it = orientations.begin(); 
         it != orientations.end(); ++it) {
      std::cout << it->first << ((it->second == imageOrientation) ? " (default)" : "") << " ";
    }
    std::cout << std::endl;
    return 1;
  } else {
    imageDirPath = argv[1];
    configPath = argv[2];
    lstFilePath = argv[3];
    if (argc == 5) {
      const std::string orientationString = argv[4];
      const std::map<std::string, ProdmarkEngine::ImageOrientation>::const_iterator it = orientations.find(orientationString);
      if (it == orientations.end()) {
        std::cout << "Error! No such orientation: " << orientationString << std::endl;
        return 2;
      } else {
        imageOrientation = it->second;
      }
    }
  }

  std::auto_ptr<ProdmarkEngineInternalSettings> internalSettings(
        ProdmarkEngineInternalSettings::createFromFilesystem(configPath));

  ProdmarkEngineSessionSettings sessionSettings;
  SampleStreamReporter reporter;
  ProdmarkEngineSessionHelpers helpers;

  ProdmarkEngine engine(*internalSettings);


  freopen(lstFilePath.c_str(), "r", stdin);
  std::vector<std::string> images(0);
  std::string cur_name = "";
  while(std::getline(std::cin, cur_name)) {
    images.push_back(cur_name);
  }
  try {
    engine.InitializeSession(&reporter, &helpers, &sessionSettings);  

    for (int i = 0; i < images.size(); ++i) {
      engine.FeedImageFile(imageDirPath + "\\" + images[i], imageOrientation);
    }
    engine.TerminateSession();
  }

  catch(ProdmarkException &e) {
    std::cout << "Something goes wrong: " << e.what() << std::endl;
    return 1;
  }

  return 0;
}