#include <map>
#include <string>
#include "entities.h"

std::string memory_test_generateConstPlayfield(
) {
  auto c = memory_createContext();
  c.playfieldSize = 2;
  auto c = memory_generateConstPlayfield(c);
  if (
    c.recentField == "playfieldItems" &&
    c.playfieldItems.size() == 4 &&
    c.playfieldItems[0] == 0 &&
    c.playfieldItems[1] == 0 &&
    c.playfieldItems[2] == 1 &&
    c.playfieldItems[3] == 1
  ) {
    return "OK: memory_generateConstPlayfield";
  }
  return "ERR: memory_generateConstPlayfield";
}



std::string memory_test_selectItem_1x(
) {
  auto c = memory_createContext();
  c.playfieldSize = 2;
  auto c = memory_generateConstPlayfield(c);
  # Select the first item.;
  c.selectedId = 0;
  auto c = memory_selectItem(c);
  # See if it's in selectedItems now.;
  if (
    c.recentField == "selectedItems" &&
    c.selectedItems.size() == 1 &&
    c.selectedItems[0] == 0
  ) {
    return "OK: memory_selectItem_1x";
  }
  return "ERR: memory_selectItem_1x";
}



std::string memory_test_selectItem_2x(
) {
  auto c = memory_createContext();
  c.playfieldSize = 2;
  auto c = memory_generateConstPlayfield(c);
  # Select the first two items.;
  c.selectedId = 0;
  auto c = memory_selectItem(c);
  c.selectedId = 1;
  auto c = memory_selectItem(c);
  # See if both items are selected now.;
  if (
    c.recentField == "selectedItems" &&
    c.selectedItems.size() == 2 &&
    c.selectedItems[0] == 0 &&
    c.selectedItems[1] == 1
  ) {
    return "OK: memory_selectItem_2x";
  }
  return "ERR: memory_selectItem_2x";
}



std::string memory_test_selectItem_3x(
) {
  auto c = memory_createContext();
  c.playfieldSize = 2;
  auto c = memory_generateConstPlayfield(c);
  # Select three items.;
  c.selectedId = 0;
  auto c = memory_selectItem(c);
  c.selectedId = 1;
  auto c = memory_selectItem(c);
  c.selectedId = 2;
  auto c = memory_selectItem(c);
  # See if only one (last) item is selected now.;
  if (
    c.recentField == "selectedItems" &&
    c.selectedItems.size() == 1 &&
    c.selectedItems[0] == 2
  ) {
    return "OK: memory_selectItem_3x";
  }
  return "ERR: memory_selectItem_3x";
}




std::string memory_test_shouldDeselectMismatchedItems(
) {
  auto c = memory_createContext();
  c.playfieldSize = 2;
  auto c = memory_generateConstPlayfield(c);
  # Select two items of different groups.;
  c.selectedId = 0;
  auto c = memory_selectItem(c);
  c.selectedId = 2;
  auto c = memory_selectItem(c);
  # Detect mismatching.;
  auto c = memory_shouldDeselectMismatchedItems(c);
  # See if the two selected items do not match.;
  if (
    c.recentField == "mismatchedItems" &&
    c.mismatchedItems.size() == 2 &&
    c.mismatchedItems[0] == 0 &&
    c.mismatchedItems[1] == 2
  ) {
    return "OK: memory_shouldDeselectMismatchedItems";
  }
  return "ERR: memory_shouldDeselectMismatchedItems";
}




std::string memory_test_shouldDeselectMismatchedItems_itemTwice(
) {
  auto c = memory_createContext();
  c.playfieldSize = 2;
  auto c = memory_generateConstPlayfield(c);
  # Select the same item twice.;
  c.selectedId = 0;
  auto c = memory_selectItem(c);
  c.selectedId = 0;
  auto c = memory_selectItem(c);
  # Detect mismatching.;
  auto c = memory_shouldDeselectMismatchedItems(c);
  # See if the two selected items do not match.;
  if (
    c.recentField == "mismatchedItems" &&
    c.mismatchedItems.size() == 1 &&
    c.mismatchedItems[0] == 0
  ) {
    return "OK: memory_shouldDeselectMismatchedItems_itemTwice";
  }
  return "ERR: memory_shouldDeselectMismatchedItems_itemTwice";
}







std::string memory_test_shouldDetectVictory(
) {
  auto c = memory_createContext();
  c.playfieldSize = 2;
  auto c = memory_generateConstPlayfield(c);
  # Select the first two items of the same group.;
  c.selectedId = 0;
  auto c = memory_selectItem(c);
  c.selectedId = 1;
  auto c = memory_selectItem(c);
  # Hide the first pair.;
  auto c = memory_shouldHideMatchingItems(c);
  # Select the last two items of the same group.;
  c.selectedId = 2;
  auto c = memory_selectItem(c);
  c.selectedId = 3;
  auto c = memory_selectItem(c);
  # Hide the second pair.;
  auto c = memory_shouldHideMatchingItems(c);
  # Detect victory.;
  auto c = memory_shouldDetectVictory(c);
  # See if victory has been detected.;
  if (
    c.recentField == "victory" &&
    c.victory == True
  ) {
    return "OK: memory_shouldDetectVictory";
  }
  return "ERR: memory_shouldDetectVictory";
}




std::string memory_test_shouldHideMatchingItems(
) {
  auto c = memory_createContext();
  c.playfieldSize = 2;
  auto c = memory_generateConstPlayfield(c);
  # Select two items of the same group.;
  c.selectedId = 0;
  auto c = memory_selectItem(c);
  c.selectedId = 1;
  auto c = memory_selectItem(c);
  # Hide matching items.;
  auto c = memory_shouldHideMatchingItems(c);
  # See if the two selected items match.;
  if (
    c.recentField == "hiddenItems" &&
    c.hiddenItems.size() == 2 &&
    c.hiddenItems[0] == 0 &&
    c.hiddenItems[1] == 1
  ) {
    return "OK: memory_shouldHideMatchingItems";
  }
  return "ERR: memory_shouldHideMatchingItems";
}