/*
 * Author:          Patrick-Christopher Mattulat
 * Company:         Lynar Studios
 * E-Mail:          webmaster@lynarstudios.com
 * Created:         2020-09-25
 * Changed:         2020-09-25
 *
 * */

#include <gtest/gtest.h>
#include "../../../../source/io/xml/XMLNode.hpp"

namespace {
  class XMLNodeTest : public ::testing::Test {
    protected:

      XMLNodeTest() = default;
      ~XMLNodeTest() override = default;

      void SetUp() override {}
      void TearDown() override {}
  };

  TEST_F(XMLNodeTest, addChildAfter)
  {
    ls_std::XMLNode dialogsNode {"dialogs"};
    std::shared_ptr<ls_std::XMLNode> currentNode {};
    std::shared_ptr<ls_std::XMLNode> dialogNodeA = std::make_shared<ls_std::XMLNode>("dialogNodeA");
    std::shared_ptr<ls_std::XMLNode> dialogNodeB = std::make_shared<ls_std::XMLNode>("dialogNodeB");
    std::shared_ptr<ls_std::XMLNode> dialogNodeC = std::make_shared<ls_std::XMLNode>("dialogNodeC");
    std::shared_ptr<ls_std::XMLNode> dialogNodeD = std::make_shared<ls_std::XMLNode>("dialogNodeD");

    ASSERT_TRUE(dialogsNode.addChildToEnd(dialogNodeB));
    ASSERT_TRUE(dialogsNode.addChildToEnd(dialogNodeC));
    ASSERT_EQ(2, dialogsNode.getChildren().size());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 0);
    ASSERT_STREQ("dialogNodeB", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 1);
    ASSERT_STREQ("dialogNodeC", currentNode->getName().c_str());

    // add A after B

    ASSERT_TRUE(dialogsNode.addChildAfter(dialogNodeA, dialogNodeB));

    currentNode = *std::next(dialogsNode.getChildren().begin(), 0);
    ASSERT_STREQ("dialogNodeB", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 1);
    ASSERT_STREQ("dialogNodeA", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 2);
    ASSERT_STREQ("dialogNodeC", currentNode->getName().c_str());

    // add D after C

    ASSERT_TRUE(dialogsNode.addChildAfter(dialogNodeD, dialogNodeC));

    currentNode = *std::next(dialogsNode.getChildren().begin(), 0);
    ASSERT_STREQ("dialogNodeB", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 1);
    ASSERT_STREQ("dialogNodeA", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 2);
    ASSERT_STREQ("dialogNodeC", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 3);
    ASSERT_STREQ("dialogNodeD", currentNode->getName().c_str());
  }

  TEST_F(XMLNodeTest, addChildBefore)
  {
    ls_std::XMLNode dialogsNode {"dialogs"};
    std::shared_ptr<ls_std::XMLNode> currentNode {};
    std::shared_ptr<ls_std::XMLNode> dialogNodeA = std::make_shared<ls_std::XMLNode>("dialogNodeA");
    std::shared_ptr<ls_std::XMLNode> dialogNodeB = std::make_shared<ls_std::XMLNode>("dialogNodeB");
    std::shared_ptr<ls_std::XMLNode> dialogNodeC = std::make_shared<ls_std::XMLNode>("dialogNodeC");
    std::shared_ptr<ls_std::XMLNode> dialogNodeD = std::make_shared<ls_std::XMLNode>("dialogNodeD");

    ASSERT_TRUE(dialogsNode.addChildToEnd(dialogNodeB));
    ASSERT_TRUE(dialogsNode.addChildToEnd(dialogNodeC));
    ASSERT_EQ(2, dialogsNode.getChildren().size());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 0);
    ASSERT_STREQ("dialogNodeB", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 1);
    ASSERT_STREQ("dialogNodeC", currentNode->getName().c_str());

    // add A before C

    ASSERT_TRUE(dialogsNode.addChildBefore(dialogNodeA, dialogNodeC));

    currentNode = *std::next(dialogsNode.getChildren().begin(), 0);
    ASSERT_STREQ("dialogNodeB", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 1);
    ASSERT_STREQ("dialogNodeA", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 2);
    ASSERT_STREQ("dialogNodeC", currentNode->getName().c_str());

    // add D before B

    ASSERT_TRUE(dialogsNode.addChildBefore(dialogNodeD, dialogNodeB));

    currentNode = *std::next(dialogsNode.getChildren().begin(), 0);
    ASSERT_STREQ("dialogNodeD", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 1);
    ASSERT_STREQ("dialogNodeB", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 2);
    ASSERT_STREQ("dialogNodeA", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 3);
    ASSERT_STREQ("dialogNodeC", currentNode->getName().c_str());
  }

  TEST_F(XMLNodeTest, addChildToBeginning)
  {
    ls_std::XMLNode dialogsNode {"dialogs"};
    std::shared_ptr<ls_std::XMLNode> currentNode {};

    ls_std::XMLNode dialogNodeA {"dialogNodeA"};
    ls_std::XMLNode dialogNodeB {"dialogNodeB"};
    ls_std::XMLNode dialogNodeC {"dialogNodeC"};

    ASSERT_TRUE(dialogsNode.getChildren().empty());
    ASSERT_EQ(0, dialogsNode.getChildren().size());

    // adding C

    ASSERT_TRUE(dialogsNode.addChildToBeginning(std::make_shared<ls_std::XMLNode>(dialogNodeC)));
    ASSERT_TRUE(!dialogsNode.getChildren().empty());
    ASSERT_EQ(1, dialogsNode.getChildren().size());

    currentNode = *std::next(dialogsNode.getChildren().begin(), 0);
    ASSERT_STREQ("dialogNodeC", currentNode->getName().c_str());

    // adding B

    ASSERT_TRUE(dialogsNode.addChildToBeginning(std::make_shared<ls_std::XMLNode>(dialogNodeB)));
    ASSERT_EQ(2, dialogsNode.getChildren().size());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 0);
    ASSERT_STREQ("dialogNodeB", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 1);
    ASSERT_STREQ("dialogNodeC", currentNode->getName().c_str());

    // adding A

    ASSERT_TRUE(dialogsNode.addChildToBeginning(std::make_shared<ls_std::XMLNode>(dialogNodeA)));
    ASSERT_EQ(3, dialogsNode.getChildren().size());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 0);
    ASSERT_STREQ("dialogNodeA", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 1);
    ASSERT_STREQ("dialogNodeB", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 2);
    ASSERT_STREQ("dialogNodeC", currentNode->getName().c_str());
  }

  TEST_F(XMLNodeTest, addChildToEnd)
  {
    ls_std::XMLNode dialogsNode {"dialogs"};
    std::shared_ptr<ls_std::XMLNode> currentNode {};

    ls_std::XMLNode dialogNodeA {"dialogNodeA"};
    ls_std::XMLNode dialogNodeB {"dialogNodeB"};
    ls_std::XMLNode dialogNodeC {"dialogNodeC"};

    ASSERT_TRUE(dialogsNode.getChildren().empty());
    ASSERT_EQ(0, dialogsNode.getChildren().size());

    // adding C

    ASSERT_TRUE(dialogsNode.addChildToEnd(std::make_shared<ls_std::XMLNode>(dialogNodeC)));
    ASSERT_TRUE(!dialogsNode.getChildren().empty());
    ASSERT_EQ(1, dialogsNode.getChildren().size());

    currentNode = *std::next(dialogsNode.getChildren().begin(), 0);
    ASSERT_STREQ("dialogNodeC", currentNode->getName().c_str());

    // adding B

    ASSERT_TRUE(dialogsNode.addChildToEnd(std::make_shared<ls_std::XMLNode>(dialogNodeB)));
    ASSERT_EQ(2, dialogsNode.getChildren().size());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 0);
    ASSERT_STREQ("dialogNodeC", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 1);
    ASSERT_STREQ("dialogNodeB", currentNode->getName().c_str());

    // adding A

    ASSERT_TRUE(dialogsNode.addChildToEnd(std::make_shared<ls_std::XMLNode>(dialogNodeA)));
    ASSERT_EQ(3, dialogsNode.getChildren().size());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 0);
    ASSERT_STREQ("dialogNodeC", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 1);
    ASSERT_STREQ("dialogNodeB", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 2);
    ASSERT_STREQ("dialogNodeA", currentNode->getName().c_str());
  }

  TEST_F(XMLNodeTest, getAttributes)
  {
    ls_std::XMLNode dialogNode {"dialog"};
    ASSERT_TRUE(dialogNode.getAttributes().empty());
  }

  TEST_F(XMLNodeTest, getChildren)
  {
    ls_std::XMLNode dialogNode {"dialog"};
    ASSERT_TRUE(dialogNode.getChildren().empty());
  }

  TEST_F(XMLNodeTest, getChildrenV2)
  {
    ls_std::XMLNode dialogsNode {"dialogs"};
    ls_std::XMLNode dialogNode {"dialog"};
    ls_std::XMLNode otherNode {"something"};

    // preparation

    ASSERT_TRUE(dialogsNode.addChildToEnd(std::make_shared<ls_std::XMLNode>(dialogNode)));
    ASSERT_TRUE(dialogsNode.addChildToEnd(std::make_shared<ls_std::XMLNode>(otherNode)));
    ASSERT_TRUE(dialogsNode.addChildToEnd(std::make_shared<ls_std::XMLNode>(otherNode)));
    ASSERT_TRUE(dialogsNode.addChildToEnd(std::make_shared<ls_std::XMLNode>(dialogNode)));
    ASSERT_TRUE(dialogsNode.addChildToEnd(std::make_shared<ls_std::XMLNode>(otherNode)));

    // check

    ASSERT_TRUE(!dialogsNode.getChildren().empty());
    ASSERT_EQ(5, dialogsNode.getChildren().size());
    ASSERT_EQ(2, dialogsNode.getChildren("dialog").size());
    ASSERT_EQ(3, dialogsNode.getChildren("something").size());
  }

  TEST_F(XMLNodeTest, getName)
  {
    ls_std::XMLNode dialogNode {"dialog"};
    ASSERT_STREQ("dialog", dialogNode.getName().c_str());
  }

  TEST_F(XMLNodeTest, removeFirstChild)
  {
    ls_std::XMLNode dialogsNode {"dialogs"};
    std::shared_ptr<ls_std::XMLNode> currentNode {};

    // preparation

    ASSERT_TRUE(dialogsNode.addChildToEnd(std::make_shared<ls_std::XMLNode>("dialogA")));
    ASSERT_TRUE(dialogsNode.addChildToEnd(std::make_shared<ls_std::XMLNode>("dialogB")));
    ASSERT_TRUE(dialogsNode.addChildToEnd(std::make_shared<ls_std::XMLNode>("dialogC")));
    ASSERT_TRUE(dialogsNode.addChildToEnd(std::make_shared<ls_std::XMLNode>("additionalInfo")));
    ASSERT_TRUE(dialogsNode.addChildToEnd(std::make_shared<ls_std::XMLNode>("event")));

    ASSERT_EQ(5, dialogsNode.getChildren().size());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 0);
    ASSERT_STREQ("dialogA", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 1);
    ASSERT_STREQ("dialogB", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 2);
    ASSERT_STREQ("dialogC", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 3);
    ASSERT_STREQ("additionalInfo", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 4);
    ASSERT_STREQ("event", currentNode->getName().c_str());

    // check

    dialogsNode.removeFirstChild();
    currentNode = *std::next(dialogsNode.getChildren().begin(), 0);
    ASSERT_STREQ("dialogB", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 1);
    ASSERT_STREQ("dialogC", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 2);
    ASSERT_STREQ("additionalInfo", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 3);
    ASSERT_STREQ("event", currentNode->getName().c_str());
  }

  TEST_F(XMLNodeTest, removeLastChild)
  {
    ls_std::XMLNode dialogsNode {"dialogs"};
    std::shared_ptr<ls_std::XMLNode> currentNode {};

    // preparation

    ASSERT_TRUE(dialogsNode.addChildToEnd(std::make_shared<ls_std::XMLNode>("dialogA")));
    ASSERT_TRUE(dialogsNode.addChildToEnd(std::make_shared<ls_std::XMLNode>("dialogB")));
    ASSERT_TRUE(dialogsNode.addChildToEnd(std::make_shared<ls_std::XMLNode>("dialogC")));
    ASSERT_TRUE(dialogsNode.addChildToEnd(std::make_shared<ls_std::XMLNode>("additionalInfo")));
    ASSERT_TRUE(dialogsNode.addChildToEnd(std::make_shared<ls_std::XMLNode>("event")));

    ASSERT_EQ(5, dialogsNode.getChildren().size());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 0);
    ASSERT_STREQ("dialogA", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 1);
    ASSERT_STREQ("dialogB", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 2);
    ASSERT_STREQ("dialogC", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 3);
    ASSERT_STREQ("additionalInfo", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 4);
    ASSERT_STREQ("event", currentNode->getName().c_str());

    // check

    dialogsNode.removeLastChild();
    currentNode = *std::next(dialogsNode.getChildren().begin(), 0);
    ASSERT_STREQ("dialogA", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 1);
    ASSERT_STREQ("dialogB", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 2);
    ASSERT_STREQ("dialogC", currentNode->getName().c_str());
    currentNode = *std::next(dialogsNode.getChildren().begin(), 3);
    ASSERT_STREQ("additionalInfo", currentNode->getName().c_str());
  }

  TEST_F(XMLNodeTest, setName)
  {
    ls_std::XMLNode dialogNode {"dialog"};
    dialogNode.setName("dialog2");

    ASSERT_STREQ("dialog2", dialogNode.getName().c_str());
  }
}