#include "globals.h"
#include "window.h"
#include "tabs.h"
#include "ITab.h"
#include <QLabel>
#include <QHBoxLayout>
#include <QHBoxLayout>
#include <QStatusBar>
#include <QGroupBox>
#include <QMenuBar>
#include <QApplication>
#include <QtWidgets>
#include <QGridLayout>
#include <QString>
#include <QWindow>
#include <QCoreApplication>
#include <vector>
#include "gitpp.h"

namespace
{
class ListConfig : public QWidget, public ITab
{
  public:
    //Use of Vectors for the layouts used in listing configuations
    std::vector<QPushButton *> editButtons;
    std::vector<QLineEdit *> configInputs;
    std::vector<QGroupBox *> groupBoxes;
    std::vector<QHBoxLayout *> inputLayouts;
    std::vector<QLabel *> listConfigs;
    GITPP::REPO repo;
  QWidget *choiceWindow = new QWidget();

  public:
    ListConfig() : QWidget()
    {
    std::string path = ".";
      GITPP::REPO r(path.c_str());
     gTabs.push_back(this);
     repo = gRepository;
     refresh();

    }

    void refresh() override
    {
      QGroupBox *nameBox = new QGroupBox();
      QFormLayout *boxLayout = new QFormLayout();
      QLabel *listConfigTitle = new QLabel("LIST OF CONFIGURATIONS");
      listConfigTitle->setFont(headingsFont);
      //GITPP::REPO r;
      std::string nameValue;
      size_t count = 0;
      //LISTING THE CONFIGURATIONS
      for (auto i : repo.config())
      {
        nameValue = i.name() + ":" + i.value() + "\n";
        listConfigs.push_back(new QLabel((QString::fromStdString(nameValue))));
        listConfigs[count]->setFont(textFont);
        editButtons.push_back(new QPushButton("Edit"));
        configInputs.push_back(new QLineEdit());
        configInputs[count]->clear();
        groupBoxes.push_back(new QGroupBox());
        inputLayouts.push_back(new QHBoxLayout());
        configInputs[count]->setMinimumWidth(30);
        configInputs[count]->setPlaceholderText("Enter new Value");
        editButtons[count]->minimumSizeHint();
        inputLayouts[count]->addWidget(configInputs[count]);
        inputLayouts[count]->addWidget(editButtons[count]);
        boxLayout->addRow(listConfigs[count], inputLayouts[count]);
        connect(editButtons[count++], &QPushButton::clicked, [=](){ this->choicePage(i.name(),i.value(),configInputs[count]->text(),count); });
      }

      //SETTING THE LAYOUT FOR THE WINDOW
      nameBox->setLayout(boxLayout);
      QVBoxLayout *finalLayout = new QVBoxLayout();
      finalLayout->addWidget(listConfigTitle, 0, 0);
      finalLayout->addWidget(nameBox, 2, 0);
      finalLayout->spacing();
      finalLayout->addStretch();
      setLayout(finalLayout);

    }
    void choicePage(std::string name,std::string value, QString newConfig, int count)
    //Error Message is user enters no value
    {

   	 if (newConfig.toStdString() == "")
   	 {
   		 QWidget *errorWindow = new QWidget();
   		 QHBoxLayout *errorLayout = new QHBoxLayout();
   		 QLabel *errorMessage = new QLabel("Please enter a valid value");
       errorMessage->setFont(textFont);
   		 errorLayout->addWidget(errorMessage);
   		 errorWindow->setLayout(errorLayout);
   		 errorWindow->show();
      hWindow->statusBar()->showMessage("Please enter a valid value for "
                +QString::fromStdString(name));
   	 }
	else
	//Opens a new window to confirm edit
	{
	QFormLayout *choiceButtons=new QFormLayout;
	QGroupBox *choiceBox=new QGroupBox();
	QVBoxLayout *choiceLayout=new QVBoxLayout();
	QLabel *choiceLabel=new QLabel("Configuation:"+QString::fromStdString(name) +"\n"
	"Old Value: " + QString::fromStdString(value) +" \n"+ "New Value: " + newConfig
  	+ "\nCONFIRM CHANGES?");

	// YES AND NO BUTTONS
	QPushButton *yesChoice=new QPushButton("Yes");
	QPushButton *noChoice=new QPushButton("No");
	choiceButtons->addRow(yesChoice,noChoice);
	choiceBox->setLayout(choiceButtons);
	choiceLayout->addWidget(choiceLabel,0,0);
	choiceLayout->addWidget(choiceBox,1,0);
	choiceLayout->addStretch();
	choiceWindow->setLayout(choiceLayout);
	choiceWindow->show();
	connect(noChoice, &QPushButton::clicked,[=](){ choiceWindow->hide(); });
	connect(yesChoice,&QPushButton::clicked,[=](){ this->editConfig(name,newConfig,count); });
}
}

//

  void editConfig(std::string name, QString newConfig, int count)
  {  //Changing the config value in the git repository
   	 GITPP::REPO r;
   	 auto c = repo.config();
   	 c[name] = newConfig.toStdString();
   	 configInputs[count]->clear();
   	 std::string NameValue = name + ":" + newConfig.toStdString() + "\n";
   	 listConfigs[count]->setText(QString::fromStdString(NameValue));
	    choiceWindow->hide();
     hWindow->statusBar()->showMessage("Edited "+ QString::fromStdString(name) + " to " + newConfig );
    }
};


INSTALL_TAB(ListConfig, "Show/Edit Configurations");
} // namespace