#include "ticket_sale_widget.h"

#include "create_ticket_request.h"
#include "error_dialog.h"
#include "model_manager.h"
#include "repository_manager.h"
#include "repository_result.h"
#include "schema_metadata.h"
#include "tickets_model.h"
#include "tickets_repository.h"
#include <QLineEdit>
#include <QMessageBox>
#include <QSqlError>

TicketSaleWidget::TicketSaleWidget(QWidget *parent)
    : QWidget(parent), selectedSessionId_(-1) {
  setupUi(this);

  initializeRepositories(); // First or second
  initializeModels();       // First ir second
  setupTableView();         // After initialization of models
  setupConnections();
  setupSessionFinder();
}

void TicketSaleWidget::setupTableView() {
  tableTickets->setModel(ticketsModel_);
}

void TicketSaleWidget::initializeRepositories() {
  RepositoryManager &repositoryManager = RepositoryManager::instance();
  SchemaMetadata metadata = SchemaMetadata::defaultSchema();

  ticketsRepository_ = repositoryManager.getRepositoryAs<TicketsRepository>(
      metadata.repositoryTableName("tickets"));

  if (!ticketsRepository_) {
    qFatal() << "TicketSaleWidget::initializeRepositories: Failed to "
                "initialize repositories";
  }
}

void TicketSaleWidget::initializeModels() {
  ModelManager &modelManager = ModelManager::instance();
  SchemaMetadata metadata = SchemaMetadata::defaultSchema();

  ticketsModel_ =
      modelManager.getModelAs<TicketsModel>(metadata.modelTableName("tickets"));

  if (!bool(ticketsModel_)) {
    qFatal() << "TicketSaleWidget::initializeModels: Failed to initialize "
                "models";
  }
}

void TicketSaleWidget::setupConnections() {
  connect(btnSellTicket, &QPushButton::clicked, this,
          &TicketSaleWidget::onPushButtonSellTicketClicked);

  connect(sessionFinder, &EntityFinderWidget::fieldRetrieved, this,
          &TicketSaleWidget::onFieldRetrieved);
}

void TicketSaleWidget::setupSessionFinder() {
  sessionFinder->setDefaultRelation("sessions");
  sessionFinder->setLabelText(EntityFinderWidget::tr("Select session"));
  sessionFinder->setLineEditPlaceholder(EntityFinderWidget::tr(
      "Here will be information about selected session"));
}

void TicketSaleWidget::onPushButtonSellTicketClicked() {
  if (selectedSessionId_ == -1) {
    QMessageBox::warning(this, QMessageBox::tr("Error"),
                         QMessageBox::tr("No session selected"));
    return;
  }

  int seatNumber = spinBoxSeatNumber->value();
  QDateTime soldAt = dateTimeEditSell->isEnabled()
                         ? dateTimeEditSell->dateTime()
                         : QDateTime::currentDateTime();

  CreateTicketRequest request;
  request.setSeatNumber(seatNumber);
  request.setSessionId(selectedSessionId_);
  request.setSoldAt(soldAt);

  RepositoryResult result = ticketsRepository_->createTicket(request);

  if (!result.success) {
    qInfo() << "Failed to create ticket:" << result.errorMessage;
    ErrorDialog::displayError(this, result.errorMessage);
    return;
  }
}

void TicketSaleWidget::onFieldRetrieved(const QSqlField &field) {
  selectedSessionId_ = field.value().toInt();
}

// Check if all values in initializer list are valid
void TicketSaleWidget::validateSessionValues(
    const std::initializer_list<QVariant> &valuesList) {
  for (const auto &value : valuesList) {
    if (!value.isValid()) {
      return;
    }
  }
}