#ifndef METADATA_H
#define METADATA_H

#include <QDebug>
#include <QHash>
#include <QList>
#include <QString>

// TODO add namespace

/// model data
enum UserRoles {
  LastNameRole = Qt::UserRole + 1,
  FirstNameRole,
  MembershipNumberRole,
  Bidding1Role,
  Bidding2Role,
  Bidding3Role,
  DepotWish1Role,
  DepotWish2Role,
  ShareAmountRole,
  MailRole,
  ShareTypeRole,
  BiddingTypeRole,
  OnlineIdRole,
  AccessCodeRole,
  // read-only (calculated)
  FullNameRole,
  FactoredBiddingRole,
  ToStringRole,
  JsonObjectRole
};

static UserRoles DEFAULT_ROLE = FullNameRole;
// TODO ?rename USER_FACING_ROLES -> MAIN_ROLES ?
static QList<UserRoles> USER_FACING_ROLES = {
    LastNameRole,      FirstNameRole,       MembershipNumberRole, Bidding1Role,    Bidding2Role,
    Bidding3Role,      DepotWish1Role,      DepotWish2Role,       ShareAmountRole, MailRole,
    ShareTypeRole, BiddingTypeRole, OnlineIdRole,         AccessCodeRole};
static QHash<int, QByteArray> ROLE_NAMES = {{MembershipNumberRole, "Mitglieds-nr."},
                                            {LastNameRole, "Name"},
                                            {FirstNameRole, "Vorname"},
                                            {Bidding1Role, "Gebot 1"},
                                            {Bidding2Role, "Gebot 2"},
                                            {Bidding3Role, "Gebot 3"},
                                            {DepotWish1Role, "Wunsch 1"},
                                            {DepotWish2Role, "Wunsch 2"},
                                            {ShareAmountRole, "Anzahl"},
                                            {MailRole, "Mail"},
                                            {ShareTypeRole, "Art"},
                                            {BiddingTypeRole, "Bietart"},
                                            {OnlineIdRole, "Online ID"},
                                            {AccessCodeRole, "Access Code"},
                                            {FactoredBiddingRole, "factoredBidding"}};

static const QList<QString> SHARE_TYPES   = {"bezahlt", "teils/teils", "erarbeitet", ""};
static const QList<QString> BIDDING_TYPES = {"paper", "digital", "online", "offline", ""};

static QList<UserRoles> STRING_ROLES = {LastNameRole,        FirstNameRole, DepotWish1Role,
                                        DepotWish2Role,      MailRole,      ShareTypeRole,
                                        BiddingTypeRole, OnlineIdRole,  AccessCodeRole};
static QList<UserRoles> INT_ROLES    = {
    MembershipNumberRole,
    Bidding1Role,
    Bidding2Role,
    Bidding3Role,
};
static QList<UserRoles> DOUBLE_ROLES = {
    ShareAmountRole,
};

static const QList<UserRoles> TYPE_ROLES        = {ShareTypeRole, BiddingTypeRole};
static const QList<UserRoles> SHARE_TYPE_ROLES   = {ShareTypeRole};
static const QList<UserRoles> BIDDING_TYPE_ROLES = {BiddingTypeRole};

/// JSON keys
static const QString ITEMS_KEY_STRING = "items";
static const QString ITEM_KEY_STRING  = "item";

/// file naming
static const QString ITEMS_FILE_NAME = ITEMS_KEY_STRING + ".json";

/// functions
static UserRoles GET_ROLE_FOR_COLUMN(const int column) {
  switch (column) {
    case 0:
      return MembershipNumberRole;
      break;
    case 1:
      return LastNameRole;
      break;
    case 2:
      return FirstNameRole;
      break;
    case 3:
      return ShareTypeRole;
      break;
    case 4:
      return ShareAmountRole;
      break;
    case 5:
      return BiddingTypeRole;
      break;
    case 6:
      return Bidding1Role;
      break;
    case 7:
      return Bidding2Role;
      break;
    case 8:
      return Bidding3Role;
      break;
    case 9:
      return DepotWish1Role;
      break;
    case 10:
      return DepotWish2Role;
      break;
    case 11:
      return MailRole;
      break;
    case 12:
      return OnlineIdRole;
      break;
    case 13:
      return AccessCodeRole;
      break;
    default:
      qWarning() << QString("No role found for column %1! Returning 'FullNameRole'...").arg(column);
      return FullNameRole;
      break;
  }
}
static QList<QString> GET_HEADER_NAMES() {
  QList<QString> result;
  for (const UserRoles& role : USER_FACING_ROLES) {
    const QString headerName = ROLE_NAMES.value(role);
    result.append(headerName);
  }
  return result;
}

static QString GET_HEADER_FOR_COLUMN(const int column) {
  const UserRoles role     = GET_ROLE_FOR_COLUMN(column);
  const QString headerName = ROLE_NAMES.value(role);
  return headerName;
}

#endif  // METADATA_H