#include "map_settings.h"

#include <QDebug>

#include "selfdrive/ui/qt/request_repeater.h"
#include "selfdrive/ui/qt/widgets/controls.h"
#include "selfdrive/common/util.h"

static QString shorten(const QString &str, int max_len) {
  return str.size() > max_len ? str.left(max_len).trimmed() + "…" : str;
}

MapPanel::MapPanel(QWidget* parent) : QWidget(parent) {
  QVBoxLayout *main_layout = new QVBoxLayout(this);
  Params params = Params();

  // Home
  QHBoxLayout *home_layout = new QHBoxLayout;
  home_button = new QPushButton;
  home_button->setIconSize(QSize(200, 200));
  home_layout->addWidget(home_button);

  home_address = new QLabel;
  home_address->setWordWrap(true);
  home_layout->addSpacing(30);
  home_layout->addWidget(home_address);
  home_layout->addStretch();

  // Work
  QHBoxLayout *work_layout = new QHBoxLayout;
  work_button = new QPushButton;
  work_button->setIconSize(QSize(200, 200));
  work_layout->addWidget(work_button);

  work_address = new QLabel;
  work_address->setWordWrap(true);
  work_layout->addSpacing(30);
  work_layout->addWidget(work_address);
  work_layout->addStretch();

  // Home & Work layout
  QHBoxLayout *home_work_layout = new QHBoxLayout;
  home_work_layout->addLayout(home_layout, 1);
  home_work_layout->addSpacing(50);
  home_work_layout->addLayout(work_layout, 1);

  main_layout->addLayout(home_work_layout);
  main_layout->addSpacing(50);
  main_layout->addWidget(horizontal_line());

  // Settings
  main_layout->addWidget(new ParamControl("NavSettingTime24h",
                                    "Show ETA in 24h format",
                                    "Use 24h format instead of am/pm",
                                    "",
                                    this));
  main_layout->addStretch();

  clear();

  std::string dongle_id = Params().get("DongleId");
  if (util::is_valid_dongle_id(dongle_id)) {
    std::string url = "https://api.commadotai.com/v1/navigation/" + dongle_id + "/locations";
    RequestRepeater* repeater = new RequestRepeater(this, QString::fromStdString(url), "ApiCache_NavDestinations", 30);
    QObject::connect(repeater, &RequestRepeater::receivedResponse, this, &MapPanel::parseResponse);
  }
}

void MapPanel::clear() {
  home_button->setIcon(QPixmap("../assets/navigation/home_inactive.png"));
  home_address->setStyleSheet(R"(font-size: 50px; color: grey;)");
  home_address->setText("No home\nlocation set");
  home_button->disconnect();

  work_button->setIcon(QPixmap("../assets/navigation/work_inactive.png"));
  work_address->setStyleSheet(R"(font-size: 50px; color: grey;)");
  work_address->setText("No work\nlocation set");
  work_button->disconnect();
}


void MapPanel::parseResponse(const QString &response) {
  QJsonDocument doc = QJsonDocument::fromJson(response.trimmed().toUtf8());
  if (doc.isNull()) {
    qDebug() << "JSON Parse failed on navigation locations";
    return;
  }

  clear();

  for (auto location : doc.array()) {
    auto obj = location.toObject();

    auto type = obj["save_type"].toString();
    auto label = obj["label"].toString();
    auto name = obj["place_name"].toString();
    auto details = shorten(obj["place_details"].toString(), 30);

    if (type == "favorite") {
      if (label == "home") {
        home_address->setText(name);
        home_address->setStyleSheet(R"(font-size: 50px; color: white;)");
        home_button->setIcon(QPixmap("../assets/navigation/home.png"));
        QObject::connect(home_button, &QPushButton::clicked, [=]() {
          navigateTo(obj);
          emit closeSettings();
        });
      } else if (label == "work") {
        work_address->setText(name);
        work_address->setStyleSheet(R"(font-size: 50px; color: white;)");
        work_button->setIcon(QPixmap("../assets/navigation/work.png"));
        QObject::connect(work_button, &QPushButton::clicked, [=]() {
          navigateTo(obj);
          emit closeSettings();
        });
      }
    }
  }
}

void MapPanel::navigateTo(const QJsonObject &place) {
  QJsonDocument doc(place);
  Params().put("NavDestination", doc.toJson().toStdString());
}