#include <string>

#include "application/gui_application.h"
#include "layout.h"
#include "localization.h"
#include "rd_log.h"

namespace crossdesk {

int GuiApplication::UpdateNotificationWindow() {
  if (show_update_notification_window_ && update_available_) {
    const ImGuiViewport* viewport = ImGui::GetMainViewport();

    float update_notification_window_width = title_bar_button_width_ * 10.0f;
    float update_notification_window_height = title_bar_button_width_ * 8.0f;

    // #ifdef __APPLE__
    //     float font_scale = 0.3f;
    // #else
    //     float font_scale = 0.5f;
    // #endif

    ImGui::SetNextWindowPos(ImVec2((viewport->WorkSize.x - viewport->WorkPos.x -
                                    update_notification_window_width) /
                                       2,
                                   (viewport->WorkSize.y - viewport->WorkPos.y -
                                    update_notification_window_height) /
                                       2),
                            ImGuiCond_FirstUseEver);

    ImGui::SetNextWindowSize(ImVec2(update_notification_window_width,
                                    update_notification_window_height));

    ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
    ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 1.0f);
    ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, window_rounding_);
    ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding, window_rounding_ * 0.5f);
    ImGui::Begin(
        localization::notification[localization_language_index_].c_str(),
        nullptr,
        ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
            ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoTitleBar);

    ImGui::SetCursorPosY(ImGui::GetCursorPosY() +
                         update_notification_window_height * 0.05f);

    // title: new version available
    ImGui::SetCursorPosX(update_notification_window_width * 0.1f);
    ImGui::SetWindowFontScale(0.55f);
    std::string title =
        localization::new_version_available[localization_language_index_] +
        ": " + latest_version_;
    ImGui::Text("%s", title.c_str());
    ImGui::SetWindowFontScale(0.1f);

    ImGui::Spacing();

    // website link
    std::string download_text =
        localization::access_website[localization_language_index_] +
        "https://crossdesk.cn";
    ImGui::SetWindowFontScale(0.5f);
    ImGui::SetCursorPosX(update_notification_window_width * 0.1f);
    Hyperlink(download_text, "https://crossdesk.cn",
              update_notification_window_width);
    ImGui::SetWindowFontScale(1.0f);

    ImGui::Spacing();

    float scrollable_height =
        update_notification_window_height - UPDATE_NOTIFICATION_RESERVED_HEIGHT;

    if (main_windows_system_chinese_font_ != nullptr) {
      ImGui::PushFont(main_windows_system_chinese_font_);
    }
    // scrollable content area
    ImGui::SetCursorPosX(update_notification_window_width * 0.05f);
    ImGui::BeginChild(
        "ScrollableContent",
        ImVec2(update_notification_window_width * 0.9f, scrollable_height),
        ImGuiChildFlags_Borders, ImGuiWindowFlags_None);
    ImGui::SetWindowFontScale(0.5f);
    // set text wrap position to current available width (accounts for
    // scrollbar)
    float wrap_pos = ImGui::GetContentRegionAvail().x;
    ImGui::PushTextWrapPos(wrap_pos);

    // release name
    if (latest_version_info_.contains("releaseName") &&
        latest_version_info_["releaseName"].is_string() &&
        !latest_version_info_["releaseName"].empty()) {
      ImGui::SetCursorPosX(update_notification_window_width * 0.05f);
      std::string release_name =
          latest_version_info_["releaseName"].get<std::string>();
      ImGui::TextWrapped("%s", release_name.c_str());
      ImGui::Spacing();
    }

    // release notes
    if (!release_notes_.empty()) {
      ImGui::SetCursorPosX(update_notification_window_width * 0.05f);
      ImGui::TextWrapped("%s", release_notes_.c_str());
      ImGui::Spacing();
    }

    // release date
    if (latest_version_info_.contains("releaseDate") &&
        latest_version_info_["releaseDate"].is_string() &&
        !latest_version_info_["releaseDate"].empty()) {
      ImGui::SetCursorPosX(update_notification_window_width * 0.05f);
      std::string date_label =
          localization::release_date[localization_language_index_];
      std::string release_date = latest_version_info_["releaseDate"];
      std::string date_text = date_label + release_date;
      ImGui::Text("%s", date_text.c_str());
      ImGui::Spacing();
    }

    // pop text wrap position
    ImGui::PopTextWrapPos();

    ImGui::EndChild();

    // pop system font
    if (main_windows_system_chinese_font_ != nullptr) {
      ImGui::PopFont();
    }

    ImGui::Spacing();

    if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
      ImGui::SetCursorPosX(update_notification_window_width * 0.407f);
    } else {
      ImGui::SetCursorPosX(update_notification_window_width * 0.367f);
    }

    ImGui::SetWindowFontScale(0.5f);
    // update button
    if (ImGui::Button(
            localization::update[localization_language_index_].c_str())) {
      // open download page
      std::string url = "https://crossdesk.cn";
      OpenUrl(url);
      show_update_notification_window_ = false;
    }

    ImGui::SameLine();

    if (ImGui::Button(
            localization::cancel[localization_language_index_].c_str())) {
      show_update_notification_window_ = false;
    }

    ImGui::SetWindowFontScale(1.0f);

    ImGui::End();
    ImGui::PopStyleVar(3);
    ImGui::PopStyleColor();
  }
  return 0;
}

}  // namespace crossdesk