import OptionSelectUiHandler from "./settings/option-select-ui-handler";
import { Mode } from "./ui";
import * as Utils from "../utils";
import { TextStyle, addTextObject, getTextStyleOptions } from "./text";
import { getSplashMessages } from "../data/splash-messages";
import i18next from "i18next";
import { TimedEventDisplay } from "#app/timed-event-manager";
import { version } from "../../package.json";
import { pokerogueApi } from "#app/plugins/api/pokerogue-api";
import { globalScene } from "#app/global-scene";
import { addWindow } from "./ui-theme";

export default class TitleUiHandler extends OptionSelectUiHandler {
  /** If the stats can not be retrieved, use this fallback value */
  private static readonly BATTLES_WON_FALLBACK: number = -99999999;

  private titleContainer: Phaser.GameObjects.Container;
  private playerCountLabel: Phaser.GameObjects.Text;
  private splashMessage: string;
  private splashMessageText: Phaser.GameObjects.Text;
  private eventDisplay: TimedEventDisplay;
  private appVersionText: Phaser.GameObjects.Text;
  // -- start temporary maintenance announcement fields --
  private announcementText: Phaser.GameObjects.Text;
  private announcementBg: Phaser.GameObjects.NineSlice;
  // -- end temporary maintenance announcement fields --

  private titleStatsTimer: NodeJS.Timeout | null;

  constructor(mode: Mode = Mode.TITLE) {
    super(mode);
  }

  setup() {
    super.setup();

    const ui = this.getUi();

    this.titleContainer = globalScene.add.container(0, -(globalScene.game.canvas.height / 6));
    this.titleContainer.setName("title");
    this.titleContainer.setAlpha(0);
    ui.add(this.titleContainer);

    const logo = globalScene.add.image((globalScene.game.canvas.width / 6) / 2, 8, "logo");
    logo.setOrigin(0.5, 0);
    this.titleContainer.add(logo);

    if (globalScene.eventManager.isEventActive()) {
      this.eventDisplay = new TimedEventDisplay(0, 0, globalScene.eventManager.activeEvent());
      this.eventDisplay.setup();
      this.titleContainer.add(this.eventDisplay);
    }

    this.playerCountLabel = addTextObject(
      (globalScene.game.canvas.width / 6) - 2,
      (globalScene.game.canvas.height / 6) - 13 - 576 * getTextStyleOptions(TextStyle.WINDOW, globalScene.uiTheme).scale,
      `? ${i18next.t("menu:playersOnline")}`,
      TextStyle.MESSAGE,
      { fontSize: "54px" }
    );
    this.playerCountLabel.setOrigin(1, 0);
    this.titleContainer.add(this.playerCountLabel);

    this.splashMessageText = addTextObject(logo.x + 64, logo.y + logo.displayHeight - 8, "", TextStyle.MONEY, { fontSize: "54px" });
    this.splashMessageText.setOrigin(0.5, 0.5);
    this.splashMessageText.setAngle(-20);
    this.titleContainer.add(this.splashMessageText);

    const originalSplashMessageScale = this.splashMessageText.scale;

    globalScene.tweens.add({
      targets: this.splashMessageText,
      duration: Utils.fixedInt(350),
      scale: originalSplashMessageScale * 1.25,
      loop: -1,
      yoyo: true,
    });

    this.appVersionText = addTextObject(logo.x - 60, logo.y + logo.displayHeight + 4, "", TextStyle.MONEY, { fontSize: "54px" });
    this.appVersionText.setOrigin(0.5, 0.5);
    this.appVersionText.setAngle(0);
    this.titleContainer.add(this.appVersionText);

    // #region Temporary Maintenance Announcement
    const currentLanguage = i18next.resolvedLanguage ?? "en";
    const getTimeFormat = (): boolean => {
      switch (currentLanguage) {
        case "en":
        case "es-ES":
        case "ko":
        case "zh-TW":
        default:
          return true; // 12h
        case "de":
        case "fr":
        case "it":
        case "ja":
        case "pt-BR":
        case "zh-CN":
          return false; // 24h
      }
    };
    const startDate = new Date(1738994400000);
    const endDate = new Date(1739167200000);
    const dateOptions: Intl.DateTimeFormatOptions = {
      dateStyle: "short",
      timeStyle: "short",
      hour12: getTimeFormat(),
    };
    const startDateLocalized = new Intl.DateTimeFormat(currentLanguage, dateOptions).format(startDate);
    const endDateLocalized = new Intl.DateTimeFormat(currentLanguage, dateOptions).format(endDate);
    const localizedAnnouncementString: { [key: string]: string } = {
      "en": ` - INFORMATION -\nServer maintenance is scheduled for the following period:\n${startDateLocalized} until ${endDateLocalized}\nEnd date and hour are an estimate.\nMaintenance may end at an earlier or later time.`,
      "de": `- INFORMATION -\nServerwartung ist für den folgenden Zeitraum geplant:\n${startDateLocalized} bis ${endDateLocalized}\nEnddatum und Uhrzeit sind eine Schätzung.\nDie Wartung kann früher oder später beendet werden.`,
      "es-ES": ` - INFORMACIÓN -\nUn mantenimiento del servidor está programado para el siguiente período:\nDesde el ${startDateLocalized} hasta el ${endDateLocalized}.\nLa fecha y hora de finalización son aproximadas.\nEl mantenimiento podría finalizar antes o extenderse más de lo previsto.`,
      "fr": ` - INFORMATION -\nUne maintenance du serveur est prévue sur la période suivante :\nDu ${startDateLocalized} au ${endDateLocalized}\nL’heure de fin est une estimation et peut s’avérer plus en avance ou tardive qu’annoncé.`,
      "it": ` - ANNUNCIO -\nUna manutenzione del server avrà luogo nel periodo seguente:\nDal ${startDateLocalized} al ${endDateLocalized}\nData e ora di fine manutenzione sono una stima,\npotrebbe terminare in anticipo o più tardi.`,
      "pt-BR": ` - INFORMATION -\nServer maintenance is scheduled for the following period:\n${startDateLocalized} until ${endDateLocalized}\nEnd date and hour are an estimate.\nMaintenance may end at an earlier or later time.`,
      "zh-TW": ` - 通知 -\n伺服器預計在以下時間維護：\n${startDateLocalized} 至 ${endDateLocalized}\n維護結束時間是預計時間\n維護可能稍早或稍晚結束。`,
      "zh-CN": ` - 通知 -\n服务器预计在以下时间维护：\n${startDateLocalized} 至 ${endDateLocalized}\n维护结束时间是预计时间\n维护可能稍早或稍晚结束。`,
      "ko": ` - 공지사항 -\n아래 기간동안 점검 예정입니다. :\n${startDateLocalized} ~ ${endDateLocalized}\n종료시각은 예상시간입니다.\n점검은 예상했던 것보다 빠르게 혹은 늦게  끝날 수 있습니다.`,
      "ja": ` - 情報 -\nサーバーメンテナンスの予定は以下の期間:\n${startDateLocalized} から ${endDateLocalized} まで\n終了日・時間は推定です。\nメンテナンスはこの時期より早く終了する場合も\n遅く終了する場合もあります。`,
    };
    const announcementString = localizedAnnouncementString[Object.keys(localizedAnnouncementString).find(lang => currentLanguage.includes(lang)) ?? "en"];
    this.announcementText = addTextObject(logo.x - 148, logo.y + logo.displayHeight + 116, announcementString, TextStyle.MONEY, { fontSize: "76px", wordWrap: { width: 200 * 6 }});
    this.announcementText.setOrigin(0, 1);
    this.announcementText.setAngle(0);
    const heightOffset = currentLanguage === "ja" ? -2 : 12;
    this.announcementBg = addWindow(this.announcementText.x - 8, this.announcementText.y + 6, this.announcementText.width / 6 + 14, this.announcementText.height / 6 + heightOffset);
    this.announcementBg.setName("announcement-bg");
    this.announcementBg.setOrigin(0, 1);
    this.titleContainer.add(this.announcementText);
    this.titleContainer.add(this.announcementBg);
    this.titleContainer.bringToTop(this.announcementText);
    // #endregion
  }

  updateTitleStats(): void {
    pokerogueApi.getGameTitleStats()
      .then(stats => {
        if (stats) {
          this.playerCountLabel.setText(`${stats.playerCount} ${i18next.t("menu:playersOnline")}`);
          if (this.splashMessage === "splashMessages:battlesWon") {
            this.splashMessageText.setText(i18next.t(this.splashMessage, { count: stats.battleCount }));
          }
        }
      })
      .catch(err => {
        console.error("Failed to fetch title stats:\n", err);
      });
  }

  show(args: any[]): boolean {
    const ret = super.show(args);

    if (ret) {
      this.splashMessage = Utils.randItem(getSplashMessages());
      this.splashMessageText.setText(i18next.t(this.splashMessage, { count: TitleUiHandler.BATTLES_WON_FALLBACK }));

      this.appVersionText.setText("v" + version);

      const ui = this.getUi();

      if (globalScene.eventManager.isEventActive()) {
        this.eventDisplay.setWidth(globalScene.scaledCanvas.width - this.optionSelectBg.width - this.optionSelectBg.x);
        this.eventDisplay.show();
      }

      this.updateTitleStats();

      this.titleStatsTimer = setInterval(() => {
        this.updateTitleStats();
      }, 60000);

      globalScene.tweens.add({
        targets: [ this.titleContainer, ui.getMessageHandler().bg ],
        duration: Utils.fixedInt(325),
        alpha: (target: any) => target === this.titleContainer ? 1 : 0,
        ease: "Sine.easeInOut"
      });
    }

    return ret;
  }

  clear(): void {
    super.clear();

    const ui = this.getUi();

    this.eventDisplay?.clear();

    this.titleStatsTimer && clearInterval(this.titleStatsTimer);
    this.titleStatsTimer = null;

    globalScene.tweens.add({
      targets: [ this.titleContainer, ui.getMessageHandler().bg ],
      duration: Utils.fixedInt(325),
      alpha: (target: any) => target === this.titleContainer ? 0 : 1,
      ease: "Sine.easeInOut"
    });
  }
}