import { Credentials, DoorSaved, SiteConfigModel } from "@/lib/api";
import { Advent22 } from "@/plugins/advent22";
import { RemovableRef, useLocalStorage } from "@vueuse/core";
import { AxiosBasicCredentials } from "axios";
import { acceptHMRUpdate, defineStore } from "pinia";

declare global {
  interface Navigator {
    readonly msMaxTouchPoints: number;
  }
}

type State = {
  advent22: Advent22;
  api_creds: RemovableRef<Credentials>;
  is_touch_device: boolean;
  is_admin: boolean;
  site_config: SiteConfigModel;
  calendar_aspect_ratio: number;
  user_doors: DoorSaved[];
  next_door_target: number | null;
};

export const advent22Store = defineStore({
  id: "advent22",

  state: (): State => ({
    advent22: new Advent22(),
    api_creds: useLocalStorage("advent22/auth", ["", ""]),
    is_touch_device:
      window.matchMedia("(any-hover: none)").matches ||
      "ontouchstart" in window ||
      navigator.maxTouchPoints > 0 ||
      navigator.msMaxTouchPoints > 0,
    is_admin: false,
    site_config: {
      title: document.title,
      subtitle: "",
      content: "",
      footer: "",
    },
    calendar_aspect_ratio: 1,
    user_doors: [],
    next_door_target: null,
  }),

  getters: {
    axios_creds: (state): AxiosBasicCredentials => {
      const [username, password] = state.api_creds;
      return { username: username, password: password };
    },
  },

  actions: {
    init(): void {
      this.update_is_admin();

      this.advent22
        .api_get_blob("user/favicon")
        .then((favicon_src) => {
          const link: HTMLLinkElement =
            document.querySelector("link[rel*='icon']") ||
            document.createElement("link");
          link.rel = "shortcut icon";
          link.type = "image/x-icon";
          link.href = favicon_src;

          if (link.parentElement === null)
            document.getElementsByTagName("head")[0].appendChild(link);
        })
        .catch(() => {});

      Promise.all([
        this.advent22.api_get<SiteConfigModel>("user/site_config"),
        this.advent22.api_get<DoorSaved[]>("user/doors"),
        this.advent22.api_get<number | null>("user/next_door"),
      ])
        .then(([site_config, user_doors, next_door]) => {
          document.title = site_config.title;

          if (site_config.subtitle !== "")
            document.title += " – " + site_config.subtitle;

          this.site_config = site_config;
          this.user_doors = user_doors;

          if (next_door !== null)
            this.next_door_target = Date.now() + next_door;
        })
        .catch(this.advent22.alert_user_error);
    },

    update_is_admin(): Promise<boolean> {
      return new Promise((resolve, reject) => {
        this.advent22
          .api_get<boolean>("admin/is_admin")
          .then((is_admin) => {
            this.is_admin = is_admin;
            resolve(is_admin);
          })
          .catch(reject);
      });
    },

    login(creds: Credentials): Promise<boolean> {
      this.api_creds = creds;
      return this.update_is_admin();
    },

    logout(): Promise<boolean> {
      return this.login(["", ""]);
    },

    toggle_touch_device(): void {
      this.is_touch_device = !this.is_touch_device;
    },

    set_calendar_aspect_ratio(rect: DOMRectReadOnly): void {
      const result = rect.width / rect.height;

      // filter suspicious results
      if (result !== 0 && isFinite(result) && !isNaN(result))
        this.calendar_aspect_ratio = result;
    },
  },
});

if (import.meta.webpackHot) {
  import.meta.webpackHot.accept(
    acceptHMRUpdate(advent22Store, import.meta.webpackHot),
  );
}