import { defineStore, } from 'pinia';

export const useMainStore = defineStore('mainStore', {
  state: () => ({
    count: 0,
    token: "",
    loginState: false, // 登入狀態
    loginDialog: false, // 登入視窗
    profile: {}, // 使用者資訊
  }),
  getters: {
    isMobile: () => {
      // 判斷是否為手機裝置
      return /Mobile|Android|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(
        window.navigator.userAgent
      );
    },
  },
  actions: {
    // 檢查登入狀態
    checkToken() {
      const token = localStorage.getItem('token');
      console.log('checkToken', token);
      if (token) {
        this.token = token;
        this.loginState = true;
      } else {
        this.token = null;
        this.loginState = false;
      }

      return this.loginState;
    },
    logout() {
      localStorage.removeItem("token");
      return this.router.push("/");
    },
    getImageUrl(name) {
      return new URL(`/src/assets/img/${name}`, import.meta.url).href;
    },
    getTotalPages(totalRecords, recordsPerPage) { // 計算頁數
      return Math.ceil(totalRecords / recordsPerPage);
    },
    setProfile(data) {
      this.profile = data;
    },
    // 將日期格式轉成純字串
    formatDate(date) {
      const isTimestamp = !isNaN(date) && Number(date) >= 0; // 判斷是否為時間戳記
      if (!date) return ""; // 若選取的日期為空，回傳空字串
      if (!isTimestamp) {
        return date;
      } else {
        const year = date.getFullYear();
        const month = String(date.getMonth() + 1).padStart(2, "0");
        const day = String(date.getDate()).padStart(2, "0");
        // 組成 YYYY-MM-DD
        return `${year}-${month}-${day}`;
      }
    },
    // DatePicker
    datePickerFormat(date) {
      const day = date.getDate();
      const month = date.getMonth() + 1;
      const year = date.getFullYear();

      return `${year}-${month}-${day}`;
    },
    getPDF(name) {
      return `https://ntcri.org/pdf/${name}.pdf`;
    },
    // 過濾圖片標籤
    removeHtmlImages(value) {
      return value.replace(/<img\b[^>]*>/gi, "");
    },
    // 開啟登入視窗
    openLoginDialog() {
      this.loginDialog = true;
    },
    // 調整字串
    formatString(content) {
      if (content) {
        content = content.replace(/&lt;/g, "<");
        content = content.replace(/&gt;/g, ">");
        content = content.replace(/&amp;nbsp;/g, " ");
        content = content.replace(/&amp;times;/g, "×");
        content = content.replace(/&amp;#39;/g, "'");
        content = content.replace(/&middot;/g, "·");

        return content;
      }
    },
    checkTokenExpiration() {
      if (this.token) {
        // 解碼 JWT
        const base64Url = this.token.split(".")[1]; // 取得 JWT 的 payload
        const base64 = base64Url.replace(/-/g, "+").replace(/_/g, "/"); // 處理 URL 安全的 Base64 字串
        const decodedPayload = atob(base64); // Base64 解碼

        // 將解碼後的 payload 轉換為 JSON 物件
        const payload = JSON.parse(decodedPayload);

        // 獲取過期時間(exp)
        const expirationTime = payload.exp; // 過期時間的 UNIX 時間戳

        // 創建 Date 物件並設定時間戳
        const expirationDate = new Date(expirationTime * 1000); // JS 時間戳以毫秒為單位故乘以 1000

        // 取得日期和時間的字串表示
        const formattedExpiration = expirationDate.toLocaleString();

        console.log("JWT 過期時間：", formattedExpiration);

        // 取得當前時間戳
        const currentTimestamp = Math.floor(Date.now() / 1000);

        let isTokenExpired;

        // 判斷 Token 是否已過期
        if (currentTimestamp > expirationTime) {
          isTokenExpired = true;
        } else {
          isTokenExpired = false;
        }
        return isTokenExpired;
      }
    }
  },
})