require("dotenv").config();
const connectDB = require("../config/database");

const DEFAULT_FACEBOOK_URL = "https://www.facebook.com/hailearning.edu.vn/";
const DEFAULT_PANEL_TITLE = "Do you need any additional advice or support?";
const DEFAULT_BRAND_IMAGE = "/assets/img/logo/black-logo.svg";
const DEFAULT_FACEBOOK_ICON = "/uploads/home/floating-contact/Facebook_Logo_Primary.webp";
const DEFAULT_ZALO_ICON = "/uploads/home/floating-contact/Icon_of_Zalo.svg.webp";

function normalizePhoneForZalo(value = "") {
  const digits = String(value).replace(/\D/g, "");

  if (!digits) {
    return "";
  }

  if (digits.startsWith("84")) {
    return digits;
  }

  if (digits.startsWith("0")) {
    return `84${digits.slice(1)}`;
  }

  return digits;
}

async function migrate() {
  const mongoose = require("mongoose");
  let ownConn = false;

  try {
    const wasConnected = mongoose.connection.readyState === 1;
    await connectDB();
    if (!wasConnected) {
      ownConn = true;
    }

    const Home = require("../models/home");
    const Footer = require("../models/footer");

    const footer = await Footer.findOne().sort({ updatedAt: -1 }).lean();
    const footerPhone = footer?.top?.phone?.href || footer?.top?.phone?.display || "";
    const zaloPhone = normalizePhoneForZalo(footerPhone) || "84961834040";
    const zaloUrl = `https://zalo.me/${zaloPhone}`;

    const defaultFloatingContact = {
      enabled: true,
      position: "bottom-right",
      panelTitle: DEFAULT_PANEL_TITLE,
      brand: {
        imageSrc: DEFAULT_BRAND_IMAGE,
        imageAlt: "HAI Learning",
      },
      trigger: {
        icon: "fa-comments",
      },
      actions: [
        {
          id: "facebook",
          platform: "facebook",
          enabled: true,
          label: "Message via Facebook",
          subtitle: "facebook.com/hailearning.edu.vn",
          href: DEFAULT_FACEBOOK_URL,
          iconImage: DEFAULT_FACEBOOK_ICON,
          iconType: "iconClass",
          iconClass: "fa-brands fa-facebook-messenger",
          iconText: "",
          order: 1,
        },
        {
          id: "zalo",
          platform: "zalo",
          enabled: true,
          label: "Message via Zalo",
          subtitle: `zalo.me/${zaloPhone}`,
          href: zaloUrl,
          iconImage: DEFAULT_ZALO_ICON,
          iconType: "iconText",
          iconClass: "",
          iconText: "Zalo",
          order: 2,
        },
      ],
    };

    const updateResult = await Home.updateMany(
      { floatingContact: { $exists: false } },
      { $set: { floatingContact: defaultFloatingContact } },
    );

    if (updateResult.matchedCount === 0) {
      await Home.create({ floatingContact: defaultFloatingContact });
      console.log("Created a Home document with default floatingContact data.");
    } else {
      console.log(
        `Updated ${updateResult.modifiedCount} Home document(s) with floatingContact defaults.`,
      );
    }

    if (ownConn && mongoose.connection.readyState === 1) {
      await mongoose.disconnect();
    }
    process.exit(0);
  } catch (error) {
    console.error("Failed to add floatingContact to Home:", error);
    if (ownConn && mongoose.connection.readyState === 1) {
      await mongoose.disconnect();
    }
    process.exit(1);
  }
}

migrate();