import createHttpError from "http-errors";
import { Controller } from "../../../core/controller/main.controller";
import { User } from "../../../models/User";
import bcrypt from "bcryptjs";
import jwt from "jsonwebtoken";
import { Role } from "../../../models/Role";
import { Applicant } from "../../../models/Applicant";
import { Identity } from "../../../models/Identity";
import { authErrorMessages } from "../messages/auth.messages";
class AuthServiceClass extends Controller {
  async usersLogin(email: string, password: string) {
    try {
      // ۱. پیدا کردن کاربر به همراه نقش
      const user = await User.findOne({
        where: { email },
        include: [
          {
            model: Role,
            as: "role",
          },
        ],
      });

      if (!user)
        throw new createHttpError.Unauthorized("ایمیل یا رمز عبور اشتباه است.");

      // ۲. چک کردن پسورد
      const isMatch = await bcrypt.compare(password, user.password);
      if (!isMatch)
        throw new createHttpError.Unauthorized("ایمیل یا رمز عبور اشتباه است.");

      // ۳. صدور توکن
      const token = jwt.sign(
        { userId: user.id },
        process.env.JWT_SECRET || "secret",
        { expiresIn: "24h" }, // طول عمر توکن
      );

      return {
        token,
        user: { id: user.id, fullname: user.fullname, role: user },
      };
    } catch (err) {
      throw new createHttpError.InternalServerError("خطای سرور");
    }
  }

  async applicantLogin(nationalCode: string) {
    try {
      const identity = await Identity.findOne({
        where: { nationalCode },
        include: [
          {
            model: Applicant,
            as: "applicant",
          },
        ],
      });

      if (!identity?.applicantId) {
        throw new createHttpError.NotFound(
          authErrorMessages.notFound.applicant,
        );
      }

      const token = jwt.sign(
        { userId: identity.applicantId },
        process.env.JWT_SECRET || "secret",
        { expiresIn: "24h" }, // طول عمر توکن
      );

      return {
        token,
        applicant: { id: identity.applicantId, fullname: `${identity.firstName} ${identity.lastName}`, role: identity },
      };
    } catch (error) {
      throw new createHttpError.InternalServerError("خطای سرور");
    }
  }
}

const AuthService = new AuthServiceClass();

export default AuthService;