const {
  getAllNotificationDb,
  getNotificationByIdDb,
  InsertNotificationErrorDb,
  getUsersNotificationErrorDb,
  updateNotificationErrorDb,
} = require("../db/notification_error.db");

const { getErrorCodeByIdDb } = require("../db/brand_code.db");

const { getSolutionsByErrorCodeIdDb } = require("../db/brand_code_solution.db");

const {
  getAllNotificationErrorLogDb,
  getNotificationErrorLogByNotificationErrorIdDb,
} = require("../db/notification_error_log.db");

const { getSparepartsByErrorCodeIdDb } = require("../db/brand_sparepart.db");

const { getFileUploadByPathDb } = require("../db/file_uploads.db");

const { ErrorHandler } = require("../helpers/error");

class NotificationService {
  static async getAllNotification(param) {
    try {
      const results = await getAllNotificationDb(param);

      if (results && Array.isArray(results.data)) {
        results.data = await Promise.all(
          results.data.map(async (notification) => {
            const usersNotification = (await getUsersNotificationErrorDb(notification.notification_error_id)) || [];
            return {
              ...notification,
              users: usersNotification,
            };
          })
        );
      }
      return results;
    } catch (error) {
      throw new ErrorHandler(error.statusCode, error.message);
    }
  }

  static async createNotificationError(data) {
    try {
      if (!data || typeof data !== "object") data = {};

      const result = await InsertNotificationErrorDb(data);

      return result;
    } catch (error) {
      throw new ErrorHandler(error.statusCode, error.message);
    }
  }

  static async getNotificationById(id) {
    try {
      const notification = await getNotificationByIdDb(id);

      if (
        !notification ||
        (Array.isArray(notification) && notification.length < 1)
      ) {
        throw new ErrorHandler(404, "Notification not found");
      }

      const usersNotification = (await getUsersNotificationErrorDb(id)) || [];

      // Get error code details if error_code_id exists
      if (notification.error_code_id) {
        const errorCode = await getErrorCodeByIdDb(notification.error_code_id);

        if (errorCode) {
          // Get solutions for this error code
          const solutions =
            (await getSolutionsByErrorCodeIdDb(errorCode.error_code_id)) || [];

          const spareparts =
            (await getSparepartsByErrorCodeIdDb(errorCode.error_code_id)) || [];

          const solutionsWithDetails = await Promise.all(
            solutions.map(async (solution) => {
              let fileData = null;
              if (
                solution.path_solution &&
                solution.type_solution &&
                solution.type_solution !== "text"
              ) {
                try {
                  fileData = await getFileUploadByPathDb(
                    solution.path_solution
                  );
                } catch (e) {
                  fileData = null;
                }
              }
              return {
                ...solution,
                file_upload_name: fileData?.file_upload_name || null,
                path_document: fileData?.path_document || null,
              };
            })
          );

          notification.error_code = {
            ...errorCode,
            solution: solutionsWithDetails,
            spareparts: spareparts,
          };
        }
      }

      // Get activity logs for this notification
      const notificationLogs =
        (await getNotificationErrorLogByNotificationErrorIdDb(id)) || [];

      notification.users = usersNotification;

      notification.activity_logs = notificationLogs;

      return notification;
    } catch (error) {
      throw new ErrorHandler(error.statusCode, error.message);
    }
  }

  static async updateNotificationError(id, data) {
    try {
      if (!data || typeof data !== "object") data = {};

      const dataExist = await getNotificationByIdDb(id);

      if (dataExist.length < 1) {
        throw new ErrorHandler(404, "NotificationErrorUser not found");
      }

      const result = await updateNotificationErrorDb(id, data);

      return result;
    } catch (error) {
      throw new ErrorHandler(error.statusCode, error.message);
    }
  }
}

module.exports = NotificationService;