///
/// Copyright © 2016-2022 The Thingsboard Authors
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
///     http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///

import { TranslateService } from '@ngx-translate/core';

export interface RateLimits {
  value: string;
  time: string;
}

export enum RateLimitsType {
  DEVICE_MESSAGES = 'DEVICE_MESSAGES',
  DEVICE_TELEMETRY_MESSAGES = 'DEVICE_TELEMETRY_MESSAGES',
  DEVICE_TELEMETRY_DATA_POINTS = 'DEVICE_TELEMETRY_DATA_POINTS',
  TENANT_MESSAGES = 'TENANT_MESSAGES',
  TENANT_TELEMETRY_MESSAGES = 'TENANT_TELEMETRY_MESSAGES',
  TENANT_TELEMETRY_DATA_POINTS = 'TENANT_TELEMETRY_DATA_POINTS',
  TENANT_SERVER_REST_LIMITS_CONFIGURATION = 'TENANT_SERVER_REST_LIMITS_CONFIGURATION',
  CUSTOMER_SERVER_REST_LIMITS_CONFIGURATION = 'CUSTOMER_SERVER_REST_LIMITS_CONFIGURATION',
  WS_UPDATE_PER_SESSION_RATE_LIMIT = 'WS_UPDATE_PER_SESSION_RATE_LIMIT',
  CASSANDRA_QUERY_TENANT_RATE_LIMITS_CONFIGURATION = 'CASSANDRA_QUERY_TENANT_RATE_LIMITS_CONFIGURATION',
}

export const rateLimitLabelTranslationMap = new Map<RateLimitsType, string>(
  [
    [RateLimitsType.TENANT_MESSAGES, 'tenant-profile.rate-limits.transport-tenant-msg'],
    [RateLimitsType.TENANT_TELEMETRY_MESSAGES, 'tenant-profile.rate-limits.transport-tenant-telemetry-msg'],
    [RateLimitsType.TENANT_TELEMETRY_DATA_POINTS, 'tenant-profile.rate-limits.transport-tenant-telemetry-data-points'],
    [RateLimitsType.DEVICE_MESSAGES, 'tenant-profile.rate-limits.transport-device-msg'],
    [RateLimitsType.DEVICE_TELEMETRY_MESSAGES, 'tenant-profile.rate-limits.transport-device-telemetry-msg'],
    [RateLimitsType.DEVICE_TELEMETRY_DATA_POINTS, 'tenant-profile.rate-limits.transport-device-telemetry-data-points'],
    [RateLimitsType.TENANT_SERVER_REST_LIMITS_CONFIGURATION, 'tenant-profile.transport-tenant-msg-rate-limit'],
    [RateLimitsType.CUSTOMER_SERVER_REST_LIMITS_CONFIGURATION, 'tenant-profile.customer-rest-limits'],
    [RateLimitsType.WS_UPDATE_PER_SESSION_RATE_LIMIT, 'tenant-profile.ws-limit-updates-per-session'],
    [RateLimitsType.CASSANDRA_QUERY_TENANT_RATE_LIMITS_CONFIGURATION, 'tenant-profile.cassandra-tenant-limits-configuration'],
  ]
);

export const editRateLimitTranslationMap = new Map<RateLimitsType, string>(
  [
    [RateLimitsType.TENANT_MESSAGES, 'tenant-profile.rate-limits.edit-transport-tenant-msg-title'],
    [RateLimitsType.TENANT_TELEMETRY_MESSAGES, 'tenant-profile.rate-limits.edit-transport-tenant-telemetry-msg-title'],
    [RateLimitsType.TENANT_TELEMETRY_DATA_POINTS, 'tenant-profile.rate-limits.edit-transport-tenant-telemetry-data-points-title'],
    [RateLimitsType.DEVICE_MESSAGES, 'tenant-profile.rate-limits.edit-transport-device-msg-title'],
    [RateLimitsType.DEVICE_TELEMETRY_MESSAGES, 'tenant-profile.rate-limits.edit-transport-device-telemetry-msg-title'],
    [RateLimitsType.DEVICE_TELEMETRY_DATA_POINTS, 'tenant-profile.rate-limits.edit-transport-device-telemetry-data-points-title'],
    [RateLimitsType.TENANT_SERVER_REST_LIMITS_CONFIGURATION, 'tenant-profile.rate-limits.edit-transport-device-telemetry-data-points-title'],
    [RateLimitsType.CUSTOMER_SERVER_REST_LIMITS_CONFIGURATION, 'tenant-profile.rate-limits.edit-transport-device-telemetry-data-points-title'],
    [RateLimitsType.WS_UPDATE_PER_SESSION_RATE_LIMIT, 'tenant-profile.rate-limits.edit-transport-device-telemetry-data-points-title'],
    [RateLimitsType.CASSANDRA_QUERY_TENANT_RATE_LIMITS_CONFIGURATION, 'tenant-profile.rate-limits.edit-transport-device-telemetry-data-points-title'],
  ]
);

export const addRateLimitTranslationMap = new Map<RateLimitsType, string>(
  [
    [RateLimitsType.TENANT_MESSAGES, 'tenant-profile.rate-limits.add-transport-tenant-msg-title'],
    [RateLimitsType.TENANT_TELEMETRY_MESSAGES, 'tenant-profile.rate-limits.add-transport-tenant-telemetry-msg-title'],
    [RateLimitsType.TENANT_TELEMETRY_DATA_POINTS, 'tenant-profile.rate-limits.add-transport-tenant-telemetry-data-points-title'],
    [RateLimitsType.DEVICE_MESSAGES, 'tenant-profile.rate-limits.add-transport-device-msg-title'],
    [RateLimitsType.DEVICE_TELEMETRY_MESSAGES, 'tenant-profile.rate-limits.add-transport-device-telemetry-msg-title'],
    [RateLimitsType.DEVICE_TELEMETRY_DATA_POINTS, 'tenant-profile.rate-limits.add-transport-device-telemetry-data-points-title'],
    [RateLimitsType.TENANT_SERVER_REST_LIMITS_CONFIGURATION, 'tenant-profile.rate-limits.add-transport-device-telemetry-data-points-title'],
    [RateLimitsType.CUSTOMER_SERVER_REST_LIMITS_CONFIGURATION, 'tenant-profile.rate-limits.add-transport-device-telemetry-data-points-title'],
    [RateLimitsType.WS_UPDATE_PER_SESSION_RATE_LIMIT, 'tenant-profile.rate-limits.add-transport-device-telemetry-data-points-title'],
    [RateLimitsType.CASSANDRA_QUERY_TENANT_RATE_LIMITS_CONFIGURATION, 'tenant-profile.rate-limits.add-transport-device-telemetry-data-points-title'],
  ]
);

export function stringToRateLimitsArray(rateLimits: string): Array<RateLimits> {
  const result: Array<RateLimits> = [];
  if (rateLimits?.length > 0) {
    let rateLimitsArrays = rateLimits.split(',');
    for (let i = 0; i < rateLimitsArrays.length; i++) {
      let valueTime = rateLimitsArrays[i].split(':');
      let value = valueTime[0];
      let time = valueTime[1];
      const rateLimitControl = {
        value,
        time
      }
      result.push(rateLimitControl);
    }
  }
  return result;
}

export function rateLimitsArrayToString(rateLimits: Array<RateLimits>): string {
  let result = '';
  for (let i = 0; i < rateLimits.length; i++) {
    result = result.concat(rateLimits[i].value, ':', rateLimits[i].time);
    if ((rateLimits.length > 1) && (i !== rateLimits.length - 1)) {
      result = result.concat(',');
    }
  }
  return result;
}

export function rateLimitsArrayToHtml(translate: TranslateService, rateLimitsArray: Array<RateLimits>): string {
  const rateLimitsHtml = rateLimitsArray.map((rateLimits, index) => {
    const isLast: boolean = index === rateLimitsArray.length-1;
    return rateLimitsToHtml(translate, rateLimits, isLast);
  });
  let result: string;
  if (rateLimitsHtml.length > 1) {
    const butLessThanText = translate.instant('tenant-profile.rate-limits.but-less-than');
    result = rateLimitsHtml.join(' <span class="disabled">' + butLessThanText + '</span> ');
  } else {
    result = rateLimitsHtml[0];
  }
  return result;
}

function rateLimitsToHtml(translate: TranslateService, rateLimit: RateLimits, isLast: boolean): string {
  const value = rateLimit.value;
  const time = rateLimit.time;
  const operation = translate.instant('tenant-profile.rate-limits.messages-per');
  const seconds = translate.instant('tenant-profile.rate-limits.sec');
  const comma = isLast ? '' : ',';
  const result = `<span class="tb-rate-limits-value">${value}</span>
                  <span>${operation}</span>
                  <span class="tb-rate-limits-value"> ${time}</span>
                  <span>${seconds}${comma}</span><br>`;
  return result;
}