///
/// 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 { EntityId } from '@shared/models/id/entity-id';
import { EntityType } from '@shared/models/entity-type.models';
import { ExportableEntity } from '@shared/models/base-data';
import { EntityRelation } from '@shared/models/relation.models';
import { Device, DeviceCredentials } from '@shared/models/device.models';
import { RuleChain, RuleChainMetaData } from '@shared/models/rule-chain.models';

export const exportableEntityTypes: Array<EntityType> = [
  EntityType.ASSET,
  EntityType.DEVICE,
  EntityType.DASHBOARD,
  EntityType.CUSTOMER,
  EntityType.DEVICE_PROFILE,
  EntityType.RULE_CHAIN
];

export interface VersionCreateConfig {
  saveRelations: boolean;
  saveAttributes: boolean;
  saveCredentials: boolean;
}

export enum VersionCreateRequestType {
  SINGLE_ENTITY = 'SINGLE_ENTITY',
  COMPLEX = 'COMPLEX'
}

export interface VersionCreateRequest {
  versionName: string;
  branch: string;
  type: VersionCreateRequestType;
}

export interface SingleEntityVersionCreateRequest extends VersionCreateRequest {
  entityId: EntityId;
  config: VersionCreateConfig;
  type: VersionCreateRequestType.SINGLE_ENTITY;
}

export enum SyncStrategy {
  MERGE = 'MERGE',
  OVERWRITE = 'OVERWRITE'
}

export const syncStrategyTranslationMap = new Map<SyncStrategy, string>(
  [
    [SyncStrategy.MERGE, 'version-control.sync-strategy-merge'],
    [SyncStrategy.OVERWRITE, 'version-control.sync-strategy-overwrite']
  ]
);

export const syncStrategyHintMap = new Map<SyncStrategy, string>(
  [
    [SyncStrategy.MERGE, 'version-control.sync-strategy-merge-hint'],
    [SyncStrategy.OVERWRITE, 'version-control.sync-strategy-overwrite-hint']
  ]
);

export interface EntityTypeVersionCreateConfig extends VersionCreateConfig {
  syncStrategy: SyncStrategy;
  entityIds: string[];
  allEntities: boolean;
}

export interface ComplexVersionCreateRequest extends VersionCreateRequest {
  syncStrategy: SyncStrategy;
  entityTypes: {[entityType: string]: EntityTypeVersionCreateConfig};
  type: VersionCreateRequestType.COMPLEX;
}

export function createDefaultEntityTypesVersionCreate(): {[entityType: string]: EntityTypeVersionCreateConfig} {
  const res: {[entityType: string]: EntityTypeVersionCreateConfig} = {};
  for (const entityType of exportableEntityTypes) {
    res[entityType] = {
      syncStrategy: null,
      saveAttributes: true,
      saveRelations: true,
      saveCredentials: true,
      allEntities: true,
      entityIds: []
    };
  }
  return res;
}

export interface VersionLoadConfig {
  loadRelations: boolean;
  loadAttributes: boolean;
  loadCredentials: boolean;
}

export enum VersionLoadRequestType {
  SINGLE_ENTITY = 'SINGLE_ENTITY',
  ENTITY_TYPE = 'ENTITY_TYPE'
}

export interface VersionLoadRequest {
  branch: string;
  versionId: string;
  type: VersionLoadRequestType;
}

export interface SingleEntityVersionLoadRequest extends VersionLoadRequest {
  externalEntityId: EntityId;
  config: VersionLoadConfig;
  type: VersionLoadRequestType.SINGLE_ENTITY;
}

export interface EntityTypeVersionLoadConfig extends VersionLoadConfig {
  removeOtherEntities: boolean;
  findExistingEntityByName: boolean;
}

export interface EntityTypeVersionLoadRequest extends VersionLoadRequest {
  entityTypes: {[entityType: string]: EntityTypeVersionLoadConfig};
  type: VersionLoadRequestType.ENTITY_TYPE;
}

export function createDefaultEntityTypesVersionLoad(): {[entityType: string]: EntityTypeVersionLoadConfig} {
  const res: {[entityType: string]: EntityTypeVersionLoadConfig} = {};
  for (const entityType of exportableEntityTypes) {
    res[entityType] = {
      loadAttributes: true,
      loadRelations: true,
      loadCredentials: true,
      removeOtherEntities: false,
      findExistingEntityByName: true
    };
  }
  return res;
}

export interface BranchInfo {
  name: string;
  default: boolean;
}

export interface EntityVersion {
  timestamp: number;
  id: string;
  name: string;
  author: string;
}

export interface VersionCreationResult {
  version: EntityVersion;
  added: number;
  modified: number;
  removed: number;
}

export interface EntityTypeLoadResult {
  entityType: EntityType;
  created: number;
  updated: number;
  deleted: number;
}

export enum EntityLoadErrorType {
  DEVICE_CREDENTIALS_CONFLICT = 'DEVICE_CREDENTIALS_CONFLICT',
  MISSING_REFERENCED_ENTITY = 'MISSING_REFERENCED_ENTITY'
}

export const entityLoadErrorTranslationMap = new Map<EntityLoadErrorType, string>(
  [
    [EntityLoadErrorType.DEVICE_CREDENTIALS_CONFLICT, 'version-control.device-credentials-conflict'],
    [EntityLoadErrorType.MISSING_REFERENCED_ENTITY, 'version-control.missing-referenced-entity']
  ]
);

export interface EntityLoadError {
  type: EntityLoadErrorType;
  source: EntityId;
  target: EntityId;
}

export interface VersionLoadResult {
  result: Array<EntityTypeLoadResult>;
  error: EntityLoadError;
}

export interface AttributeExportData {
  key: string;
  lastUpdateTs: number;
  booleanValue: boolean;
  strValue: string;
  longValue: number;
  doubleValue: number;
  jsonValue: string;
}

export interface EntityExportData<E extends ExportableEntity<EntityId>> {
  entity: E;
  entityType: EntityType;
  relations: Array<EntityRelation>;
  attributes: {[key: string]: Array<AttributeExportData>};
}

export interface DeviceExportData extends EntityExportData<Device> {
  credentials: DeviceCredentials;
}

export interface RuleChainExportData extends EntityExportData<RuleChain> {
  metaData: RuleChainMetaData;
}

export interface EntityDataDiff {
  currentVersion: EntityExportData<any>;
  otherVersion: EntityExportData<any>;
  rawDiff: string;
}

export function entityExportDataToJsonString(data: EntityExportData<any>): string {
  return JSON.stringify(data, null, 4);
}

export interface EntityDataInfo {
  hasRelations: boolean;
  hasAttributes: boolean;
  hasCredentials: boolean;
}