//
// Copyright © 2020, 2021 Anticrm Platform Contributors.
// Copyright © 2021, 2022, 2023 Hardcore Engineering Inc.
//
// Licensed under the Eclipse Public 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 https://www.eclipse.org/legal/epl-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 { ActivityMessage } from '@hcengineering/activity'
import contact, { Employee, Person, PersonAccount, PersonSpace } from '@hcengineering/contact'
import { Account, Class, Doc, Mixin, Ref, Tx, TxCUD } from '@hcengineering/core'
import {
  BaseNotificationType,
  InboxNotification,
  NotificationContent,
  NotificationProvider,
  NotificationType
} from '@hcengineering/notification'
import { Metadata, Plugin, Resource, plugin } from '@hcengineering/platform'
import type { TriggerControl, TriggerFunc } from '@hcengineering/server-core'

/**
 * @public
 */
export const serverNotificationId = 'server-notification' as Plugin

/**
 * @public
 */
export function getPersonAccountById (_id: Ref<Account>, control: TriggerControl): PersonAccount | undefined {
  const account = control.modelDb.findAllSync(
    contact.class.PersonAccount,
    {
      _id: _id as Ref<PersonAccount>
    },
    { limit: 1 }
  )[0]
  return account
}

/**
 * @public
 */
export async function getEmployee (employee: Ref<Employee>, control: TriggerControl): Promise<Employee | undefined> {
  const account = (
    await control.findAll(
      contact.mixin.Employee,
      {
        _id: employee
      },
      { limit: 1 }
    )
  )[0]
  return account !== undefined ? control.hierarchy.as(account, contact.mixin.Employee) : undefined
}

/**
 * @public
 */
export type Presenter<T extends Doc = any> = (doc: T, control: TriggerControl) => Promise<string>

/**
 * @public
 */
export interface HTMLPresenter<T extends Doc = any> extends Class<T> {
  presenter: Resource<Presenter<T>>
}

/**
 * @public
 */
export interface TextPresenter<T extends Doc = any> extends Class<T> {
  presenter: Resource<Presenter<T>>
}

/**
 * @public
 */
export type TypeMatchFunc = Resource<
(tx: Tx, doc: Doc, user: Ref<Account>[], type: NotificationType, control: TriggerControl) => boolean
>

/**
 * @public
 */
export interface TypeMatch extends NotificationType {
  func: TypeMatchFunc
}

/**
 * @public
 */
export type NotificationContentProvider = (
  doc: Doc,
  tx: TxCUD<Doc>,
  target: Ref<Account>,
  control: TriggerControl
) => Promise<NotificationContent>

/**
 * @public
 */
export interface NotificationPresenter extends Class<Doc> {
  presenter: Resource<NotificationContentProvider>
}

export interface ReceiverInfo {
  _id: Ref<Account>
  account: PersonAccount
  person: Employee
  space: Ref<PersonSpace>
}

export interface SenderInfo {
  _id: Ref<Account>
  account?: PersonAccount
  person?: Person
}

export type NotificationProviderFunc = (
  control: TriggerControl,
  types: BaseNotificationType[],
  object: Doc,
  data: InboxNotification,
  receiver: ReceiverInfo,
  sender: SenderInfo,
  message?: ActivityMessage
) => Promise<Tx[]>

export interface NotificationProviderResources extends Doc {
  provider: Ref<NotificationProvider>
  fn: Resource<NotificationProviderFunc>
}

export const NOTIFICATION_BODY_SIZE = 50
export const PUSH_NOTIFICATION_TITLE_SIZE = 80

/**
 * @public
 */
export default plugin(serverNotificationId, {
  metadata: {
    SesUrl: '' as Metadata<string>,
    PushPrivateKey: '' as Metadata<string>,
    PushSubject: '' as Metadata<string>
  },
  class: {
    NotificationProviderResources: '' as Ref<Class<NotificationProviderResources>>
  },
  mixin: {
    HTMLPresenter: '' as Ref<Mixin<HTMLPresenter>>,
    TextPresenter: '' as Ref<Mixin<TextPresenter>>,
    TypeMatch: '' as Ref<Mixin<TypeMatch>>,
    NotificationPresenter: '' as Ref<Mixin<NotificationPresenter>>
  },
  trigger: {
    OnAttributeCreate: '' as Resource<TriggerFunc>,
    OnAttributeUpdate: '' as Resource<TriggerFunc>,
    OnReactionChanged: '' as Resource<TriggerFunc>,
    OnDocRemove: '' as Resource<TriggerFunc>
  },
  function: {
    IsUserInFieldValueTypeMatch: '' as TypeMatchFunc,
    IsUserEmployeeInFieldValueTypeMatch: '' as TypeMatchFunc
  }
})