import { Body, Controller, Post, UseGuards } from '@nestjs/common'
import { SQSRecord } from 'aws-lambda'
import { isEmpty } from 'lodash'

import { AdminAuthorizationGuard, BasicAuthorizationGuard, OnlyProductionGuard } from '../../../guards'
import { PushPayload } from '../../../services'
import { isNotBlank } from '../../../utils'
import { Notifications } from '../domain/notifications'

import { SendManualParams } from './params'

const FLUTTER_ACTION = 'FLUTTER_NOTIFICATION_CLICK'

@Controller('notification')
export class NotificationController {
  constructor(private notifications: Notifications) {}

  async processNotificationsQueue(record: SQSRecord): Promise<void> {
    await this.notifications.deleteMessage(record)
    await this.notifications.sendMessage(JSON.parse(record.body))
  }

  @UseGuards(BasicAuthorizationGuard, OnlyProductionGuard)
  @Post('reports/process')
  async processDeliveryReport(): Promise<void> {
    return this.notifications.processNotificationReports()
  }

  @UseGuards(AdminAuthorizationGuard)
  @Post('send/manual')
  async sendManual(@Body() { title, body, device_ids, page }: SendManualParams): Promise<void> {
    if (isEmpty(device_ids)) return

    const payload = new PushPayload({
      notification: {
        title,
        body,
      },
    })

    if (isNotBlank(page))
      payload.data = {
        click_action: FLUTTER_ACTION,
        page,
      }

    await this.notifications.sendPushNotification(device_ids, payload)
  }
}