//
// Copyright © 2024 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 { setMetadata } from '@hcengineering/platform'
import serverToken from '@hcengineering/server-token'
import { Analytics } from '@hcengineering/analytics'
import { SplitLogger, configureAnalytics } from '@hcengineering/analytics-service'
import serverClient from '@hcengineering/server-client'
import { MeasureMetricsContext, newMetrics } from '@hcengineering/core'
import { join } from 'path'

import config from './config'
import { createServer, listen } from './server'
import { Collector } from './collector'
import { registerLoaders } from './loaders'
import { closeDB, getDB } from './storage'

const ctx = new MeasureMetricsContext(
  'analytics-collector-service',
  {},
  {},
  newMetrics(),
  new SplitLogger('analytics-collector-service', {
    root: join(process.cwd(), 'logs'),
    enableConsole: (process.env.ENABLE_CONSOLE ?? 'true') === 'true'
  })
)

configureAnalytics(config.SentryDSN, config)
Analytics.setTag('application', 'analytics-collector-service')

export const main = async (): Promise<void> => {
  setMetadata(serverToken.metadata.Secret, config.Secret)
  setMetadata(serverClient.metadata.Endpoint, config.AccountsUrl)
  setMetadata(serverClient.metadata.UserAgent, config.ServiceID)

  ctx.info('Analytics service started', {
    accountsUrl: config.AccountsUrl,
    supportWorkspace: config.SupportWorkspace
  })

  registerLoaders()

  const db = await getDB()
  const collector = new Collector(ctx, db)

  const app = createServer(collector)
  const server = listen(app, config.Port)

  const shutdown = (): void => {
    void collector.close()
    void closeDB()
    server.close(() => process.exit())
  }

  process.on('SIGINT', shutdown)
  process.on('SIGTERM', shutdown)
  process.on('uncaughtException', (e) => {
    console.error(e)
  })
  process.on('unhandledRejection', (e) => {
    console.error(e)
  })
}