const Path = require('path')

module.exports = {
  // Options are passed to Sequelize.
  // See http://sequelizejs.com/documentation#usage-options for details
  mysql: {
    clsi: {
      database: 'clsi',
      username: 'clsi',
      dialect: 'sqlite',
      storage:
        process.env.SQLITE_PATH || Path.resolve(__dirname + '/../db/db.sqlite'),
      pool: {
        max: 1,
        min: 1
      },
      retry: {
        max: 10
      }
    }
  },

  compileSizeLimit: process.env.COMPILE_SIZE_LIMIT || '7mb',

  processLifespanLimitMs:
    parseInt(process.env.PROCESS_LIFE_SPAN_LIMIT_MS) || 60 * 60 * 24 * 1000 * 2,

  path: {
    compilesDir: Path.resolve(__dirname + '/../compiles'),
    clsiCacheDir: Path.resolve(__dirname + '/../cache'),
    synctexBaseDir(project_id) {
      return Path.join(this.compilesDir, project_id)
    }
  },

  internal: {
    clsi: {
      port: 3013,
      host: process.env.LISTEN_ADDRESS || 'localhost'
    },

    load_balancer_agent: {
      report_load: true,
      load_port: 3048,
      local_port: 3049
    }
  },
  apis: {
    clsi: {
      url: `http://${process.env.CLSI_HOST || 'localhost'}:3013`
    }
  },

  smokeTest: process.env.SMOKE_TEST || false,
  project_cache_length_ms: 1000 * 60 * 60 * 24,
  parallelFileDownloads: process.env.FILESTORE_PARALLEL_FILE_DOWNLOADS || 1,
  parallelSqlQueryLimit: process.env.FILESTORE_PARALLEL_SQL_QUERY_LIMIT || 1,
  filestoreDomainOveride: process.env.FILESTORE_DOMAIN_OVERRIDE,
  texliveImageNameOveride: process.env.TEX_LIVE_IMAGE_NAME_OVERRIDE,
  sentry: {
    dsn: process.env.SENTRY_DSN
  }
}

if (process.env.DOCKER_RUNNER) {
  let seccomp_profile_path
  module.exports.clsi = {
    dockerRunner: process.env.DOCKER_RUNNER === 'true',
    docker: {
      runtime: process.env.DOCKER_RUNTIME,
      image:
        process.env.TEXLIVE_IMAGE || 'quay.io/sharelatex/texlive-full:2017.1',
      env: {
        HOME: '/tmp'
      },
      socketPath: '/var/run/docker.sock',
      user: process.env.TEXLIVE_IMAGE_USER || 'tex'
    },
    expireProjectAfterIdleMs: 24 * 60 * 60 * 1000,
    checkProjectsIntervalMs: 10 * 60 * 1000
  }

  try {
    seccomp_profile_path = Path.resolve(
      __dirname + '/../seccomp/clsi-profile.json'
    )
    module.exports.clsi.docker.seccomp_profile = JSON.stringify(
      JSON.parse(require('fs').readFileSync(seccomp_profile_path))
    )
  } catch (error) {
    console.log(
      error,
      `could not load seccom profile from ${seccomp_profile_path}`
    )
  }

  module.exports.path.synctexBaseDir = () => '/compile'

  module.exports.path.sandboxedCompilesHostDir = process.env.COMPILES_HOST_DIR

  module.exports.path.synctexBinHostPath = process.env.SYNCTEX_BIN_HOST_PATH
}