/* istanbul ignore file */
const chai = require( 'chai' )
const chaiHttp = require( 'chai-http' )
const appRoot = require( 'app-root-path' )
const knex = require( `${appRoot}/db/knex` )
const { init, startHttp } = require( `${appRoot}/app` )

chai.use( chaiHttp )


const unlock = async () => {
  const exists = await knex.schema.hasTable( 'knex_migrations_lock' )
  if ( exists ) {
    await knex( 'knex_migrations_lock' )
      .update( 'is_locked', '0' )
  }
}

const truncateTables = async () => {
  //why is server config only created once!????
  const protectedTables = [ 'server_config' ]
  // const protectedTables = [ 'server_config', 'user_roles', 'scopes', 'server_acl' ]
  const tables = ( 
    await knex( 'pg_tables' )
      .select( 'tablename' )
      .where( { schemaname: 'public' } )
      .whereRaw( 'tablename not like \'%knex%\'' )
      .whereNotIn( 'tablename', protectedTables )
  ).map( table => table.tablename )
  await knex.raw( `truncate table ${tables.join( ',' )} cascade` )
}

const initializeTestServer = async ( app ) => {
  let serverAddress
  let wsAddress
  const { server } = await startHttp( app, 0 )

  app.on( 'appStarted', () => {
    const port = server.address().port
    serverAddress = `http://localhost:${port}`
    wsAddress = `ws://localhost:${port}`
  } )
  while ( !serverAddress ) {
    await new Promise( resolve => setTimeout( resolve, 100 ) )
  }
  return { 
    server,
    serverAddress,
    wsAddress,
    sendRequest( auth, obj ) {
      return chai.request( serverAddress ).post( '/graphql' ).set( 'Authorization', auth ).send( obj )
    }
  }
}

exports.mochaHooks = {
  beforeAll: async () => {
    await unlock()
    await knex.migrate.rollback()
    await knex.migrate.latest()
    console.log( 'running before all' )
  },
  afterAll: async () => {
    await unlock()
    await knex.migrate.rollback()
    console.log( 'running after all' )
  },
}

exports.beforeEachContext = async () => {
  await truncateTables()
  const { app } = await init( )
  return { app }
} 

exports.initializeTestServer = initializeTestServer