// Copyright IBM Corp. 2017,2018. All Rights Reserved.
// Node module: openapi-to-graphql
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT

'use strict'

/* globals beforeAll, test, expect */

import { graphql } from 'graphql'

import * as openAPIToGraphQL from '../lib/index'
import { startServer, stopServer } from './example_api5_server'

const oas = require('./fixtures/example_oas5.json')
const PORT = 3007
// Update PORT for this test case:
oas.servers[0].variables.port.default = String(PORT)

let createdSchema

/**
 * Set up the schema first and run example API server
 */
beforeAll(() => {
  return Promise.all([
    openAPIToGraphQL
      .createGraphQLSchema(oas, {
        simpleNames: true
      })
      .then(({ schema, report }) => {
        createdSchema = schema
      }),
    startServer(PORT)
  ])
})

/**
 * Shut down API server
 */
afterAll(() => {
  return stopServer()
})

// Testing the simpleNames option

/**
 * Because of the simpleNames option, 'o_d_d___n_a_m_e' will not be turned into
 * 'oDDNAME'.
 */
test('Basic simpleNames option test', () => {
  const query = `{
    o_d_d___n_a_m_e {
      data
    }
  }`

  return graphql(createdSchema, query).then(result => {
    expect(result).toEqual({
      data: {
        o_d_d___n_a_m_e: {
          data: 'odd name'
        }
      }
    })
  })
})

/**
 * 'w-e-i-r-d___n-a-m-e' contains GraphQL unsafe characters.
 *
 * Because of the simpleNames option, 'w-e-i-r-d___n-a-m-e' will be turned into
 * 'weird___name' and not 'wEIRDNAME'.
 */
test('Basic simpleNames option test with GraphQL unsafe values', () => {
  const query = `{
    weird___name {
      data
    }
  }`

  return graphql(createdSchema, query).then(result => {
    expect(result).toEqual({
      data: {
        weird___name: {
          data: 'weird name'
        }
      }
    })
  })
})

/**
 * 'w-e-i-r-d___n-a-m-e2' contains GraphQL unsafe characters.
 *
 * Because of the simpleNames option, 'w-e-i-r-d___n-a-m-e2' will be turned into
 * 'weird___name2' and not 'wEIRDNAME2'.
 */
test('Basic simpleNames option test with GraphQL unsafe values and a parameter', () => {
  const query = `{
    weird___name2 (funky___parameter: "Arnold") {
      data
    }
  }`

  return graphql(createdSchema, query).then(result => {
    expect(result).toEqual({
      data: {
        weird___name2: {
          data: 'weird name 2 param: Arnold'
        }
      }
    })
  })
})

/**
 * Because of the simpleNames option, 'w-e-i-r-d___n-a-m-e___l-i-n-k' will be
 * turned into 'weird___name___link' and not 'wEIRDNAMELINK'.
 */
test('Basic simpleNames option test with a link', () => {
  const query = `{
    o_d_d___n_a_m_e {
      weird___name___link {
        data
      }
    }
  }`

  return graphql(createdSchema, query).then(result => {
    expect(result).toEqual({
      data: {
        o_d_d___n_a_m_e: {
          weird___name___link: {
            data: 'weird name'
          }
        }
      }
    })
  })
})

/**
 * Because of the simpleNames option, 'w-e-i-r-d___n-a-m-e2___l-i-n-k' will be
 * turned into 'weird___name2___link' and not 'wEIRDNAME2LINK'.
 */
test('Basic simpleNames option test with a link that has parameters', () => {
  const query = `{
    o_d_d___n_a_m_e {
      weird___name2___link {
        data
      }
    }
  }`

  return graphql(createdSchema, query).then(result => {
    expect(result).toEqual({
      data: {
        o_d_d___n_a_m_e: {
          weird___name2___link: {
            data: 'weird name 2 param: Charles'
          }
        }
      }
    })
  })
})

/**
 * Because of the simpleNames option, 'w-e-i-r-d___n-a-m-e3___l-i-n-k' will be
 * turned into 'weird___name3___link3' and not 'wEIRDNAME3LINK'.
 */
test('Basic simpleNames option test with a link that has exposed parameters', () => {
  const query = `{
    o_d_d___n_a_m_e {
      weird___name3___link (funky___parameter: "Brittany") {
        data
      }
    }
  }`

  return graphql(createdSchema, query).then(result => {
    expect(result).toEqual({
      data: {
        o_d_d___n_a_m_e: {
          weird___name3___link: {
            data: 'weird name 3 param: Brittany'
          }
        }
      }
    })
  })
})