/*
 * Licensed to Elasticsearch B.V. under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch B.V. licenses this file to you under
 * the Apache 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
 *
 *    http://www.apache.org/licenses/LICENSE-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.
 */

'use strict'

/* eslint camelcase: 0 */
/* eslint no-unused-vars: 0 */

const { handleError, snakeCaseKeys, normalizeArguments, kConfigurationError } = require('../utils')
const acceptedQuerystring = ['pretty', 'human', 'error_trace', 'source', 'filter_path', 'delimiter', 'format', 'keep_alive', 'wait_for_completion_timeout']
const snakeCase = { errorTrace: 'error_trace', filterPath: 'filter_path', keepAlive: 'keep_alive', waitForCompletionTimeout: 'wait_for_completion_timeout' }

function SqlApi (transport, ConfigurationError) {
  this.transport = transport
  this[kConfigurationError] = ConfigurationError
}

SqlApi.prototype.clearCursor = function sqlClearCursorApi (params, options, callback) {
  ;[params, options, callback] = normalizeArguments(params, options, callback)

  // check required parameters
  if (params.body == null) {
    const err = new this[kConfigurationError]('Missing required parameter: body')
    return handleError(err, callback)
  }

  let { method, body, ...querystring } = params
  querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring)

  let path = ''
  if (method == null) method = 'POST'
  path = '/' + '_sql' + '/' + 'close'

  // build request object
  const request = {
    method,
    path,
    body: body || '',
    querystring
  }

  return this.transport.request(request, options, callback)
}

SqlApi.prototype.deleteAsync = function sqlDeleteAsyncApi (params, options, callback) {
  ;[params, options, callback] = normalizeArguments(params, options, callback)

  // check required parameters
  if (params.id == null) {
    const err = new this[kConfigurationError]('Missing required parameter: id')
    return handleError(err, callback)
  }

  let { method, body, id, ...querystring } = params
  querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring)

  let path = ''
  if (method == null) method = 'DELETE'
  path = '/' + '_sql' + '/' + 'async' + '/' + 'delete' + '/' + encodeURIComponent(id)

  // build request object
  const request = {
    method,
    path,
    body: body || '',
    querystring
  }

  return this.transport.request(request, options, callback)
}

SqlApi.prototype.getAsync = function sqlGetAsyncApi (params, options, callback) {
  ;[params, options, callback] = normalizeArguments(params, options, callback)

  // check required parameters
  if (params.id == null) {
    const err = new this[kConfigurationError]('Missing required parameter: id')
    return handleError(err, callback)
  }

  let { method, body, id, ...querystring } = params
  querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring)

  let path = ''
  if (method == null) method = 'GET'
  path = '/' + '_sql' + '/' + 'async' + '/' + encodeURIComponent(id)

  // build request object
  const request = {
    method,
    path,
    body: null,
    querystring
  }

  return this.transport.request(request, options, callback)
}

SqlApi.prototype.getAsyncStatus = function sqlGetAsyncStatusApi (params, options, callback) {
  ;[params, options, callback] = normalizeArguments(params, options, callback)

  // check required parameters
  if (params.id == null) {
    const err = new this[kConfigurationError]('Missing required parameter: id')
    return handleError(err, callback)
  }

  let { method, body, id, ...querystring } = params
  querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring)

  let path = ''
  if (method == null) method = 'GET'
  path = '/' + '_sql' + '/' + 'async' + '/' + 'status' + '/' + encodeURIComponent(id)

  // build request object
  const request = {
    method,
    path,
    body: null,
    querystring
  }

  return this.transport.request(request, options, callback)
}

SqlApi.prototype.query = function sqlQueryApi (params, options, callback) {
  ;[params, options, callback] = normalizeArguments(params, options, callback)

  // check required parameters
  if (params.body == null) {
    const err = new this[kConfigurationError]('Missing required parameter: body')
    return handleError(err, callback)
  }

  let { method, body, ...querystring } = params
  querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring)

  let path = ''
  if (method == null) method = body == null ? 'GET' : 'POST'
  path = '/' + '_sql'

  // build request object
  const request = {
    method,
    path,
    body: body || '',
    querystring
  }

  return this.transport.request(request, options, callback)
}

SqlApi.prototype.translate = function sqlTranslateApi (params, options, callback) {
  ;[params, options, callback] = normalizeArguments(params, options, callback)

  // check required parameters
  if (params.body == null) {
    const err = new this[kConfigurationError]('Missing required parameter: body')
    return handleError(err, callback)
  }

  let { method, body, ...querystring } = params
  querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring)

  let path = ''
  if (method == null) method = body == null ? 'GET' : 'POST'
  path = '/' + '_sql' + '/' + 'translate'

  // build request object
  const request = {
    method,
    path,
    body: body || '',
    querystring
  }

  return this.transport.request(request, options, callback)
}

Object.defineProperties(SqlApi.prototype, {
  clear_cursor: { get () { return this.clearCursor } },
  delete_async: { get () { return this.deleteAsync } },
  get_async: { get () { return this.getAsync } },
  get_async_status: { get () { return this.getAsyncStatus } }
})

module.exports = SqlApi
