=begin
#Marketing Emails

#No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)

The version of the OpenAPI document: v3

Generated by: https://openapi-generator.tech
OpenAPI Generator version: 6.2.1

=end

require 'date'
require 'json'
require 'logger'
require 'tempfile'
require 'time'
require 'typhoeus'

module Hubspot
  module Marketing
    module Emails
      class ApiClient
        # The Configuration object holding settings to be used in the API client.
        attr_accessor :config

        # Defines the headers to be used in HTTP requests of all API calls by default.
        #
        # @return [Hash]
        attr_accessor :default_headers

        # Initializes the ApiClient
        # @option config [Configuration] Configuration for initializing the object, default to Configuration.default
        def initialize(config = Configuration.default)
          @config = config
          @user_agent = "hubspot-api-client-ruby; #{VERSION}"
          @default_headers = {
            'Content-Type' => 'application/json',
            'User-Agent' => @user_agent
          }
        end

        def self.default
          @@default ||= ApiClient.new
        end

        # Call an API with given options.
        #
        # @return [Array<(Object, Integer, Hash)>] an array of 3 elements:
        #   the data deserialized from response body (could be nil), response status code and response headers.
        def call_api(http_method, path, opts = {})
          request = build_request(http_method, path, opts)
          response = request.run

          if @config.debugging
            @config.logger.debug "HTTP response body ~BEGIN~\n#{response.body}\n~END~\n"
          end

          if !response.success? && config.error_handler.any?
            config.error_handler.each do |statuses, opts|
              statuses = statuses.is_a?(Integer) ? [statuses] : statuses

              retries = opts[:max_retries] || 5
              while retries > 0 && statuses.include?(response.code)
                sleep opts[:seconds_delay] if opts[:seconds_delay]
                response = request.run
                opts[:retry_block].call if opts[:retry_block]
                retries -= 1
              end
            end
          end

          unless response.success?
            if response.timed_out?
              fail ApiError.new('Connection timed out')
            elsif response.code == 0
              # Errors from libcurl will be made visible here
              fail ApiError.new(:code => 0,
                                :message => response.return_message)
            else
              fail ApiError.new(:code => response.code,
                                :response_headers => response.headers,
                                :response_body => response.body),
                   response.status_message
            end
          end

          if opts[:return_type]
            data = deserialize(response, opts[:return_type])
          else
            data = nil
          end
          return data, response.code, response.headers
        end

        # Builds the HTTP request
        #
        # @param [String] http_method HTTP method/verb (e.g. POST)
        # @param [String] path URL path (e.g. /account/new)
        # @option opts [Hash] :header_params Header parameters
        # @option opts [Hash] :query_params Query parameters
        # @option opts [Hash] :form_params Query parameters
        # @option opts [Object] :body HTTP body (JSON/XML)
        # @return [Typhoeus::Request] A Typhoeus Request
        def build_request(http_method, path, opts = {})
          url = build_request_url(path, opts)
          http_method = http_method.to_sym.downcase

          header_params = @default_headers.merge(opts[:header_params] || {})
          query_params = opts[:query_params] || {}
          form_params = opts[:form_params] || {}
          follow_location = opts[:follow_location] || true

          update_params_for_auth! header_params, query_params, opts[:auth_names]

          # set ssl_verifyhosts option based on @config.verify_ssl_host (true/false)
          _verify_ssl_host = @config.verify_ssl_host ? 2 : 0

          req_opts = {
            :method => http_method,
            :headers => header_params,
            :params => query_params,
            :params_encoding => @config.params_encoding,
            :timeout => @config.timeout,
            :ssl_verifypeer => @config.verify_ssl,
            :ssl_verifyhost => _verify_ssl_host,
            :sslcert => @config.cert_file,
            :sslkey => @config.key_file,
            :verbose => @config.debugging,
            :followlocation => follow_location
          }

          # set custom cert, if provided
          req_opts[:cainfo] = @config.ssl_ca_cert if @config.ssl_ca_cert

          if [:post, :patch, :put, :delete].include?(http_method)
            req_body = build_request_body(header_params, form_params, opts[:body])
            req_opts.update :body => req_body
            if @config.debugging
              @config.logger.debug "HTTP request body param ~BEGIN~\n#{req_body}\n~END~\n"
            end
          end

          request = Typhoeus::Request.new(url, req_opts)
          download_file(request) if opts[:return_type] == 'File'
          request
        end

        # Builds the HTTP request body
        #
        # @param [Hash] header_params Header parameters
        # @param [Hash] form_params Query parameters
        # @param [Object] body HTTP body (JSON/XML)
        # @return [String] HTTP body data in the form of string
        def build_request_body(header_params, form_params, body)
          # http form
          if header_params['Content-Type'] == 'application/x-www-form-urlencoded' ||
              header_params['Content-Type'] == 'multipart/form-data'
            data = {}
            form_params.each do |key, value|
              case value
              when ::File, ::Array, nil
                # let typhoeus handle File, Array and nil parameters
                data[key] = value
              else
                data[key] = value.to_s
              end
            end
          elsif body
            data = body.is_a?(String) ? body : body.to_json
          else
            data = nil
          end
          data
        end

        # Save response body into a file in (the defined) temporary folder, using the filename
        # from the "Content-Disposition" header if provided, otherwise a random filename.
        # The response body is written to the file in chunks in order to handle files which
        # size is larger than maximum Ruby String or even larger than the maximum memory a Ruby
        # process can use.
        #
        # @see Configuration#temp_folder_path
        def download_file(request)
          tempfile = nil
          encoding = nil
          request.on_headers do |response|
            content_disposition = response.headers['Content-Disposition']
            if content_disposition && content_disposition =~ /filename=/i
              filename = content_disposition[/filename=['"]?([^'"\s]+)['"]?/, 1]
              prefix = sanitize_filename(filename)
            else
              prefix = 'download-'
            end
            prefix = prefix + '-' unless prefix.end_with?('-')
            encoding = response.body.encoding
            tempfile = Tempfile.open(prefix, @config.temp_folder_path, encoding: encoding)
            @tempfile = tempfile
          end
          request.on_body do |chunk|
            chunk.force_encoding(encoding)
            tempfile.write(chunk)
          end
          request.on_complete do |response|
            if tempfile
              tempfile.close
              @config.logger.info "Temp file written to #{tempfile.path}, please copy the file to a proper folder "\
                                  "with e.g. `FileUtils.cp(tempfile.path, '/new/file/path')` otherwise the temp file "\
                                  "will be deleted automatically with GC. It's also recommended to delete the temp file "\
                                  "explicitly with `tempfile.delete`"
            end
          end
        end

        # Check if the given MIME is a JSON MIME.
        # JSON MIME examples:
        #   application/json
        #   application/json; charset=UTF8
        #   APPLICATION/JSON
        #   */*
        # @param [String] mime MIME
        # @return [Boolean] True if the MIME is application/json
        def json_mime?(mime)
          (mime == '*/*') || !(mime =~ /Application\/.*json(?!p)(;.*)?/i).nil?
        end

        # Deserialize the response to the given return type.
        #
        # @param [Response] response HTTP response
        # @param [String] return_type some examples: "User", "Array<User>", "Hash<String, Integer>"
        def deserialize(response, return_type)
          body = response.body

          # handle file downloading - return the File instance processed in request callbacks
          # note that response body is empty when the file is written in chunks in request on_body callback
          return @tempfile if return_type == 'File'

          return nil if body.nil? || body.empty?

          # return response body directly for String return type
          return body if return_type == 'String'

          # ensuring a default content type
          content_type = response.headers['Content-Type'] || 'application/json'

          fail "Content-Type is not supported: #{content_type}" unless json_mime?(content_type)

          begin
            data = JSON.parse("[#{body}]", :symbolize_names => true)[0]
          rescue JSON::ParserError => e
            if %w(String Date Time).include?(return_type)
              data = body
            else
              raise e
            end
          end

          convert_to_type data, return_type
        end

        # Convert data to the given return type.
        # @param [Object] data Data to be converted
        # @param [String] return_type Return type
        # @return [Mixed] Data in a particular type
        def convert_to_type(data, return_type)
          return nil if data.nil?
          case return_type
          when 'String'
            data.to_s
          when 'Integer'
            data.to_i
          when 'Float'
            data.to_f
          when 'Boolean'
            data == true
          when 'Time'
            # parse date time (expecting ISO 8601 format)
            Time.parse data
          when 'Date'
            # parse date time (expecting ISO 8601 format)
            Date.parse data
          when 'Object'
            # generic object (usually a Hash), return directly
            data
          when /\AArray<(.+)>\z/
            # e.g. Array<Pet>
            sub_type = $1
            data.map { |item| convert_to_type(item, sub_type) }
          when /\AHash\<String, (.+)\>\z/
            # e.g. Hash<String, Integer>
            sub_type = $1
            {}.tap do |hash|
              data.each { |k, v| hash[k] = convert_to_type(v, sub_type) }
            end
          else
            # models (e.g. Pet) or oneOf
            klass = Hubspot::Marketing::Emails.const_get(return_type)
            klass.respond_to?(:openapi_one_of) ? klass.build(data) : klass.build_from_hash(data)
          end
        end

        # Sanitize filename by removing path.
        # e.g. ../../sun.gif becomes sun.gif
        #
        # @param [String] filename the filename to be sanitized
        # @return [String] the sanitized filename
        def sanitize_filename(filename)
          filename.gsub(/.*[\/\\]/, '')
        end

        def build_request_url(path, opts = {})
          # Add leading and trailing slashes to path
          path = "/#{path}".gsub(/\/+/, '/')
          @config.base_url(opts[:operation]) + path
        end

        # Update header and query params based on authentication settings.
        #
        # @param [Hash] header_params Header parameters
        # @param [Hash] query_params Query parameters
        # @param [String] auth_names Authentication scheme name
        def update_params_for_auth!(header_params, query_params, auth_names)
          Array(auth_names).each do |auth_name|
            auth_setting = @config.auth_settings[auth_name]
            next unless auth_setting
            case auth_setting[:in]
            when 'header' then header_params[auth_setting[:key]] = auth_setting[:value]
            when 'query'  then query_params[auth_setting[:key]] = auth_setting[:value]
            else fail ArgumentError, 'Authentication token must be in `query` or `header`'
            end
          end
        end

        # Sets user agent in HTTP header
        #
        # @param [String] user_agent User agent (e.g. openapi-generator/ruby/1.0.0)
        def user_agent=(user_agent)
          @user_agent = user_agent
          @default_headers['User-Agent'] = @user_agent
        end

        # Return Accept header based on an array of accepts provided.
        # @param [Array] accepts array for Accept
        # @return [String] the Accept header (e.g. application/json)
        def select_header_accept(accepts)
          return nil if accepts.nil? || accepts.empty?
          # use JSON when present, otherwise use all of the provided
          json_accept = accepts.find { |s| json_mime?(s) }
          json_accept || accepts.join(',')
        end

        # Return Content-Type header based on an array of content types provided.
        # @param [Array] content_types array for Content-Type
        # @return [String] the Content-Type header  (e.g. application/json)
        def select_header_content_type(content_types)
          # return nil by default
          return if content_types.nil? || content_types.empty?
          # use JSON when present, otherwise use the first one
          json_content_type = content_types.find { |s| json_mime?(s) }
          json_content_type || content_types.first
        end

        # Convert object (array, hash, object, etc) to JSON string.
        # @param [Object] model object to be converted into JSON string
        # @return [String] JSON string representation of the object
        def object_to_http_body(model)
          return model if model.nil? || model.is_a?(String)
          local_body = nil
          if model.is_a?(Array)
            local_body = model.map { |m| object_to_hash(m) }
          else
            local_body = object_to_hash(model)
          end
          local_body.to_json
        end

        # Convert object(non-array) to hash.
        # @param [Object] obj object to be converted into JSON string
        # @return [String] JSON string representation of the object
        def object_to_hash(obj)
          if obj.respond_to?(:to_hash)
            obj.to_hash
          else
            obj
          end
        end

        # Build parameter value according to the given collection format.
        # @param [String] collection_format one of :csv, :ssv, :tsv, :pipes and :multi
        def build_collection_param(param, collection_format)
          case collection_format
          when :csv
            param.join(',')
          when :ssv
            param.join(' ')
          when :tsv
            param.join("\t")
          when :pipes
            param.join('|')
          when :multi
            # return the array directly as typhoeus will handle it as expected
            param
          else
            fail "unknown collection format: #{collection_format.inspect}"
          end
        end
      end
    end
  end
end
