=begin
{{> api_info}}
=end

require 'date'
require 'json'
require 'logger'
require 'tempfile'
require 'time'
{{#isTyphoeus}}
require 'typhoeus'
{{/isTyphoeus}}
{{#isFaraday}}
require 'faraday'
require 'faraday/multipart' if Gem::Version.new(Faraday::VERSION) >= Gem::Version.new('2.0')
require 'marcel'
{{/isFaraday}}
{{#isHttpx}}
require 'httpx'
require 'net/http/status'
{{/isHttpx}}

module Dropbox
end

module {{moduleName}}
  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 = "{{{httpUserAgent}}}{{^httpUserAgent}}OpenAPI-Generator/#{VERSION}/ruby{{/httpUserAgent}}"
      @default_headers = {
        'Content-Type' => 'application/json',
        'User-Agent' => @user_agent
      }
    end

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

{{#isTyphoeus}}
{{> api_client_typhoeus_partial}}
{{/isTyphoeus}}
{{#isFaraday}}
{{> api_client_faraday_partial}}
{{/isFaraday}}
{{#isHttpx}}
{{> api_client_httpx_partial}}
{{/isHttpx}}
    # 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
      return nil if body.nil? || body.empty?

      # return response body directly for String return type
      return body.to_s 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)
        klass = {{moduleName}}.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.split(/[\/\\]/).last
    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

    def generate_form_data(obj, openapi_types)
      params = {}
      has_file = false

      openapi_types.each do |field, type|
        if !obj.respond_to? field
          next
        end

        data = obj.public_send(field)
        if !data.nil? && ['Array<File>', 'File'].include?(type.to_s)
          params[field] = data
          has_file = true
        elsif !data.nil?
          params[field] = object_to_http_body(data)
        end
      end

      {
        :has_file => has_file,
        :params   => params,
      }
    end
  end
end