module Souls
  module Generate
    ## Generate Rspec Resolver
    def self.rspec_resolver_head(class_name: "souls")
      file_path = "./spec/resolvers/#{class_name.singularize}_search_spec.rb"
      File.open(file_path, "w") do |f|
        f.write(<<~TEXT)
          RSpec.describe \"#{class_name.camelize}Search Resolver テスト\" do
            describe "削除フラグ false の #{class_name.camelize} を返却する" do
        TEXT
      end
    end

    def self.rspec_resolver_after_head(class_name: "souls")
      file_path = "./spec/resolvers/#{class_name.singularize}_search_spec.rb"
      path = "./db/schema.rb"
      @on = false
      @user_exist = false
      @relation_params = []
      File.open(file_path, "a") do |new_line|
        File.open(path, "r") do |f|
          f.each_line.with_index do |line, _i|
            if @on
              if line.include?("end") || line.include?("t.index")
                if @relation_params.empty?
                  new_line.write(<<-TEXT)
  let!(:#{class_name}) { FactoryBot.create(:#{class_name}) }

  let(:query) do
    %(query {
      #{class_name.singularize.camelize(:lower)}Search(filter: {
        isDeleted: false
    }) {
        edges {
          cursor
          node {
            id
                  TEXT
                else
                  new_line.write(<<-TEXT)
  let!(:#{class_name}) { FactoryBot.create(:#{class_name}, #{@relation_params.join(', ')}) }

  let(:query) do
    %(query {
      #{class_name.singularize.camelize(:lower)}Search(filter: {
        isDeleted: false
    }) {
        edges {
          cursor
          node {
            id
                  TEXT
                end
                break
              end
              _, name = line.split(",")[0].gsub("\"", "").scan(/((?<=t\.).+(?=\s)) (.+)/)[0]
              case name
              when /$*_id\z/
                relation_col = name.gsub("_id", "")
                @relation_params << "#{name}: #{relation_col}.id"
                new_line.write("    let(:#{relation_col}) { FactoryBot.create(:#{relation_col}) }\n")
              end
            end
            @on = true if table_check(line: line, class_name: class_name)
          end
        end
      end
    end

    def self.rspec_resolver_params(class_name: "souls")
      file_path = "./spec/resolvers/#{class_name.singularize}_search_spec.rb"
      path = "./db/schema.rb"
      @on = false
      File.open(file_path, "a") do |new_line|
        File.open(path, "r") do |f|
          f.each_line.with_index do |line, _i|
            if @on
              if line.include?("end") || line.include?("t.index")
                new_line.write(<<-TEXT)
            }
          }
          nodes {
            id
          }
          pageInfo {
            endCursor
            hasNextPage
            startCursor
            hasPreviousPage
          }
        }
      }
    )
  end

  subject(:result) do
    SoulsApiSchema.execute(query).as_json
  end

  it "return #{class_name.camelize} Data" do
    begin
      a1 = result.dig("data", "#{class_name.singularize.camelize(:lower)}Search", "edges")[0]["node"]
      raise unless a1.present?
    rescue
      raise StandardError, result
    end
    expect(a1).to include(
      "id" => be_a(String),
                TEXT
                break
              end
              _, name = line.split(",")[0].gsub("\"", "").scan(/((?<=t\.).+(?=\s)) (.+)/)[0]
              case name
              when "user_id", "created_at", "updated_at", /$*_id\z/
                next
              else
                new_line.write("              #{name.camelize(:lower)}\n")
              end
            end
            @on = true if table_check(line: line, class_name: class_name)
          end
        end
      end
    end

    def self.rspec_resolver_end(class_name: "souls")
      file_path = "./spec/resolvers/#{class_name.singularize}_search_spec.rb"
      path = "./db/schema.rb"
      @on = false
      File.open(file_path, "a") do |new_line|
        File.open(path, "r") do |f|
          f.each_line.with_index do |line, _i|
            if @on
              if line.include?("end") || line.include?("t.index")
                new_line.write(<<~TEXT)
                        )
                      end
                    end
                  end
                TEXT
                break
              end
              type, name = line.split(",")[0].gsub("\"", "").scan(/((?<=t\.).+(?=\s)) (.+)/)[0]
              field ||= type_check(type)
              array_true = line.include?("array: true")
              case name
              when "user_id", "created_at", "updated_at", /$*_id\z/
                next
              else
                case type
                when "text", "date", "datetime"
                  if array_true
                    new_line.write("        \"#{name.camelize(:lower)}\" => be_all(String),\n")
                  else
                    new_line.write("        \"#{name.camelize(:lower)}\" => be_a(String),\n")
                  end
                when "boolean"
                  new_line.write("        \"#{name.singularize.camelize(:lower)}\" => be_in([true, false]),\n")
                when "string", "bigint", "integer", "float"
                  new_line.write("        \"#{name.singularize.camelize(:lower)}\" => be_a(#{field}),\n")
                end
              end
            end
            @on = true if table_check(line: line, class_name: class_name)
          end
        end
      end
      file_path
    end

    def self.rspec_resolver(class_name: "souls")
      singularized_class_name = class_name.singularize
      file_path = "#{Dir.pwd}/spec/resolvers/#{singularized_class_name}_search_spec.rb"
      return "Resolver already exist! #{file_path}" if File.exist?(file_path)

      rspec_resolver_head(class_name: singularized_class_name)
      rspec_resolver_after_head(class_name: singularized_class_name)
      rspec_resolver_params(class_name: singularized_class_name)
      rspec_resolver_end(class_name: singularized_class_name)
      puts(Paint % ["Created file! : %{white_text}", :green, { white_text: [file_path.to_s, :white] }])
      file_path
    rescue StandardError => e
      raise(StandardError, e)
    end
  end
end