# frozen_string_literal: true

require "json"

RSpec.describe "hanami server", type: :integration do
  context "without routes" do
    it "shows welcome page" do
      with_project do
        server do
          visit "/"

          expect(page).to have_title("Hanami | The web, with simplicity")

          expect(page).to have_content("The web, with simplicity.")
          expect(page).to have_content("Hanami is Open Source Software for MVC web development with Ruby.")
          expect(page).to have_content("bundle exec hanami generate action web 'home#index' --url=/")
        end
      end
    end

    it "shows welcome page for generated app" do
      with_project do
        generate "app admin"

        server do
          visit "/admin"

          expect(page).to have_content("bundle exec hanami generate action admin 'home#index' --url=/")
        end
      end
    end
  end

  context "with routes" do
    it "serves action" do
      with_project do
        server do
          generate "action web home#index --url=/"

          visit "/"
          expect(page).to have_title("Web")
        end
      end
    end

    it "serves static asset" do
      with_project do
        server do
          write "apps/web/assets/javascripts/app.js", <<~EOF
            console.log('test');
          EOF
          visit "/assets/app.js"
          expect(page).to have_content("console.log('test');")
        end
      end
    end

    it "serves contents from database" do
      with_project do
        setup_model
        console do |input, _, _|
          input.puts("BookRepository.new.create(title: 'Learn Hanami')")
          input.puts("exit")
        end

        generate "action web books#show --url=/books/:id"
        rewrite  "apps/web/controllers/books/show.rb", <<~EOF
          module Web::Controllers::Books
            class Show
              include Web::Action
              expose :book

              def call(params)
                @book = BookRepository.new.find(params[:id]) or halt(404)
              end
            end
          end
        EOF
        rewrite "apps/web/templates/books/show.html.erb", <<~EOF
          <h1><%= book.title %></h1>
        EOF

        server do
          visit "/books/1"
          expect(page).to have_content("Learn Hanami")
        end
      end
    end
  end

  context "logging" do
    let(:log)     { "log/development.log" }
    let(:project) { "bookshelf" }

    context "when enabled" do
      it "logs GET requests" do
        with_project(project) do
          touch log
          replace "config/environment.rb", "logger level: :debug", %(logger level: :debug, stream: "#{log}")

          server do
            visit "/"
            expect(page).to have_title("Hanami | The web, with simplicity")
          end

          content = contents(log)
          expect(content).to include("[#{project}] [INFO]")
          expect(content).to match(%r{HTTP/1.1 GET 200 (.*) /})
        end
      end

      it "logs GET requests with query string" do
        with_project(project) do
          touch log
          replace "config/environment.rb", "logger level: :debug", %(logger level: :debug, stream: "#{log}")

          run_cmd "hanami generate action web home#index --url=/", []

          server do
            visit "/?ping=pong"
            expect(page).to have_title("Web")
          end

          content = contents(log)
          expect(content).to include("[#{project}] [INFO]")
          expect(content).to match(%({"ping"=>"pong"}))
        end
      end

      it "logs non-GET requests with payload" do
        with_project(project) do
          touch log
          replace "config/environment.rb", "logger level: :debug", %(logger level: :debug, stream: "#{log}")

          run_cmd "hanami generate action web books#create --method=POST", []

          server do
            post "/books", book: { title: "Functions" }
          end

          content = contents(log)
          expect(content).to include("[#{project}] [INFO]")
          expect(content).to match(%({"book"=>{"title"=>"Functions"}}))
        end
      end

      it "logs non-GET requests from body parsers" do
        with_project(project) do
          touch log
          replace "config/environment.rb", "logger level: :debug", %(logger level: :debug, stream: "#{log}")
          inject_line_after "config/environment.rb", "Hanami.configure", "require 'hanami/middleware/body_parser'\nmiddleware.use Hanami::Middleware::BodyParser, :json"

          run_cmd "hanami generate action web books#create --method=POST", []
          inject_line_after "apps/web/controllers/books/create.rb", "call", 'Hanami.logger.debug(request.env["CONTENT_TYPE"]);self.body = %({"status":"OK"})'

          server do
            post "/books", book: { title: "Why we sleep" }
            post "/books", JSON.generate(book: { title: "Parsers" }), "CONTENT_TYPE" => "app/json", "HTTP_ACCEPT" => "app/json"
            post "/books", JSON.generate(%w[this is cool]), "CONTENT_TYPE" => "app/json", "HTTP_ACCEPT" => "app/json"
          end

          content = contents(log)
          expect(content).to include("[#{project}] [INFO]")
          expect(content).to include("POST 200")

          expect(content).to include("app/x-www-form-urlencoded")
          expect(content).to include(%({"book"=>{"title"=>"Why we sleep"}}))

          expect(content).to include("app/json")
          expect(content).to include(%({"book"=>{"title"=>"Parsers"}}))
          expect(content).to include(%({"_"=>["this", "is", "cool"]}))
        end
      end
    end

    context "when not enabled" do
      it "does not log request" do
        with_project(project) do
          replace "config/environment.rb", "logger level: :debug", ""

          server do
            visit "/"
          end

          expect(log).to_not be_an_existing_file
        end
      end
    end
  end

  context "--host" do
    it "starts on given host" do
      with_project do
        server(host: "127.0.0.1") do
          visit "/"

          expect(page).to have_title("Hanami | The web, with simplicity")
        end
      end
    end

    xit "fails when missing" do
      with_project do
        server(host: nil)

        expect(exitstatus).to eq(1)
      end
    end
  end

  context "--port" do
    it "starts on given port" do
      with_project do
        server(port: 1982) do
          visit "/"

          expect(page).to have_title("Hanami | The web, with simplicity")
        end
      end
    end

    xit "fails when missing" do
      with_project do
        server(port: nil)

        expect(exitstatus).to eq(1)
      end
    end
  end

  context "environment" do
    it "starts with given environment" do
      with_project do
        generate "action web home#index --url=/"

        rewrite "apps/web/controllers/home/index.rb", <<~EOF
          module Web::Controllers::Home
            class Index
              include Web::Action

              def call(params)
                self.body = Hanami.env
              end
            end
          end
        EOF

        RSpec::Support::Env["HANAMI_ENV"]   = env = "production"
        RSpec::Support::Env["DATABASE_URL"] = "sqlite://#{Pathname.new('db').join('bookshelf.sqlite')}"
        RSpec::Support::Env["SMTP_HOST"]    = "localhost"
        RSpec::Support::Env["SMTP_PORT"]    = "25"

        server do
          visit "/"

          expect(page).to have_content(env)
        end
      end
    end

    xit "fails when missing" do
      with_project do
        server(environment: nil)

        expect(exitstatus).to eq(1)
      end
    end
  end

  context "puma" do
    it "starts" do
      with_project("bookshelf_server_puma", server: :puma) do
        server do
          visit "/"

          expect(page).to have_title("Hanami | The web, with simplicity")
        end
      end
    end
  end

  context "unicorn" do
    it "starts" do
      with_project("bookshelf_server_unicorn", server: :unicorn) do
        server do
          visit "/"

          expect(page).to have_title("Hanami | The web, with simplicity")
        end
      end
    end
  end

  context "code reloading" do
    it "reloads templates code" do
      with_project do
        server do
          visit "/"

          expect(page).to have_title("Hanami | The web, with simplicity")
          generate "action web home#index --url=/"

          rewrite "apps/web/templates/home/index.html.erb", <<~EOF
            <h1>Hello, World!</h1>
          EOF

          visit "/"
          expect(page).to have_title("Web")
          expect(page).to have_content("Hello, World!")
        end
      end
    end

    it "reloads view" do
      with_project do
        server do
          visit "/"

          expect(page).to have_title("Hanami | The web, with simplicity")
          generate "action web home#index --url=/"

          rewrite "apps/web/views/home/index.rb", <<~EOF
            module Web::Views::Home
              class Index
                include Web::View

                def greeting
                  "Ciao!"
                end
              end
            end
          EOF

          rewrite "apps/web/templates/home/index.html.erb", <<~EOF
            <%= greeting %>
          EOF

          visit "/"
          expect(page).to have_title("Web")
          expect(page).to have_content("Ciao!")
        end
      end
    end

    it "reloads action" do
      with_project do
        server do
          visit "/"

          expect(page).to have_title("Hanami | The web, with simplicity")
          generate "action web home#index --url=/"

          rewrite "apps/web/controllers/home/index.rb", <<~EOF
            module Web::Controllers::Home
              class Index
                include Web::Action

                def call(params)
                  self.body = "Hi!"
                end
              end
            end
          EOF

          visit "/"
          expect(page).to have_content("Hi!")
        end
      end
    end

    it "reloads model" do
      project_name = "bookshelf"

      with_project(project_name) do
        # STEP 1: prepare the database and the repository
        generate_model "user"
        generate_migration "create_users", <<~EOF
          Hanami::Model.migration do
            change do
              create_table :users do
                primary_key :id
                column :name, String
              end

              execute "INSERT INTO users (name) VALUES('L')"
              execute "INSERT INTO users (name) VALUES('MG')"
            end
          end
        EOF

        rewrite "lib/#{project_name}/repositories/user_repository.rb", <<~EOF
          class UserRepository < Hanami::Repository
            def listing
              all
            end
          end
        EOF

        hanami "db prepare"

        # STEP 2: generate the action
        generate "action web users#index --url=/users"

        rewrite "apps/web/controllers/users/index.rb", <<~EOF
          module Web::Controllers::Users
            class Index
              include Web::Action

              def call(params)
                self.body = UserRepository.new.listing.map(&:name).join(", ")
              end
            end
          end
        EOF

        server do
          # STEP 3: visit the page
          visit "/users"

          expect(page).to have_content("L, MG")

          # STEP 4: change the repository, then visit the page again
          rewrite "lib/#{project_name}/repositories/user_repository.rb", <<~EOF
            class UserRepository < Hanami::Repository
              def listing
                all.reverse
              end
            end
          EOF
          visit "/users"

          expect(page).to have_content("MG, L")
        end
      end
    end

    xit "reloads asset" do
      with_project do
        server do
          write "apps/web/assets/stylesheets/style.css", <<~EOF
            body { background-color: #fff; }
          EOF

          visit "/assets/style.css"
          expect(page).to have_content("#fff")

          rewrite "apps/web/assets/stylesheets/style.css", <<~EOF
            body { background-color: #333; }
          EOF

          visit "/assets/style.css"
          expect(page).to have_content("#333")
        end
      end
    end
  end

  context "without code reloading" do
    it "doesn't reload code" do
      with_project do
        server("no-code-reloading" => nil) do
          visit "/"

          expect(page).to have_title("Hanami | The web, with simplicity")
          generate "action web home#index --url=/"

          visit "/"
          expect(page).to have_title("Hanami | The web, with simplicity")
        end
      end
    end
  end

  context "without hanami model" do
    it "uses custom model domain" do
      project_without_hanami_model("bookshelf", gems: ["dry-struct"]) do
        write "lib/entities/access_token.rb", <<~EOF
          require 'dry-struct'
          require 'securerandom'

          module Types
            include Dry::Types.module
          end

          class AccessToken < Dry::Struct
            attribute :id,     Types::String.default { SecureRandom.uuid }
            attribute :secret, Types::String
            attribute :digest, Types::String
          end
        EOF
        generate "action web access_tokens#show --url=/access_tokens/:id"
        rewrite  "apps/web/controllers/access_tokens/show.rb", <<~EOF
          module Web::Controllers::AccessTokens
            class Show
              include Web::Action
              expose :access_token

              def call(params)
                @access_token = AccessToken.new(id: '1', secret: 'shh', digest: 'abc')
              end
            end
          end
        EOF
        rewrite "apps/web/templates/access_tokens/show.html.erb", <<~EOF
          <h1><%= access_token.secret %></h1>
        EOF

        server do
          visit "/access_tokens/1"
          visit "/access_tokens/1" # forces code reloading
          expect(page).to have_content("shh")
        end
      end
    end
  end

  context "without mailer" do
    it "returns page" do
      with_project do
        remove_block "config/environment.rb", "mailer do"

        server do
          visit "/"
          expect(page).to have_title("Hanami | The web, with simplicity")
        end
      end
    end
  end

  it "prints help message" do
    with_project do
      output = <<-OUT
Command:
  hanami server

Usage:
  hanami server

Description:
  Start Hanami server (only for development)

Options:
  --server=VALUE                    # Force a server engine (eg, webrick, puma, thin, etc..)
  --host=VALUE                      # The host address to bind to
  --port=VALUE, -p VALUE            # The port to run the server on
  --debug=VALUE                     # Turn on debug output
  --warn=VALUE                      # Turn on warnings
  --daemonize=VALUE                 # Daemonize the server
  --pid=VALUE                       # Path to write a pid file after daemonize
  --[no-]code-reloading             # Code reloading, default: true
  --help, -h                        # Print this help

Examples:
  hanami server                     # Basic usage (it uses the bundled server engine)
  hanami server --server=webrick    # Force `webrick` server engine
  hanami server --host=0.0.0.0      # Bind to a host
  hanami server --port=2306         # Bind to a port
  hanami server --no-code-reloading # Disable code reloading
OUT

      run_cmd 'hanami server --help', output
    end
  end

  context "with HANAMI_APPS ENV variable" do
    it "loads only specific app" do
      with_project do
        generate "app admin"

        remove_line "config/environment.rb", "require_relative '../apps/admin/app'"
        remove_line "config/environment.rb", "mount Admin::App"

        remove_line "config/environment.rb", "require_relative '../apps/web/app'"
        remove_line "config/environment.rb", "mount Web::App"

        inject_line_after "config/environment.rb", "Hanami.configure", <<-EOL
  if Hanami.app?(:admin)
    require_relative '../apps/admin/app'
    mount Admin::App, at: '/admin'
  end

  if Hanami.app?(:web)
    require_relative '../apps/web/app'
    mount Web::App, at: '/'
  end
        EOL
        generate "action web home#index --url=/"

        rewrite "apps/web/controllers/home/index.rb", <<~EOF
          module Web::Controllers::Home
            class Index
              include Web::Action

              def call(params)
                self.body = "app: web"
              end
            end
          end
        EOF
        generate "action admin home#index --url=/"

        rewrite "apps/admin/controllers/home/index.rb", <<~EOF
          module Web::Controllers::Home
            class Index
              include Admin::Action

              def call(params)
                self.body = "app: admin"
              end
            end
          end
        EOF

        RSpec::Support::Env["HANAMI_APPS"] = "web"

        server do
          visit "/"
          expect(page).to have_content("app: web")

          visit "/admin"
          expect(page).to have_content("Not Found")
        end
      end
    end
  end
end