require 'spec_helper'

describe "Postmark" do

  let :tmail_message do
    TMail::Mail.new.tap do |mail|
      mail.from = "sheldon@bigbangtheory.com"
      mail.to = "lenard@bigbangtheory.com"
      mail.subject = "Hello!"
      mail.body = "Hello Sheldon!"
    end
  end

  let :tmail_html_message do
    TMail::Mail.new.tap do |mail|
      mail.from = "sheldon@bigbangtheory.com"
      mail.to = "lenard@bigbangtheory.com"
      mail.subject = "Hello!"
      mail.body = "<b>Hello Sheldon!</b>"
      mail.content_type = "text/html"
    end
  end
  
  let :mail_message do
    Mail.new do
      from    "sheldon@bigbangtheory.com"
      to      "lenard@bigbangtheory.com"
      subject "Hello!"
      body    "Hello Sheldon!"
    end
  end

  let :mail_html_message do
    mail = Mail.new do
      from          "sheldon@bigbangtheory.com"
      to            "lenard@bigbangtheory.com"
      subject       "Hello!"
      html_part do
        body        "<b>Hello Sheldon!</b>"
      end
    end
  end
  
  let :mail_multipart_message do
    mail = Mail.new do
      from          "sheldon@bigbangtheory.com"
      to            "lenard@bigbangtheory.com"
      subject       "Hello!"
      text_part do
        body        "Hello Sheldon!"
      end
      html_part do
        body        "<b>Hello Sheldon!</b>"
      end
    end
  end

  context "service call" do

    before(:all) do
      Postmark.sleep_between_retries = 0
    end

    it "should send email successfully" do
      FakeWeb.register_uri(:post, "http://api.postmarkapp.com/email", {})
      Postmark.send_through_postmark(tmail_message)
      FakeWeb.should have_requested(:post, "http://api.postmarkapp.com/email")
    end

    it "should warn when header is invalid" do
      FakeWeb.register_uri(:post, "http://api.postmarkapp.com/email", {:status => [ "401", "Unauthorized" ], :body => "Missing API token"})
      lambda { Postmark.send_through_postmark(tmail_message) }.should raise_error(Postmark::InvalidApiKeyError)
    end

    it "should warn when json is not ok" do
      FakeWeb.register_uri(:post, "http://api.postmarkapp.com/email", {:status => [ "422", "Invalid" ], :body => "Invalid JSON"})
      lambda { Postmark.send_through_postmark(tmail_message) }.should raise_error(Postmark::InvalidMessageError)
    end

    it "should warn when server fails" do
      FakeWeb.register_uri(:post, "http://api.postmarkapp.com/email", {:status => [ "500", "Internal Server Error" ]})
      lambda { Postmark.send_through_postmark(tmail_message) }.should raise_error(Postmark::InternalServerError)
    end

    it "should warn when unknown stuff fails" do
      FakeWeb.register_uri(:post, "http://api.postmarkapp.com/email", {:status => [ "485", "Custom HTTP response status" ]})
      lambda { Postmark.send_through_postmark(tmail_message) }.should raise_error(Postmark::UnknownError)
    end

    it "should retry 3 times" do
      FakeWeb.register_uri(:post, "http://api.postmarkapp.com/email",
                           [ { :status => [ 500, "Internal Server Error" ] },
                           { :status => [ 500, "Internal Server Error" ] },
                           {  } ]
                          )
      lambda { Postmark.send_through_postmark(tmail_message) }.should_not raise_error
    end
  end

  context "delivery stats" do
    let(:response_body) { %{{"InactiveMails":1,"Bounces":[{"TypeCode":0,"Name":"All","Count":2},{"Type":"HardBounce","TypeCode":1,"Name":"Hard bounce","Count":1},{"Type":"SoftBounce","TypeCode":4096,"Name":"Soft bounce","Count":1}]}} }

    it "should query the service for delivery stats" do
      FakeWeb.register_uri(:get, "http://api.postmarkapp.com/deliverystats", { :body => response_body })
      results = Postmark.delivery_stats
      results["InactiveMails"].should == 1
      results["Bounces"].should be_an(Array)
      results["Bounces"].should have(3).entries
      FakeWeb.should have_requested(:get, "http://api.postmarkapp.com/deliverystats")
    end
  end

  context "tmail parse" do
    def be_serialized_to(json)
      simple_matcher "be serialized to #{json}" do |message|
        Postmark.send(:convert_message_to_options_hash, tmail_message).should == JSON.parse(json)
      end
    end
    
    it "should set text body for plain message" do
      Postmark.send(:convert_message_to_options_hash, tmail_message)['TextBody'].should_not be_nil
    end

    it "should set html body for html message" do
      Postmark.send(:convert_message_to_options_hash, tmail_html_message)['HtmlBody'].should_not be_nil
    end
    
    it "should encode custom headers headers properly" do
      tmail_message["CUSTOM-HEADER"] = "header"
      tmail_message.should be_serialized_to %q[{"Subject":"Hello!", "From":"sheldon@bigbangtheory.com", "To":"lenard@bigbangtheory.com", "TextBody":"Hello Sheldon!", "Headers":[{"Name":"Custom-Header", "Value":"header"}]}]
    end

    it "should encode reply to" do
      tmail_message.reply_to = ['a@a.com', 'b@b.com']
      tmail_message.should be_serialized_to %q[{"Subject":"Hello!", "From":"sheldon@bigbangtheory.com", "ReplyTo":"a@a.com, b@b.com", "To":"lenard@bigbangtheory.com", "TextBody":"Hello Sheldon!"}]
    end

    it "should encode tag" do
      tmail_message.tag = "invite"
      tmail_message.should be_serialized_to %q[{"Subject":"Hello!", "From":"sheldon@bigbangtheory.com", "Tag":"invite", "To":"lenard@bigbangtheory.com", "TextBody":"Hello Sheldon!"}]
    end

    it "should encode multiple recepients (TO)" do
      tmail_message.to = ['a@a.com', 'b@b.com']
      tmail_message.should be_serialized_to %q[{"Subject":"Hello!", "From":"sheldon@bigbangtheory.com", "To":"a@a.com, b@b.com", "TextBody":"Hello Sheldon!"}]
    end

    it "should encode multiple recepients (CC)" do
      tmail_message.cc = ['a@a.com', 'b@b.com']
      tmail_message.should be_serialized_to %q[{"Cc":"a@a.com, b@b.com", "Subject":"Hello!", "From":"sheldon@bigbangtheory.com", "To":"lenard@bigbangtheory.com", "TextBody":"Hello Sheldon!"}]
    end

    it "should encode multiple recepients (BCC)" do
      tmail_message.bcc = ['a@a.com', 'b@b.com']
      tmail_message.should be_serialized_to %q[{"Bcc":"a@a.com, b@b.com", "Subject":"Hello!", "From":"sheldon@bigbangtheory.com", "To":"lenard@bigbangtheory.com", "TextBody":"Hello Sheldon!"}]
    end
  end
  
  context "mail parse" do
    def be_serialized_to(json)
      simple_matcher "be serialized to #{json}" do |message|
        Postmark.send(:convert_message_to_options_hash, mail_message).should == JSON.parse(json)
      end
    end
    
    it "should set text body for plain message" do
      Postmark.send(:convert_message_to_options_hash, mail_message)['TextBody'].should_not be_nil
    end

    it "should set html body for html message" do
      Postmark.send(:convert_message_to_options_hash, mail_html_message)['HtmlBody'].should_not be_nil
    end
    
    it "should set html and text body for multipart message" do
      Postmark.send(:convert_message_to_options_hash, mail_multipart_message)['HtmlBody'].should_not be_nil
      Postmark.send(:convert_message_to_options_hash, mail_multipart_message)['TextBody'].should_not be_nil
    end
    
    it "should encode custom headers properly" do
      mail_message.header["CUSTOM-HEADER"] = "header"
      mail_message.should be_serialized_to %q[{"Subject":"Hello!", "From":"sheldon@bigbangtheory.com", "To":"lenard@bigbangtheory.com", "TextBody":"Hello Sheldon!", "Headers":[{"Name":"Custom-Header", "Value":"header"}]}]
    end
    
    it "should encode reply to" do
      mail_message.reply_to = ['a@a.com', 'b@b.com']
      mail_message.should be_serialized_to %q[{"Subject":"Hello!", "From":"sheldon@bigbangtheory.com", "ReplyTo":"a@a.com, b@b.com", "To":"lenard@bigbangtheory.com", "TextBody":"Hello Sheldon!"}]
    end
    
    it "should encode tag" do
      mail_message.tag = "invite"
      mail_message.should be_serialized_to %q[{"Subject":"Hello!", "From":"sheldon@bigbangtheory.com", "Tag":"invite", "To":"lenard@bigbangtheory.com", "TextBody":"Hello Sheldon!"}]
    end
    
    it "should encode multiple recepients (TO)" do
      mail_message.to = ['a@a.com', 'b@b.com']
      mail_message.should be_serialized_to %q[{"Subject":"Hello!", "From":"sheldon@bigbangtheory.com", "To":"a@a.com, b@b.com", "TextBody":"Hello Sheldon!"}]
    end
    
    it "should encode multiple recepients (CC)" do
      mail_message.cc = ['a@a.com', 'b@b.com']
      mail_message.should be_serialized_to %q[{"Cc":"a@a.com, b@b.com", "Subject":"Hello!", "From":"sheldon@bigbangtheory.com", "To":"lenard@bigbangtheory.com", "TextBody":"Hello Sheldon!"}]
    end
    
    it "should encode multiple recepients (BCC)" do
      mail_message.bcc = ['a@a.com', 'b@b.com']
      mail_message.should be_serialized_to %q[{"Bcc":"a@a.com, b@b.com", "Subject":"Hello!", "From":"sheldon@bigbangtheory.com", "To":"lenard@bigbangtheory.com", "TextBody":"Hello Sheldon!"}]
    end
  end
  
  context "mail delivery method" do
    it "should be able to set delivery_method" do
      mail_message.delivery_method Mail::Postmark
      puts mail_message.delivery_method
    end
    
    it "should wrap Postmark.send_through_postmark" do
      message = mail_message
      Postmark.should_receive(:send_through_postmark).with(message)
      mail_message.delivery_method Mail::Postmark
      mail_message.deliver
    end
    
    it "should allow setting of api_key" do
      mail_message.delivery_method Mail::Postmark, {:api_key => 'api-key'}
      mail_message.delivery_method.settings[:api_key].should == 'api-key'
    end
  end

  context "JSON library support" do
    [:Json, :ActiveSupport, :Yajl].each do |lib|
      begin
        original_parser_class = Postmark.response_parser_class

        it "decodes json with #{lib}" do
          Postmark.response_parser_class = lib
          Postmark::Json.decode(%({"Message":"OK"})).should == { "Message" => "OK" }
        end

        Postmark.response_parser_class = original_parser_class
      rescue LoadError # No ActiveSupport or Yajl :(
      end
    end
  end

end