require 'spec_helper'
require 'tempfile'

describe FontProcessor::ProcessedFontIterator do
  before(:each) do
    @fontbase_id = "a00000000000000000000001"
    @charset_id = 1
    @fpv = 20
    @directory = File.join(Dir.tmpdir, "processed-font-iterator-#{Time.now.to_i}")
  end
  subject { FontProcessor::ProcessedFontIterator.new(@fontbase_id, @charset_id, @fpv, @directory, true) }

  describe ".valid" do
    before(:each) do
      FileUtils.mkdir_p(@directory)
    end
    after(:each) do
      FileUtils.rm_r(@directory)
    end

    it "is true when a truetype file is successfully processed" do
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-otf.ttf"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-woff.ttf"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-dyna_base.ttf"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-woff2.ttf"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-inst.ttf"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-woff_raw.ttf"))
      expect(subject.valid?).to be true
    end
    it "isn't true when a truetype file is missing a file" do
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-otf.ttf"))
      expect(subject.valid?).to be false
    end
    it "is true when a postscript file is successfully processed" do
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-otf.ttf"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-inst.ttf"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-woff.ttf"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-dyna_base.ttf"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-woff2.ttf"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-woff_raw.ttf"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-otf.cff"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-inst.cff"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-dyna_base.cff"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-woff.cff"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-woff2.cff"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-woff_raw.cff"))
      expect(subject.valid?).to be true
    end
    it "isn't true when a postscript file is missing a postscript file" do
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-otf.ttf"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-woff.ttf"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-otf.cff"))
      expect(subject.valid?).to be false
    end
    it "isn't true when a postscript file is missing a truetype file" do
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-woff.ttf"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-otf.cff"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-woff.cff"))
      expect(subject.valid?).to be false
    end
    it "is true when a postscript file is not converting to a truetype file" do
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-dyna_base.cff"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-otf.cff"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-inst.cff"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-woff.cff"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-woff2.cff"))
      FileUtils.touch(File.join(@directory, "charset-#{@charset_id}-woff_raw.cff"))
      no_ttf_iterator = FontProcessor::ProcessedFontIterator.new(@fontbase_id, @charset_id, @fpv, @directory, false)
      expect(no_ttf_iterator.valid?).to be true
    end
  end

  describe ".s3_key" do
    it "can return a proper s3 key for a normal file" do
      expect(subject.s3_key("otf", "ttf")).to eq "#{@fontbase_id}/#{@fpv}/#{@charset_id}/otf.ttf"
    end
  end

  describe ".each" do
    before(:each) do
      FileUtils.mkdir_p(@directory)
    end
    after(:each) do
      FileUtils.rm_r(@directory)
    end

    it "can successfully iterate" do
      @file_1 = File.join(@directory, "charset-#{@charset_id}-otf.ttf")
      @file_2 = File.join(@directory, "charset-#{@charset_id}-woff.ttf")
      @file_3 = File.join(@directory, "charset-#{@charset_id}-woff2.ttf")
      @file_4 = File.join(@directory, "charset-#{@charset_id}-woff_raw.ttf")
      @file_5 = File.join(@directory, "charset-#{@charset_id}-inst.ttf")
      @file_6 = File.join(@directory, "charset-#{@charset_id}-dyna_base.ttf")
      @file_7 = File.join(@directory, "charset-#{@charset_id}-otf.otf")
      @file_8 = File.join(@directory, "charset-#{@charset_id}-woff.otf")
      @file_9 = File.join(@directory, "charset-#{@charset_id}-woff2.otf")
      @file_10 = File.join(@directory, "charset-#{@charset_id}-woff_raw.otf")
      @file_11 = File.join(@directory, "charset-#{@charset_id}-inst.otf")
      @file_12 = File.join(@directory, "charset-#{@charset_id}-dyna_base.otf")
      @file_13 = File.join(@directory, "source.otf")

      [@file_1, @file_2, @file_3, @file_4, @file_5, @file_6, @file_7, @file_8, @file_9, @file_10, @file_11, @file_12, @file_13].each { |f| FileUtils.touch(f) }

      results = []
      subject.each { |file, s3_key| results << [s3_key, file] }
      results.sort!

      expect(results).to eq [
        ["a00000000000000000000001/20/1/dyna_base.cff", @file_12],
        ["a00000000000000000000001/20/1/dyna_base.ttf", @file_6],
        ["a00000000000000000000001/20/1/inst.cff", @file_11],
        ["a00000000000000000000001/20/1/inst.ttf", @file_5],
        ["a00000000000000000000001/20/1/otf.cff", @file_7],
        ["a00000000000000000000001/20/1/otf.ttf", @file_1],
        ["a00000000000000000000001/20/1/woff.cff", @file_8],
        ["a00000000000000000000001/20/1/woff.ttf", @file_2],
        ["a00000000000000000000001/20/1/woff2.cff", @file_9],
        ["a00000000000000000000001/20/1/woff2.ttf", @file_3],
        ["a00000000000000000000001/20/1/woff_raw.cff", @file_10],
        ["a00000000000000000000001/20/1/woff_raw.ttf", @file_4]
      ]
    end

    it "won't iterate over missing files" do
      expect { subject.each }.to raise_error(FontProcessor::MissingFilesException)
    end
  end
end