require "rails_helper"

RSpec.describe Streams::GenerateCoverSlate do
  let!(:club) { Club.create!(name: "Club", sport: "volleyball", primary_color: "#e53935", secondary_color: "#ffffff") }

  before do
    load Rails.root.join("db/seeds/plans.rb")
    Billing::AssignPlan.call(club: club, plan_slug: "premium_full")
    club.cover_image.attach(
      io: StringIO.new("fake-image"),
      filename: "cover.png",
      content_type: "image/png"
    )
  end

  it "genera cover_slate e scrive su disco se ffmpeg ok" do
    mp4 = Tempfile.new(["slate", ".mp4"])
    mp4.write("fake mp4")
    mp4.flush

    allow(Open3).to receive(:capture3).and_return(["", "", instance_double(Process::Status, success?: true)])
    allow(File).to receive(:exist?).and_call_original
    allow(File).to receive(:exist?).with(mp4.path).and_return(true)
    allow(File).to receive(:size).with(mp4.path).and_return(8)

    service = described_class.new(club)
    allow(service).to receive(:encode_slate).and_return(mp4.path)
    allow(service).to receive(:download_cover_image).and_return("/tmp/in.png")

    slates_dir = Rails.root.join("tmp/slates-custom-test")
    FileUtils.mkdir_p(slates_dir)
    allow(Streams::CoverSlatePaths).to receive(:slates_custom_root).and_return(slates_dir.to_s)

    service.call

    expect(club.reload.cover_slate).to be_attached
    expect(club.cover_slate.content_type).to eq("video/mp4")
  ensure
    mp4.close!
    FileUtils.rm_rf(slates_dir) if defined?(slates_dir)
  end

  it "solleva Error se ffmpeg fallisce" do
    allow(Open3).to receive(:capture3).and_return(["", "boom", instance_double(Process::Status, success?: false)])

    expect {
      described_class.new(club).send(:encode_slate, "/tmp/in.png")
    }.to raise_error(Streams::GenerateCoverSlate::Error, /ffmpeg slate failed/)
  end
end