# frozen_string_literal: true

require "cask/staged"

shared_examples Cask::Staged do
  let(:existing_path) { Pathname("/path/to/file/that/exists") }
  let(:non_existent_path) { Pathname("/path/to/file/that/does/not/exist") }

  before do
    allow(existing_path).to receive(:exist?).and_return(true)
    allow(existing_path).to receive(:expand_path)
      .and_return(existing_path)
    allow(non_existent_path).to receive(:exist?).and_return(false)
    allow(non_existent_path).to receive(:expand_path)
      .and_return(non_existent_path)
  end

  it "can run system commands with list-form arguments" do
    expect(fake_system_command).to receive(:run!)
      .with("echo", args: ["homebrew-cask", "rocks!"])

    staged.system_command("echo", args: ["homebrew-cask", "rocks!"])
  end

  it "can set the permissions of a file" do
    fake_pathname = existing_path
    allow(staged).to receive(:Pathname).and_return(fake_pathname)

    expect(fake_system_command).to receive(:run!)
      .with("/bin/chmod", args: ["-R", "--", "777", fake_pathname], sudo: false)

    staged.set_permissions(fake_pathname.to_s, "777")
  end

  it "can set the permissions of multiple files" do
    fake_pathname = existing_path
    allow(staged).to receive(:Pathname).and_return(fake_pathname)

    expect(fake_system_command).to receive(:run!)
      .with("/bin/chmod", args: ["-R", "--", "777", fake_pathname, fake_pathname], sudo: false)

    staged.set_permissions([fake_pathname.to_s, fake_pathname.to_s], "777")
  end

  it "cannot set the permissions of a file that does not exist" do
    fake_pathname = non_existent_path
    allow(staged).to receive(:Pathname).and_return(fake_pathname)
    staged.set_permissions(fake_pathname.to_s, "777")
  end

  it "can set the ownership of a file" do
    fake_pathname = existing_path

    allow(User).to receive(:current).and_return(User.new("fake_user"))
    allow(staged).to receive(:Pathname).and_return(fake_pathname)

    expect(fake_system_command).to receive(:run!)
      .with("/usr/sbin/chown", args: ["-R", "--", "fake_user:staff", fake_pathname], sudo: true)

    staged.set_ownership(fake_pathname.to_s)
  end

  it "can set the ownership of multiple files" do
    fake_pathname = existing_path

    allow(User).to receive(:current).and_return(User.new("fake_user"))
    allow(staged).to receive(:Pathname).and_return(fake_pathname)

    expect(fake_system_command).to receive(:run!)
      .with(
        "/usr/sbin/chown",
        args: ["-R", "--", "fake_user:staff", fake_pathname, fake_pathname],
        sudo: true,
      )

    staged.set_ownership([fake_pathname.to_s, fake_pathname.to_s])
  end

  it "can set the ownership of a file with a different user and group" do
    fake_pathname = existing_path

    allow(staged).to receive(:Pathname).and_return(fake_pathname)

    expect(fake_system_command).to receive(:run!)
      .with(
        "/usr/sbin/chown",
        args: ["-R", "--", "other_user:other_group", fake_pathname],
        sudo: true,
      )

    staged.set_ownership(fake_pathname.to_s, user: "other_user", group: "other_group")
  end

  it "cannot set the ownership of a file that does not exist" do
    allow(User).to receive(:current).and_return(User.new("fake_user"))
    fake_pathname = non_existent_path
    allow(staged).to receive(:Pathname).and_return(fake_pathname)

    staged.set_ownership(fake_pathname.to_s)
  end
end
