class Buildkite::TestCollector::CI

def self.env
  new.env
end

def analytics_env
  {
    "key" => ENV["BUILDKITE_ANALYTICS_KEY"],
    "url" => ENV["BUILDKITE_ANALYTICS_URL"],
    "branch" => ENV["BUILDKITE_ANALYTICS_BRANCH"],
    "commit_sha" => ENV["BUILDKITE_ANALYTICS_SHA"],
    "number" => ENV["BUILDKITE_ANALYTICS_NUMBER"],
    "job_id" => ENV["BUILDKITE_ANALYTICS_JOB_ID"],
    "message" => ENV["BUILDKITE_ANALYTICS_MESSAGE"],
    "execution_name_prefix" => ENV["BUILDKITE_ANALYTICS_EXECUTION_NAME_PREFIX"],
    "execution_name_suffix" => ENV["BUILDKITE_ANALYTICS_EXECUTION_NAME_SUFFIX"],
    "language_version" => RUBY_VERSION,
    "version" => Buildkite::TestCollector::VERSION,
    "collector" => "ruby-#{Buildkite::TestCollector::NAME}",
    "trace_min_duration" => Buildkite::TestCollector.trace_min_duration&.to_s,
  }.select { |_, value| !value.nil? }
end

def buildkite
  {
    "CI" => "buildkite",
    "key" => ENV["BUILDKITE_BUILD_ID"],
    "url" => ENV["BUILDKITE_BUILD_URL"],
    "branch" => ENV["BUILDKITE_BRANCH"],
    "commit_sha" => ENV["BUILDKITE_COMMIT"],
    "number" => ENV["BUILDKITE_BUILD_NUMBER"],
    "job_id" => ENV["BUILDKITE_JOB_ID"],
    "message" => ENV["BUILDKITE_MESSAGE"],
  }
end

def ci_env
  return buildkite if ENV["BUILDKITE_BUILD_ID"]
  return github_actions if ENV["GITHUB_RUN_NUMBER"]
  return circleci if ENV["CIRCLE_BUILD_NUM"]
  return codeship if ENV["CI_NAME"] == "codeship"
  return generic if ENV["CI"]
  {
    "CI" => nil,
    "key" => Buildkite::TestCollector::UUID.call,
  }
end

def circleci
  {
    "CI" => "circleci",
    "key" => "#{ENV["CIRCLE_WORKFLOW_ID"]}-#{ENV["CIRCLE_BUILD_NUM"]}",
    "url" => ENV["CIRCLE_BUILD_URL"],
    "branch" => ENV["CIRCLE_BRANCH"],
    "commit_sha" => ENV["CIRCLE_SHA1"],
    "number" => ENV["CIRCLE_BUILD_NUM"],
  }
end

def codeship
  {
    "CI" => "codeship",
    "key" => "#{ENV["CI_BUILD_ID"]}",
    "url" => ENV["CI_PULL_REQUEST"],
    "branch" => ENV["CI_BRANCH"],
    "commit_sha" => ENV["CI_COMMIT_ID"],
    "number" => nil,
    "message" => ENV["CI_COMMIT_MESSAGE"],
  }
end

def env
  ci_env.merge(analytics_env).merge(Buildkite::TestCollector.env)
end

def generic
  {
    "CI" => "generic",
    "key" => Buildkite::TestCollector::UUID.call,
  }
end

def github_actions
  {
    "CI" => "github_actions",
    "key" => "#{ENV["GITHUB_ACTION"]}-#{ENV["GITHUB_RUN_NUMBER"]}-#{ENV["GITHUB_RUN_ATTEMPT"]}",
    "url" => File.join("https://github.com", ENV["GITHUB_REPOSITORY"], "actions/runs", ENV["GITHUB_RUN_ID"]),
    "branch" => ENV["GITHUB_REF_NAME"],
    "commit_sha" => ENV["GITHUB_SHA"],
    "number" => ENV["GITHUB_RUN_NUMBER"],
  }
end