# typed: true
# frozen_string_literal: true

require "cli/parser"
require "utils/github"

module Homebrew
  extend T::Sig

  module_function

  sig { returns(CLI::Parser) }
  def dispatch_build_bottle_args
    Homebrew::CLI::Parser.new do
      usage_banner <<~EOS
        `dispatch-build-bottle` [<options>] <formula> [<formula> ...]

        Build bottles for these formulae with GitHub Actions.
      EOS
      flag   "--tap=",
             description: "Target tap repository (default: `homebrew/core`)."
      flag   "--issue=",
             description: "If specified, post a comment to this issue number if the job fails."
      flag   "--macos=",
             description: "Version of macOS the bottle should be built for."
      flag   "--workflow=",
             description: "Dispatch specified workflow (default: `dispatch-build-bottle.yml`)."
      switch "--upload",
             description: "Upload built bottles to Bintray."

      min_named :formula
    end
  end

  def dispatch_build_bottle
    args = dispatch_build_bottle_args.parse

    # Fixup version for ARM/Apple Silicon
    arm_regex = Regexp.union(/^arm64_/, /-arm$/)
    arm_label = if arm_regex.match?(args.macos)
      args.macos&.gsub!(arm_regex, "")
      true
    else
      false
    end

    macos = args.macos&.yield_self do |s|
      MacOS::Version.from_symbol(s.to_sym)
    rescue MacOSVersionError
      MacOS::Version.new(s)
    end

    raise UsageError, "Must specify --macos option" if macos.blank?

    # Fixup label for ARM/Apple Silicon
    macos_label = if arm_label
      "#{macos}-arm"
    else
      macos.to_s
    end

    tap = Tap.fetch(args.tap || CoreTap.instance.name)
    user, repo = tap.full_name.split("/")

    workflow = args.workflow || "dispatch-build-bottle.yml"
    ref = "master"

    args.named.to_resolved_formulae.each do |formula|
      # Required inputs
      inputs = {
        formula: formula.name,
        macos:   macos_label,
      }

      # Optional inputs
      # These cannot be passed as nil to GitHub API
      inputs[:issue] = args.issue if args.issue
      inputs[:upload] = args.upload?.to_s if args.upload?

      ohai "Dispatching #{tap} bottling request of formula \"#{formula.name}\" for macOS #{macos}"
      GitHub.workflow_dispatch_event(user, repo, workflow, ref, inputs)
    end
  end
end