#!/usr/bin/env ruby

require "open3"

def run_command(command)
  output, status = Open3.capture2e(command)
  raise "Command failed: #{ command }\n#{ output }" unless status.success?
  output
end

def run_bundle_update
  run_command("bundle update") if File.exist?("Gemfile.lock")
end

def run_yarn_upgrade
  run_command("yarn upgrade") if File.exist?("yarn.lock")
end

def run_db_migrate
  run_command("rails db:migrate") if Dir.glob("db/migrate/*.rb").any?
end

def add_files_to_git
  run_command("git add -A")
end

def rebase_continue
  run_command("git rebase --continue")
end

def restore_git_state
  run_command("git reset --hard ORIG_HEAD")
end

def process_commit
  run_bundle_update
  run_yarn_upgrade
  run_db_migrate
  add_files_to_git
  rebase_continue
end

def main
  Dir.chdir(File.expand_path("..", __dir__)) do
    commits = `git rev-list --reverse HEAD`.split("\n")
    commits.each do |commit|
      begin
        run_command("git checkout #{ commit }")
        process_commit
      rescue StandardError => e
        puts "Error processing commit #{ commit }: #{ e.message }"
        restore_git_state
        break
      end
    end
  end
end

main