namespace :test do
  desc "Run Rails tests against all supported database adapters (SQLite, MySQL)"
  task :all_adapters do
    # DATABASE_URL overrides the adapter from database.yml at runtime.
    # MySQL requires the mysql2 gem: bundle install --with mysql
    adapters = {
      "SQLite" => {
        "DATABASE_URL" => "sqlite3:db/test.sqlite3"
      },
      "MySQL" => {
        "DATABASE_URL" => format(
          "mysql2://%s:%s@%s/%s",
          ENV.fetch("DATABASE_USERNAME", "root"),
          ENV.fetch("DATABASE_PASSWORD", ""),
          ENV.fetch("DATABASE_HOST", "127.0.0.1"),
          ENV.fetch("DATABASE_NAME", "fixin_test")
        )
      }
    }

    failed = []

    adapters.each do |name, extra_env|
      puts "\n#{"=" * 60}"
      puts "  Running tests with #{name}"
      puts "=" * 60

      env = ENV.to_h.merge("RAILS_ENV" => "test").merge(extra_env)

      # Reset test database; db:drop may fail on first run — that's fine
      system(env, "bin/rails db:drop")
      unless system(env, "bin/rails db:create db:schema:load")
        failed << "#{name} (database setup)"
        next
      end

      failed << name unless system(env, "bin/rails test")
    end

    puts "\n#{"=" * 60}"
    if failed.any?
      puts "  FAILED: #{failed.join(", ")}"
      puts "=" * 60
      exit 1
    else
      puts "  All adapters passed!"
      puts "=" * 60
    end
  end
end