class Dependabot::Config::File

def self.parse(config)
  parsed = YAML.safe_load(config, symbolize_names: true)
  version = parsed[:version]
  raise InvalidConfigError, "invalid version #{version}" if version && version != 2
  File.new(updates: parsed[:updates], registries: parsed[:registries])
end

def commit_message_options(cfg)
  commit_message = cfg&.dig(:"commit-message") || {}
  UpdateConfig::CommitMessageOptions.new(
    prefix: commit_message[:prefix],
    prefix_development: commit_message[:"prefix-development"] || commit_message[:prefix],
    include: commit_message[:include]
  )
end

def ignore_conditions(cfg)
  ignores = cfg&.dig(:ignore) || []
  ignores.map do |ic|
    IgnoreCondition.new(
      dependency_name: ic[:"dependency-name"],
      versions: ic[:versions],
      update_types: ic[:"update-types"]
    )
  end
end

def initialize(updates:, registries: nil)
  @updates = T.let(updates || [], T::Array[T::Hash[Symbol, String]])
  @registries = T.let(registries || {}, T::Hash[Symbol, T::Hash[Symbol, String]])
end

def update_config(package_manager, directory: nil, target_branch: nil)
  dir = directory || "/"
  package_ecosystem = PACKAGE_MANAGER_LOOKUP.invert.fetch(package_manager)
  cfg = updates.find do |u|
    u[:"package-ecosystem"] == package_ecosystem && u[:directory] == dir &&
      (target_branch.nil? || u[:"target-branch"] == target_branch)
  end
  UpdateConfig.new(
    ignore_conditions: ignore_conditions(cfg),
    commit_message_options: commit_message_options(cfg)
  )
end