class RBS::Collection::Config::LockfileGenerator

# File rbs-3.6.1/lib/rbs/collection/config/lockfile_generator.rb, line 25
def self.generate(config:, definition:, with_lockfile: true)
  generator = new(config: config, definition: definition, with_lockfile: with_lockfile)
  generator.generate
  generator.lockfile
end

# File rbs-3.6.1/lib/rbs/collection/config/lockfile_generator.rb, line 31
def initialize(config:, definition:, with_lockfile:)
  @config = config

  @gem_entries = config.gems.each.with_object({}) do |entry, hash| #$ Hash[String, gem_entry?]
    name = entry["name"]
    hash[name] = entry
  end

  lockfile_path = Config.to_lockfile_path(config.config_path)
  lockfile_dir = lockfile_path.parent

  @lockfile = Lockfile.new(
    lockfile_path: lockfile_path,
    path: config.repo_path_data,
    gemfile_lock_path: definition.lockfile.relative_path_from(lockfile_dir)
  )

  if with_lockfile && lockfile_path.file?
    @existing_lockfile = Lockfile.from_lockfile(lockfile_path: lockfile_path, data: YAML.load_file(lockfile_path.to_s))
    validate_gemfile_lock_path!(lock: @existing_lockfile, gemfile_lock_path: definition.lockfile)
  end

  @definition = definition
  @gem_hash = definition.locked_gems.specs.each.with_object({}) do |spec, hash|  #$ Hash[String, Bundler::LazySpecification]
    hash[spec.name] = spec
  end
end

# File rbs-3.6.1/lib/rbs/collection/config/lockfile_generator.rb, line 59
def generate
  config.gems.each do |gem|
    if Sources::Stdlib.instance.has?(gem["name"], nil) || gem.dig("source", "type") == "stdlib"
      unless gem.fetch("ignore", false)
        assign_stdlib(name: gem["name"], from_gem: nil)
      end
    else
      assign_gem(name: gem["name"], version: gem["version"])
    end
  end

  definition.dependencies.each do |dep|
    if dep.autorequire && dep.autorequire.empty?
      next
    end

    if spec = gem_hash[dep.name]
      assign_gem(name: dep.name, version: spec.version, skip: dep.source.is_a?(Bundler::Source::Gemspec))
    end
  end

  lockfile.lockfile_path.write(YAML.dump(lockfile.to_lockfile))
end

# File rbs-3.6.1/lib/rbs/collection/config/lockfile_generator.rb, line 91
        def assign_gem(name:, version:, skip: false)
  entry = gem_entries[name]
  src_data = entry&.fetch("source", nil)
  ignored = entry&.fetch("ignore", false)

  return if ignored
  return if lockfile.gems.key?(name)

  unless skip
    # @type var locked: Lockfile::library?

    if existing_lockfile
      locked = existing_lockfile.gems[name]
    end

    # If rbs_collection.lock.yaml contain the gem, use it.
    # Else find the gem from gem_collection.
    unless locked
      source =
        if src_data
          Sources.from_config_entry(src_data, base_directory: config.config_path.dirname)
        else
          find_source(name: name)
        end

      if source
        installed_version = version
        best_version = find_best_version(version: installed_version, versions: source.versions(name))

        locked = {
          name: name,
          version: best_version.to_s,
          source: source,
        }
      end
    end

    if locked
      lockfile.gems[name] = locked

      begin
        locked[:source].dependencies_of(locked[:name], locked[:version])&.each do |dep|
          assign_stdlib(name: dep["name"], from_gem: name)
        end
      rescue
        RBS.logger.warn "Cannot find `#{locked[:name]}-#{locked[:version]}` gem. Using incorrect Bundler context? (#{definition.lockfile})"
      end
    end
  end

  if spec = gem_hash.fetch(name, nil)
    spec.dependencies.each do |dep|
      if dep_spec = gem_hash[dep.name]
        assign_gem(name: dep.name, version: dep_spec.version)
      end
    end
  else
    RBS.logger.warn "Cannot find `#{name}` gem. Using incorrect Bundler context? (#{definition.lockfile})"
  end
end

# File rbs-3.6.1/lib/rbs/collection/config/lockfile_generator.rb, line 152
        def assign_stdlib(name:, from_gem:)
  return if lockfile.gems.key?(name)

  case name
  when 'rubygems', 'set'
    msg = "`#{name}` has been moved to core library, so it is always loaded. Remove explicit loading `#{name}`"
    msg << " from `#{from_gem}`" if from_gem
    RBS.logger.warn msg

    return
  end

  source = Sources::Stdlib.instance
  lockfile.gems[name] = { name: name, version: "0", source: source }

  unless source.has?(name, nil)
    raise "Cannot find `#{name}` from standard libraries"
  end

  if deps = source.dependencies_of(name, "0")
    deps.each do |dep|
      assign_stdlib(name: dep["name"], from_gem: name)
    end
  end
end

# File rbs-3.6.1/lib/rbs/collection/config/lockfile_generator.rb, line 184
        def find_best_version(version:, versions:)
  candidates = versions.map { |v| Gem::Version.create(v) or raise }
  return candidates.max || raise unless version

  v = Gem::Version.create(version) or raise
  Repository.find_best_version(v, candidates)
end

# File rbs-3.6.1/lib/rbs/collection/config/lockfile_generator.rb, line 178
        def find_source(name:)
  sources = config.sources

  sources.find { |c| c.has?(name, nil) }
end

# File rbs-3.6.1/lib/rbs/collection/config/lockfile_generator.rb, line 83
        def validate_gemfile_lock_path!(lock:, gemfile_lock_path:)
  return unless lock
  return unless lock.gemfile_lock_fullpath
  unless File.realpath(lock.gemfile_lock_fullpath) == File.realpath(gemfile_lock_path)
    raise GemfileLockMismatchError.new(expected: lock.gemfile_lock_fullpath, actual: gemfile_lock_path)
  end
end