# frozen_string_literal: true

module Metadata
  module MetadataV10
    class << self
      def get_module(module_name, metadata)
        metadata._get(:metadata)._get(:v10)._get(:modules).find do |m|
          m._get(:name) == module_name
        end
      end

      def get_storage_item(module_name, item_name, metadata)
        modula = get_module(module_name, metadata)
        raise "Module `#{module_name}` not found" if modula.nil?
        modula._get(:storage)._get(:items).find do |item|
          item._get(:name) == item_name
        end
      end
    end

    TYPES = {
      ErrorMetadataV10: 'ErrorMetadataV9',
      EventMetadataV10: 'EventMetadataV9',
      FunctionArgumentMetadataV10: 'FunctionArgumentMetadataV9',
      FunctionMetadataV10: 'FunctionMetadataV9',
      MetadataV10: {
        modules: 'Vec<ModuleMetadataV10>'
      },
      ModuleConstantMetadataV10: 'ModuleConstantMetadataV9',
      ModuleMetadataV10: {
        name: 'Text',
        storage: 'Option<StorageMetadataV10>',
        calls: 'Option<Vec<FunctionMetadataV10>>',
        events: 'Option<Vec<EventMetadataV10>>',
        constants: 'Vec<ModuleConstantMetadataV10>',
        errors: 'Vec<ErrorMetadataV10>'
      },
      StorageEntryModifierV10: 'StorageEntryModifierV9',
      StorageEntryMetadataV10: {
        name: 'Text',
        modifier: 'StorageEntryModifierV10',
        type: 'StorageEntryTypeV10',
        fallback: 'Bytes',
        docs: 'Vec<Text>'
      },
      StorageEntryTypeV10: {
        _enum: {
          Plain: 'Type',
          Map: {
            hasher: 'StorageHasherV10',
            key: 'Type',
            value: 'Type',
            linked: 'bool'
          },
          DoubleMap: {
            hasher: 'StorageHasherV10',
            key1: 'Type',
            key2: 'Type',
            value: 'Type',
            key2Hasher: 'StorageHasherV10'
          }
        }
      },
      StorageMetadataV10: {
        prefix: 'Text',
        items: 'Vec<StorageEntryMetadataV10>'
      },
      StorageHasherV10: {
        _enum: %w[
          Blake2_128
          Blake2_256
          Blake2_128Concat
          Twox128
          Twox256
          Twox64Concat
        ]
      }
    }.freeze
  end
end