import type { Constructor } from '@rsdk/common';
import { RsdkMetadata } from '@rsdk/metadata';

import { IndicatorsRegistry } from '../../health/metadata/indicators.registry';
import type { Config } from '../config.abstract';
import { ConfigReloadIndicator } from '../config-reload.indicator';
import type { ConfigSource } from '../sources';
import type {
  PropertyMetadata,
  SectionMetadata,
  SourceMetadata,
} from '../types';

import {
  CONFIG_PROPERTIES_RSDK_METADATA_SCOPE,
  CONFIG_SECTION_RSDK_METADATA_SCOPE,
  CONFIG_SOURCE_RSDK_METADATA_SCOPE,
} from './constants';
import type {
  PropertyRsdkMetadata,
  SectionRsdkMetadata,
  SourcesRsdkMetadata,
} from './types';

export class ConfigMetadataRegistry {
  static registerSource(
    target: Constructor<ConfigSource>,
    metadata: SourceMetadata,
  ): void {
    RsdkMetadata.setWithScope<SourcesRsdkMetadata>(
      target,
      CONFIG_SOURCE_RSDK_METADATA_SCOPE,
      target,
      { target, metadata },
    );

    if (metadata.type === 'reloadable') {
      IndicatorsRegistry.register(ConfigReloadIndicator, {
        description: 'Will be "down" if there are problems with config reload',
        key: 'config-reload',
        scope: 'common',
      });
    }
  }

  static registerSection(
    target: Constructor<Config>,
    metadata: SectionMetadata,
  ): void {
    RsdkMetadata.setWithScope<SectionRsdkMetadata>(
      target,
      CONFIG_SECTION_RSDK_METADATA_SCOPE,
      target,
      { target, metadata },
    );
  }

  static registerProperty(
    target: object,
    alias: string,
    metadata: PropertyMetadata,
  ): void {
    RsdkMetadata.setWithScope(
      target,
      CONFIG_PROPERTIES_RSDK_METADATA_SCOPE,
      alias,
      <PropertyRsdkMetadata>{ metadata, alias },
      true,
    );
  }
}