/**
 * Message block type registry.
 *
 * Core owns the base block types; plugins can contribute additional block
 * renderers via ``registerBlockType`` / ``unregisterBlockTypes`` during their
 * frontend activation lifecycle (Block H / HC-F).
 */
import type { ComponentType } from 'react';
import type { MessageBlock } from '@/store/commStore';

export type BlockComponent = ComponentType<{ block: MessageBlock }>;

const _registry = new Map<string, BlockComponent>();

export function registerBlockType(blockType: string, component: BlockComponent, owner = ''): void {
  if (_registry.has(blockType)) {
    // eslint-disable-next-line no-console
    console.warn(`[blockRegistry] block type '${blockType}' re-registered by '${owner || 'unknown'}' — overwriting`);
  }
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  (component as any).__block_owner__ = owner;
  _registry.set(blockType, component);
}

export function unregisterBlockTypes(owner: string): void {
  for (const [key, component] of _registry.entries()) {
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    if ((component as any).__block_owner__ === owner) {
      _registry.delete(key);
    }
  }
}

export function getBlockComponent(blockType: string): BlockComponent | undefined {
  return _registry.get(blockType);
}