/**
 * Completion index — orchestrates all registered completion sources.
 */

import { linksSource } from "./sources/links.js";
import type { ProcessedBlocks } from "./block-processor.js";
import type { CompletionsPayload } from "./types.js";
import type { DirectiveScanResult } from "./directive-scanner.js";

export type {
  CompletionsPayload,
  DiceCompletion,
  LinkCompletion,
  SparkTableCompletion,
  VarDeclaration,
  TagModifier,
} from "./types.js";

/**
 * Build completions from the content index, pre-collected blocks,
 * and directive scan results.
 * Called at server startup and on any file change.
 */
export function scanCompletions(
  index: Record<string, string>,
  blocks: ProcessedBlocks,
  directiveResults: DirectiveScanResult[],
): CompletionsPayload {
  const links = linksSource.scan(index) as CompletionsPayload["links"];

  // Merge all directive scan results
  const dice: CompletionsPayload["dice"] = [];
  const sparkTables: CompletionsPayload["sparkTables"] = [];
  for (const dr of directiveResults) {
    dice.push(...dr.dice);
    sparkTables.push(...dr.sparkTables);
  }

  return {
    dice,
    links,
    sparkTables,
    declarations: blocks.declarations,
    tagModifiers: blocks.tagModifiers,
  };
}