import type { FactRule } from "./fact-provider-types.js";
import type { Diagnostic, DispatchContext } from "./types.js";

const rules: FactRule[] = [];

export function registerRule(r: FactRule): void {
  rules.push(r);
}

export function clearRules(): void {
  rules.length = 0;
}

export function evaluateRules(ctx: DispatchContext): Diagnostic[] {
  const diagnostics: Diagnostic[] = [];
  for (const rule of rules) {
    if (!rule.appliesTo(ctx)) continue;
    const results = rule.evaluate(ctx, ctx.facts);
    diagnostics.push(...results);
  }
  return diagnostics;
}