Eligibility Evaluator (eligibility/eligibility.engine.ts)

Evaluates eligibility for schemes based on input conditions and returns eligible and ineligible schemes with reasons.

// Source: https://github.com/nitrocloudofficial/nitrostack | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
// Provided via justclaw.it.com; keep this notice with the code.
import type { CheckSchemeEligibilityInput, EligibilityResult, Scheme } from '../../shared/contracts.js';

export function evaluateEligibility(schemes: Scheme[], input: CheckSchemeEligibilityInput): EligibilityResult {
  const eligible: EligibilityResult['eligible'] = [];
  const ineligible: EligibilityResult['ineligible'] = [];

  for (const scheme of schemes) {
    const failedCondition = findFailedCondition(scheme, input);
    if (failedCondition) {
      ineligible.push({ schemeId: scheme.schemeId, schemeName: scheme.schemeName, failedCondition });
    } else {
      elig

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