import { describe, expect, it } from "vitest";
import { resolveAddressTruthGate } from "../src/services/addressTruthGatePolicy";

describe("address truth gate policy", () => {
  it("treats factual exact no-match as confirmed negative with reusable root scope", () => {
    const gate = resolveAddressTruthGate({
      intent: "open_items_by_counterparty_or_contract",
      filters: {
        account: "60",
        period_from: "2022-08-01",
        period_to: "2022-08-31"
      },
      selectedRecipe: "open_items_by_counterparty_or_contract",
      rowsMatched: 0,
      limitedReasonCategory: "empty_match",
      runtimeReadiness: "LIVE_QUERYABLE_WITH_LIMITS",
      reasons: ["open_items_account_exact_negative_response"],
      routeExpectationStatus: "matched",
      replyType: "factual"
    });

    expect(gate.truth_gate_status).toBe("full_confirmed");
    expect(gate.carryover_eligibility).toBe("root_only");
    expect(gate.blocked_or_limited_explanation).toBeNull();
    expect(gate.reason_codes).toContain("limited_category_empty_match");
  });

  it("keeps selected-item limited answers object-scoped", () => {
    const gate = resolveAddressTruthGate({
      intent: "inventory_sale_trace_for_item",
      filters: {
        item: "Рабочая станция"
      },
      semanticFrame: {
        scope_kind: "selected_object_scope",
        anchor_kind: "selected_object",
        anchor_value: "Рабочая станция",
        date_scope_kind: "explicit",
        date_basis_hint: "explicit_as_of_date",
        self_scope_detected: false,
        selected_object_scope_detected: true
      },
      selectedRecipe: "inventory_sale_trace_for_item",
      rowsMatched: 0,
      limitedReasonCategory: "empty_match",
      runtimeReadiness: "LIVE_QUERYABLE_WITH_LIMITS",
      limitations: ["no_rows_after_recipe_and_scope_filter"],
      routeExpectationStatus: "matched",
      replyType: "partial_coverage"
    });

    expect(gate.truth_gate_status).toBe("partial_supported");
    expect(gate.carryover_eligibility).toBe("object_only");
    expect(gate.blocked_or_limited_explanation).toBe("evidence_or_coverage_is_partial");
  });

  it("blocks missing-anchor clarifications instead of pretending they are reusable evidence", () => {
    const gate = resolveAddressTruthGate({
      intent: "inventory_purchase_provenance_for_item",
      selectedRecipe: "inventory_purchase_provenance_for_item",
      rowsMatched: 0,
      limitedReasonCategory: "missing_anchor",
      runtimeReadiness: "LIVE_QUERYABLE_WITH_LIMITS",
      missingRequiredFilters: ["item"],
      limitations: ["missing_required_filters"],
      routeExpectationStatus: "matched",
      replyType: "partial_coverage"
    });

    expect(gate.truth_gate_status).toBe("blocked_missing_anchor");
    expect(gate.carryover_eligibility).toBe("none");
    expect(gate.blocked_or_limited_explanation).toBe("required_anchor_missing");
    expect(gate.reason_codes).toContain("missing_filter_item");
  });
});