import { describe, expect, it, vi } from "vitest";
import { runAssistantMcpDiscoveryRuntimeEntryPoint } from "../src/services/assistantMcpDiscoveryRuntimeEntryPoint";

function buildDeps(rows: Array<Record<string, unknown>>, error: string | null = null) {
  return {
    executeAddressMcpQuery: vi.fn(async () => ({
      fetched_rows: rows.length,
      matched_rows: error ? 0 : rows.length,
      raw_rows: rows,
      rows: error ? [] : rows,
      error
    }))
  };
}

function buildMetadataDeps(rows: Array<Record<string, unknown>>, error: string | null = null) {
  return {
    executeAddressMcpMetadata: vi.fn(async () => ({
      fetched_rows: error ? 0 : rows.length,
      raw_rows: error ? [] : rows,
      rows: error ? [] : rows,
      error
    }))
  };
}

describe("assistant MCP discovery runtime entry point", () => {
  it("runs the bridge for discovery-eligible lifecycle turn context", async () => {
    const result = await runAssistantMcpDiscoveryRuntimeEntryPoint({
      userMessage: "Сколько лет мы работаем с Группа СВК?",
      predecomposeContract: {
        entities: { counterparty: "Группа СВК" },
        period: {}
      },
      deps: buildDeps([{ Период: "2020-01-15T00:00:00", Регистратор: "CP_CUSTOMER_ACTIVITY_FIRST" }])
    });

    expect(result.entry_status).toBe("bridge_executed");
    expect(result.hot_runtime_wired).toBe(false);
    expect(result.discovery_attempted).toBe(true);
    expect(result.turn_input.semantic_data_need).toBe("counterparty lifecycle evidence");
    expect(result.bridge?.bridge_status).toBe("answer_draft_ready");
    expect(result.bridge?.answer_draft.answer_mode).toBe("confirmed_with_bounded_inference");
    expect(result.reason_codes).toContain("runtime_entry_point_bridge_executed");
  });

  it("skips supported exact turns before any discovery execution", async () => {
    const deps = buildDeps([]);
    const result = await runAssistantMcpDiscoveryRuntimeEntryPoint({
      assistantTurnMeaning: {
        asked_domain_family: "counterparty",
        asked_action_family: "list_documents",
        explicit_intent_candidate: "list_documents_by_counterparty",
        explicit_entity_candidates: [{ value: "SVK" }]
      },
      deps
    });

    expect(result.entry_status).toBe("skipped_not_applicable");
    expect(result.discovery_attempted).toBe(false);
    expect(result.bridge).toBeNull();
    expect(deps.executeAddressMcpQuery).not.toHaveBeenCalled();
    expect(result.reason_codes).toContain("runtime_entry_point_skipped_supported_exact_turn");
  });

  it("passes unsupported-but-understood value turns into bridge with normalized entity scope", async () => {
    const result = await runAssistantMcpDiscoveryRuntimeEntryPoint({
      assistantTurnMeaning: {
        asked_domain_family: "counterparty",
        asked_action_family: "counterparty_value_or_turnover",
        unsupported_but_understood_family: "counterparty_value_or_turnover",
        explicit_entity_candidates: [{ value: "SVK" }]
      },
      predecomposeContract: {
        entities: { counterparty: "Группа СВК" },
        period: { period_from: "2020-01-01", period_to: "2020-12-31" }
      },
      deps: buildDeps([
        { Period: "2020-01-15T00:00:00", Amount: 1250, Counterparty: "SVK" },
        { Period: "2020-02-20T00:00:00", Amount: 2500, Counterparty: "SVK" }
      ])
    });

    expect(result.entry_status).toBe("bridge_executed");
    expect(result.turn_input.turn_meaning_ref?.explicit_entity_candidates).toEqual(["SVK", "Группа СВК"]);
    expect(result.bridge?.bridge_status).toBe("answer_draft_ready");
    expect(result.bridge?.pilot.pilot_scope).toBe("counterparty_value_flow_query_movements_v1");
    expect(result.bridge?.pilot.derived_value_flow?.total_amount).toBe(3750);
    expect(result.bridge?.hot_runtime_wired).toBe(false);
    expect(result.reason_codes).toContain("mcp_discovery_unsupported_but_understood_turn");
  });

  it("runs the bridge for raw metadata wording without an exact route owner", async () => {
    const result = await runAssistantMcpDiscoveryRuntimeEntryPoint({
      userMessage: "какие документы и поля есть в 1С по НДС?",
      deps: buildMetadataDeps([
        {
          FullName: "Документ.СчетФактураВыданный",
          MetaType: "Документ",
          attributes: [{ Name: "Дата" }]
        }
      ])
    });

    expect(result.entry_status).toBe("bridge_executed");
    expect(result.discovery_attempted).toBe(true);
    expect(result.turn_input.semantic_data_need).toBe("1C metadata evidence");
    expect(result.turn_input.turn_meaning_ref).toMatchObject({
      asked_domain_family: "metadata",
      asked_action_family: "inspect_fields"
    });
    expect(result.bridge?.pilot.pilot_scope).toBe("metadata_inspection_v1");
    expect(result.bridge?.answer_draft.headline).toContain("метаданным 1С");
  });
});