import { describe, expect, it } from "vitest";
import { buildAssistantMcpDiscoveryResponseCandidate } from "../src/services/assistantMcpDiscoveryResponseCandidate";

function entryPoint(overrides: Record<string, unknown> = {}) {
  return {
    schema_version: "assistant_mcp_discovery_runtime_entry_point_v1",
    policy_owner: "assistantMcpDiscoveryRuntimeEntryPoint",
    entry_status: "bridge_executed",
    hot_runtime_wired: false,
    discovery_attempted: true,
    turn_input: { adapter_status: "ready" },
    bridge: {
      bridge_status: "answer_draft_ready",
      user_facing_response_allowed: true,
      business_fact_answer_allowed: true,
      requires_user_clarification: false,
      answer_draft: {
        answer_mode: "confirmed_with_bounded_inference",
        headline: "По данным 1С есть подтвержденная активность; длительность можно оценивать только как вывод.",
        confirmed_lines: ["1C activity rows were found for counterparty SVK"],
        inference_lines: ["Business activity duration may be inferred from first and latest confirmed 1C activity rows"],
        unknown_lines: ["Legal registration date is not proven by this MCP discovery pilot"],
        limitation_lines: ["query_documents was skipped internally", "MCP fetch window was limited"],
        next_step_line: null
      }
    },
    reason_codes: ["runtime_entry_point_bridge_executed"],
    ...overrides
  } as any;
}

describe("assistant MCP discovery response candidate", () => {
  it("builds a Russian guarded candidate from a confirmed discovery draft", () => {
    const candidate = buildAssistantMcpDiscoveryResponseCandidate(entryPoint());

    expect(candidate.candidate_status).toBe("ready_for_guarded_use");
    expect(candidate.hot_runtime_wired).toBe(false);
    expect(candidate.reply_type).toBe("partial_coverage");
    expect(candidate.eligible_for_future_hot_runtime).toBe(true);
    expect(candidate.reply_text).toContain("Коротко:");
    expect(candidate.reply_text).toContain("В 1С найдены строки активности по контрагенту SVK.");
    expect(candidate.reply_text).toContain("Юридическая дата регистрации этим поиском не подтверждена.");
    expect(candidate.reply_text).not.toContain("query_documents");
    expect(candidate.reply_text).not.toContain("primitive");
  });

  it("returns not applicable when discovery was skipped for an exact supported route", () => {
    const candidate = buildAssistantMcpDiscoveryResponseCandidate({
      schema_version: "assistant_mcp_discovery_runtime_entry_point_v1",
      policy_owner: "assistantMcpDiscoveryRuntimeEntryPoint",
      entry_status: "skipped_not_applicable",
      hot_runtime_wired: false,
      discovery_attempted: false,
      turn_input: { adapter_status: "not_applicable" },
      bridge: null,
      reason_codes: []
    } as any);

    expect(candidate.candidate_status).toBe("not_applicable");
    expect(candidate.reply_text).toBeNull();
    expect(candidate.eligible_for_future_hot_runtime).toBe(false);
  });

  it("creates a clarification candidate from a clarification bridge", () => {
    const candidate = buildAssistantMcpDiscoveryResponseCandidate(
      entryPoint({
        bridge: {
          bridge_status: "needs_clarification",
          user_facing_response_allowed: true,
          business_fact_answer_allowed: false,
          requires_user_clarification: true,
          answer_draft: {
            answer_mode: "needs_clarification",
            headline: "Нужно уточнить контекст перед поиском в 1С.",
            confirmed_lines: [],
            inference_lines: [],
            unknown_lines: [],
            limitation_lines: [],
            next_step_line: "Уточните контрагента, период или организацию."
          }
        }
      })
    );

    expect(candidate.candidate_status).toBe("clarification_candidate");
    expect(candidate.reply_type).toBe("clarification_required");
    expect(candidate.reply_text).toContain("Нужно уточнить контекст");
    expect(candidate.eligible_for_future_hot_runtime).toBe(true);
  });

  it("does not expose unsupported bridge output as a future hot candidate", () => {
    const candidate = buildAssistantMcpDiscoveryResponseCandidate(
      entryPoint({
        bridge: {
          bridge_status: "unsupported",
          user_facing_response_allowed: true,
          business_fact_answer_allowed: false,
          requires_user_clarification: false,
          answer_draft: null
        }
      })
    );

    expect(candidate.candidate_status).toBe("unsupported");
    expect(candidate.reply_type).toBe("no_grounded_answer");
    expect(candidate.reply_text).toBeNull();
    expect(candidate.eligible_for_future_hot_runtime).toBe(false);
  });
});