import { describe, expect, it } from "vitest";
import {
  buildConversationExportForCopy,
  sanitizeConversationExportText,
  type ConversationExportItem
} from "../../frontend/src/utils/conversationExport";

function buildConversation(): ConversationExportItem[] {
  return [
    {
      message_id: "m-user-1",
      role: "user",
      text: "Почему не закрывается РБП за июль?",
      reply_type: null,
      created_at: "2026-03-28T18:00:00.000Z",
      trace_id: null,
      debug: null
    },
    {
      message_id: "m-asst-1",
      role: "assistant",
      text: [
        "Коротко: есть признаки неполного списания РБП.",
        "",
        "### debug_payload_json",
        "```json",
        "{\"route_summary\":\"hybrid_store_plus_live\",\"domain_scope\":[\"deferred_expense\"]}",
        "```"
      ].join("\n"),
      reply_type: "partial_coverage",
      created_at: "2026-03-28T18:00:05.000Z",
      trace_id: "tr-1",
      debug: {
        route_summary: "hybrid_store_plus_live",
        coverage_report: { requirements_covered: 0 }
      }
    }
  ];
}

describe("conversation export regression", () => {
  it("default export excludes debug payload sections and keeps user-facing text", () => {
    const exportText = buildConversationExportForCopy("sess-1", buildConversation(), "default");

    expect(exportText).toContain("export_mode: default");
    expect(exportText).toContain("Коротко: есть признаки неполного списания РБП.");
    expect(exportText).not.toContain("### debug_payload_json");
    expect(exportText).not.toContain("### technical_debug_payload_json");
    expect(exportText).not.toContain("coverage_report");
    expect(exportText).not.toContain("domain_scope");
    expect(exportText).not.toContain("route_summary");
  });

  it("technical export includes debug payload in dedicated section only", () => {
    const exportText = buildConversationExportForCopy("sess-1", buildConversation(), "technical");

    expect(exportText).toContain("export_mode: technical");
    expect(exportText).toContain("### technical_debug_payload_json");
    expect(exportText).toContain("\"route_summary\": \"hybrid_store_plus_live\"");
    expect(exportText).not.toContain("### debug_payload_json");
  });

  it("sanitizeConversationExportText removes technical tails", () => {
    const source = [
      "Ответ для пользователя.",
      "domain_scope: [vat_flow]",
      "coverage_report: {...}",
      "### technical_breakdown_json",
      "```json",
      "{\"internal\":\"yes\"}",
      "```"
    ].join("\n");

    const sanitized = sanitizeConversationExportText(source);
    expect(sanitized).toContain("Ответ для пользователя.");
    expect(sanitized).not.toContain("domain_scope");
    expect(sanitized).not.toContain("coverage_report");
    expect(sanitized).not.toContain("technical_breakdown_json");
    expect(sanitized).not.toContain("internal");
  });
});