import { describe, expect, test } from "bun:test";

import { applyExportMask } from "./export-mask";
import { parseMeExportRequestBody } from "./me-export-request-body";

describe("parseMeExportRequestBody", () => {
  test("maskPolicy defaults to masked", () => {
    expect(parseMeExportRequestBody({})).toEqual({ maskPolicy: "masked" });
    expect(parseMeExportRequestBody({ maskPolicy: undefined })).toEqual({ maskPolicy: "masked" });
  });

  test("invalid maskPolicy throws 400", () => {
    try {
      parseMeExportRequestBody({ maskPolicy: "invalid-policy" });
      expect.unreachable();
    } catch (e: unknown) {
      expect(e).toMatchObject({ statusCode: 400 });
    }
  });
});

describe("applyExportMask", () => {
  test("never-export fields are excluded", () => {
    const input = {
      nickname: "dash",
      passwordHash: "hash",
      resetToken: "rst",
      sessionId: "sid",
      apiKey: "k",
      accessToken: "token",
      tokenCount: 3,
    };

    expect(applyExportMask(input, "raw")).toEqual({
      nickname: "dash",
      tokenCount: 3,
    });
  });

  test("never-export fields match case and underscore variants", () => {
    const input = {
      nickname: "dash",
      Access_Token: "token",
      SESSION_ID: "sid",
    };

    expect(applyExportMask(input, "raw")).toEqual({
      nickname: "dash",
    });
  });

  test("raw policy still filters resetToken/apiKey and naming variants", () => {
    const input = {
      nickname: "dash",
      resetToken: "rst-1",
      reset_token: "rst-2",
      resetPasswordToken: "rst-3",
      apiKey: "key-1",
      API_KEY: "key-2",
      email: "dash@example.com",
    };

    expect(applyExportMask(input, "raw")).toEqual({
      nickname: "dash",
      email: "dash@example.com",
    });
  });

  test("masked policy masks email and phone fields", () => {
    const input = {
      nickname: "dash",
      email: "dash@example.com",
      phone: "13800138000",
    };

    expect(applyExportMask(input, "masked")).toEqual({
      nickname: "dash",
      email: "***",
      phone: "***",
    });
  });
});