import test from 'node:test';
import assert from 'node:assert/strict';
import { extractCdrFeedList, parseCdrFeedLinkNext, resolveCdrFeedNextPage } from '../services/cdrFeedParser.js';
import {
  cdrDedupKey,
  cdrStartTime,
  cdrCallingNumber,
} from '../services/cdrFeedParser.js';
import { filterCdrToWindow } from '../services/callReport/joinCallQuality.js';

test('extractCdrFeedList handles items array', () => {
  const rows = [{ id: 1 }, { id: 2 }];
  assert.deepEqual(extractCdrFeedList({ items: rows }), rows);
});

test('extractCdrFeedList handles numeric-keyed items object', () => {
  const rows = [{ id: 'a' }, { id: 'b' }];
  assert.deepEqual(extractCdrFeedList({ items: { 0: rows[0], 1: rows[1] } }), rows);
});

test('extractCdrFeedList handles top-level array', () => {
  const rows = [{ id: 1 }];
  assert.deepEqual(extractCdrFeedList(rows), rows);
});

test('extractCdrFeedList handles records alias', () => {
  const rows = [{ id: 1 }];
  assert.deepEqual(extractCdrFeedList({ records: rows }), rows);
});

test('cdrField reads report column labels', () => {
  const row = {
    'Report ID': 'abc-1',
    'Start time': '2026-07-23T14:00:00.000Z',
    'Calling number': '+15551234567',
    'Called number': '+12122194600',
    Duration: 42,
    Direction: 'Inbound',
  };
  assert.equal(cdrStartTime(row), '2026-07-23T14:00:00.000Z');
  assert.equal(cdrCallingNumber(row), '+15551234567');
  assert.equal(cdrDedupKey(row), 'id:abc-1');
});

test('cdrDedupKey keeps distinct report rows', () => {
  const a = { 'Report ID': '1', 'Start time': '2026-07-23T14:00:00.000Z' };
  const b = { 'Report ID': '2', 'Start time': '2026-07-23T15:00:00.000Z' };
  assert.notEqual(cdrDedupKey(a), cdrDedupKey(b));
});

test('filterCdrToWindow keeps API rows when start time is report-labeled', () => {
  const window = {
    startTime: '2026-07-23T13:00:00.000Z',
    endTime: '2026-07-24T01:00:00.000Z',
  };
  const rows = [
    { 'Start time': '2026-07-23T14:00:00.000Z', 'Report ID': '1' },
    { 'Start time': '2026-07-23T15:00:00.000Z', 'Report ID': '2' },
  ];
  assert.equal(filterCdrToWindow(rows, window).length, 2);
});

test('parseCdrFeedLinkNext reads rel=next from Link header', () => {
  const link = '<https://analytics-calling.webexapis.com/v1/cdr_feed?startTimeForNextFetch=2025-08-15T09:30:00.000Z&max=5000>; rel="next"';
  assert.equal(
    parseCdrFeedLinkNext(link),
    'https://analytics-calling.webexapis.com/v1/cdr_feed?startTimeForNextFetch=2025-08-15T09:30:00.000Z&max=5000',
  );
});

test('resolveCdrFeedNextPage prefers Link header over body token', () => {
  const baseUrl = 'https://analytics-calling.webexapis.com/v1/cdr_feed';
  const baseParams = { startTime: 'a', endTime: 'b', locations: 'Store 0782', max: 5000 };
  const next = resolveCdrFeedNextPage(
    { next: 'cursor-token' },
    { link: '<https://example.com/page2>; rel="next"' },
    baseUrl,
    baseParams,
  );
  assert.deepEqual(next, { url: 'https://example.com/page2', params: null });
});

test('resolveCdrFeedNextPage falls back to body next cursor', () => {
  const baseUrl = 'https://analytics-calling.webexapis.com/v1/cdr_feed';
  const baseParams = { startTime: 'a', endTime: 'b', locations: 'Store 0782', max: 5000 };
  const next = resolveCdrFeedNextPage({ next: 'cursor-token' }, {}, baseUrl, baseParams);
  assert.deepEqual(next, {
    url: baseUrl,
    params: { ...baseParams, next: 'cursor-token' },
  });
});