import { describe, it, expect, vi } from 'vitest';
import React from 'react';
import { render, screen, fireEvent } from '@testing-library/react';
import {
  generateRideGpx,
  generateRideCsv,
  synthesizeTelemetryTrack,
  analyzeCorners,
} from '../lib/telemetry-export';
import { WebTelemetryReplayModal } from '../components/web-telemetry-replay-modal';
import { Ride } from '../components/app-cloud-data';

const mockRide: Ride = {
  id: 'ride_unit_test_123',
  startedAt: new Date('2026-09-28T14:30:00Z'),
  endedAt: new Date('2026-09-28T15:15:00Z'),
  distanceMiles: 24.8,
  topSpeedMph: 86.4,
  averageSpeed: 48.2,
  maxLeanLeft: 42.1,
  maxLeanRight: 39.5,
  maxAccelG: 0.72,
  maxBrakingG: 0.95,
  movingTime: 1850,
  elevationGain: 1240,
  qualityScore: 98,
  motorcycle: '2024 Yamaha YZF-R6',
};

describe('Web Telemetry Replay & Export (WEB-23)', () => {
  it('synthesizes realistic 20 Hz telemetry points matching ride bounds', () => {
    const points = synthesizeTelemetryTrack(mockRide);
    expect(points.length).toBeGreaterThan(50);

    // Verify properties exist and have valid numerical ranges
    const first = points[0];
    expect(first.timestamp).toBeDefined();
    expect(first.latitude).toBeGreaterThan(30);
    expect(first.longitude).toBeLessThan(-80);
    expect(first.speed).toBeGreaterThanOrEqual(0);
    expect(first.leanAngle).toBeDefined();
    expect(first.longitudinalG).toBeDefined();
    expect(first.lateralG).toBeDefined();
  });

  it('generates valid GPX 1.1 with trackpoints, elevation, speed, and lean extensions', () => {
    const points = synthesizeTelemetryTrack(mockRide);
    const gpx = generateRideGpx(mockRide, points);

    expect(gpx).toContain('<?xml version="1.0" encoding="UTF-8"?>');
    expect(gpx).toContain('<gpx version="1.1" creator="MotorSignal"');
    expect(gpx).toContain('<trk>');
    expect(gpx).toContain('<trkseg>');
    expect(gpx).toContain('<trkpt lat=');
    expect(gpx).toContain('<ele>');
    expect(gpx).toContain('<extensions>');
    expect(gpx).toContain('<speed>');
    expect(gpx).toContain('<lean>');
  });

  it('generates compliant 20 Hz CSV matching ExportService format', () => {
    const points = synthesizeTelemetryTrack(mockRide);
    const csv = generateRideCsv(mockRide, points);

    const lines = csv.split('\n');
    expect(lines[0]).toBe(
      'timestamp,latitude,longitude,altitude,speed,heading,gpsAccuracy,leanAngle,pitchAngle,accelX,accelY,accelZ,longitudinalG,lateralG'
    );
    expect(lines.length).toBe(points.length + 1);

    // Inspect first sample row
    const firstRowCols = lines[1].split(',');
    expect(firstRowCols.length).toBe(14);
  });

  it('analyzes corners and grades apex performance correctly', () => {
    const points = synthesizeTelemetryTrack(mockRide);
    const corners = analyzeCorners(points);

    expect(Array.isArray(corners)).toBe(true);
    if (corners.length > 0) {
      const c = corners[0];
      expect(c.direction).toMatch(/Left|Right/);
      expect(c.entrySpeed).toBeGreaterThan(0);
      expect(c.apexSpeed).toBeGreaterThan(0);
      expect(c.apexLeanAngle).toBeGreaterThan(15);
      expect(['A+', 'A', 'B', 'C', 'D']).toContain(c.grade);
    }
  });

  it('renders WebTelemetryReplayModal with HUD gauges, transport controls, and export buttons', () => {
    const onClose = vi.fn();
    render(<WebTelemetryReplayModal ride={mockRide} onClose={onClose} />);

    // Check title and metrics
    expect(screen.getByText('TELEMETRY FORENSIC REPLAY')).toBeDefined();
    expect(screen.getByText(/2024 Yamaha YZF-R6/)).toBeDefined();

    // Check HUD stats
    expect(screen.getByText('VEHICLE SPEED')).toBeDefined();
    expect(screen.getByText('LEAN ANGLE')).toBeDefined();
    expect(screen.getByText('G-FORCE DYNAMICS')).toBeDefined();
    expect(screen.getByText('ALTITUDE & TIME')).toBeDefined();

    // Check buttons
    expect(screen.getByTestId('export-gpx-btn')).toBeDefined();
    expect(screen.getByTestId('export-csv-btn')).toBeDefined();
    expect(screen.getByTestId('play-pause-btn')).toBeDefined();
    expect(screen.getByTestId('replay-timeline-slider')).toBeDefined();

    // Check tabs
    expect(screen.getByTestId('tab-map-replay')).toBeDefined();
    expect(screen.getByTestId('tab-corner-grading')).toBeDefined();

    // Switch to Corner Apex Grading tab
    fireEvent.click(screen.getByTestId('tab-corner-grading'));
    expect(screen.getByText('Corner')).toBeDefined();
    expect(screen.getByText('Apex Lean')).toBeDefined();
    expect(screen.getByText('Grade')).toBeDefined();

    // Close modal
    fireEvent.click(screen.getByTestId('close-replay-modal'));
    expect(onClose).toHaveBeenCalled();
  });
});