import { test } from 'node:test';
import assert from 'node:assert/strict';
import {
  formatLabel, formatStatus, formatTimeline, formatRange,
  formatBudget, formatBudgetBucket, vehicleName, formatDate, formatDateTime,
} from './format.js';

test('formatLabel replaces _ and - and title-cases', () => {
  assert.equal(formatLabel('contract_pending'), 'Contract Pending');
  assert.equal(formatLabel('in-progress'), 'In Progress');
  assert.equal(formatLabel(''), '');
  assert.equal(formatLabel(null), '');
});

test('formatLabel spaces letter→digit boundaries (SEV-362)', () => {
  assert.equal(formatLabel('level2'), 'Level 2');
  assert.equal(formatLabel('level1'), 'Level 1');
});

test('formatLabel applies acronym casing (SEV-362)', () => {
  assert.equal(formatLabel('dcfc'), 'DCFC');
  assert.equal(formatLabel('dc_fast'), 'DC Fast');
  assert.equal(formatLabel('keep_original_ac'), 'Keep Original A/C');
});

test('formatLabel leaves bare numeric ranges intact (SEV-362)', () => {
  assert.equal(formatLabel('100-150'), '100-150');
  assert.equal(formatLabel('200+'), '200+');
});

test('formatStatus is formatLabel', () => {
  assert.equal(formatStatus('matched'), 'Matched');
});

test('formatTimeline maps known slugs, falls back otherwise', () => {
  assert.equal(formatTimeline('6_to_12_months'), '6–12 months');
  assert.equal(formatTimeline('flexible'), 'Flexible');
  assert.equal(formatTimeline('something_else'), 'Something Else');
});

test('formatRange formats wizard range slugs (SEV-362)', () => {
  assert.equal(formatRange('150-200'), '150–200 mi');
  assert.equal(formatRange('100-150'), '100–150 mi');
  assert.equal(formatRange('200+'), '200+ mi');
  assert.equal(formatRange('200-plus'), '200+ mi');
  assert.equal(formatRange('250'), '250 mi');
  assert.equal(formatRange(''), '');
  assert.equal(formatRange(null), '');
});

test('formatBudget formats numeric dollar ranges (SEV-362)', () => {
  assert.equal(formatBudget(30000, 60000), '$30,000 – $60,000');
  assert.equal(formatBudget(30000, 0), '$30,000+');
  assert.equal(formatBudget(0, 60000), 'Up to $60,000');
  assert.equal(formatBudget(0, 0), 'Flexible');
  assert.equal(formatBudget(undefined, undefined), 'Flexible');
});

test('formatBudgetBucket keeps the wizard slug labels', () => {
  assert.equal(formatBudgetBucket('25k-50k'), '$25,000 – $50,000');
  assert.equal(formatBudgetBucket(''), '');
});

test('vehicleName handles commissioned and sparse vehicles', () => {
  assert.equal(vehicleName({ year: 1980, make: 'BMW', model: 'E30' }), '1980 BMW E30');
  assert.equal(vehicleName({ commissioned: true }), 'Commissioned build');
  assert.equal(vehicleName({}), 'Project');
  assert.equal(vehicleName({ make: 'BMW' }, 'Lead'), 'BMW');
  assert.equal(vehicleName(undefined), 'Project');
});

test('formatDate handles SQLite and RFC3339 timestamps (SEV-378)', () => {
  // SQLite "YYYY-MM-DD HH:MM:SS" (UTC)
  assert.equal(formatDate('2026-06-10 14:42:27'), 'Jun 10, 2026');
  // RFC3339
  assert.equal(formatDate('2026-06-10T14:42:27Z'), 'Jun 10, 2026');
  // falsy / invalid → ''
  assert.equal(formatDate(''), '');
  assert.equal(formatDate(null), '');
  assert.equal(formatDate('not a date'), '');
});

test('formatDateTime handles both formats + empties (SEV-378)', () => {
  assert.match(formatDateTime('2026-06-10 14:42:27'), /Jun 10, 2026/);
  assert.match(formatDateTime('2026-06-10T14:42:27Z'), /Jun 10, 2026/);
  assert.equal(formatDateTime(''), '');
  assert.equal(formatDateTime('garbage'), '');
});