import { test } from 'node:test'
import assert from 'node:assert/strict'

import { parseArgs, loadConfig } from '../src/config.mjs'

test('parseArgs handles long flags, =value and short flags', () => {
  const out = parseArgs(['--goal', 'g.json', '--iterations=7', '-C', '/tmp', '--no-color', '--dry-run'])
  assert.equal(out.goal, 'g.json')
  assert.equal(out.iterations, 7)
  assert.equal(out.project, '/tmp')
  assert.equal(out.color, false)
  assert.equal(out.dryRun, true)
})

test('parseArgs coerces numeric flags', () => {
  const out = parseArgs(['--port', '8123', '--context-warn-tokens', '90000'])
  assert.equal(out.port, 8123)
  assert.equal(out.contextWarnTokens, 90000)
})

test('parseArgs rejects unknown flags', () => {
  assert.throws(() => parseArgs(['--nope', '1']), /Unknown option/)
})

test('loadConfig requires a goal', () => {
  assert.throws(() => loadConfig(['--project', '/tmp']), /goal is required/i)
})

test('loadConfig validates session-mode and hitl', () => {
  assert.throws(() => loadConfig(['--goal-text', 'x', '--session-mode', 'wat']), /session-mode/)
  assert.throws(() => loadConfig(['--goal-text', 'x', '--hitl', 'wat']), /hitl/)
})