import { describe, it, expect } from 'vitest'
import { expandSnippetVariables } from '../../src/utils/snippetVariables'
import { applyKeywordHighlights, DEFAULT_KEYWORD_HIGHLIGHT_RULES } from '../../src/utils/keywordHighlight'

describe('expandSnippetVariables', () => {
  it('replaces known placeholders', () => {
    const out = expandSnippetVariables('ssh {{username}}@{{host}}:{{port}}', {
      username: 'root',
      host: '10.0.0.1',
      port: 22,
    })
    expect(out).toBe('ssh root@10.0.0.1:22')
  })

  it('uses default when missing', () => {
    const out = expandSnippetVariables('cd {{path:/tmp}}', {})
    expect(out).toBe('cd /tmp')
  })

  it('keeps unknown placeholders without default', () => {
    const out = expandSnippetVariables('echo {{unknown}}', {})
    expect(out).toBe('echo {{unknown}}')
  })
})

describe('applyKeywordHighlights', () => {
  it('highlights error keywords', () => {
    const out = applyKeywordHighlights('FATAL error happened', DEFAULT_KEYWORD_HIGHLIGHT_RULES)
    expect(out).toContain('\x1b[')
    expect(out).toContain('FATAL')
  })

  it('returns original when disabled rules only', () => {
    const rules = DEFAULT_KEYWORD_HIGHLIGHT_RULES.map((r) => ({ ...r, enabled: false }))
    const text = 'no highlight'
    expect(applyKeywordHighlights(text, rules)).toBe(text)
  })
})