import { describe, it, expect } from 'vitest'
import { formatCaseForCopy, formatThreadForCopy } from '../advisor/copy'
import type { AdvisorResponse } from '../advisor/contract'

const answer: AdvisorResponse = {
  mode: 'answer',
  question: 'CRA Meldefrist',
  clarity: { is_underspecified: false, concentration: 0.9 },
  general_answer: null,
  answer: 'Unverzüglich melden [1].',
  scoped_query: 'cyber',
  evidence: [{ evidence_id: 'e1', document: 'CRA', section: 'Art. 14', paragraph: 'Abs. 1', url: 'https://x' }],
  citations: [],
  visual_evidence: [],
  footnotes: [{ footnote_id: 'f1', ref: 'Fußnote 3', document: 'EDPB', section: 'Kap III', text: 'Detail' }],
}

const clarify: AdvisorResponse = {
  mode: 'clarify',
  question: 'Was ist PDCA?',
  clarity: { is_underspecified: true, concentration: 0.3 },
  general_answer: 'PDCA = Plan-Do-Check-Act.',
  answer: null,
  scoped_query: null,
  evidence: [],
  citations: [],
  visual_evidence: [],
  footnotes: [],
}

describe('formatCaseForCopy', () => {
  it('includes question, answer, resolved evidence and footnotes', () => {
    const s = formatCaseForCopy({ question: 'CRA Meldefrist', response: answer })
    expect(s).toContain('### Frage\nCRA Meldefrist')
    expect(s).toContain('### Antwort\nUnverzüglich melden [1].')
    expect(s).toContain('### Belege')
    expect(s).toContain('Cyber Resilience Act (CRA), Art. 14 Abs. 1 (https://x)')
    expect(s).toContain('### Fußnoten')
    expect(s).toContain('Fußnote 3 — EDPB / Kap III: Detail')
  })

  it('falls back to the general definition for a clarify case', () => {
    const s = formatCaseForCopy({ question: 'Was ist PDCA?', response: clarify })
    expect(s).toContain('### Antwort\nPDCA = Plan-Do-Check-Act.')
    expect(s).not.toContain('### Belege')
  })

  it('handles a case without a response', () => {
    const s = formatCaseForCopy({ question: 'offen', response: null })
    expect(s).toContain('### Antwort\n(keine Antwort)')
  })
})

describe('formatThreadForCopy', () => {
  it('renders a title heading + every case separated by a rule', () => {
    const s = formatThreadForCopy('CRA Meldefrist', [
      { question: 'CRA Meldefrist', response: answer },
      { question: 'Und für KMU?', response: clarify },
    ])
    expect(s.startsWith('# CRA Meldefrist')).toBe(true)
    expect(s).toContain('\n---\n')
    expect(s).toContain('CRA Meldefrist')
    expect(s).toContain('Und für KMU?')
  })
})