/**
 * Candidates table mapper — score, stage, recruiter, rejected.
 *
 *   node candidates-table.test.mjs
 */
import { mkdtempSync, rmSync } from 'node:fs'
import { tmpdir } from 'node:os'
import { join } from 'node:path'
import { pathToFileURL } from 'node:url'

import esbuild from 'esbuild'

const outDir = mkdtempSync(join(tmpdir(), 'tf-cand-'))
const outFile = join(outDir, 'candidates.mjs')

await esbuild.build({
  entryPoints: ['src/api/candidates.js'],
  outfile: outFile,
  bundle: true,
  format: 'esm',
  platform: 'node',
  target: 'node20',
  logLevel: 'error',
  define: { 'import.meta.env': JSON.stringify({ VITE_API_BASE: '' }) },
})

const api = await import(pathToFileURL(outFile).href)
const { toApplicationListView } = api

let failed = 0
function ok(name, cond, extra) {
  if (cond) {
    console.log(`ok    ${name}`)
    if (extra) console.log(`        ${extra}`)
  } else {
    failed += 1
    console.log(`FAIL  ${name}`)
    if (extra) console.log(`        ${extra}`)
  }
}

const scored = toApplicationListView({
  inbox_id: 41,
  user_id: 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa',
  name: 'Ada Lovelace',
  email: 'ada@example.com',
  job_title: 'Backend Engineer',
  recruiter: 'Sam Recruiter',
  application_status: 'PENDING',
  ai_score: 88,
  recommendation: 'Strong Match',
  created_at: '2026-09-03T10:00:00Z',
  source: 'Email',
  is_active: true,
})

ok('row is application-keyed', scored.id === 'inbox:41', `id=${scored.id}`)
ok('keeps userId for profile navigation', scored.userId === 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa')
ok('job title comes through', scored.jobTitle === 'Backend Engineer')
ok('ATS score is numeric', scored.aiScore === 88)
ok('band is Strong Match', scored.recommendation === 'Strong Match')
ok('PENDING maps to Shortlist', scored.stage === 'Shortlist', `stage=${scored.stage}`)
ok('recruiter name is kept', scored.recruiter === 'Sam Recruiter')

const rejected = toApplicationListView({
  inbox_id: 42,
  user_id: 'bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb',
  name: 'Rejected Candidate',
  email: 'r@example.com',
  application_status: 'REJECTED',
  ai_score: 40,
  created_at: '2026-09-01T10:00:00Z',
})
ok('REJECTED maps to Rejected stage', rejected.stage === 'Rejected', `stage=${rejected.stage}`)
ok('CLOSED also reads as Rejected', toApplicationListView({
  inbox_id: 43, application_status: 'CLOSED', name: 'Closed',
}).stage === 'Rejected')

const hired = toApplicationListView({
  inbox_id: 44,
  application_status: 'HIRED',
  name: 'Hired Person',
  ai_score: 91,
})
ok('HIRED maps to Hired', hired.stage === 'Hired')

const unscored = toApplicationListView({
  manual_upload_candidate_id: 'cccccccc-cccc-cccc-cccc-cccccccccccc',
  user_id: 'dddddddd-dddd-dddd-dddd-dddddddddddd',
  name: 'No Score Yet',
  email: 'ns@example.com',
  assigned_job_post: { title: 'Brand Manager' },
  recruiter: null,
  application_status: 'SCREENING',
})
ok('manual row key', unscored.id === 'manual:cccccccc-cccc-cccc-cccc-cccccccccccc')
ok('job falls back to assigned post title', unscored.jobTitle === 'Brand Manager')
ok('missing score stays null, not 0', unscored.aiScore === null)
ok('unscored has no invented band', unscored.recommendation === null)
ok('SCREENING maps to Screening', unscored.stage === 'Screening')
ok('missing recruiter is null so the table can say Unassigned', unscored.recruiter === null)

const weak = toApplicationListView({
  inbox_id: 45,
  name: 'Weak',
  ai_score: 50,
})
ok('score without band derives Weak Match', weak.recommendation === 'Weak Match')

const potential = toApplicationListView({
  inbox_id: 46,
  name: 'Mid',
  ai_score: 70,
})
ok('65–81 derives Potential Match', potential.recommendation === 'Potential Match')

const enumStatus = toApplicationListView({
  inbox_id: 47,
  name: 'Enum',
  application_status: { value: 'OFFER' },
})
ok('enum-shaped status still maps', enumStatus.stage === 'Offer')

rmSync(outDir, { recursive: true, force: true })

if (failed) {
  console.log(`\n${failed} check(s) failed`)
  process.exit(1)
}
console.log('\nAll candidates-table mapper checks passed')