/**
 * Verifies the amoCRM connection and prints what the integration will do with
 * your account: which pipeline stage leads land in, and which of your custom
 * fields the lead form's data was matched to.
 *
 *   npm run amo:check
 */
import { AmoClient } from '../server/src/amocrm.ts'
import { readAmoConfig } from '../server/src/config.ts'
import { resolveLeadFieldMap } from '../server/src/lead-mapper.ts'

const config = readAmoConfig()
if (!config) {
  console.error('✗ AMO_SUBDOMAIN and AMO_LONG_LIVED_TOKEN must be set in .env')
  process.exit(1)
}

const amo = new AmoClient(config)

console.info(`→ ${config.baseUrl}\n`)

const account = await amo.getAccount()
console.info(`✓ Account: ${account?.name} (id ${account?.id})`)

const pipeline = await amo.getPipeline(config.pipelineId)
if (!pipeline) {
  console.error(`✗ Pipeline ${config.pipelineId} not found in this account.`)
  process.exit(1)
}

const stages = [...(pipeline._embedded?.statuses ?? [])].sort((a, b) => a.sort - b.sort)
console.info(`✓ Pipeline ${pipeline.id}: «${pipeline.name}»`)
console.info(`  Leads will be created in the first stage: «${stages[0]?.name ?? 'unknown'}»`)
console.info(`  All stages: ${stages.map((s) => s.name).join(' → ')}\n`)

const leadFields = await amo.getLeadFields()
const map = resolveLeadFieldMap(leadFields)

console.info(`Lead data → amoCRM field mapping (${leadFields.length} custom fields in the account):`)
const keys = [
  'company',
  'city',
  'club_format',
  'configuration',
  'comment',
  'page',
  'referrer',
  'form',
  'utm_source',
  'utm_medium',
  'utm_campaign',
  'utm_content',
  'utm_term',
]
for (const key of keys) {
  const field = map.get(key)
  console.info(
    field
      ? `  ✓ ${key.padEnd(14)} → «${field.name}» (id ${field.id}, ${field.type})`
      : `  · ${key.padEnd(14)} → note on the lead`,
  )
}

const contactFields = await amo.getContactFields()
const hasPhone = contactFields.some((f) => f.code === 'PHONE')
const hasEmail = contactFields.some((f) => f.code === 'EMAIL')
console.info(`\nContact fields: PHONE ${hasPhone ? '✓' : '✗ missing'}, EMAIL ${hasEmail ? '✓' : '✗ missing'}`)
console.info('\nAll good — the form is ready to create leads.')