const test = require('node:test')
const assert = require('node:assert/strict')
const fs = require('node:fs')
const path = require('node:path')

const root = path.resolve(__dirname, '..', '..')
const read = (...segments) => fs.readFileSync(path.join(root, ...segments), 'utf8')

test('referral attribution model is a single runtime source with schema surface', () => {
  const runtime = read('src', 'Settings', 'CreditsRuntime.php')
  const attribution = read('src', 'Payment', 'ReferralAttribution.php')
  const phpSchema = read('src', 'Admin', 'Schema', 'SchemaPayment.php')
  const jsSchema = read('assets', 'admin', 'src', 'schema', 'sections', 'payment', 'affiliate.js')

  // 运行时：唯一枚举与默认值。
  assert.match(runtime, /referral_attribution_model/)
  assert.match(runtime, /\['first_touch', 'last_touch'\]/)
  assert.match(runtime, /'attribution_model' => \$attribution/)

  // 归因行为：capture 末触覆盖、首触保持；注册仲裁按模式取优先方。
  assert.match(attribution, /\$this->attribution_model\(\) !== 'last_touch'/)
  assert.match(attribution, /!?\(\$last_touch && \$submitted_valid\)/)
  assert.match(attribution, /已按最近访问的推广关系绑定/)
  assert.match(attribution, /已按首次访问的推广关系绑定/)

  // 管理端双 schema 同步暴露该字段。
  for (const schema of [phpSchema, jsSchema]) {
    assert.match(schema, /referral_attribution_model/)
    assert.match(schema, /first_touch/)
    assert.match(schema, /last_touch/)
  }
})

test('disabled-code stop-commission switch is wired end to end', () => {
  const runtime = read('src', 'Settings', 'PaymentRuntime.php')
  const ledger = read('src', 'Payment', 'CommissionLedger.php')
  const attribution = read('src', 'Payment', 'ReferralAttribution.php')
  const phpSchema = read('src', 'Admin', 'Schema', 'SchemaPayment.php')
  const jsSchema = read('assets', 'admin', 'src', 'schema', 'sections', 'payment', 'affiliate.js')

  assert.match(runtime, /'disabled_code_stops_commission' => !empty\(\$settings\['affiliate_disabled_code_stops_commission'\]\)/)
  // 记账入口必须在 resolve 推广人之后、写 ledger 之前校验推广码状态。
  assert.match(ledger, /ReferralAttribution::get_instance\(\)->resolve\(\$buyer\)/)
  assert.match(ledger, /is_promoter_code_active\(\$promoter\)/)
  assert.ok(
    ledger.indexOf('is_promoter_code_active($promoter)') < ledger.indexOf('$wpdb->insert($table'),
    'disabled-code gate must run before the ledger insert'
  )
  assert.match(attribution, /public function is_promoter_code_active\(int \$promoter_id\): bool/)
  for (const schema of [phpSchema, jsSchema]) {
    assert.match(schema, /affiliate_disabled_code_stops_commission/)
  }
})

test('commission base is the discounted payable amount, not the list price', () => {
  // 下单侧：content 订单金额取优惠链（推广让利 + 优惠券）后的应付净额。
  const payOrders = read('src', 'Content', 'PayOrders.php')
  assert.match(payOrders, /\$amount_minor = max\(0, \(int\) \(\$discounted\['payable_minor'\] \?\? 0\)\)/)
  // 记账侧：佣金基数直接取订单实付金额。
  const ledger = read('src', 'Payment', 'CommissionLedger.php')
  assert.match(ledger, /AssetAmount::balance\(is_string\(\$order\['amount'\] \?\? null\) \? \$order\['amount'\] : ''\)/)
})

test('commission is credited immediately with no settlement freeze', () => {
  const ledger = read('src', 'Payment', 'CommissionLedger.php')
  const attribution = read('src', 'Payment', 'ReferralAttribution.php')

  // 懒结算兜底已移除：读路径不得顺带写库（收益页打开慢的主因）。
  assert.doesNotMatch(ledger, /lazy_settle_due|\$lazy_settled/)
  assert.doesNotMatch(ledger, /\$this->lazy_settle_due\(\)/)
  assert.doesNotMatch(attribution, /lazy_settle_due/)
  assert.doesNotMatch(attribution, /->stats\(/)

  // 即时入账模型：不再有结算冻结期 / 结算 cron / settle_due 方法。
  assert.doesNotMatch(ledger, /aksrt_affiliate_settle_due'?, \[\$this, 'settle_due'\]/)
  assert.doesNotMatch(ledger, /wp_schedule_event\([^)]*aksrt_affiliate_settle_due/)
  assert.doesNotMatch(ledger, /function settle_due|function settle_one/)
  assert.doesNotMatch(ledger, /available_at|settled_at/)
  // 遗留结算 cron 需在 init() 主动清理。
  assert.match(ledger, /wp_unschedule_event\([^)]*aksrt_affiliate_settle_due/)

  // 下单支付即把佣金 credit 到 COMMISSION 资金池。
  assert.match(ledger, /AssetType::COMMISSION/)
  assert.match(ledger, /private function credit_commission/)
  // 佣金明细行状态为 credited（非 pending 冻结）。
  assert.match(ledger, /'status'\s*=>\s*'credited'/)
})

test('referral codes are self-serve: no admin ops page, granted at registration', () => {
  const service = read('src', 'Payment', 'ReferralAttribution.php')
  // 管理端代码已清理：无 /revenue/codes 路由、无后台增删改接口、无管理列表。
  assert.doesNotMatch(service, /revenue\/codes/)
  assert.doesNotMatch(service, /rest_mutate_code|rest_codes|can_manage_codes|private function list_codes/)
  // 注册即得唯一推广码：bind_registered_user 内调用 generate_code，不依赖归因开关。
  assert.match(service, /public function bind_registered_user\(int \$invitee_id\): void \{\s*\n\s*\/\/ 每个新用户注册即拥有唯一推广码[\s\S]*?\$this->generate_code\(\$invitee_id, false\)/)

  // 用户菜单不再挂"推广码运营"页，trait 文件已删除。
  const menus = read('src', 'Admin', 'Native', 'UsersMenus.php')
  assert.doesNotMatch(menus, /UsersMenusReferral|aksrt_referral_codes|render_referral_codes_page/)
  assert.equal(fs.existsSync(path.join(root, 'src', 'Admin', 'Native', 'UsersMenusReferral.php')), false)

  // admin SPA 不再保留跳转路由。
  const router = read('assets', 'admin', 'src', 'router', 'index.js')
  assert.doesNotMatch(router, /referral-codes/)
})