import { type } from 'arktype'

export const MAX_TRANSACTION_AMOUNT = 1_000_000

export const transactionFormSchema = type({
  name: 'unknown',
  amount: 'unknown',
  payBy: 'unknown'
}).narrow((data, ctx) => {
  if (typeof data.name !== 'string' || data.name.trim().length === 0) {
    ctx.reject({ message: 'validation.transaction_name_required', path: ['name'] })
  }
  if (typeof data.amount !== 'number' || Number.isNaN(data.amount)) {
    ctx.reject({ message: 'validation.amount_required', path: ['amount'] })
  } else if (data.amount <= 0) {
    ctx.reject({ message: 'validation.amount_must_be_positive', path: ['amount'] })
  } else if (data.amount > MAX_TRANSACTION_AMOUNT) {
    ctx.reject({ message: 'validation.amount_too_large', path: ['amount'] })
  }
  if (typeof data.payBy !== 'string' || data.payBy.length === 0) {
    ctx.reject({ message: 'validation.pay_by_required', path: ['payBy'] })
  }
  return !ctx.hasError()
})