# frozen_string_literal: true

module Reconciliation
  # Applies fixes to Dolibarr: marks invoices as paid using GoCardless payment data.
  class Fixer
    def initialize(client)
      @client = client
    end

    # Accepts an array of Engine::Match objects with flag GC_PAID_DOLIBARR_OPEN
    def apply(matches)
      return if matches.empty?

      gc_payment_id = ENV.fetch("DOLIBARR_GC_PAYMENT_ID", nil)&.to_i
      bank_id       = ENV.fetch("DOLIBARR_BANK_ACCOUNT_ID", "1").to_i

      if gc_payment_id.nil?
        warn "[Fixer] DOLIBARR_GC_PAYMENT_ID not set in .env — cannot fix. " \
             "Run: GET /setup/dictionary/payment_types to find the GoCardless payment type ID."
        return
      end

      puts ""
      puts "APPLYING FIXES (#{matches.size} invoices)..."

      matches.each do |m|
        inv = m.invoice
        pay = m.payment

        payload = {
          arrayofamounts: {
            inv.id.to_s => {
              amount:                "%.2f" % (inv.amount_cents / 100.0),
              multicurrency_amount: nil
            }
          },
          datepaye:          pay.charge_date.to_time.to_i,
          paymentid:         gc_payment_id,
          closepaidinvoices: "yes",
          accountid:         bank_id,
          num_payment:       pay.id,
          comment:           "GoCardless payment — auto-reconciled (#{pay.charge_date})"
        }

        begin
          @client.post("/invoices/paymentsdistributed", payload)
          puts "  ✓ Marked #{inv.ref} as paid (GC: #{pay.id})"
        rescue Dolibarr::Client::ValidationError => e
          puts "  ✗ #{inv.ref} — validation error: #{e.message}"
        rescue Dolibarr::Client::Error => e
          puts "  ✗ #{inv.ref} — API error: #{e.message}"
        end
      end
    end
  end
end