#!/usr/bin/env elixir

# Test the terminal_id field access fix
Code.prepend_path("lib")

require Logger
Logger.configure(level: :info)

# Create a mock AcquirerTerminal struct to verify field access
defmodule MockAcquirerTerminal do
  defstruct [
    :id, :tid, :mid, :acquirer_id, :terminal_name, :terminal_type,
    :terminal_location, :currency_code, :country_code, :mcc_code,
    :nii, :fiid, :application_type, :current_batch_no, :batch_date,
    :batch_time, :max_batch_size, :auto_settlement, :settlement_time,
    :key_set_id, :pin_key, :mac_key, :data_key, :max_transaction_amount,
    :daily_limit_amount, :daily_transaction_count, :max_daily_transactions,
    :status, :last_settlement_date, :last_settlement_time, :last_logon_date,
    :last_logon_time, :supports_emv, :supports_contactless, :supports_pin,
    :supports_signature, :supports_cash_back, :supports_tip,
    :supports_partial_auth, :network_config, :metadata, :created_by,
    :updated_by, :inserted_at, :updated_at
  ]
end

IO.puts("=== Testing Terminal Field Access Fix ===")

# Create mock terminal config matching the error structure
terminal_config = %MockAcquirerTerminal{
  id: 1,
  tid: "12345671",         # This is the correct field name
  mid: "123456789012345",  # This is the correct field name
  acquirer_id: 1,
  terminal_name: "YSP Test Terminal",
  terminal_type: "POS",
  terminal_location: "Test Location",
  currency_code: "840",
  country_code: "840",
  mcc_code: "5999",
  nii: "000",
  fiid: "12345678901",
  application_type: "01",
  current_batch_no: "000001",
  batch_date: "20250924",
  batch_time: "120000",
  max_batch_size: 1000,
  auto_settlement: true,
  settlement_time: "2359",
  key_set_id: "KEY_SET_01",
  status: "ACTIVE"
}

IO.puts("\n1. Testing correct field access:")
IO.puts("terminal_config.tid: #{inspect(terminal_config.tid)}")
IO.puts("terminal_config.mid: #{inspect(terminal_config.mid)}")

IO.puts("\n2. Testing if incorrect field access would fail:")
try do
  _ = terminal_config.terminal_id
  IO.puts("❌ ERROR: terminal_config.terminal_id should not exist!")
rescue
  KeyError ->
    IO.puts("✅ CORRECT: terminal_config.terminal_id raises KeyError as expected")
end

try do
  _ = terminal_config.merchant_id
  IO.puts("❌ ERROR: terminal_config.merchant_id should not exist!")
rescue
  KeyError ->
    IO.puts("✅ CORRECT: terminal_config.merchant_id raises KeyError as expected")
end

IO.puts("\n3. Testing transaction parameter creation:")
temp_txn_params = %{
  "terminal_id" => terminal_config.tid,   # Fixed: using 'tid' instead of 'terminal_id'
  "merchant_id" => terminal_config.mid    # Fixed: using 'mid' instead of 'merchant_id'
}

IO.puts("✅ Transaction params created successfully: #{inspect(temp_txn_params)}")

IO.puts("\n4. Field mapping summary:")
IO.puts("AcquirerTerminal.tid → temp_txn_params[\"terminal_id\"]")
IO.puts("AcquirerTerminal.mid → temp_txn_params[\"merchant_id\"]")

IO.puts("\n=== Fix Verification Complete ===")
IO.puts("The KeyError should now be resolved!")