defmodule YspMessageAnalysisTest do
  @moduledoc """
  Test script for the enhanced YSP message analysis functionality.

  Usage:
  1. Start IEx: iex -S mix
  2. Load this module: c "test_analysis.exs"
  3. Run tests: YspMessageAnalysisTest.run_tests()
  """

  alias DaProductApp.Acquirer.YSP.{YspMessageFraming, YspProcessor}

  @your_hex_data "60007820000200723C478108C09206164854980600736740000000000000006800100512470700007512470710053105601100510000078200067820003935443435424631303442343132333435363731313233343536373839303132333435373834376666663838366663373133626531620264396632373031383039663130303730363031313230336130613830323966333730343166363135376264396633363032303335623935303530303830303430303030396130333235303931373963303130303966303230363030303030303030303030303566326130323033353638323032333830303966316130323033353639663033303630303030303030303030303039663333303365306530633839663334303334323033303039663335303132323966316530383332333333373333333033303330333138343037613030303030303030333130313039663039303230303936396634313034303030303033353139663236303834373732313533336161653835343265000630303030303101"

  def run_tests do
    IO.puts("=== YSP Enhanced Message Analysis Test ===\n")

    # Convert hex to binary
    binary_data = Base.decode16!(@your_hex_data)

    test_quick_summary(binary_data)
    IO.puts("\n" <> String.duplicate("=", 80) <> "\n")

    test_detailed_analysis(binary_data)
    IO.puts("\n" <> String.duplicate("=", 80) <> "\n")

    test_framed_message(binary_data)
    IO.puts("\n" <> String.duplicate("=", 80) <> "\n")

    test_compact_analysis(binary_data)

    :ok
  end

  defp test_quick_summary(binary_data) do
    IO.puts("🚀 TEST 1: Quick Message Summary")
    IO.puts("=" <> String.duplicate("-", 50))
    YspProcessor.print_message_summary(binary_data)
  end

  defp test_detailed_analysis(binary_data) do
    IO.puts("📊 TEST 2: Detailed Field Analysis")
    IO.puts("=" <> String.duplicate("-", 50))
    YspProcessor.analyze_message_fields(binary_data, show_raw: false)
  end

  defp test_framed_message(binary_data) do
    IO.puts("📦 TEST 3: YSP Framed Message Analysis")
    IO.puts("=" <> String.duplicate("-", 50))

    case YspMessageFraming.frame_message(binary_data) do
      {:ok, framed_data} ->
        IO.puts("✅ Message framed successfully!")
        IO.puts("Original size: #{byte_size(binary_data)} bytes")
        IO.puts("Framed size: #{byte_size(framed_data)} bytes")
        IO.puts("")
        YspProcessor.analyze_message_fields(framed_data, show_raw: false)

      {:error, reason} ->
        IO.puts("❌ Framing failed: #{inspect(reason)}")
    end
  end

  defp test_compact_analysis(binary_data) do
    IO.puts("🔍 TEST 4: Compact Analysis (for logs)")
    IO.puts("=" <> String.duplicate("-", 50))

    # Get analysis as string for logging
    analysis = YspProcessor.format_message_analysis(binary_data, show_raw: false)

    # Show first few lines
    lines = String.split(analysis, "\n")
    compact_lines = Enum.take(lines, 15)

    Enum.each(compact_lines, &IO.puts/1)

    if length(lines) > 15 do
      IO.puts("... (#{length(lines) - 15} more lines)")
    end

    IO.puts("\n📝 Analysis exported for logging/storage:")
    IO.puts("Total lines: #{length(lines)}")
    IO.puts("Character count: #{String.length(analysis)}")
  end

  def test_with_different_formats do
    IO.puts("=== Format Comparison Test ===\n")

    binary_data = Base.decode16!(@your_hex_data)

    formats = [:compact, :detailed, :breakdown]

    Enum.each(formats, fn format ->
      IO.puts("Format: #{format}")
      IO.puts(String.duplicate("-", 30))

      # Use the existing functions that work
      case format do
        :compact ->
          IO.puts(YspMessageFraming.format_iso_data_hex(binary_data, :compact))
        :detailed ->
          IO.puts(YspMessageFraming.format_iso_data_hex(binary_data, :detailed))
        :breakdown ->
          IO.puts(YspMessageFraming.format_iso_data_hex(binary_data, :breakdown))
      end

      IO.puts("\n")
    end)
  end

  def analyze_real_message do
    IO.puts("=== Real Message Analysis ===")
    IO.puts("Analyzing your actual hex data from logs...\n")

    binary_data = Base.decode16!(@your_hex_data)

    # Show basic info
    IO.puts("📊 Message Info:")
    IO.puts("  Size: #{byte_size(binary_data)} bytes")
    IO.puts("  Hex length: #{String.length(@your_hex_data)} characters")
    IO.puts("")

    # Try to extract basic structure
    if byte_size(binary_data) >= 4 do
      <<mti::binary-size(4), rest::binary>> = binary_data
      IO.puts("  MTI: #{mti}")
      IO.puts("  Remaining data: #{byte_size(rest)} bytes")

      if byte_size(rest) >= 8 do
        <<bitmap::binary-size(8), _fields::binary>> = rest
        bitmap_hex = Base.encode16(bitmap)
        IO.puts("  Primary Bitmap: #{bitmap_hex}")
      end
    end

    IO.puts("\n🔍 Full Analysis:")
    IO.puts(String.duplicate("-", 60))
    YspProcessor.print_message_summary(binary_data)
  end
end