#!/usr/bin/env ruby

require 'json'
require_relative './../../xrforge.rb'

# Check if a filename is provided
if ARGV.length != 1
  puts "Usage: #{$0} <path/to/experience/somefile.xxx>"
  exit 1
end

filename = ARGV[0]

begin
  # Read and parse the JSON file
  data = JSON.parse(File.read(filename))

  logfile = File.join( File.dirname(filename), ".xrforge/log.txt" )

  XRForge.log("✅ starting XR fragments check", logfile, true)

  # Extract the desired field (assuming the field is named 'model_file')
  thumb_file = data['image']
  XRForge.log("✅ thumbnail sidecar-file '#{thumb_file}' detected", logfile)
  
  # Get the base name of the thumbnail file without its extension
  base_name = File.basename(thumb_file, File.extname(thumb_file))
  
  model_file = nil # Initialize model_file to nil
  
  # Loop over the list of extensions
  XRForge::MODEL_EXT.each do |ext|
    # Construct the filename with the current extension
    filename = "#{base_name}#{ext}"
  
    # Check if the file exists
    if File.exist?(filename)
      XRForge.log("✅ 3D file '#{filename}' detected", logfile)
      model_file = filename # Store the found filename
      break # Stop the loop once a file is found
    else
      # Log a message for the file that was not found, but don't stop
      XRForge.log("⚠️ 3D file '#{filename}' not detected", logfile)
    end
  end
  
  # Check if a model file was found after the loop
  if model_file
    XRForge.log("✅ Final model file: '#{model_file}'", logfile)
  else
    XRForge.log("❌ No suitable 3D file found for XR Fragments-compatible experience", logfile)
  end

  # Construct the output filename
  output_file = "#{File.basename(model_file, File.extname(model_file))}.blend"

  # Execute the system call
  puts("assimp", model_file, output_file)
  system("assimp", model_file, output_file)

  XRForge.log(" ", logfile)

rescue Errno::ENOENT
  puts "File #{filename} not found"
rescue JSON::ParserError
  puts "Error parsing JSON from #{filename}"
rescue => e
  puts "An error occurred: #{e.message}"
end