Rakefile

# frozen_string_literal: true

require 'bundler/gem_tasks'
require 'fileutils'

begin
  require 'rspec/core/rake_task'
  RSpec::Core::RakeTask.new(:spec)
rescue LoadError
  # RSpec not available, skip test tasks
  desc 'Run tests (requires rspec gem)'
  task :spec do
    puts 'RSpec not available. Install with: gem install rspec'
  end
end

desc 'Download pre-built C library binary from GitHub releases'
task :download_binary do
  require_relative 'lib/jsonstructure/binary_installer'
  installer = JsonStructure::BinaryInstaller.new
  installer.install
end

desc 'Build the C library locally (for development only)'
task :build_c_lib_local do
  puts 'Building C library locally...'
  c_dir = File.expand_path('../c', __dir__)
  
  unless Dir.exist?(c_dir)
    puts 'C library source not found. Skipping local build.'
    puts 'This is normal when installing from a gem.'
    next
  end
  
  build_dir = File.join(c_dir, 'build')
  Dir.mkdir(build_dir) unless Dir.exist?(build_dir)

  Dir.chdir(build_dir) do
    system('cmake', '..', '-DCMAKE_BUILD_TYPE=Release', '-DJS_BUILD_SHARED=ON', '-DJS_BUILD_TESTS=OFF', '-DJS_BUILD_EXAMPLES=OFF') || raise('CMake configuration failed')
    system('cmake', '--build', '.') || raise('Build failed')
  end

  # Copy to ext directory
  ext_dir = File.expand_path('ext', __dir__)
  FileUtils.mkdir_p(ext_dir)
  
  lib_name = case RbConfig::CONFIG['host_os']
             when /darwin|mac os/
               'libjson_structure.dylib'
             when /mswin|msys|mingw|cygwin|bccwin|wince|emc/
               'json_structure.dll'
             else
               'libjson_structure.so'
             end
  
  src = File.join(build_dir, lib_name)
  dst = File.join(ext_dir, lib_name)
  FileUtils.cp(src, dst) if File.exist?(src)
  
  puts 'C library built successfully!'
end

desc 'Run tests (downloads binary first if needed, falls back to local build for development)'
task :test do
  # Try to download binary first
  begin
    Rake::Task[:download_binary].invoke
  rescue StandardError => e
    puts "Binary download failed: #{e.message}"
    puts "Attempting local build for development..."
    begin
      Rake::Task[:build_c_lib_local].invoke
    rescue StandardError => build_error
      puts "Local build also failed: #{build_error.message}"
      raise "Cannot obtain C library binary. Please check the error messages above."
    end
  end
  
  Rake::Task[:spec].invoke
end

task default: :test