platform :ios, '16.0'

# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
ENV['COCOAPODS_DISABLE_STATS'] = 'true'

project 'Runner', {
  'Debug' => :debug,
  'Profile' => :release,
  'Release' => :release,
}

def flutter_root
  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__)
  unless File.exist?(generated_xcode_build_settings_path)
    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first"
  end

  File.foreach(generated_xcode_build_settings_path) do |line|
    matches = line.match(/FLUTTER_ROOT\=(.*)/)
    return matches[1].strip if matches
  end
  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get"
end

require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)

flutter_ios_podfile_setup

target 'Runner' do
  use_frameworks! :linkage => :static
  use_modular_headers!

  flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
  target 'RunnerTests' do
    inherit! :search_paths
  end
end

post_install do |installer|
  installer.pods_project.targets.each do |target|
    flutter_additional_ios_build_settings(target)

    if target.name == 'Runner'
      target.build_configurations.each do |config|
        # Force load TensorFlowLiteSelectTfOps only on device (no simulator slice)
        config.build_settings['OTHER_LDFLAGS[sdk=iphoneos*]'] ||= '$(inherited)'
        config.build_settings['OTHER_LDFLAGS[sdk=iphoneos*]'] += ' -force_load $(PODS_ROOT)/TensorFlowLiteSelectTfOps/Frameworks/TensorFlowLiteSelectTfOps.xcframework/ios-arm64/TensorFlowLiteSelectTfOps.framework/TensorFlowLiteSelectTfOps'
      end
    end
  end

  # Patch xcconfig files to exclude TensorFlowLiteSelectTfOps from simulator linking
  Dir.glob(File.join(installer.sandbox.root, 'Target Support Files', 'Pods-Runner', '*.xcconfig')).each do |xcconfig_path|
    content = File.read(xcconfig_path)
    if content.include?('-framework "TensorFlowLiteSelectTfOps"')
      # Remove from generic OTHER_LDFLAGS, keep it only for device via build setting
      content.gsub!('-framework "TensorFlowLiteSelectTfOps"', '')
      # Add device-only linking
      unless content.include?('OTHER_LDFLAGS[sdk=iphoneos*]')
        content += "\nOTHER_LDFLAGS[sdk=iphoneos*] = $(inherited) -framework \"TensorFlowLiteSelectTfOps\"\n"
      end
      File.write(xcconfig_path, content)
    end
  end
end
