# Uncomment this line to define a global platform for your project
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!

  target 'RunnerUITests' do
    inherit! :complete
  end

  flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
end

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

  # As of flutter_gemma 0.14.1, the upstream LiteRT-LM dlopen path is patched
  # (see native/litert_lm/patch_c_api.sh "FLUTTER_GEMMA_GPU_REGISTRY_PATCH")
  # to load accelerator frameworks by their full @executable_path/Frameworks/
  # <X>.framework/<X> path on iOS. No host-side symlinks are needed anymore —
  # which means App Store Connect (ITMS-90432, #245) no longer rejects the
  # build for unexpected lib*.dylib files in Frameworks/.
  #
  # The block below only sweeps any leftover lib*.dylib symlinks from older
  # flutter_gemma versions so a re-pod-install yields a clean Frameworks/.
  installer.aggregate_targets.each do |aggregate_target|
    aggregate_target.user_targets.each do |user_target|
      phase_name = '[flutter_gemma] Setup LiteRT-LM iOS'
      existing = user_target.shell_script_build_phases.find { |p| p.name == phase_name }
      phase = existing || user_target.new_shell_script_build_phase(phase_name)
      phase.shell_script = <<~SHELL
        set -e
        FRAMEWORKS="${BUILT_PRODUCTS_DIR}/${PRODUCT_NAME}.app/Frameworks"
        if [ ! -d "${FRAMEWORKS}" ]; then
          exit 0
        fi
        for base in LiteRtMetalAccelerator LiteRtTopKMetalSampler GemmaModelConstraintProvider; do
          rm -f "${FRAMEWORKS}/lib${base}.dylib"
        done
      SHELL
    end
  end
end
