Dir.glob("#{__dir__}/*.rb").each { |file| require file }
require 'singleton'
require 'pathname'

class IOSFilePathManager
    include Singleton

    def initialize
        @platform = SolaraSettingsManager.instance.platform
        @project_root = SolaraSettingsManager.instance.project_root
    end

    def xcode_project
        path = ProjectSettingsManager.instance.value('xcodeproj', Platform::IOS)
        File.join(@project_root, path)
    end

    def xcode_project_directory
        Pathname.new(xcode_project).parent.to_s
    end

    def brand_assets(brand_key)
        File.join(FilePath.brands, brand_key, FilePath.ios, 'assets')
    end

    def brand_xcconfig
        File.join(artifacts, 'Brand.xcconfig')
    end

    def artifacts
        case @platform
        when Platform::Flutter
            return File.join(@project_root, FilePath.ios, 'Flutter', 'Artifacts')
        when Platform::IOS
            return File.join(xcode_project_directory, 'Artifacts')
        else
            raise ArgumentError, "Invalid platform: #{@platform}"
        end
    end

    def info_plist
        path = ProjectSettingsManager.instance.value('Info.plist', Platform::IOS)
        File.join(@project_root, path)
    end

    def assets
        path = ProjectSettingsManager.instance.value('Assets.xcassets', Platform::IOS)
        File.join(@project_root, path)
    end

    def assets_directory
        File.dirname(assets)
    end

    def assets_artifacts
        File.join(assets_directory, 'Assets.xcassets', 'Artifacts')
    end

    def assets_artifcats
        File.join(assets, 'Artifacts')
    end

    def app_xcconfig(name)
        case @platform
        when Platform::Flutter
            return File.join(@project_root, FilePath.ios, 'Flutter', name)
        when Platform::IOS
            return File.join(xcode_project_directory, 'XCConfig', name)
        else
            raise ArgumentError, "Invalid platform: #{@platform}"
        end
    end

    def app_xcconfig_directory
        Pathname.new(app_xcconfig('Debug.xcconfig')).parent.to_s
    end

    def brand_app_icon(brand_key)
        File.join(FilePath.brands, brand_key, FilePath.ios, 'assets', 'AppIcon.appiconset')
    end

    def brand_app_icon_image(brand_key)
        appicon_set_path = brand_app_icon(brand_key)

        if appicon_set_path.nil?
            raise "Error: AppIcon.appiconset not found for brand #{brand_key}"
        end

        contents_json_path = File.join(appicon_set_path, 'Contents.json')

        unless File.exist?(contents_json_path)
            raise "Error: Contents.json not found in AppIcon.appiconset for brand #{brand_key}"
        end

        contents = JSON.parse(File.read(contents_json_path))

        largest_image = contents['images'].max_by do |img|
            size = img['size'].scan(/(\d+)x(\d+)/).first&.map(&:to_i)
            size ? size[0] * size[1] : 0
        end

        if largest_image
            File.join(appicon_set_path, largest_image['filename'])
        else
            raise "No images found in Contents.json for brand #{brand_key}"
        end
    end

end