private static async Task WriteDockerfile()

in src/Cli/func/Actions/LocalActions/InitAction.cs [397:471]
73 lines of code
18 McCabe index (conditional complexity)

        private static async Task WriteDockerfile(WorkerRuntime workerRuntime, string language, string targetFramework, bool csx)
        {
            if (WorkerRuntimeLanguageHelper.IsDotnet(workerRuntime) && string.IsNullOrEmpty(targetFramework) && !csx)
            {
                var functionAppRoot = ScriptHostHelpers.GetFunctionAppRootDirectory(Environment.CurrentDirectory);
                if (functionAppRoot != null)
                {
                    targetFramework = await DotnetHelpers.DetermineTargetFramework(functionAppRoot);
                }
            }

            if (workerRuntime == Helpers.WorkerRuntime.Dotnet)
            {
                if (csx)
                {
                    await FileSystemHelpers.WriteFileIfNotExists("Dockerfile", await StaticResources.DockerfileCsxDotNet);
                }
                else if (targetFramework == Common.TargetFramework.Net8)
                {
                    await FileSystemHelpers.WriteFileIfNotExists("Dockerfile", await StaticResources.DockerfileDotNet8);
                }
                else
                {
                    await FileSystemHelpers.WriteFileIfNotExists("Dockerfile", await StaticResources.DockerfileDotNet);
                }
            }
            else if (workerRuntime == Helpers.WorkerRuntime.DotnetIsolated)
            {
                if (targetFramework == Common.TargetFramework.Net7)
                {
                    await FileSystemHelpers.WriteFileIfNotExists("Dockerfile", await StaticResources.DockerfileDotnet7Isolated);
                }
                else if (targetFramework == Common.TargetFramework.Net8)
                {
                    await FileSystemHelpers.WriteFileIfNotExists("Dockerfile", await StaticResources.DockerfileDotnet8Isolated);
                }
                else if (targetFramework == Common.TargetFramework.Net9)
                {
                    await FileSystemHelpers.WriteFileIfNotExists("Dockerfile", await StaticResources.DockerfileDotnet9Isolated);
                }
                else
                {
                    await FileSystemHelpers.WriteFileIfNotExists("Dockerfile", await StaticResources.DockerfileDotnetIsolated);
                }
            }
            else if (workerRuntime == Helpers.WorkerRuntime.Node)
            {
                if (language == Constants.Languages.TypeScript)
                {
                    await FileSystemHelpers.WriteFileIfNotExists("Dockerfile", await StaticResources.DockerfileTypeScript);
                }
                else
                {
                    await FileSystemHelpers.WriteFileIfNotExists("Dockerfile", await StaticResources.DockerfileJavaScript);
                }
            }
            else if (workerRuntime == Helpers.WorkerRuntime.Python)
            {
                await WritePythonDockerFile();
            }
            else if (workerRuntime == Helpers.WorkerRuntime.Powershell)
            {
                await FileSystemHelpers.WriteFileIfNotExists("Dockerfile", await StaticResources.DockerfilePowershell72);
            }
            else if (workerRuntime == Helpers.WorkerRuntime.Custom)
            {
                await FileSystemHelpers.WriteFileIfNotExists("Dockerfile", await StaticResources.DockerfileCustom);
            }
            else if (workerRuntime == Helpers.WorkerRuntime.None)
            {
                throw new CliException("Can't find WorkerRuntime None");
            }

            await FileSystemHelpers.WriteFileIfNotExists(".dockerignore", await StaticResources.DockerIgnoreFile);
        }