import ArgumentParser

struct CreateProjectTemplateCommand: AsyncParsableCommand {

  static let commandName = "create-template"

  static let configuration = CommandConfiguration.playbook(
    commandName: commandName,
    abstract: "Create a home performance assesment project template.",
    parentCommand: UtilsCommand.commandName,
    examples: (label: "Create Template", example: "\(commandName) /path/to/project-template")
  )

  @OptionGroup var globals: GlobalOptions

  @Option(
    name: .shortAndLong,
    help: "Customize the directory where template variables are stored."
  )
  var templateVars: String?

  @Flag(
    name: .long,
    help: "Do not generate ansible-vault variables file."
  )
  var noVault: Bool = false

  @Argument(
    help: "Path to the project template directory.",
    completion: .directory
  )
  var path: String

  @Argument(
    help: "Extra arguments passed to the playbook."
  )
  var extraArgs: [String] = []

  mutating func run() async throws {
    let varsDir = templateVars != nil
      ? ["--extra-vars", "repo_vars_dir=\(templateVars!)"]
      : []

    let vault = noVault ? ["--extra-vars", "use_vault=false"] : []

    try await runPlaybook(
      commandName: Self.commandName,
      globals: globals,
      extraArgs: extraArgs,
      [
        "--tags", "repo-template",
        "--extra-vars", "output_dir=\(path)"
      ] + varsDir
        + vault
    )
  }
}