import ArgumentParser
import Dependencies
import PlaybookClient

struct GenerateProjectTemplateCommand: AsyncParsableCommand {

  static let commandName = "generate-template"

  static let configuration = CommandConfiguration.playbook(
    commandName: commandName,
    abstract: "Generate a home performance assesment project template.",
    parentCommand: UtilsCommand.commandName,
    examples: (label: "Generate 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 / options passed to the playbook."
  )
  var extraOptions: [String] = []

  mutating func run() async throws {
    @Dependency(\.playbookClient) var playbookClient

    let output = try await playbookClient.run.generateTemplate(.init(
      shared: globals.sharedPlaybookRunOptions(
        commandName: Self.commandName,
        extraOptions: extraOptions
      ),
      templateDirectory: path,
      templateVarsDirectory: templateVars,
      useVault: !noVault
    ))

    print(output)
  }
}