import Foundation
import HTML
import PathKit
@preconcurrency import Saga
import SagaParsleyMarkdownReader
import SagaSwimRenderer

@main
struct Run {
  static func main() async throws {
    try await Saga(input: "content", output: "deploy")
      // All the remaining markdown files will be parsed to html,
      // using the default EmptyMetadata as the Item's metadata type.
      .register(
        metadata: PageMetadata.self,
        readers: [.parsleyMarkdownReader],
        itemWriteMode: .keepAsFile,  // need to keep 404.md as 404.html, not 404/index.html
        writers: [.itemWriter(swim(renderPage))]
      )
      // Run the steps we registered above
      .run()
      // All the remaining files that were not parsed to markdown, so for example images, raw html files and css,
      // are copied as-is to the output folder.
      .staticFiles()
  }
}