package gitbucket.core.plugin

import gitbucket.core.controller.Context
import gitbucket.core.service.RepositoryService
import gitbucket.core.view.Markdown
import play.twirl.api.Html

/**
 * A render engine to render content to HTML.
 */
trait Renderer {

  /**
   * Render the given request to HTML.
   */
  def render(request: RenderRequest): Html

}

object MarkdownRenderer extends Renderer {
  override def render(request: RenderRequest): Html = {
    import request._
    Html(Markdown.toHtml(
      markdown         = fileContent,
      repository       = repository,
      enableWikiLink   = enableWikiLink,
      enableRefsLink   = enableRefsLink,
      enableAnchor     = enableAnchor,
      enableLineBreaks = false
    )(context))
  }
}

object DefaultRenderer extends Renderer {
  override def render(request: RenderRequest): Html = {
    import request._
    Html(
      s"<tt>${
        fileContent.split("(\\r\\n)|\\n").map(xml.Utility.escape(_)).mkString("<br/>")
      }</tt>"
    )
  }
}

case class RenderRequest(
  filePath: List[String],
  fileContent: String,
  branch: String,
  repository: RepositoryService.RepositoryInfo,
  enableWikiLink: Boolean,
  enableRefsLink: Boolean,
  enableAnchor: Boolean,
  context: Context
)