package view

import service.RequestCache
import twirl.api.Html
import util.StringUtil

trait AvatarImageProvider { self: RequestCache =>

  /**
   * Returns <img> which displays the avatar icon.
   * Looks up Gravatar if avatar icon has not been configured in user settings.
   */
  protected def getAvatarImageHtml(userName: String, size: Int,
      mailAddress: String = "", tooltip: Boolean = false)(implicit context: app.Context): Html = {

    val src = getAccountByUserName(userName).map { account =>
      if(account.image.isEmpty){
        s"""http://www.gravatar.com/avatar/${StringUtil.md5(account.mailAddress)}?s=${size}"""
      } else {
        s"""${context.path}/${userName}/_avatar"""
      }
    } getOrElse {
      if(mailAddress.nonEmpty){
        s"""http://www.gravatar.com/avatar/${StringUtil.md5(mailAddress)}?s=${size}"""
      } else {
        s"""${context.path}/${userName}/_avatar"""
      }
    }
    if(tooltip){
      Html(s"""<img src="${src}" class="avatar" style="width: ${size}px; height: ${size}px;" data-toggle="tooltip" title="${userName}"/>""")
    } else {
      Html(s"""<img src="${src}" class="avatar" style="width: ${size}px; height: ${size}px;" />""")
    }
  }

}