package nl.astraeus.vst.string.web

import kotlinx.html.body
import kotlinx.html.head
import kotlinx.html.html
import kotlinx.html.meta
import kotlinx.html.script
import kotlinx.html.stream.appendHTML
import kotlinx.html.title

fun generateIndex(patch: String?): String {
  val result = StringBuilder();

  if (patch == null) {
    result.appendHTML(true).html {
      head {
        title { +"VST String" }
      }
      body {
        script {
          type = "application/javascript"
          src = "/vst-string-worklet-ui.js"
        }
      }
    }
  } else {
    result.appendHTML(true).html {
      head {
        title { +"VST Chip" }
        meta {
          httpEquiv = "refresh"
          content = "0; url=/patch/$patch"
        }
      }
      body {
        +"Redirecting to patch $patch..."
      }
    }
  }

  return result.toString()
}