import okio.Buffer
import okio.BufferedSink
import okio.BufferedSource
import okio.ByteString
import okio.ByteString.Companion.encodeUtf8
import okio.Options

/**
 * A decoded [mapping table] that can perform the [mapping step] of IDNA processing.
 *
 * This implementation is optimized for readability over efficiency.
 *
 * This implements non-transitional processing by preserving deviation characters.
 *

        if (c < n) {
          if (delta == Int.MAX_VALUE) return false // Prevent overflow.
          delta++
        } else if (c == n) {
          var q = delta

          for (k in BASE until Int.MAX_VALUE step BASE) {
            val t =
              when {
                k <= bias -> TMIN
                k >= bias + TMAX -> TMAX
                else -> k - bias
              }
            if (q < t) break

    return if (cookies != null) {
      Collections.unmodifiableList(cookies)
    } else {
      emptyList()
    }
  }

  /**
   * Convert a request header to OkHttp's cookies via [HttpCookie]. That extra step handles
   * multiple cookies in a single request header, which [Cookie.parse] doesn't support.
   */
  private fun decodeHeaderAsJavaNetCookies(
    url: HttpUrl,
    header: String,
  ): List<Cookie> {

 *    we must send a `CONNECT` request, and handle authorization challenges from the proxy.
 *  * Optional [TLS handshake][connectTls].
 *
 * Each step may fail. If a retry is possible, a new instance is created with the next plan, which
 * will be configured differently.
 */
class ConnectPlan(
  private val taskRunner: TaskRunner,

      append("\n")
    }
  }
}

internal fun commonHeadersGet(
  namesAndValues: Array<String>,
  name: String,
): String? {
  for (i in namesAndValues.size - 2 downTo 0 step 2) {
    if (name.equals(namesAndValues[i], ignoreCase = true)) {
      return namesAndValues[i + 1]
    }
  }
  return null
}

internal fun Headers.Builder.commonAdd(
  name: String,
  value: String,

   * | `http://host/?a=apple&b`          | `"apple"`             |
   */
  fun queryParameter(name: String): String? {
    if (queryNamesAndValues == null) return null
    for (i in 0 until queryNamesAndValues.size step 2) {
      if (name == queryNamesAndValues[i]) {
        return queryNamesAndValues[i + 1]
      }
    }
    return null
  }

  /**

      handler.ackSettings()
      return
    }

    if (length % 6 != 0) throw IOException("TYPE_SETTINGS length % 6 != 0: $length")
    val settings = Settings()
    for (i in 0 until length step 6) {
      var id = source.readShort() and 0xffff
      val value = source.readInt()

      when (id) {
        // SETTINGS_HEADER_TABLE_SIZE
        1 -> {
        }

        // SETTINGS_ENABLE_PUSH

      }
    }

    // Confirm the sections are increasing.
    val rangesIndices = mutableListOf<Int>()
    val rangesOffsets = mutableListOf<Int>()
    for (i in 0 until compactTable.sections.length step 4) {
      rangesIndices += compactTable.sections.read14BitInt(i)
      rangesOffsets += compactTable.sections.read14BitInt(i + 2)
    }
    assertThat(rangesIndices).isEqualTo(rangesIndices.sorted())

    append("-----END CERTIFICATE-----\n")
  }
}

internal fun StringBuilder.encodeBase64Lines(data: ByteString) {
  val base64 = data.base64()
  for (i in 0 until base64.length step 64) {
    append(base64, i, minOf(i + 64, base64.length)).append('\n')
  }

 */
@file:Suppress("ktlint:standard:filename")

package okhttp3.internal

import okhttp3.MediaType

internal fun MediaType.commonParameter(name: String): String? {
  for (i in parameterNamesAndValues.indices step 2) {
    if (parameterNamesAndValues[i].equals(name, ignoreCase = true)) {
      return parameterNamesAndValues[i + 1]
    }
  }
  return null
}