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/*
 * Copyright 2009-2010 WorldWide Conferencing, LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.json4s
package scalaz

import _root_.scalaz._

trait Lifting { this: Types =>
  implicit class Func1ToJSON[A: JSONR, R](z: A => R) {
    def applyJSON(a: JValue => Result[A]): JValue => Result[R] =
      (json: JValue) => Apply[Result].apply(a(json))(z)
  }

  implicit class Func2ToJSON[A: JSONR, B: JSONR, R](z: (A, B) => R) {
    def applyJSON(a: JValue => Result[A], b: JValue => Result[B]): JValue => Result[R] =
      (json: JValue) => Apply[Result].apply2(a(json), b(json))(z)
  }

  implicit class Func3ToJSON[A: JSONR, B: JSONR, C: JSONR, R](z: (A, B, C) => R) {
    def applyJSON(a: JValue => Result[A], b: JValue => Result[B], c: JValue => Result[C]): JValue => Result[R] =
      (json: JValue) => Apply[Result].apply3(a(json), b(json), c(json))(z)
  }

  implicit class Func4ToJSON[A: JSONR, B: JSONR, C: JSONR, D: JSONR, R](z: (A, B, C, D) => R) {
    def applyJSON(
      a: JValue => Result[A],
      b: JValue => Result[B],
      c: JValue => Result[C],
      d: JValue => Result[D]
    ): JValue => Result[R] =
      (json: JValue) => Apply[Result].apply4(a(json), b(json), c(json), d(json))(z)
  }

  implicit class Func5ToJSON[A: JSONR, B: JSONR, C: JSONR, D: JSONR, E: JSONR, R](z: (A, B, C, D, E) => R) {
    def applyJSON(
      a: JValue => Result[A],
      b: JValue => Result[B],
      c: JValue => Result[C],
      d: JValue => Result[D],
      e: JValue => Result[E]
    ): JValue => Result[R] =
      (json: JValue) => Apply[Result].apply5(a(json), b(json), c(json), d(json), e(json))(z)
  }

  implicit class Func6ToJSON[A: JSONR, B: JSONR, C: JSONR, D: JSONR, E: JSONR, F: JSONR, R](
    z: (A, B, C, D, E, F) => R
  ) {
    def applyJSON(
      a: JValue => Result[A],
      b: JValue => Result[B],
      c: JValue => Result[C],
      d: JValue => Result[D],
      e: JValue => Result[E],
      f: JValue => Result[F]
    ): JValue => Result[R] =
      (json: JValue) => Apply[Result].apply6(a(json), b(json), c(json), d(json), e(json), f(json))(z)
  }

  implicit class Func7ToJSON[A: JSONR, B: JSONR, C: JSONR, D: JSONR, E: JSONR, F: JSONR, G: JSONR, R](
    z: (A, B, C, D, E, F, G) => R
  ) {
    def applyJSON(
      a: JValue => Result[A],
      b: JValue => Result[B],
      c: JValue => Result[C],
      d: JValue => Result[D],
      e: JValue => Result[E],
      f: JValue => Result[F],
      g: JValue => Result[G]
    ): JValue => Result[R] =
      (json: JValue) => Apply[Result].apply7(a(json), b(json), c(json), d(json), e(json), f(json), g(json))(z)
  }

  implicit class Func8ToJSON[A: JSONR, B: JSONR, C: JSONR, D: JSONR, E: JSONR, F: JSONR, G: JSONR, H: JSONR, R](
    z: (A, B, C, D, E, F, G, H) => R
  ) {
    def applyJSON(
      a: JValue => Result[A],
      b: JValue => Result[B],
      c: JValue => Result[C],
      d: JValue => Result[D],
      e: JValue => Result[E],
      f: JValue => Result[F],
      g: JValue => Result[G],
      h: JValue => Result[H]
    ): JValue => Result[R] =
      (json: JValue) => Apply[Result].apply8(a(json), b(json), c(json), d(json), e(json), f(json), g(json), h(json))(z)
  }
}