import { fromJS } from "immutable"
import { fromJSOrdered } from "core/utils"
import {
  definitions,
  parameterValues,
  contentTypeValues,
  operationScheme,
  specJsonWithResolvedSubtrees,
  producesOptionsFor,
  operationWithMeta,
  parameterWithMeta,
  parameterWithMetaByIdentity,
  parameterInclusionSettingFor,
  consumesOptionsFor,
  taggedOperations
} from "corePlugins/spec/selectors"

import Petstore from "./assets/petstore.json"

describe("definitions", function(){
  it("should return definitions by default", function(){

    // Given
    const spec = fromJS({
      json: {
        swagger: "2.0",
        definitions: {
          a: {
            type: "string"
          },
          b: {
            type: "string"
          }
        }
      }
    })

    // When
    let res = definitions(spec)

    // Then
    expect(res.toJS()).toEqual({
      a: {
        type: "string"
      },
      b: {
        type: "string"
      }
    })
  })
  it("should return an empty Map when missing definitions", function(){

    // Given
    const spec = fromJS({
      json: {
        swagger: "2.0"
      }
    })

    // When
    let res = definitions(spec)

    // Then
    expect(res.toJS()).toEqual({})
  })
  it("should return an empty Map when given non-object definitions", function(){

    // Given
    const spec = fromJS({
      json: {
        swagger: "2.0",
        definitions: "..."
      }
    })

    // When
    let res = definitions(spec)

    // Then
    expect(res.toJS()).toEqual({})
  })
})

describe("parameterValue", function(){

  it("should return Map({}) if no path found", function(){

    // Given
    const spec = fromJS({ })

    // When
    let paramValues = parameterValues(spec, ["/one", "get"])

    // Then
    expect(paramValues.toJS()).toEqual({})

  })

  it("should return a hash of [parameterName]: value", function(){

    // Given
    const spec = fromJS({
      json: {
        paths: {
          "/one": {
            get: {
              parameters: [
                { name: "one", in: "query", value: 1},
                { name: "two", in: "query", value: "duos"}
              ]
            }
          }
        }
      }
    })

    // When
    let paramValues = parameterValues(spec, ["/one", "get"])

    // Then
    expect(paramValues.toJS()).toEqual({
      "query.one": 1,
      "query.two": "duos"
    })

  })

})

describe("contentTypeValues", function(){
  it("should return { requestContentType, responseContentType } from an operation", function(){
    // Given
    let state = fromJS({
      json: {
        paths: {
          "/one": {
            get: {}
          }
        }
      },
      meta: {
        paths: {
          "/one": {
            get: {
              "consumes_value": "one",
              "produces_value": "two"
            }
          }
        }
      }
    })

    // When
    let contentTypes = contentTypeValues(state, [ "/one", "get" ])
    // Then
    expect(contentTypes.toJS()).toEqual({
      requestContentType: "one",
      responseContentType: "two"
    })
  })

  it("should default to the first `produces` array value if current is not set", function(){
    // Given
    let state = fromJS({
      json: {
        paths: {
          "/one": {
            get: {
              produces: [
                "application/xml",
                "application/whatever"
              ]
            }
          }
        }
      },
      meta: {
        paths: {
          "/one": {
            get: {
              "consumes_value": "one"
            }
          }
        }
      }
    })

    // When
    let contentTypes = contentTypeValues(state, [ "/one", "get" ])
    // Then
    expect(contentTypes.toJS()).toEqual({
      requestContentType: "one",
      responseContentType: "application/xml"
    })
  })

  it("should default to `application/json` if a default produces value is not available", function(){
    // Given
    let state = fromJS({
      json: {
        paths: {
          "/one": {
            get: {}
          }
        }
      },
      meta: {
        paths: {
          "/one": {
            get: {
              "consumes_value": "one"
            }
          }
        }
      }
    })

    // When
    let contentTypes = contentTypeValues(state, [ "/one", "get" ])
    // Then
    expect(contentTypes.toJS()).toEqual({
      requestContentType: "one",
      responseContentType: "application/json"
    })
  })

  it("should prioritize consumes value first from an operation", function(){
    // Given
    let state = fromJS({
      json: {
        paths: {
          "/one": {
            get: {
              "parameters": [{
                "type": "file"
              }],
            }
          }
        }
      },
      meta: {
        paths: {
          "/one": {
            get: {
              "consumes_value": "one",
            }
          }
        }
      }
    })

    // When
    let contentTypes = contentTypeValues(state, [ "/one", "get" ])
    // Then
    expect(contentTypes.toJS().requestContentType).toEqual("one")
  })

  it("should fallback to multipart/form-data if there is no consumes value but there is a file parameter", function(){
    // Given
    let state = fromJS({
      json: {
        paths: {
          "/one": {
            get: {
              "parameters": [{
                "type": "file"
              }],
            }
          }
        }
      }
    })

    // When
    let contentTypes = contentTypeValues(state, [ "/one", "get" ])
    // Then
    expect(contentTypes.toJS().requestContentType).toEqual("multipart/form-data")
  })

  it("should fallback to application/x-www-form-urlencoded if there is no consumes value, no file parameter, but there is a formData parameter", function(){
    // Given
    let state = fromJS({
      json: {
        paths: {
          "/one": {
            get: {
              "parameters": [{
                "type": "formData"
              }],
            }
          }
        }
      }
    })

    // When
    let contentTypes = contentTypeValues(state, [ "/one", "get" ])
    // Then
    expect(contentTypes.toJS().requestContentType).toEqual("application/x-www-form-urlencoded")
  })

  it("should return nothing, if the operation does not exist", function(){
    // Given
    let state = fromJS({ })

    // When
    let contentTypes = contentTypeValues(state, [ "/one", "get" ])
    // Then
    expect(contentTypes.toJS()).toEqual({
      requestContentType: undefined,
      responseContentType: undefined
    })
  })

})

describe("operationScheme", function(){

  it("should return the correct scheme for a remote spec that doesn't specify a scheme", function(){
    // Given
    let state = fromJS({
      url: "https://generator.swagger.io/api/swagger.json",
      json: {
        paths: {
          "/one": {
            get: {
              "consumes_value": "one",
              "produces_value": "two"
            }
          }
        }
      }
    })

    // When
    let scheme = operationScheme(state, ["/one"], "get")
    // Then
    expect(scheme).toEqual("https")
  })

  // it("should be ok, if no operation found", function(){
  //   // Given
  //   let state = fromJS({ })
  //
  //   // When
  //   let contentTypes = contentTypeValues(state, [ "/one", "get" ])
  //   // Then
  //   expect(contentTypes.toJS()).toEqual({
  //     requestContentType: undefined,
  //     responseContentType: undefined
  //   })
  // })

})

describe("specJsonWithResolvedSubtrees", function(){

  it("should return a correctly merged tree", function(){
    // Given
    let state = fromJS({
      json: {
        definitions: {
          Asdf: {
            $ref: "#/some/path",
            randomKey: "this should be removed b/c siblings of $refs must be removed, per the specification",
            description: "same for this key"
          },
          Fgsfds: {
            $ref: "#/another/path"
          },
          OtherDef: {
            description: "has no refs"
          }
        }
      },
      resolvedSubtrees: {
        definitions: {
          Asdf: {
            type: "object",
            $$ref: "#/some/path"
          }
        }
      }
    })

    // When
    let result = specJsonWithResolvedSubtrees(state)
    // Then
    expect(result.toJS()).toEqual({
      definitions: {
        Asdf: {
          type: "object",
          $$ref: "#/some/path"
        },
        Fgsfds: {
          $ref: "#/another/path"
        },
        OtherDef: {
          description: "has no refs"
        }
      }
    })
  })
  it("should preserve initial map key ordering", function(){
    // Given
    let state = fromJSOrdered({
      json: Petstore,
      resolvedSubtrees: {
          paths: {
            "/pet/{petId}": {
              post: {
                tags: [
                  "pet"
                ],
                summary: "Updates a pet in the store with form data",
                description: "",
                operationId: "updatePetWithForm",
                consumes: [
                  "application/x-www-form-urlencoded"
                ],
                produces: [
                  "application/xml",
                  "application/json"
                ],
                parameters: [
                  {
                    name: "petId",
                    "in": "path",
                    description: "ID of pet that needs to be updated",
                    required: true,
                    type: "integer",
                    format: "int64"
                  },
                  {
                    name: "name",
                    "in": "formData",
                    description: "Updated name of the pet",
                    required: false,
                    type: "string"
                  },
                  {
                    name: "status",
                    "in": "formData",
                    description: "Updated status of the pet",
                    required: false,
                    type: "string"
                  }
                ],
                responses: {
                  "405": {
                    description: "Invalid input"
                  }
                },
                security: [
                  {
                    petstore_auth: [
                      "write:pets",
                      "read:pets"
                    ]
                  }
                ],
                __originalOperationId: "updatePetWithForm"
              }
            }
          }
      }
    })

    // When
    let result = specJsonWithResolvedSubtrees(state)

    // Then
    const correctOrder = [
      "/pet",
      "/pet/findByStatus",
      "/pet/findByTags",
      "/pet/{petId}",
      "/pet/{petId}/uploadImage",
      "/store/inventory",
      "/store/order",
      "/store/order/{orderId}",
      "/user",
      "/user/createWithArray",
      "/user/createWithList",
      "/user/login",
      "/user/logout",
      "/user/{username}"
    ]
    expect(state.getIn(["json", "paths"]).keySeq().toJS()).toEqual(correctOrder)
    expect(result.getIn(["paths"]).keySeq().toJS()).toEqual(correctOrder)
  })
})

describe("operationWithMeta", function() {
  it("should support merging in {in}.{name} keyed param metadata", function () {
    const state = fromJS({
      json: {
        paths: {
          "/": {
            "get": {
              parameters: [
                {
                  name: "myBody",
                  in: "body"
                }
              ]
            }
          }
        }
      },
      meta: {
        paths: {
          "/": {
            "get": {
              parameters: {
                "body.myBody": {
                  value: "abc123"
                }
              }
            }
          }
        }
      }
    })

    const result = operationWithMeta(state, "/", "get")

    expect(result.toJS()).toEqual({
      parameters: [
        {
          name: "myBody",
          in: "body",
          value: "abc123"
        }
      ]
    })
  })
  it("should support merging in hash-keyed param metadata", function () {
    const bodyParam = fromJS({
      name: "myBody",
      in: "body"
    })

    const state = fromJS({
      json: {
        paths: {
          "/": {
            "get": {
              parameters: [
                bodyParam
              ]
            }
          }
        }
      },
      meta: {
        paths: {
          "/": {
            "get": {
              parameters: {
                [`body.myBody.hash-${bodyParam.hashCode()}`]: {
                  value: "abc123"
                }
              }
            }
          }
        }
      }
    })

    const result = operationWithMeta(state, "/", "get")

    expect(result.toJS()).toEqual({
      parameters: [
        {
          name: "myBody",
          in: "body",
          value: "abc123"
        }
      ]
    })
  })
})
describe("parameterWithMeta", function() {
  it("should support merging in {in}.{name} keyed param metadata", function () {
    const state = fromJS({
      json: {
        paths: {
          "/": {
            "get": {
              parameters: [
                {
                  name: "myBody",
                  in: "body"
                }
              ]
            }
          }
        }
      },
      meta: {
        paths: {
          "/": {
            "get": {
              parameters: {
                "body.myBody": {
                  value: "abc123"
                }
              }
            }
          }
        }
      }
    })

    const result = parameterWithMeta(state, ["/", "get"], "myBody", "body")

    expect(result.toJS()).toEqual({
      name: "myBody",
      in: "body",
      value: "abc123"
    })
  })
  it("should give best-effort when encountering hash-keyed param metadata", function () {
    const bodyParam = fromJS({
      name: "myBody",
      in: "body"
    })

    const state = fromJS({
      json: {
        paths: {
          "/": {
            "get": {
              parameters: [
                bodyParam
              ]
            }
          }
        }
      },
      meta: {
        paths: {
          "/": {
            "get": {
              parameters: {
                [`body.myBody.hash-${bodyParam.hashCode()}`]: {
                  value: "abc123"
                }
              }
            }
          }
        }
      }
    })

    const result = parameterWithMeta(state, ["/", "get"], "myBody", "body")

    expect(result.toJS()).toEqual({
      name: "myBody",
      in: "body",
      value: "abc123"
    })
  })

})
describe("parameterWithMetaByIdentity", function() {
  it("should support merging in {in}.{name} keyed param metadata", function () {
    const bodyParam = fromJS({
      name: "myBody",
      in: "body"
    })

    const state = fromJS({
      json: {
        paths: {
          "/": {
            "get": {
              parameters: [bodyParam]
            }
          }
        }
      },
      meta: {
        paths: {
          "/": {
            "get": {
              parameters: {
                "body.myBody": {
                  value: "abc123"
                }
              }
            }
          }
        }
      }
    })

    const result = parameterWithMetaByIdentity(state, ["/", "get"], bodyParam)

    expect(result.toJS()).toEqual({
      name: "myBody",
      in: "body",
      value: "abc123"
    })
  })
  it("should support merging in hash-keyed param metadata", function () {
    const bodyParam = fromJS({
      name: "myBody",
      in: "body"
    })

    const state = fromJS({
      json: {
        paths: {
          "/": {
            "get": {
              parameters: [
                bodyParam
              ]
            }
          }
        }
      },
      meta: {
        paths: {
          "/": {
            "get": {
              parameters: {
                [`body.myBody.hash-${bodyParam.hashCode()}`]: {
                  value: "abc123"
                }
              }
            }
          }
        }
      }
    })

    const result = parameterWithMetaByIdentity(state, ["/", "get"], bodyParam)

    expect(result.toJS()).toEqual({
      name: "myBody",
      in: "body",
      value: "abc123"
    })
  })
})
describe("parameterInclusionSettingFor", function() {
  it("should support getting {in}.{name} param inclusion settings", function () {
    const param = fromJS({
      name: "param",
      in: "query",
      allowEmptyValue: true
    })

    const state = fromJS({
      json: {
        paths: {
          "/": {
            "get": {
              parameters: [
                param
              ]
            }
          }
        }
      },
      meta: {
        paths: {
          "/": {
            "get": {
              "parameter_inclusions": {
                [`query.param`]: true
              }
            }
          }
        }
      }
    })

    const result = parameterInclusionSettingFor(state, ["/", "get"], "param", "query")

    expect(result).toEqual(true)
  })
})
describe("producesOptionsFor", function() {
  it("should return an operation produces value", function () {
    const state = fromJS({
      json: {
        paths: {
          "/": {
            "get": {
              description: "my operation",
              produces: [
                "operation/one",
                "operation/two",
              ]
            }
          }
        }
      }
    })

    const result = producesOptionsFor(state, ["/", "get"])

    expect(result.toJS()).toEqual([
      "operation/one",
      "operation/two",
    ])
  })
  it("should return a path item produces value", function () {
    const state = fromJS({
      json: {
        paths: {
          "/": {
            "get": {
              description: "my operation",
              produces: [
                "path-item/one",
                "path-item/two",
              ]
            }
          }
        }
      }
    })

    const result = producesOptionsFor(state, ["/", "get"])

    expect(result.toJS()).toEqual([
      "path-item/one",
      "path-item/two",
    ])
  })
  it("should return a global produces value", function () {
    const state = fromJS({
      json: {
        produces: [
          "global/one",
          "global/two",
        ],
        paths: {
          "/": {
            "get": {
              description: "my operation"
            }
          }
        }
      }
    })

    const result = producesOptionsFor(state, ["/", "get"])

    expect(result.toJS()).toEqual([
      "global/one",
      "global/two",
    ])
  })
  it("should favor an operation produces value over a path-item value", function () {
    const state = fromJS({
      json: {
        paths: {
          "/": {
            produces: [
              "path-item/one",
              "path-item/two",
            ],
            "get": {
              description: "my operation",
              produces: [
                "operation/one",
                "operation/two",
              ]
            }
          }
        }
      }
    })

    const result = producesOptionsFor(state, ["/", "get"])

    expect(result.toJS()).toEqual([
      "operation/one",
      "operation/two",
    ])
  })
  it("should favor a path-item produces value over a global value", function () {
    const state = fromJS({
      json: {
        produces: [
          "global/one",
          "global/two",
        ],
        paths: {
          "/": {
            produces: [
              "path-item/one",
              "path-item/two",
            ],
            "get": {
              description: "my operation"
            }
          }
        }
      }
    })

    const result = producesOptionsFor(state, ["/", "get"])

    expect(result.toJS()).toEqual([
      "path-item/one",
      "path-item/two",
    ])
  })
})
describe("consumesOptionsFor", function() {
  it("should return an operation consumes value", function () {
    const state = fromJS({
      json: {
        paths: {
          "/": {
            "get": {
              description: "my operation",
              consumes: [
                "operation/one",
                "operation/two",
              ]
            }
          }
        }
      }
    })

    const result = consumesOptionsFor(state, ["/", "get"])

    expect(result.toJS()).toEqual([
      "operation/one",
      "operation/two",
    ])
  })
  it("should return a path item consumes value", function () {
    const state = fromJS({
      json: {
        paths: {
          "/": {
            "get": {
              description: "my operation",
              consumes: [
                "path-item/one",
                "path-item/two",
              ]
            }
          }
        }
      }
    })

    const result = consumesOptionsFor(state, ["/", "get"])

    expect(result.toJS()).toEqual([
      "path-item/one",
      "path-item/two",
    ])
  })
  it("should return a global consumes value", function () {
    const state = fromJS({
      json: {
        consumes: [
          "global/one",
          "global/two",
        ],
        paths: {
          "/": {
            "get": {
              description: "my operation"
            }
          }
        }
      }
    })

    const result = consumesOptionsFor(state, ["/", "get"])

    expect(result.toJS()).toEqual([
      "global/one",
      "global/two",
    ])
  })
  it("should favor an operation consumes value over a path-item value", function () {
    const state = fromJS({
      json: {
        paths: {
          "/": {
            consumes: [
              "path-item/one",
              "path-item/two",
            ],
            "get": {
              description: "my operation",
              consumes: [
                "operation/one",
                "operation/two",
              ]
            }
          }
        }
      }
    })

    const result = consumesOptionsFor(state, ["/", "get"])

    expect(result.toJS()).toEqual([
      "operation/one",
      "operation/two",
    ])
  })
  it("should favor a path-item consumes value over a global value", function () {
    const state = fromJS({
      json: {
        consumes: [
          "global/one",
          "global/two",
        ],
        paths: {
          "/": {
            consumes: [
              "path-item/one",
              "path-item/two",
            ],
            "get": {
              description: "my operation"
            }
          }
        }
      }
    })

    const result = consumesOptionsFor(state, ["/", "get"])

    expect(result.toJS()).toEqual([
      "path-item/one",
      "path-item/two",
    ])
  })
})
describe("taggedOperations", function () {
  it("should return a List of ad-hoc tagged operations", function () {
    const system = {
      getConfigs: () => ({})
    }
    const state = fromJS({
      json: {
        // tags: [
        //   "myTag"
        // ],
        paths: {
          "/": {
            "get": {
              produces: [],
              tags: ["myTag"],
              description: "my operation",
              consumes: [
                "operation/one",
                "operation/two",
              ]
            }
          }
        }
      }
    })

    const result = taggedOperations(state)(system)

    const op = state.getIn(["json", "paths", "/", "get"]).toJS()

    expect(result.toJS()).toEqual({
      myTag: {
        tagDetails: undefined,
        operations: [{
          id: "get-/",
          method: "get",
          path: "/",
          operation: op
        }]
      }
    })
  })
  it("should return a List of defined tagged operations", function () {
    const system = {
      getConfigs: () => ({})
    }
    const state = fromJS({
      json: {
        tags: [
          {
            name: "myTag"
          }
        ],
        paths: {
          "/": {
            "get": {
              produces: [],
              tags: ["myTag"],
              description: "my operation",
              consumes: [
                "operation/one",
                "operation/two",
              ]
            }
          }
        }
      }
    })

    const result = taggedOperations(state)(system)

    const op = state.getIn(["json", "paths", "/", "get"]).toJS()

    expect(result.toJS()).toEqual({
      myTag: {
        tagDetails: {
          name: "myTag"
        },
        operations: [{
          id: "get-/",
          method: "get",
          path: "/",
          operation: op
        }]
      }
    })
  })
  it("should gracefully handle a malformed global tags array", function () {
    const system = {
      getConfigs: () => ({})
    }
    const state = fromJS({
      json: {
        tags: [null],
        paths: {
          "/": {
            "get": {
              produces: [],
              tags: ["myTag"],
              description: "my operation",
              consumes: [
                "operation/one",
                "operation/two",
              ]
            }
          }
        }
      }
    })

    const result = taggedOperations(state)(system)

    const op = state.getIn(["json", "paths", "/", "get"]).toJS()

    expect(result.toJS()).toEqual({
      myTag: {
        tagDetails: undefined,
        operations: [{
          id: "get-/",
          method: "get",
          path: "/",
          operation: op
        }]
      }
    })
  })
  it("should gracefully handle a non-array global tags entry", function () {
    const system = {
      getConfigs: () => ({})
    }
    const state = fromJS({
      json: {
        tags: "asdf",
        paths: {
          "/": {
            "get": {
              produces: [],
              tags: ["myTag"],
              description: "my operation",
              consumes: [
                "operation/one",
                "operation/two",
              ]
            }
          }
        }
      }
    })

    const result = taggedOperations(state)(system)

    const op = state.getIn(["json", "paths", "/", "get"]).toJS()

    expect(result.toJS()).toEqual({
      myTag: {
        tagDetails: undefined,
        operations: [{
          id: "get-/",
          method: "get",
          path: "/",
          operation: op
        }]
      }
    })
  })
})