package testing

import (
	"fmt"
	"net/http"
	"testing"
	"time"

	"github.com/gophercloud/gophercloud/v2"
	"github.com/gophercloud/gophercloud/v2/openstack/dns/v2/recordsets"
	th "github.com/gophercloud/gophercloud/v2/testhelper"
	"github.com/gophercloud/gophercloud/v2/testhelper/client"
)

// ListByZoneOutput is a sample response to a ListByZone call.
const ListByZoneOutput = `
{
    "recordsets": [
        {
            "description": "This is an example record set.",
            "links": {
                "self": "https://127.0.0.1:9001/v2/zones/2150b1bf-dee2-4221-9d85-11f7886fb15f/recordsets/f7b10e9b-0cae-4a91-b162-562bc6096648"
            },
            "updated_at": null,
            "records": [
                "10.1.0.2"
            ],
            "ttl": 3600,
            "id": "f7b10e9b-0cae-4a91-b162-562bc6096648",
            "name": "example.org.",
            "project_id": "4335d1f0-f793-11e2-b778-0800200c9a66",
            "zone_id": "2150b1bf-dee2-4221-9d85-11f7886fb15f",
            "zone_name": "example.com.",
            "created_at": "2014-10-24T19:59:44.000000",
            "version": 1,
            "type": "A",
            "status": "PENDING",
            "action": "CREATE"
        },
        {
            "description": "This is another example record set.",
            "links": {
                "self": "https://127.0.0.1:9001/v2/zones/2150b1bf-dee2-4221-9d85-11f7886fb15f/recordsets/7423aeaf-b354-4bd7-8aba-2e831567b478"
            },
            "updated_at": "2017-03-04T14:29:07.000000",
            "records": [
                "10.1.0.3",
                "10.1.0.4"
            ],
            "ttl": 3600,
            "id": "7423aeaf-b354-4bd7-8aba-2e831567b478",
            "name": "foo.example.org.",
            "project_id": "4335d1f0-f793-11e2-b778-0800200c9a66",
            "zone_id": "2150b1bf-dee2-4221-9d85-11f7886fb15f",
            "zone_name": "example.com.",
            "created_at": "2014-10-24T19:59:44.000000",
            "version": 1,
            "type": "A",
            "status": "PENDING",
            "action": "CREATE"
        }
    ],
    "links": {
        "self": "http://127.0.0.1:9001/v2/zones/2150b1bf-dee2-4221-9d85-11f7886fb15f/recordsets"
    },
    "metadata": {
        "total_count": 2
    }
}
`

// ListByZoneOutputLimited is a sample response to a ListByZone call with a requested limit.
const ListByZoneOutputLimited = `
{
    "recordsets": [
        {
            "description": "This is another example record set.",
            "links": {
                "self": "https://127.0.0.1:9001/v2/zones/2150b1bf-dee2-4221-9d85-11f7886fb15f/recordsets/7423aeaf-b354-4bd7-8aba-2e831567b478"
            },
            "updated_at": "2017-03-04T14:29:07.000000",
            "records": [
                "10.1.0.3",
                "10.1.0.4"
            ],
            "ttl": 3600,
            "id": "7423aeaf-b354-4bd7-8aba-2e831567b478",
            "name": "foo.example.org.",
            "project_id": "4335d1f0-f793-11e2-b778-0800200c9a66",
            "zone_id": "2150b1bf-dee2-4221-9d85-11f7886fb15f",
            "zone_name": "example.com.",
            "created_at": "2014-10-24T19:59:44.000000",
            "version": 1,
            "type": "A",
            "status": "PENDING",
            "action": "CREATE"
        }
    ],
    "links": {
        "self": "http://127.0.0.1:9001/v2/zones/2150b1bf-dee2-4221-9d85-11f7886fb15f/recordsets?limit=1"
    },
    "metadata": {
        "total_count": 1
    }
}
`

// GetOutput is a sample response to a Get call.
const GetOutput = `
{
		"description": "This is an example record set.",
		"links": {
				"self": "https://127.0.0.1:9001/v2/zones/2150b1bf-dee2-4221-9d85-11f7886fb15f/recordsets/f7b10e9b-0cae-4a91-b162-562bc6096648"
		},
		"updated_at": null,
		"records": [
				"10.1.0.2"
		],
		"ttl": 3600,
		"id": "f7b10e9b-0cae-4a91-b162-562bc6096648",
		"name": "example.org.",
		"project_id": "4335d1f0-f793-11e2-b778-0800200c9a66",
		"zone_id": "2150b1bf-dee2-4221-9d85-11f7886fb15f",
		"zone_name": "example.com.",
		"created_at": "2014-10-24T19:59:44.000000",
		"version": 1,
		"type": "A",
		"status": "PENDING",
		"action": "CREATE"
}
`

// NextPageRequest is a sample request to test pagination.
const NextPageRequest = `
{
  "links": {
    "self": "http://127.0.0.1:9001/v2/zones/2150b1bf-dee2-4221-9d85-11f7886fb15f/recordsets?limit=1",
    "next": "http://127.0.0.1:9001/v2/zones/2150b1bf-dee2-4221-9d85-11f7886fb15f/recordsets?limit=1&marker=f7b10e9b-0cae-4a91-b162-562bc6096648"
  }
}
`

// FirstRecordSet is the first result in ListByZoneOutput
var FirstRecordSetCreatedAt, _ = time.Parse(gophercloud.RFC3339MilliNoZ, "2014-10-24T19:59:44.000000")
var FirstRecordSet = recordsets.RecordSet{
	ID:          "f7b10e9b-0cae-4a91-b162-562bc6096648",
	Description: "This is an example record set.",
	UpdatedAt:   time.Time{},
	Records:     []string{"10.1.0.2"},
	TTL:         3600,
	Name:        "example.org.",
	ProjectID:   "4335d1f0-f793-11e2-b778-0800200c9a66",
	ZoneID:      "2150b1bf-dee2-4221-9d85-11f7886fb15f",
	ZoneName:    "example.com.",
	CreatedAt:   FirstRecordSetCreatedAt,
	Version:     1,
	Type:        "A",
	Status:      "PENDING",
	Action:      "CREATE",
	Links: []gophercloud.Link{
		{
			Rel:  "self",
			Href: "https://127.0.0.1:9001/v2/zones/2150b1bf-dee2-4221-9d85-11f7886fb15f/recordsets/f7b10e9b-0cae-4a91-b162-562bc6096648",
		},
	},
}

// SecondRecordSet is the first result in ListByZoneOutput
var SecondRecordSetCreatedAt, _ = time.Parse(gophercloud.RFC3339MilliNoZ, "2014-10-24T19:59:44.000000")
var SecondRecordSetUpdatedAt, _ = time.Parse(gophercloud.RFC3339MilliNoZ, "2017-03-04T14:29:07.000000")
var SecondRecordSet = recordsets.RecordSet{
	ID:          "7423aeaf-b354-4bd7-8aba-2e831567b478",
	Description: "This is another example record set.",
	UpdatedAt:   SecondRecordSetUpdatedAt,
	Records:     []string{"10.1.0.3", "10.1.0.4"},
	TTL:         3600,
	Name:        "foo.example.org.",
	ProjectID:   "4335d1f0-f793-11e2-b778-0800200c9a66",
	ZoneID:      "2150b1bf-dee2-4221-9d85-11f7886fb15f",
	ZoneName:    "example.com.",
	CreatedAt:   SecondRecordSetCreatedAt,
	Version:     1,
	Type:        "A",
	Status:      "PENDING",
	Action:      "CREATE",
	Links: []gophercloud.Link{
		{
			Rel:  "self",
			Href: "https://127.0.0.1:9001/v2/zones/2150b1bf-dee2-4221-9d85-11f7886fb15f/recordsets/7423aeaf-b354-4bd7-8aba-2e831567b478",
		},
	},
}

// ExpectedRecordSetSlice is the slice of results that should be parsed
// from ListByZoneOutput, in the expected order.
var ExpectedRecordSetSlice = []recordsets.RecordSet{FirstRecordSet, SecondRecordSet}

// ExpectedRecordSetSliceLimited is the slice of limited results that should be parsed
// from ListByZoneOutput.
var ExpectedRecordSetSliceLimited = []recordsets.RecordSet{SecondRecordSet}

// HandleListByZoneSuccessfully configures the test server to respond to a ListByZone request.
func HandleListByZoneSuccessfully(t *testing.T) {
	th.Mux.HandleFunc("/zones/2150b1bf-dee2-4221-9d85-11f7886fb15f/recordsets", func(w http.ResponseWriter, r *http.Request) {
		th.TestMethod(t, r, "GET")
		th.TestHeader(t, r, "X-Auth-Token", client.TokenID)

		w.Header().Add("Content-Type", "application/json")
		if err := r.ParseForm(); err != nil {
			t.Errorf("Failed to parse request form %v", err)
		}
		marker := r.Form.Get("marker")
		switch marker {
		case "f7b10e9b-0cae-4a91-b162-562bc6096648":
			fmt.Fprint(w, ListByZoneOutputLimited)
		case "":
			fmt.Fprint(w, ListByZoneOutput)
		}
	})
}

// HandleGetSuccessfully configures the test server to respond to a Get request.
func HandleGetSuccessfully(t *testing.T) {
	th.Mux.HandleFunc("/zones/2150b1bf-dee2-4221-9d85-11f7886fb15f/recordsets/f7b10e9b-0cae-4a91-b162-562bc6096648",
		func(w http.ResponseWriter, r *http.Request) {
			th.TestMethod(t, r, "GET")
			th.TestHeader(t, r, "X-Auth-Token", client.TokenID)

			w.Header().Add("Content-Type", "application/json")
			fmt.Fprint(w, GetOutput)
		})
}

// CreateRecordSetRequest is a sample request to create a resource record.
const CreateRecordSetRequest = `
{
  "name" : "example.org.",
  "description" : "This is an example record set.",
  "type" : "A",
  "ttl" : 3600,
  "records" : [
      "10.1.0.2"
  ]
}
`

// CreateRecordSetResponse is a sample response to a create request.
const CreateRecordSetResponse = `
{
    "description": "This is an example record set.",
    "links": {
        "self": "https://127.0.0.1:9001/v2/zones/2150b1bf-dee2-4221-9d85-11f7886fb15f/recordsets/f7b10e9b-0cae-4a91-b162-562bc6096648"
    },
    "updated_at": null,
    "records": [
        "10.1.0.2"
    ],
    "ttl": 3600,
    "id": "f7b10e9b-0cae-4a91-b162-562bc6096648",
    "name": "example.org.",
    "project_id": "4335d1f0-f793-11e2-b778-0800200c9a66",
    "zone_id": "2150b1bf-dee2-4221-9d85-11f7886fb15f",
    "zone_name": "example.com.",
    "created_at": "2014-10-24T19:59:44.000000",
    "version": 1,
    "type": "A",
    "status": "PENDING",
    "action": "CREATE"
}
`

// CreatedRecordSet is the expected created resource record.
var CreatedRecordSet = FirstRecordSet

// HandleZoneCreationSuccessfully configures the test server to respond to a Create request.
func HandleCreateSuccessfully(t *testing.T) {
	th.Mux.HandleFunc("/zones/2150b1bf-dee2-4221-9d85-11f7886fb15f/recordsets",
		func(w http.ResponseWriter, r *http.Request) {
			th.TestMethod(t, r, "POST")
			th.TestHeader(t, r, "X-Auth-Token", client.TokenID)
			th.TestJSONRequest(t, r, CreateRecordSetRequest)

			w.WriteHeader(http.StatusCreated)
			w.Header().Add("Content-Type", "application/json")
			fmt.Fprint(w, CreateRecordSetResponse)
		})
}

// UpdateRecordSetRequest is a sample request to update a record set.
const UpdateRecordSetRequest = `
{
  "description" : "Updated description",
  "ttl" : null,
  "records" : [
      "10.1.0.2",
      "10.1.0.3"
  ]
}
`

// UpdateRecordSetResponse is a sample response to an update request.
const UpdateRecordSetResponse = `
{
    "description": "Updated description",
    "links": {
        "self": "https://127.0.0.1:9001/v2/zones/2150b1bf-dee2-4221-9d85-11f7886fb15f/recordsets/f7b10e9b-0cae-4a91-b162-562bc6096648"
    },
    "updated_at": null,
    "records": [
        "10.1.0.2",
        "10.1.0.3"
    ],
    "ttl": 3600,
    "id": "f7b10e9b-0cae-4a91-b162-562bc6096648",
    "name": "example.org.",
    "project_id": "4335d1f0-f793-11e2-b778-0800200c9a66",
    "zone_id": "2150b1bf-dee2-4221-9d85-11f7886fb15f",
    "zone_name": "example.com.",
    "created_at": "2014-10-24T19:59:44.000000",
    "version": 2,
    "type": "A",
    "status": "PENDING",
    "action": "UPDATE"
}
`

// HandleUpdateSuccessfully configures the test server to respond to an Update request.
func HandleUpdateSuccessfully(t *testing.T) {
	th.Mux.HandleFunc("/zones/2150b1bf-dee2-4221-9d85-11f7886fb15f/recordsets/f7b10e9b-0cae-4a91-b162-562bc6096648",
		func(w http.ResponseWriter, r *http.Request) {
			th.TestMethod(t, r, "PUT")
			th.TestHeader(t, r, "X-Auth-Token", client.TokenID)
			th.TestJSONRequest(t, r, UpdateRecordSetRequest)

			w.WriteHeader(http.StatusOK)
			w.Header().Add("Content-Type", "application/json")
			fmt.Fprint(w, UpdateRecordSetResponse)
		})
}

// DeleteRecordSetResponse is a sample response to a delete request.
const DeleteRecordSetResponse = `
{
    "description": "Updated description",
    "links": {
        "self": "https://127.0.0.1:9001/v2/zones/2150b1bf-dee2-4221-9d85-11f7886fb15f/recordsets/f7b10e9b-0cae-4a91-b162-562bc6096648"
    },
    "updated_at": null,
    "records": [
        "10.1.0.2",
        "10.1.0.3",
    ],
    "ttl": null,
    "id": "f7b10e9b-0cae-4a91-b162-562bc6096648",
    "name": "example.org.",
    "project_id": "4335d1f0-f793-11e2-b778-0800200c9a66",
    "zone_id": "2150b1bf-dee2-4221-9d85-11f7886fb15f",
    "zone_name": "example.com.",
    "created_at": "2014-10-24T19:59:44.000000",
    "version": 2,
    "type": "A",
    "status": "PENDING",
    "action": "UPDATE"
}
`

// HandleDeleteSuccessfully configures the test server to respond to an Delete request.
func HandleDeleteSuccessfully(t *testing.T) {
	th.Mux.HandleFunc("/zones/2150b1bf-dee2-4221-9d85-11f7886fb15f/recordsets/f7b10e9b-0cae-4a91-b162-562bc6096648",
		func(w http.ResponseWriter, r *http.Request) {
			th.TestMethod(t, r, "DELETE")
			th.TestHeader(t, r, "X-Auth-Token", client.TokenID)

			w.WriteHeader(http.StatusAccepted)
			//w.Header().Add("Content-Type", "application/json")
			//fmt.Fprint(w, DeleteZoneResponse)
		})
}
