/*
Copyright 2016 Citrix Systems, Inc

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 citrixadc

import (
	"fmt"
	"strings"
	"testing"

	"github.com/citrix/adc-nitro-go/service"
	"github.com/hashicorp/terraform-plugin-sdk/helper/resource"
	"github.com/hashicorp/terraform-plugin-sdk/terraform"
)

const testAccLbvserver_filterpolicy_binding_basic_step1 = `

resource "citrixadc_lbvserver" "tf_lbvserver" {
  ipv46       = "10.10.10.33"
  name        = "tf_lbvserver"
  port        = 80
  servicetype = "HTTP"
}

resource "citrixadc_filterpolicy" "tf_filterpolicy" {
    name = "tf_filterpolicy"
    reqaction = "DROP"
    rule = "REQ.HTTP.URL CONTAINS http://abc.com"
}

resource "citrixadc_lbvserver_filterpolicy_binding" "tf_bind" {
    name = citrixadc_lbvserver.tf_lbvserver.name
    policyname = citrixadc_filterpolicy.tf_filterpolicy.name
    priority = 100
}

`

const testAccLbvserver_filterpolicy_binding_basic_step2 = `

resource "citrixadc_lbvserver" "tf_lbvserver" {
  ipv46       = "10.10.10.33"
  name        = "tf_lbvserver"
  port        = 80
  servicetype = "HTTP"
}

resource "citrixadc_filterpolicy" "tf_filterpolicy" {
    name = "tf_filterpolicy"
    reqaction = "DROP"
    rule = "REQ.HTTP.URL CONTAINS http://abc.com"
}

resource "citrixadc_lbvserver_filterpolicy_binding" "tf_bind" {
    name = citrixadc_lbvserver.tf_lbvserver.name
    policyname = citrixadc_filterpolicy.tf_filterpolicy.name
    priority = 110
}

`

func TestAccLbvserver_filterpolicy_binding_basic(t *testing.T) {
	t.Skipf("filterpolicy is not supported in 13.1")
	resource.Test(t, resource.TestCase{
		PreCheck:     func() { testAccPreCheck(t) },
		Providers:    testAccProviders,
		CheckDestroy: testAccCheckLbvserver_filterpolicy_bindingDestroy,
		Steps: []resource.TestStep{
			{
				Config: testAccLbvserver_filterpolicy_binding_basic_step1,
				Check: resource.ComposeTestCheckFunc(
					testAccCheckLbvserver_filterpolicy_bindingExist("citrixadc_lbvserver_filterpolicy_binding.tf_bind", nil),
				),
			},
			{
				Config: testAccLbvserver_filterpolicy_binding_basic_step1,
				Check: resource.ComposeTestCheckFunc(
					testAccCheckLbvserver_filterpolicy_bindingExist("citrixadc_lbvserver_filterpolicy_binding.tf_bind", nil),
				),
			},
		},
	})
}

func testAccCheckLbvserver_filterpolicy_bindingExist(n string, id *string) resource.TestCheckFunc {
	return func(s *terraform.State) error {
		rs, ok := s.RootModule().Resources[n]
		if !ok {
			return fmt.Errorf("Not found: %s", n)
		}

		if rs.Primary.ID == "" {
			return fmt.Errorf("No lbvserver_filterpolicy_binding name is set")
		}

		if id != nil {
			if *id != "" && *id != rs.Primary.ID {
				return fmt.Errorf("Resource ID has changed!")
			}

			*id = rs.Primary.ID
		}

		client := testAccProvider.Meta().(*NetScalerNitroClient).client

		bindingId := rs.Primary.ID
		idSlice := strings.SplitN(bindingId, ",", 2)
		name := idSlice[0]
		policyname := idSlice[1]

		findParams := service.FindParams{
			ResourceType:             "lbvserver_filterpolicy_binding",
			ResourceName:             name,
			ResourceMissingErrorCode: 258,
		}
		dataArr, err := client.FindResourceArrayWithParams(findParams)

		// Unexpected error
		if err != nil {
			return err
		}

		// Iterate through results to find the one with the right policy name
		foundIndex := -1
		for i, v := range dataArr {
			if v["policyname"].(string) == policyname {
				foundIndex = i
				break
			}
		}

		// Resource is missing
		if foundIndex == -1 {
			return fmt.Errorf("Cannot find lbvserver_filterpolicy_binding %v", bindingId)
		}

		return nil
	}
}

func testAccCheckLbvserver_filterpolicy_bindingDestroy(s *terraform.State) error {
	nsClient := testAccProvider.Meta().(*NetScalerNitroClient).client

	for _, rs := range s.RootModule().Resources {
		if rs.Type != "citrixadc_lbvserver_filterpolicy_binding" {
			continue
		}

		if rs.Primary.ID == "" {
			return fmt.Errorf("No name is set")
		}

		_, err := nsClient.FindResource(service.Lbvserver_filterpolicy_binding.Type(), rs.Primary.ID)
		if err == nil {
			return fmt.Errorf("lbvserver_filterpolicy_binding %s still exists", rs.Primary.ID)
		}

	}

	return nil
}
