/*
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 testAccAppfwprofile_cookieconsistency_binding_basic_step1 = `
	resource citrixadc_appfwprofile_cookieconsistency_binding demo_binding1 {
		name              = citrixadc_appfwprofile.demo_appfw.name
		cookieconsistency = "^logon_[0-9A-Za-z]{2,15}$"
	}
	resource citrixadc_appfwprofile_cookieconsistency_binding demo_binding2 {
		name              = citrixadc_appfwprofile.demo_appfw.name
		cookieconsistency = "^logout_[0-9A-Za-z]{2,15}$"
	}

	resource citrixadc_appfwprofile demo_appfw {
		name                     = "demo_appfwprofile"
		type                     = ["HTML"]
	}
`

const testAccAppfwprofile_cookieconsistency_binding_basic_step2 = `
	resource citrixadc_appfwprofile demo_appfw {
		name                     = "demo_appfwprofile"
		type                     = ["HTML"]
	}
`

func TestAccAppfwprofile_cookieconsistency_binding_basic(t *testing.T) {
	resource.Test(t, resource.TestCase{
		PreCheck:     func() { testAccPreCheck(t) },
		Providers:    testAccProviders,
		CheckDestroy: testAccCheckAppfwprofile_cookieconsistency_bindingDestroy,
		Steps: []resource.TestStep{
			{
				Config: testAccAppfwprofile_cookieconsistency_binding_basic_step1,
				Check: resource.ComposeTestCheckFunc(
					testAccCheckAppfwprofile_cookieconsistency_bindingExist("citrixadc_appfwprofile_cookieconsistency_binding.demo_binding1", nil),
					resource.TestCheckResourceAttr("citrixadc_appfwprofile_cookieconsistency_binding.demo_binding1", "name", "demo_appfwprofile"),
					resource.TestCheckResourceAttr("citrixadc_appfwprofile_cookieconsistency_binding.demo_binding1", "cookieconsistency", "^logon_[0-9A-Za-z]{2,15}$"),
					testAccCheckAppfwprofile_cookieconsistency_bindingExist("citrixadc_appfwprofile_cookieconsistency_binding.demo_binding2", nil),
					resource.TestCheckResourceAttr("citrixadc_appfwprofile_cookieconsistency_binding.demo_binding2", "name", "demo_appfwprofile"),
					resource.TestCheckResourceAttr("citrixadc_appfwprofile_cookieconsistency_binding.demo_binding2", "cookieconsistency", "^logout_[0-9A-Za-z]{2,15}$"),
				),
			},
			{
				Config: testAccAppfwprofile_cookieconsistency_binding_basic_step2,
				Check: resource.ComposeTestCheckFunc(
					testAccCheckAppfwprofile_cookieconsistency_bindingNotExist("citrixadc_appfwprofile_cookieconsistency_binding.demo_binding1", "demo_appfwprofile,^logon_[0-9A-Za-z]{2,15}$"),
					testAccCheckAppfwprofile_cookieconsistency_bindingNotExist("citrixadc_appfwprofile_cookieconsistency_binding.demo_binding2", "demo_appfwprofile,^logout_[0-9A-Za-z]{2,15}$"),
				),
			},
		},
	})
}

func testAccCheckAppfwprofile_cookieconsistency_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 appfwprofile_cookieconsistency_binding name is set")
		}

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

			*id = rs.Primary.ID
		}

		nsClient := testAccProvider.Meta().(*NetScalerNitroClient).client
		bindingId := rs.Primary.ID
		idSlice := strings.SplitN(bindingId, ",", 2)
		appFwName := idSlice[0]
		cookieconsistency := idSlice[1]

		findParams := service.FindParams{
			ResourceType:             service.Appfwprofile_cookieconsistency_binding.Type(),
			ResourceName:             appFwName,
			ResourceMissingErrorCode: 258,
		}
		dataArr, err := nsClient.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["cookieconsistency"].(string) == cookieconsistency {
				foundIndex = i
				break
			}
		}

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

		return nil
	}

}

func testAccCheckAppfwprofile_cookieconsistency_bindingNotExist(n string, id string) resource.TestCheckFunc {
	return func(s *terraform.State) error {
		client := testAccProvider.Meta().(*NetScalerNitroClient).client

		if !strings.Contains(id, ",") {
			return fmt.Errorf("Invalid id string %v. The id string must contain a comma.", id)
		}
		idSlice := strings.SplitN(id, ",", 3)

		name := idSlice[0]
		cookieconsistency := idSlice[1]

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

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

		// Iterate through results to hopefully not find the one with the matching secondIdComponent
		found := false
		for _, v := range dataArr {
			if v["cookieconsistency"].(string) == cookieconsistency {
				found = true
				break
			}
		}

		if found {
			return fmt.Errorf("appfwprofile_cookieconsistency_binding %s was found, but it should have been destroyed", n)
		}

		return nil
	}
}

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

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

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

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

	}

	return nil
}
