//go:build e2e
// +build e2e

package e2e

import (
	"io"
	"net/http"
	"strings"
	"testing"
	"time"

	"github.com/gavv/httpexpect/v2"
)

func Test_Dynamic(t *testing.T) {
	e := httpexpect.Default(t, "http://localhost:8080/dynamic/")

	e.GET("/whoami").
		Expect().
		Status(http.StatusOK).
		Body().
		Contains(`Dynamic Whoami`).
		Contains(`Your instance(s) will stop after 1 minute of inactivity`)

	e.GET("/whoami").
		WithMaxRetries(10).
		WithRetryDelay(time.Second, time.Second*2).
		WithRetryPolicy(httpexpect.RetryCustomHandler).
		WithCustomHandler(func(resp *http.Response, _ error) bool {
			if resp.Body != nil {

				// Check body if available, etc.
				body, err := io.ReadAll(resp.Body)
				defer resp.Body.Close()
				if err != nil {
					return true
				}
				return !strings.Contains(string(body), "Host: localhost:8080")
			}
			return false
		}).
		Expect().
		Status(http.StatusOK).
		Body().Contains(`Host: localhost:8080`)
}

func Test_Blocking(t *testing.T) {
	e := httpexpect.Default(t, "http://localhost:8080/blocking/")

	e.GET("/whoami").
		Expect().
		Status(http.StatusOK).
		Body().Contains(`Host: localhost:8080`)
}

func Test_Multiple(t *testing.T) {
	e := httpexpect.Default(t, "http://localhost:8080/multiple/")

	e.GET("/whoami").
		Expect().
		Status(http.StatusOK).
		Body().
		Contains(`Multiple Whoami`).
		Contains(`Your instance(s) will stop after 1 minute of inactivity`)

	e.GET("/whoami").
		WithMaxRetries(10).
		WithRetryDelay(time.Second, time.Second*2).
		WithRetryPolicy(httpexpect.RetryCustomHandler).
		WithCustomHandler(func(resp *http.Response, _ error) bool {
			if resp.Body != nil {
				// Check body if available, etc.
				body, err := io.ReadAll(resp.Body)
				defer resp.Body.Close()
				if err != nil {
					return true
				}
				return !strings.Contains(string(body), "Host: localhost:8080")
			}
			return false
		}).
		Expect().
		Status(http.StatusOK).
		Body().Contains(`Host: localhost:8080`)

	e.GET("/nginx").
		WithMaxRetries(10).
		WithRetryDelay(time.Second, time.Second*2).
		WithRetryPolicy(httpexpect.RetryCustomHandler).
		WithCustomHandler(func(resp *http.Response, _ error) bool {
			if resp.Body != nil {

				// Check body if available, etc.
				body, err := io.ReadAll(resp.Body)
				defer resp.Body.Close()
				if err != nil {
					return true
				}
				return !strings.Contains(string(body), "nginx/")
			}
			return false
		}).
		Expect().
		Status(http.StatusNotFound).
		Body().Contains(`nginx/`)
}

func Test_Healthy(t *testing.T) {
	e := httpexpect.Default(t, "http://localhost:8080/healthy/")

	e.GET("/nginx").
		Expect().
		Status(http.StatusOK).
		Body().
		Contains(`Healthy Nginx`).
		Contains(`Your instance(s) will stop after 1 minute of inactivity`)

	e.GET("/nginx").
		WithMaxRetries(10).
		WithRetryDelay(time.Second, time.Second*2).
		WithRetryPolicy(httpexpect.RetryCustomHandler).
		WithCustomHandler(func(resp *http.Response, _ error) bool {
			if resp.Body != nil {

				// Check body if available, etc.
				body, err := io.ReadAll(resp.Body)
				defer resp.Body.Close()
				if err != nil {
					return true
				}
				return !strings.Contains(string(body), "nginx/")
			}
			return false
		}).
		Expect().
		Status(http.StatusNotFound).
		Body().Contains(`nginx/`)
}

func Test_Group(t *testing.T) {
	e := httpexpect.Default(t, "http://localhost:8080/")

	e.GET("/group").
		Expect().
		Status(http.StatusOK).
		Body().
		Contains(`Group E2E`).
		Contains(`Your instance(s) will stop after 1 minute of inactivity`)

	e.GET("/group").
		WithMaxRetries(10).
		WithRetryDelay(time.Second, time.Second*2).
		WithRetryPolicy(httpexpect.RetryCustomHandler).
		WithCustomHandler(func(resp *http.Response, _ error) bool {
			if resp.Body != nil {

				// Check body if available, etc.
				body, err := io.ReadAll(resp.Body)
				defer resp.Body.Close()
				if err != nil {
					return true
				}
				return !strings.Contains(string(body), "Host: localhost:8080")
			}
			return false
		}).
		Expect().
		Status(http.StatusOK).
		Body().Contains(`Host: localhost:8080`)
}