package test

import (
	"context"
	"fmt"
	"queryorchestration/internal/serviceconfig"
	"testing"

	"github.com/docker/go-connections/nat"
	"github.com/testcontainers/testcontainers-go"
	"github.com/testcontainers/testcontainers-go/wait"
)

type AWSContainerConfig struct {
	Container        testcontainers.Container
	ExternalEndpoint string
	NetworkEndpoint  string
}

type CreateAWSConfig struct {
	Network *testcontainers.DockerNetwork
	Cfg     serviceconfig.ConfigProvider
}

func CreateAWSContainer(t *testing.T, ctx context.Context, cfg *CreateAWSConfig) (*AWSContainerConfig, func()) {
	alias := "localstack"

	port, err := nat.NewPort("tcp", "4566")
	if err != nil {
		t.Fatalf("Failed to create port: %v", err)
	}

	req := testcontainers.ContainerRequest{
		Image: "localstack/localstack:4.1.0",
		Env: map[string]string{
			"AWS_ACCESS_KEY_ID":      cfg.Cfg.GetAWSKeyID(),
			"AWS_SECRET_ACCESS_KEY":  cfg.Cfg.GetAWSSecretKey(),
			"AWS_SESSION_TOKEN":      cfg.Cfg.GetAWSSessionToken(),
			"AWS_REGION":             cfg.Cfg.GetAWSRegion(),
			"SERVICES":               "s3,sqs",
			"SKIP_SSL_CERT_DOWNLOAD": "1",
			"LOCALSTACK_HOST":        alias,
			"SQS_ENDPOINT_STRATEGY":  "path",
			"EAGER_SERVICE_LOADING":  "1",
		},
		ExposedPorts: []string{port.Port()},
		WaitingFor: wait.ForAll(
			// wait.ForExposedPort(),
			wait.ForListeningPort(port),
			wait.ForLog("Ready."),
		),
	}

	if cfg.Network != nil {
		req.Networks = []string{cfg.Network.Name}
		req.NetworkAliases = map[string][]string{
			cfg.Network.Name: {alias},
		}
	}

	container, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{
		ContainerRequest: req,
		Started:          true,
	})
	if err != nil {
		t.Fatalf("Failed to start container: %v", err)
	}

	host, err := container.Host(ctx)
	if err != nil {
		t.Fatalf("Failed to extract host: %v", err)
	}
	mappedPort, err := container.MappedPort(ctx, port)
	if err != nil {
		t.Fatalf("Failed to extract port: %v", err)
	}

	extEndpoint := fmt.Sprintf("http://%s:%s", host, mappedPort.Port())
	t.Setenv("AWS_ENDPOINT_URL", extEndpoint)
	t.Setenv("AWS_ENDPOINT_URL_SQS", extEndpoint)
	t.Setenv("AWS_ENDPOINT_URL_S3", extEndpoint)
	cfg.Cfg.SetAWSEndpoint(extEndpoint)

	var endpoint string
	if cfg.Network != nil {
		endpoint = fmt.Sprintf("http://%s:%s", alias, port.Port())
		cfg.Cfg.SetAWSEndpoint(endpoint)
	}

	return &AWSContainerConfig{
			Container:        container,
			ExternalEndpoint: extEndpoint,
			NetworkEndpoint:  endpoint,
		}, func() {
			err := container.Terminate(ctx)
			if err != nil {
				t.Error(err)
			}
		}
}