package tools

import (
	"context"
	"fmt"
	"os"

	"github.com/aws/aws-sdk-go-v2/aws"
	"github.com/aws/aws-sdk-go-v2/config"
	"github.com/aws/aws-sdk-go-v2/credentials"
	"github.com/aws/aws-sdk-go-v2/service/ec2/types"
)

func AWS() *awstool {
	ctx := context.TODO()

	accessKeyID := os.Getenv("AWS_ACCESS_KEY_ID")
	secretAccessKey := os.Getenv("AWS_SECRET_ACCESS_KEY")
	sessionToken := os.Getenv("AWS_SESSION_TOKEN")

	staticProvider := credentials.NewStaticCredentialsProvider(accessKeyID, secretAccessKey, sessionToken)

	cfg, err := config.LoadDefaultConfig(ctx,
		config.WithCredentialsProvider(staticProvider),
		config.WithRegion(os.Getenv("AWS_REGION")),
	)
	if err != nil {
		log.Write([]byte(fmt.Sprintf("unable to load SDK config, %v", err)))
	}

	return &awstool{
		cfg: cfg,
	}
}

type (
	awstool struct {
		cfg aws.Config
	}
	s3 struct {
		aws *awstool
	}
	ec2 struct {
		aws *awstool
	}
	cloudformation struct {
		aws *awstool
	}
	imagebuilder struct {
		aws *awstool
	}
	ecs struct {
		aws *awstool
	}
	eks struct {
		aws *awstool
	}
)

func (t *awstool) S3() *s3                         { return &s3{aws: t} }
func (t *awstool) EC2() *ec2                       { return &ec2{aws: t} }
func (t *awstool) CloudFormation() *cloudformation { return &cloudformation{aws: t} }
func (t *awstool) ImageBuilder() *imagebuilder     { return &imagebuilder{aws: t} }
func (t *awstool) ECS() *ecs                       { return &ecs{aws: t} }
func (t *awstool) EKS() *eks                       { return &eks{aws: t} }

func (t *awstool) Filter(filters map[string][]string) []types.Filter {
	filter := []types.Filter{}

	for k, v := range filters {
		filter = append(filter, types.Filter{
			Name:   aws.String(k),
			Values: v,
		})
	}
	return filter
}

func (t *s3) Put(src, dst string) error             { return nil }
func (t *s3) Get(src, dst string) error             { return nil }
func (t *s3) ListObjects(bucket, path string) error { return nil }
func (t *s3) ListBuckets() error                    { return nil }

func (t *ec2) FindLatestAMI() error    { return nil }
func (t *ec2) Create() error    { return nil }
func (t *ec2) Stop() error      { return nil }
func (t *ec2) Start() error     { return nil }
func (t *ec2) Terminate() error { return nil }

func (t *cloudformation) CreateStack() {}
func (t *cloudformation) UpdateStack() {}
func (t *cloudformation) DeleteStack() {}