package vclaim

import (
	"bridging-rssa/docs"
	"bridging-rssa/models/config"
	"crypto/aes"
	"crypto/cipher"
	"crypto/sha256"
	"encoding/base64"
	"encoding/json"
	"errors"
	"io"
	"log"
	"net/http"

	vclaim "bridging-rssa/models/bpjs/v_claim"

	lzstring "github.com/daku10/go-lz-string"
)

func ResponseVclaim(encrypted string, key string) (string, error) {

	cipherText, err := base64.StdEncoding.DecodeString(encrypted)
	if err != nil {
		return "", err
	}

	hash := sha256.Sum256([]byte(key))

	block, err := aes.NewCipher(hash[:])
	if err != nil {
		return "", err
	}

	if len(cipherText) < aes.BlockSize {
		return "", errors.New("cipherText too short")
	}

	iv := hash[:aes.BlockSize]

	if len(cipherText)%aes.BlockSize != 0 {
		return "", errors.New("cipherText is not a multiple of the block size")
	}

	mode := cipher.NewCBCDecrypter(block, iv)
	mode.CryptBlocks(cipherText, cipherText)

	// cipherText, _ = pkcs7.Unpad(cipherText, aes.BlockSize)
	cipherText = docs.RemovePKCS7Padding(cipherText)
	data, err := lzstring.DecompressFromEncodedURIComponent(string(cipherText))
	// data, err := helper.DecompressFromEncodedUriComponent(string(cipherText))
	if err != nil {
		return "", err
	}

	return data, nil
}

func ResponseGetReferensiDokter(url string, header *config.Header, headers map[string]string) (*vclaim.ResponseGetReferensiDokter, error) {
	log.Println("URL", url)

	req, err := http.NewRequest("GET", url, nil)
	if err != nil {
		log.Printf("Error creating request: %v", err)
		return nil, err
	}

	for key, value := range headers {
		req.Header.Set(key, value)
	}

	log.Println("REQ", req.Header)
	client := http.Client{}
	response, err := client.Do(req)
	if err != nil {
		log.Printf("Error making external API request: %v", err)
	}
	log.Println("RESPONSE: ", response)

	key := header.ConsID + header.SecretKey + header.TimeStamp
	res, err := io.ReadAll(response.Body)
	if err != nil {
		log.Println(err)
		return nil, err
	}

	var resReferensiDotker vclaim.ResponseGetReferensiDokterRaw
	err = json.Unmarshal([]byte(string(res)), &resReferensiDotker)
	if err != nil {
		log.Printf("Error Unmarshaling: %v", err)
		return nil, err
	}

	responses := &vclaim.ResponseGetReferensiDokter{}
	if resReferensiDotker.MetaData.Code != "200" {
		errMsg := errors.New(resReferensiDotker.MetaData.Message)
		log.Printf("error : %v", errMsg)
		responses.MetaData.Code = resReferensiDotker.MetaData.Code
		responses.MetaData.Message = resReferensiDotker.MetaData.Message
		log.Println("responses: ", responses)
		return responses, errMsg
	}

	dataResp, err := docs.StringDecrypt(key, resReferensiDotker.Response)
	if err != nil {
		log.Printf("Error Decrypt: %v", err)
		return nil, err
	}

	var responseListDokter vclaim.ResponseReferensiDokter
	log.Println("dataresp: ", dataResp)

	err = json.Unmarshal([]byte(dataResp), &responseListDokter)
	if err != nil {
		log.Printf("Error Decode: %v", err)
		return nil, err
	}

	log.Println("res: ", resReferensiDotker)

	responses = &vclaim.ResponseGetReferensiDokter{
		MetaData: resReferensiDotker.MetaData,
		Response: responseListDokter,
	}

	return responses, nil
}