package handlers

import (
	"backend/models"
	"crypto/rand"
	"encoding/hex"
	"log"
	"net/http"

	"github.com/gin-gonic/gin"
)

func (r *NodeHandler) LoginHandler(c *gin.Context) {
	log.Println("trying to login")
	r.Repo.LoginHandler(c)
}

func GenerateSecureKey() (string, error) {
	bytes := make([]byte, 32) // 256 bits
	if _, err := rand.Read(bytes); err != nil {
		return "", err
	}
	return hex.EncodeToString(bytes), nil
}

func (r *NodeHandler) CreateApiKeyHandler(c *gin.Context) {

	log.Println("trying to create key")
	newApiKey, err := GenerateSecureKey()

	if err != nil {
		log.Printf("Generate API key error: %v", err)
		c.JSON(http.StatusInternalServerError, gin.H{"error": "key creation error"})
		return
	}

	var key models.CreateApiKeyResponse

	key, err = r.Repo.CreateApiKeyHandler(c, newApiKey)

	if err != nil {
		log.Printf("CreateApiKeyHandler error: %v", err)
		c.JSON(http.StatusInternalServerError, gin.H{"error": "insert new api key error"})
		return
	}

	c.JSON(http.StatusOK, key)
}

func (h *NodeHandler) HandleRetrieveApiKeys(c *gin.Context) {

	log.Println("All api keys retrieve request")

	apiKeys := make([]models.ApiKey, 0)

	apiKeys, err := h.Repo.RetriveApiKeyList()

	if err != nil {
		log.Printf("Request error on retrieving api keys: %v", err)
		c.JSON(http.StatusInternalServerError, gin.H{"error": "error retrieving api keys"})
		return
	}

	log.Printf("nb api keys: %v", len(apiKeys))

	c.JSON(http.StatusOK, apiKeys)
}