package controllers

import (
	"log"
	"net/http"
	"smt/models"

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

type UnlockInput struct {
	SecretKey string `json:"secretKey"`
}

// Unlock receives secret key and store it in memory
func Unlock(c *gin.Context) {
	var input UnlockInput

	// Validate the input matches our struct
	if err := c.ShouldBindJSON(&input); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}
	log.Println("Unlock received JSON input")

	if models.CheckKeyProvided() {
		c.JSON(http.StatusBadRequest, gin.H{"error": "secret key can only be provided once after service start"})
		return
	}

	// check that the key is 32 bytes long
	if len(input.SecretKey) != 32 {
		c.JSON(http.StatusBadRequest, gin.H{"error": "secret key provided is invalid, must be exactly 32 bytes long"})
		return
	}

	err := models.ReceiveKey(input.SecretKey)
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": err})
		return
	}

	// output results as json
	c.JSON(http.StatusOK, gin.H{"message": "success", "data": "secret key successfully processed"})
}