package handlers

import (
	"encoding/json"
	"net/http"

	"golang.org/x/crypto/bcrypt"
)

type HashRequest struct {
	Password string `json:"password"`
}

type HashResponse struct {
	Hash string `json:"hash"`
}

func GenerateHash(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	var req HashRequest
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		http.Error(w, "Invalid request body", http.StatusBadRequest)
		return
	}

	hash, err := bcrypt.GenerateFromPassword([]byte(req.Password), bcrypt.DefaultCost)
	if err != nil {
		http.Error(w, "Failed to generate hash", http.StatusInternalServerError)
		return
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(HashResponse{Hash: string(hash)})
}