package form

import (
	"gosten/csrf"
	"log"
	"net/http"

	"github.com/gorilla/schema"
)

var schemaDecoder *schema.Decoder

func init() {
	schemaDecoder = schema.NewDecoder()
	schemaDecoder.IgnoreUnknownKeys(true)
}

func Parse[T any](r *http.Request, data *T) {
	if err := r.ParseForm(); err != nil {
		log.Panic("Parsing form: ", err)
	}
	if err := schemaDecoder.Decode(data, r.PostForm); err != nil {
		log.Panic("Decoding form: ", err)
	}

	if withCsrf, ok := any(data).(csrf.Enabled); ok {
		withCsrf.SetCsrfField(r)
	}
}