package nf

import (
	"bytes"
	"encoding/json"
	"errors"
	"io"
	"log"
	"strings"
)

func (c *Ctx) Form(key string) string {
	return c.Request.FormValue(key)
}

func (c *Ctx) Query(key string) string {
	return c.Request.URL.Query().Get(key)
}

func (c *Ctx) BodyParser(out interface{}) error {

	ctype := strings.ToLower(c.Request.Header.Get("Content-Type"))

	log.Printf("BodyParser: Content-Type=%s", ctype)

	ctype = parseVendorSpecificContentType(ctype)

	ctypeEnd := strings.IndexByte(ctype, ';')
	if ctypeEnd != -1 {
		ctype = ctype[:ctypeEnd]
	}

	if strings.HasSuffix(ctype, "json") {
		bs, err := io.ReadAll(c.Request.Body)
		if err != nil {
			return err
		}

		c.Request.Body = io.NopCloser(bytes.NewReader(bs))

		return json.Unmarshal(bs, out)
	}

	return errors.New("422 Unprocessable Content")
}