package httputil

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

	c "github.com/juanatsap/cv-site/internal/constants"
)

// JSON writes a JSON response with the given status code.
func JSON(w http.ResponseWriter, status int, data interface{}) error {
	w.Header().Set(c.HeaderContentType, c.ContentTypeJSON)
	w.WriteHeader(status)
	return json.NewEncoder(w).Encode(data)
}

// JSONOk writes a 200 OK JSON response.
func JSONOk(w http.ResponseWriter, data interface{}) error {
	return JSON(w, http.StatusOK, data)
}

// JSONCached writes a JSON response with caching headers.
func JSONCached(w http.ResponseWriter, data interface{}, maxAge int) error {
	w.Header().Set(c.HeaderCacheControl, fmt.Sprintf("public, max-age=%d", maxAge))
	return JSONOk(w, data)
}

// HTML sets HTML content type header.
func HTML(w http.ResponseWriter) {
	w.Header().Set(c.HeaderContentType, c.ContentTypeHTML)
}

// NoContent sends a 204 No Content response.
func NoContent(w http.ResponseWriter) {
	w.WriteHeader(http.StatusNoContent)
}