package handlers

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

func (a *App) handleResendReset(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(map[string]any{
		"ok":      true,
		"message": "Use the sign-in button to continue with your social account.",
	})
}

func respondResendError(w http.ResponseWriter, code int, msg string, retryAfter int) {
	w.Header().Set("Content-Type", "application/json")
	w.WriteHeader(code)
	body := map[string]any{"ok": false, "error": msg}
	if retryAfter > 0 {
		body["retry_after_seconds"] = retryAfter
	}
	json.NewEncoder(w).Encode(body)
}

func clientIP(r *http.Request) string {
	if s := r.Header.Get("X-Forwarded-For"); s != "" {
		if idx := strings.Index(s, ","); idx > 0 {
			return strings.TrimSpace(s[:idx])
		}
		return strings.TrimSpace(s)
	}
	if s := r.Header.Get("X-Real-IP"); s != "" {
		return s
	}
	if host, _, err := net.SplitHostPort(r.RemoteAddr); err == nil {
		return host
	}
	return r.RemoteAddr
}