Reintentar varias veces

main.go

@@ -1,9 +1,11 @@
 package main
 
 import (
+	"fmt"
 	"log"
 	"os"
 	"strconv"
+	"time"
 
 	tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5"
 )
@@ -27,27 +29,49 @@ func readConfig() (Config, error) {
 	return config, nil
 }
 
+const DEADLINE = 6000
+
 func main() {
 	config, err := readConfig()
 	if err != nil {
 		panic(err)
 	}
 
-	bot, err := tgbotapi.NewBotAPI(config.Token)
-	if err != nil {
-		panic(err)
-	}
-
 	text := "No se especificó un mensaje."
 	if len(os.Args) > 1 {
 		text = os.Args[1]
 	}
 
+	delay := 1
+	original_time := time.Now()
+
 	for true {
-		msg := tgbotapi.NewMessage(config.ChatId, text)
+		bot, err := tgbotapi.NewBotAPI(config.Token)
+		if err != nil {
+			log.Println(err)
+			delay = delay * 2
+			if delay > DEADLINE {
+				break
+			}
+			time.Sleep(time.Second * time.Duration(delay))
+			continue
+		}
+
+		timestamp := ""
+		if delay > 1 {
+			timestamp = fmt.Sprintf("[%s] ", original_time)
+		}
+
+		msg := tgbotapi.NewMessage(config.ChatId, timestamp+text)
 
 		if _, err := bot.Send(msg); err != nil {
 			log.Println(err)
+			delay = delay * 2
+			if delay > DEADLINE {
+				break
+			}
+			time.Sleep(time.Second * time.Duration(delay))
+			continue
 		} else {
 			break
 		}