package main

import (
	"fmt"
	"os"

	"github.com/mymmrac/telego"
)

func main() {
	// Get Bot token from environment variables
	botToken := os.Getenv("TOKEN")

	// Create bot and enable debugging info
	// Note: Please keep in mind that default logger may expose sensitive information,
	// use in development only
	// (more on configuration in examples/configuration/main.go)
	bot, err := telego.NewBot(botToken, telego.WithDefaultDebugLogger())
	if err != nil {
		fmt.Println(err)
		os.Exit(1)
	}

	// Call method getMe (https://core.telegram.org/bots/api#getme)
	botUser, err := bot.GetMe()
	if err != nil {
		fmt.Println("Error:", err)
	}

	// Print Bot information
	fmt.Printf("Bot user: %+v\n", botUser)
}

package main

import (
	"fmt"
	"os"

	"github.com/mymmrac/telego"
)

func main() {
	botToken := os.Getenv("TOKEN")

	// Note: Please keep in mind that default logger may expose sensitive information,
	// use in development only
	bot, err := telego.NewBot(botToken, telego.WithDefaultDebugLogger())
	if err != nil {
		fmt.Println(err)
		os.Exit(1)
	}

	// Get updates channel
	// (more on configuration in examples/updates_long_polling/main.go)
	updates, _ := bot.UpdatesViaLongPolling(nil)

	// Stop reviving updates from update channel
	defer bot.StopLongPolling()

	// Loop through all updates when they came
	for update := range updates {
		fmt.Printf("Update: %+v\n", update)
	}
}

package main

import (
	"fmt"
	"os"

	"github.com/mymmrac/telego"
)

func main() {
	botToken := os.Getenv("TOKEN")

	// Note: Please keep in mind that default logger may expose sensitive information,
	// use in development only
	bot, err := telego.NewBot(botToken, telego.WithDefaultDebugLogger())
	if err != nil {
		fmt.Println(err)
		os.Exit(1)
	}

	// Set up a webhook on Telegram side
	_ = bot.SetWebhook(&telego.SetWebhookParams{
		URL: "https://example.com/bot" + bot.Token(),
	})

	// Receive information about webhook
	info, _ := bot.GetWebhookInfo()
	fmt.Printf("Webhook Info: %+v\n", info)

	// Get an update channel from webhook.
	// (more on configuration in examples/updates_webhook/main.go)
	updates, _ := bot.UpdatesViaWebhook("/bot" + bot.Token())

	// Start server for receiving requests from the Telegram
	go func() {
		_ = bot.StartWebhook("localhost:443")
	}()

	// Stop reviving updates from update channel and shutdown webhook server
	defer func() {
		_ = bot.StopWebhook()
	}()

	// Loop through all updates when they came
	for update := range updates {
		fmt.Printf("Update: %+v\n", update)
	}
}

package main

import (
	"fmt"
	"os"

	"github.com/mymmrac/telego"
	tu "github.com/mymmrac/telego/telegoutil"
)

func main() {
	botToken := os.Getenv("TOKEN")

	// Note: Please keep in mind that default logger may expose sensitive information,
	// use in development only
	bot, err := telego.NewBot(botToken, telego.WithDefaultDebugLogger())
	if err != nil {
		fmt.Println(err)
		os.Exit(1)
	}

	// Call method getMe
	botUser, _ := bot.GetMe()
	fmt.Printf("Bot User: %+v\n", botUser)

	updates, _ := bot.UpdatesViaLongPolling(nil)
	defer bot.StopLongPolling()

	for update := range updates {
		if update.Message != nil {
			// Retrieve chat ID
			chatID := update.Message.Chat.ID

			// Call method sendMessage.
			// Send a message to sender with the same text (echo bot).
			// (https://core.telegram.org/bots/api#sendmessage)
			sentMessage, _ := bot.SendMessage(
				tu.Message(
					tu.ID(chatID),
					update.Message.Text,
				),
			)

			fmt.Printf("Sent Message: %v\n", sentMessage)
		}
	}
}

import tu "github.com/mymmrac/telego/telegoutil"

package main

import (
	"github.com/mymmrac/telego"
	tu "github.com/mymmrac/telego/telegoutil"
)

func main() {
	// ... initializing bot (full example in examples/keyboard/main.go)

	// Creating keyboard
	keyboard := tu.Keyboard(
		tu.KeyboardRow( // Row 1
			// Column 1
			tu.KeyboardButton("Button"),

			// Column 2, `with` method
			tu.KeyboardButton("Poll Regular").
				WithRequestPoll(tu.PollTypeRegular()),
		),
		tu.KeyboardRow( // Row 2
			// Column 1, `with` method 
			tu.KeyboardButton("Contact").WithRequestContact(),

			// Column 2, `with` method 
			tu.KeyboardButton("Location").WithRequestLocation(),
		),
	).WithResizeKeyboard().WithInputFieldPlaceholder("Select something")
	// Multiple `with` methods can be chained

	// Creating message
	msg := tu.Message(
		tu.ID(123),
		"Hello World",
	).WithReplyMarkup(keyboard).WithProtectContent() // Multiple `with` method 

	bot.SendMessage(msg)
}

import th "github.com/mymmrac/telego/telegohandler"

package main

import (
	"fmt"
	"os"

	"github.com/mymmrac/telego"
	th "github.com/mymmrac/telego/telegohandler"
	tu "github.com/mymmrac/telego/telegoutil"
)

func main() {
	botToken := os.Getenv("TOKEN")

	// Note: Please keep in mind that default logger may expose sensitive information,
	// use in development only
	bot, err := telego.NewBot(botToken, telego.WithDefaultDebugLogger())
	if err != nil {
		fmt.Println(err)
		os.Exit(1)
	}

	// Get updates channel
	updates, _ := bot.UpdatesViaLongPolling(nil)

	// Create bot handler and specify from where to get updates
	bh, _ := th.NewBotHandler(bot, updates)

	// Stop handling updates
	defer bh.Stop()

	// Stop getting updates
	defer bot.StopLongPolling()

	// Register new handler with match on command `/start`
	bh.Handle(func(bot *telego.Bot, update telego.Update) {
		// Send message
		_, _ = bot.SendMessage(tu.Message(
			tu.ID(update.Message.Chat.ID),
			fmt.Sprintf("Hello %s!", update.Message.From.FirstName),
		))
	}, th.CommandEqual("start"))

	// Register new handler with match on any command
	// Handlers will match only once and in order of registration, 
	// so this handler will be called on any command except `/start` command
	bh.Handle(func(bot *telego.Bot, update telego.Update) {
		// Send message
		_, _ = bot.SendMessage(tu.Message(
			tu.ID(update.Message.Chat.ID),
			"Unknown command, use /start",
		))
	}, th.AnyCommand())

	// Start handling updates
	bh.Start()
}

package main

import (
	"fmt"

	"github.com/mymmrac/telego"
	th "github.com/mymmrac/telego/telegohandler"
	tu "github.com/mymmrac/telego/telegoutil"
)

func main() {
	// ... initializing bot and bot handler 
	// (full example in examples/handler_specific/main.go)

	// Register new handler with match on command `/start`
	bh.HandleMessage(func(bot *telego.Bot, message telego.Message) {
		// Send a message with inline keyboard
		_, _ = bot.SendMessage(tu.Message(
			tu.ID(message.Chat.ID),
			fmt.Sprintf("Hello %s!", message.From.FirstName),
		).WithReplyMarkup(tu.InlineKeyboard(
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton("Go!").WithCallbackData("go"),
			)),
		))
	}, th.CommandEqual("start"))

	// Register new handler with match on the call back query 
	// with data equal to `go` and non-nil message
	bh.HandleCallbackQuery(func(bot *telego.Bot, query telego.CallbackQuery) {
		// Send message
		_, _ = bot.SendMessage(tu.Message(tu.ID(query.Message.Chat.ID), "GO GO GO"))

		// Answer callback query
		_ = bot.AnswerCallbackQuery(tu.CallbackQuery(query.ID).WithText("Done"))
	}, th.AnyCallbackQueryWithMessage(), th.CallbackDataEqual("go"))

	// ... start bot handler
}

package main

import (
	"fmt"

	"github.com/mymmrac/telego"
	th "github.com/mymmrac/telego/telegohandler"
)

func main() {
	// Init ...

	// Add global middleware, it will be applied in order of addition
	bh.Use(func(bot *telego.Bot, update telego.Update, next th.Handler) {
		fmt.Println("Global middleware") // Will be called first
		next(bot, update)
	})

	// Create any groups with or without predicates
	// Note: Updates first checked by groups and only then by handlers 
	// (group -> ... -> group -> handler)
	task := bh.Group(th.TextContains("task"))

	// Add middleware to groups
	task.Use(func(bot *telego.Bot, update telego.Update, next th.Handler) {
		fmt.Println("Group-based middleware") // Will be called second

		if len(update.Message.Text) < 10 {
			next(bot, update)
		}
	})

	// Handle updates on a group
	task.HandleMessage(func(bot *telego.Bot, message telego.Message) {
		fmt.Println("Task...") // Will be called third
	})
}