package main

import (
	"fmt"
	"strings"
	"time"

	tele "gopkg.in/telebot.v3"
)

func handleStartCmd(c tele.Context) error {
	if !isFromAdmin(c.Sender()) {
		return c.Send("Hello, stranger :)")
	}

	return c.Send("Hi :)")
}

func handleUserInfoCmd(c tele.Context) error {
	u := c.Sender()
	if u == nil {
		return c.Reply("Unknown.", tele.Silent)
	}

	replyText := []string{
		`*User Info*`,
		"```",
		fmt.Sprintf(`ID:           %d`, u.ID),
		fmt.Sprintf(`Username:     %s`, u.Username),
		fmt.Sprintf(`FirstName:    %s`, u.FirstName),
		fmt.Sprintf(`LastName:     %s`, u.LastName),
		fmt.Sprintf(`LanguageCode: %s`, u.LanguageCode),
		fmt.Sprintf(`IsBot:        %t`, u.IsBot),
		fmt.Sprintf(`IsPremium:    %t`, u.IsPremium),
		"```",
	}
	return c.Reply(strings.Join(replyText, "\n"), &tele.SendOptions{ParseMode: tele.ModeMarkdown}, tele.Silent)
}

func handleChatInfoCmd(c tele.Context) error {
	chat := c.Chat()
	if chat == nil {
		return c.Reply("Unknown.", tele.Silent)
	}
	loc := ""
	if chat.ChatLocation != nil {
		loc = chat.ChatLocation.Address
	}

	replyText := []string{
		`*Chat Info*`,
		"```",
		fmt.Sprintf(`ID:               %d`, chat.ID),
		fmt.Sprintf(`Type:             %s`, chat.Type),
		fmt.Sprintf(`Title:            %s`, chat.Title),
		fmt.Sprintf(`FirstName:        %s`, chat.FirstName),
		fmt.Sprintf(`LastName:         %s`, chat.LastName),
		fmt.Sprintf(`Username:         %s`, chat.Username),
		fmt.Sprintf(`SlowMode:         %d`, chat.SlowMode),
		fmt.Sprintf(`StickerSet:       %s`, chat.StickerSet),
		fmt.Sprintf(`CanSetStickerSet: %t`, chat.CanSetStickerSet),
		fmt.Sprintf(`LinkedChatID:     %d`, chat.LinkedChatID),
		fmt.Sprintf(`ChatLocation:     %s`, loc),
		fmt.Sprintf(`Private:          %t`, chat.Private),
		fmt.Sprintf(`Protected:        %t`, chat.Protected),
		fmt.Sprintf(`NoVoiceAndVideo:  %t`, chat.NoVoiceAndVideo),
		"```",
	}
	return c.Reply(strings.Join(replyText, "\n"), &tele.SendOptions{ParseMode: tele.ModeMarkdown}, tele.Silent)
}

func handleYearProgressCmd(c tele.Context) error {
	yearStart := time.Date(time.Now().Year(), 1, 1, 0, 0, 0, 0, time.Local)
	yearEnd := yearStart.AddDate(1, 0, 0)
	yearDur := yearEnd.Sub(yearStart)
	elapsed := time.Since(yearStart)
	ratio := float64(elapsed) / float64(yearDur)

	replyText := fmt.Sprintf(
		"\n%d is <b>%2.0f%%</b> complete.\n<pre>%s</pre>",
		time.Now().Year(), ratio*100, drawBar(ratio, 20),
	)
	return c.Reply(replyText, &tele.SendOptions{ParseMode: tele.ModeHTML}, tele.Silent)
}