package handlers

import (
	"fmt"
	"log"
	"strings"

	utils "git.zio.sh/astra/telegram-approval-join/pkg/utils"
	api "github.com/OvyFlash/telegram-bot-api"
)

func (bot *Bot) HandleAdminCommands(update *api.Update) {
	switch update.Message.Command() {
	case "setentrymessage":
		if update.Message.CommandArguments() == "" {
			utils.SendMessage(bot.API, update.Message.Chat.ID, update.Message.MessageThreadID,
				"Usage: /setentrymessage <entry_message>")
			return
		}

		_, e := utils.SendMessage(bot.API, bot.API.Self.ID, 0, update.Message.CommandArguments())
		if e != nil {
			if strings.HasPrefix(e.Error(), "Bad Request:") {
				utils.SendMessage(bot.API, update.Message.Chat.ID, update.Message.MessageThreadID,
					fmt.Sprintf("Unable to set entry message: <code>%s</code>", e))
				return
			}
		}

		bot.Config.EntryMessage = update.Message.CommandArguments()
		if err := bot.Config.SaveConfig(); err != nil {
			log.Printf("Failed to save config: %v", err)
		}
		utils.SendMessage(bot.API, update.Message.Chat.ID, update.Message.MessageThreadID,
			"Entry message updated.")

	case "setadmintopic":
		if update.Message.CommandArguments() == "" {
			utils.SendMessage(bot.API, update.Message.Chat.ID, update.Message.MessageThreadID,
				"Usage: <code>/setadmintopic &lt;topic_id/0&gt;</code>")
			return
		}

		topicID, errMsg := utils.ParseIntArg(update.Message.CommandArguments())
		if errMsg != "" {
			utils.SendMessage(bot.API, update.Message.Chat.ID, update.Message.MessageThreadID,
				"Invalid topic ID")
			return
		}

		bot.Config.AdminChatTopicId = &topicID
		if err := bot.Config.SaveConfig(); err != nil {
			log.Printf("Failed to save config: %v", err)
		}
		utils.SendMessage(bot.API, update.Message.Chat.ID, topicID,
			fmt.Sprintf("Topic ID for admin chat <b>%d</b> set to <b>%d</b>\n",
				update.Message.Chat.ID, topicID))

	case "togglesendapproval":
		if bot.Config.ApprovalMessage != "" {
			switch bot.Config.SendApprovalMessage {
			case true:
				bot.Config.SendApprovalMessage = false
			case false:
				bot.Config.SendApprovalMessage = true
			}
			if err := bot.Config.SaveConfig(); err != nil {
				log.Printf("Failed to save config: %v", err)
			}
			utils.SendMessage(bot.API, update.Message.Chat.ID, update.Message.MessageThreadID,
				fmt.Sprintf("Send approval message: %v", bot.Config.SendApprovalMessage))
		} else {
			utils.SendMessage(bot.API, update.Message.Chat.ID, update.Message.MessageThreadID,
				"Please set an approval message with <code>/setapprovalmessage</code>")
		}

	case "setapprovalmessage":
		if update.Message.CommandArguments() == "" {
			utils.SendMessage(bot.API, update.Message.Chat.ID, update.Message.MessageThreadID,
				"Usage: <code>/setapprovalmessage &lt;message&gt;</code>")
			return
		}

		bot.Config.ApprovalMessage = update.Message.CommandArguments()
		if err := bot.Config.SaveConfig(); err != nil {
			log.Printf("Failed to save config: %v", err)
		}
		utils.SendMessage(bot.API, update.Message.Chat.ID, update.Message.MessageThreadID,
			"Approval message set.")

	case "info":
		targetChatID := "not set"
		if *bot.Config.TargetChatId != 0 {
			targetChatID = fmt.Sprintf("%d", *bot.Config.TargetChatId)
		}
		infoMsg := fmt.Sprintf("%s\n%s\n%s\n%s\n%s",
			fmt.Sprintf("Admin Chat ID: <b>%d</b>", update.Message.Chat.ID),
			fmt.Sprintf("Admin Topic ID: <b>%d</b>", *bot.Config.AdminChatTopicId),
			fmt.Sprintf("Target Chat ID: <b>%s</b>", targetChatID),
			fmt.Sprintf("Entry Message: %s", bot.Config.EntryMessage),
			fmt.Sprintf("Approval Message: %s", bot.Config.ApprovalMessage))
		utils.SendMessage(bot.API, update.Message.Chat.ID, update.Message.MessageThreadID, infoMsg)
	}
}