package main

import (
	"strings"

	"github.com/gempir/go-twitch-irc/v3"
)

func (app *application) handleCommand(message twitch.PrivateMessage) {
	app.logger.Info("[COMMAND HANDLER]", message)

	// commandName is the actual name of the command without the prefix.
	// e.g. `()ping` would be `ping`.
	commandName := strings.ToLower(strings.SplitN(message.Message, " ", 3)[0][2:])

	// cmdParams are additional command parameters.
	// e.g. `()weather san antonio`
	// cmdParam[0] is `san` and cmdParam[1] = `antonio`.
	//
	// Since Twitch messages are at most 500 characters I use a
	// maximum count of 500+10 just to be safe.
	// https://discuss.dev.twitch.tv/t/missing-client-side-message-length-check/21316
	cmdParams := strings.SplitN(message.Message, " ", 510)
	_ = cmdParams

	// msgLen is the amount of words in a message without the prefix.
	// Useful to check if enough cmdParams are provided.
	msgLen := len(strings.SplitN(message.Message, " ", -2))

	// target is the channelname the message originated from and
	// where we are responding.
	target := message.Channel

	switch commandName {
	case "":
		if msgLen == 1 {
			app.twitchClient.Say(target, "xd")
			return
		}
	}
}