Mikubot-2/otouto/plugins/shout.lua

local shout = {}

local utilities = require('otouto.utilities')

shout.command = 'shout <text>'
local utf8 = '('..utilities.char.utf_8..'*)'

function shout:init(config)
	shout.triggers = utilities.triggers(self.info.username, config.cmd_pat):t('shout', true).table
	shout.doc = config.cmd_pat .. 'shout <text> \nShouts something. Input may be the replied-to message.'
end

function shout:action(msg)

	local input = utilities.input_from_msg(msg)
	if not input then
		utilities.send_reply(self, msg, shout.doc, true)
		return
	end

	input = utilities.trim(input)
	input = input:upper()

	local output = ''
	local inc = 0
	local ilen = 0
	for match in input:gmatch(utf8) do
		if ilen < 20 then
			ilen = ilen + 1
			output = output .. match .. ' '
		end
	end
	ilen = 0
	output = output .. '\n'
	for match in input:sub(2):gmatch(utf8) do
		if ilen < 19 then
			local spacing = ''
			for _ = 1, inc do
				spacing = spacing .. '  '
			end
			inc = inc + 1
			ilen = ilen + 1
			output = output .. match .. ' ' .. spacing .. match .. '\n'
		end
	end
	output = '```\n' .. utilities.trim(output) .. '\n```'
	utilities.send_message(self, msg.chat.id, output, true, false, true)

end

return shout