local shout = {}

local utilities = require('utilities')

shout.command = 'shout <text>'

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>
Shouts something. Input may be the replied-to message.
```]]
end

function shout:action(msg)

	local input = utilities.input(msg.text)
	if not input then
		if msg.reply_to_message and #msg.reply_to_message.text > 0 then
			input = msg.reply_to_message.text
		else
			utilities.send_message(self, msg.chat.id, shout.doc, true, msg.message_id, true)
			return
		end
	end
	input = utilities.trim(input)

	if input:len() > 20 then
		input = input:sub(1,20)
	end

	input = input:upper()
	local output = ''
	local inc = 0
	for match in input:gmatch('([%z\1-\127\194-\244][\128-\191]*)') do
		output = output .. match .. ' '
	end
	output = output .. '\n'
	for match in input:sub(2):gmatch('([%z\1-\127\194-\244][\128-\191]*)') do
		local spacing = ''
		for _ = 1, inc do
			spacing = spacing .. '  '
		end
		inc = inc + 1
		output = output .. match .. ' ' .. spacing .. match .. '\n'
	end
	output = '```\n' .. utilities.trim(output) .. '\n```'
	utilities.send_message(self, msg.chat.id, output, true, false, true)

end

return shout