local bible = {}

local HTTP = require('socket.http')
local URL = require('socket.url')
local utilities = require('otouto.utilities')

function bible:init(config)
    assert(config.biblia_api_key,
        'bible.lua requires a Biblia API key from http://api.biblia.com.'
    )

    bible.triggers = utilities.triggers(self.info.username, config.cmd_pat):t('bible', true):t('b', true).table
    bible.doc = config.cmd_pat .. [[bible <reference>
Returns a verse from the American Standard Version of the Bible, or an apocryphal verse from the King James Version. Results from biblia.com.
Alias: ]] .. config.cmd_pat .. 'b'
end

bible.command = 'bible <reference>'

function bible:action(msg, config)

    local input = utilities.input_from_msg(msg)
    if not input then
        utilities.send_reply(msg, bible.doc, 'html')
        return
    end

    local url = 'http://api.biblia.com/v1/bible/content/ASV.txt?key=' .. config.biblia_api_key .. '&passage=' .. URL.escape(input)

    local output, res = HTTP.request(url)

    if not output or res ~= 200 or output:len() == 0 then
        url = 'http://api.biblia.com/v1/bible/content/KJVAPOC.txt?key=' .. config.biblia_api_key .. '&passage=' .. URL.escape(input)
        output, res = HTTP.request(url)
    end

    if not output or res ~= 200 or output:len() == 0 then
        output = config.errors.results
    end

    if output:len() > 4000 then
        output = 'The text is too long to post here. Try being more specific.'
    end

    utilities.send_reply(msg, output)

end

return bible