module TelegramMarkov

function initialize end
function make_sentence end
function list_usernames end

function fetch_in_env(varname)
    if !(varname in keys(ENV))
        error_string = """
        Please, set $varname in your environment. You can either set it in Julia by doing `ENV["$varname"]=something` or in your shell `export $varname=something`.
        """
        @error error_string
        ""
    else
        ENV[varname]
    end
end


include("bot.jl")

include("markov.jl")

include("server.jl")

import .Markov: initialize, make_sentence, list_usernames

function run_server()
    @info "Initializing bot"
    Markov.initialize()
    application = Server.application()
    @info "Starting Telegram not now"
    Bot.run_bot(Bot.TELEGRAM_BOT) do message
        @debug "Got a message" message
        request = Dict(:message=>message[:message], :params=>Dict())
        ret = application(request)
        @debug "I got this ret" ret
        if !isnothing(ret)
            chat_id = message[:message][:chat][:id]
            reply_to = message[:message][:message_id]
            Bot.sendMessage(Bot.TELEGRAM_BOT, chat_id=chat_id, text=ret, reply_to_message_id=reply_to)
        end
    end
    
end

export run_server 

end