--[[

        cfg.lua by blastbeat

        - this script manages the configuration files

]]--

----------------------------------// DECLARATION //--

--// lua functions //--

--// lua lib methods //--

local os_date = use "os".date

--// core scripts //--

local util = use "util"
local const = use "const"

--// core methods //--

local save = util.save
local load = util.load
local savearray = util.savearray

local CONFIG_PATH = const.CONFIG_PATH

--// functions //--

local set
local get
local start
local loadusers
local saveusers

--// tables //--

local settings
local defaultsettings

--// simple data types //--

local config_file
local config_backup

----------------------------------// DEFINITION //--

config_file = CONFIG_PATH .. "cfg.tbl"
config_backup = CONFIG_PATH .. "cfg.tbl.backup"

defaultsettings = {

    hub_bot = "HubBot",
    log_errors = true,
    log_scripts = true,
    log_events = true,
    debug = true,
    max_users = 100,
    reg_only = false,
    tcp_ports = { 6110, 4660 },
    ssl_ports = { 5000, 6000 },
    timeout = 0,
    user_path = CONFIG_PATH,
    log_path = "././log/",
    hub_name = "LUADCH Test Hub",
    hub_description = "...",
    nick_change = false,
    no_cid_taken = false,
    ranks = {
        
        "Bot",
        "Reg",
        "Op",
        "Admin",
        "Owner",

    },
    bot_rank = 1,
    reg_rank = 2,
    op_rank = 4,
    admin_rank = 8,                    --// admin or super user, all the same
    owner_rank = 16,
    levels = {
    
        [ 0 ] = "UNREG",
        [ 10 ] = "GUEST",
        [ 20 ] = "REG",
        [ 30 ] = "VIP",
        [ 40 ] = "SVIP",
        [ 60 ] = "OPERATOR",
        [ 80 ] = "ADMIN",
        [ 100 ] = "HUBOWNER",

    },
    reg_level = 20,
    key_level = 40,
    bot_level = 60,
    scripts = {    -- array of scripts which will be executed from hub

        "hub_inf_manager.lua",
        "usr_ranks.lua",
        "usr_nick_prefix.lua",
        "usr_desc_prefix.lua",
        "bot_opchat.lua",
        "bot_echobot.lua",
        "cmd_restart.lua",
        "cmd_kick.lua",
        "cmd_regnick.lua",
        "cmd_mass.lua",
        "cmd_sid.lua",
        "cmd_nick.lua",
        "cmd_reloadcfg.lua",
        "cmd_restarthub.lua",
        "cmd_shutdown.lua",
        "cmd_killscripts.lua",
        "example.lua",
        "motd.lua",
        "banner.lua",
        "unknown_command.lua",


    },
    script_path = "././scripts/",
    ssl_params = {

        mode = "server",
           key = "certs/serverkey.pem",
           certificate = "certs/servercert.pem",
           cafile = "certs/ca.pem",
           protocol = "tlsv1",
    
    },
    timer = 1,
    use_ssl = false,
    no_global_scripting = true,

}

set = function( target, newvalue )
    settings[ target ] = newvalue
    save( settings, "settings", config_backup .. "." .. os_date( "[%d.%m.%y.%H.%M.%S]" ) )
    save( settings, "settings", config_file )
end

get = function( target )
    if settings[ target ] == nil then
        return defaultsettings[ target ]
    end
    return settings[ target ]

end

loadusers = function( )
    local users, err = load( get "user_path" .. "user.tbl" )
    return ( users or { } ), err
end

saveusers = function( regusers )
    savearray( regusers, get( "user_path" ) .. "user.tbl.BACKUP." .. os_date( "[%d.%m.%y.%H.%M.%S]" ) )
    savearray( regusers, get( "user_path" ) .. "user.tbl" )
end

start = function( )
    local err
    settings, err = load( config_file )
    return ( settings or { } ), err
end

----------------------------------// BEGIN //--

start( )    -- no error report here!

----------------------------------// PUBLIC INTERFACE //--

return {

    set = set,
    get = get,
    reload = start,
    loadusers = loadusers,
    saveusers = saveusers,

}