--@name Logan's Starfall Toolkit
--@author logan2611
--@server
--@include lsft/cl_lsft.txt
--@includedir lsft/modules/server
--@includedir lsft/modules/shared
--@clientmain lsft/cl_lsft.txt

-- SPAWN THIS ONE

--[[
 _               ____  _____ _____
| |             / ___||  ___|_   _|
| |      _____  \___ \| |_    | |
| |___  |_____|  ___) |  _|   | |
|_____|         |____/|_|     |_|

--]]

--[[
TODO: Update checker
TODO: On module load, grab default config values. Write changed values
prop.createSent(chip():getPos()+Vector(0,0,90),Angle(0,0,0),"Seat_Airboat",true)
--]]

-- Main Module (Mostly loading modules and stuff)
core = {}

do
    local function stats()
        -- For debugging purposes mostly
        core:log(log.TEXT, "---------------------------")
        core:log(log.TEXT, "Server Stats:")
        core:log(log.INFO, "Max CPU: ", core.colors.text, math.round(core.maxCPU*1000000).."us ("..math.round(core.maxCPU*100/quotaMax()).."%)")
        core:log(log.INFO, "Max RAM: ", core.colors.text, math.round(core.maxRAM).."kB ("..math.round(core.maxRAM*100/ramMax()).."%)")
        core:log(log.INFO, "Min Net: ", core.colors.text, core.minNet.." bytes")
        core:log(log.TEXT, "---------------------------")
    end
    
    local function hud()
        if core.hud then 
            enableHud(owner(),false) 
            core.hud = false 
        else 
            enableHud(owner(),true) 
            core.hud = true 
        end 
    end
    
    local function help(args)
        local module = args[1]
        local command = args[2]
        
        if module == nil and command == nil then
            core:log(log.TEXT, "---------------------------")
            core:log(log.INFO, "To list the commands in a module, type "..core:get_config("core", "command_prefix").."help <module>")
            core:log(log.INFO, "List of available modules:")
            
            local modules = {}
            for i, v in pairs(core.modules) do
                table.insert(modules, core.colors.logo)
                table.insert(modules, "[L-SFT] ")
                table.insert(modules, core.colors.info)
                table.insert(modules, "\""..i.."\" | "..(v.desc or "No description provided.").."\n")
            end
            modules[#modules] = modules[#modules]:sub(1, -2)
            print(unpack(modules))
            
            core:log(log.TEXT, "---------------------------")
        elseif module ~= nil and command == nil then
            if not core.modules[module] then core:log(log.ERROR, "Module does not exist!") return end
            core:log(log.TEXT, "---------------------------")
            core:log(log.INFO, "List of available commands in module \""..module.."\":")
            
            local commands = {}
            for i, v in pairs(core.modules[module].commands) do
                table.insert(commands, core.colors.logo)
                table.insert(commands, "[L-SFT] ")
                table.insert(commands, core.colors.info)
                table.insert(commands, "\""..i.."\" | Usage: "..(v.usage or "No usage provided.").."\n")
            end
            commands[#commands] = commands[#commands]:sub(1, -2)
            print(unpack(commands))
            
            core:log(log.TEXT, "---------------------------")
        elseif module ~= nil and command ~= nil then
            if not core.modules[module].commands[command] then core:log(log.ERROR, "Command does not exist in module \""..module.."\"!") return end
            core:log(log.TEXT, "---------------------------")
            core:log(log.INFO, "Usage: "..(core.modules[module].commands[command].usage or "Command: "..command.." (No usage provided)"))
            core:log(log.INFO, "Description: "..(core.modules[module].commands[command].desc or "No description provided."))
            core:log(log.TEXT, "---------------------------")
        else
            core:log(log.ERROR, "Universe is broken.")
        end
    end
    
    core.modules = {
        core = {
            version = 0.1,
            desc = "Built in module.",
            commands = {
                stats = {
                    func = stats,
                    usage = "stats",
                    desc = "Gets performance information about this Starfall chip.",
                },
                hud = {
                    func = hud,
                    usage = "hud",
                    desc = "Toggles the built in Starfall HUD",
                },
                help = {
                    desc = "List modules, list commands in a module or gets information about a specific command.",
                    usage = "help [module] [command]",
                    func = help,
                },
            },
        },
    }
end

core.config = {}
core.defaultconfig = {
    core = {
        command_prefix = "!n",
        colors = {
            logo = Color(255,200,50),
            text = Color(255,255,255),
            info = Color(50,150,255),
            warn = Color(255,120,50),
            error = Color(255,50,50),
        },
        controls = {
            forward = KEY.W,
            backward = KEY.S,
            left = KEY.A,
            right = KEY.D,
            up = KEY.SPACE,
            down = KEY.CTRL,
            run = KEY.SHIFT,
        },
    },
}

core.colors = {}

core.maxCPU = 0
core.minNet = net.getBytesLeft()
core.maxRAM = 0

log = {
    ERROR=0,
    WARNING=1,
    INFO=2,
    TEXT=3
}

function core:init(config)
    -- If the streamed config exists and has stuff in it, use it instead of the empty one
    if config != nil and #config > 0 then
        core.config = config
    end
    
    core:load_modules()
    
    local hud = prop.createComponent(chip():getPos(), Angle(0,0,0), "starfall_hud", "models/bull/dynamicbutton.mdl", true)
    hud:linkComponent(chip())
    hud:setSolid(false)
    hud:setColor(Color(255,255,255,0))
    enableHud(owner(), true)
    core.hud = true
    
    core.colors.logo = core:get_config("core","colors","logo")
    core.colors.text = core:get_config("core","colors","text")
    core.colors.info = core:get_config("core","colors","info")
    core.colors.warn = core:get_config("core","colors","warn")
    core.colors.error = core:get_config("core","colors","error")
    
    core.command_prefix = core:get_config("core","command_prefix")
    
    core:log(log.INFO, "Loaded v"..core.modules.core.version.." successfully")
    net.start("LSFT-Loaded")
    net.send()
    
    return true
end

function core:get_config(...)
    local args = {...}
    
    local cur = core.config
    for arg in pairs(args) do
        for i,v in pairs(cur) do
            if i == args[arg] then
                if type(v) == "table" then
                    --cur = cur[i]
                    cur = v
                    continue
                else
                    return v
                end
            end
        end
    end
    
    local cur = core.defaultconfig
    for arg in pairs(args) do
        for i,v in pairs(cur) do
            if i == args[arg] then
                if type(v) == "table" then
                    --cur = cur[i]
                    cur = v
                    continue
                else
                    return v
                end
            end
        end
    end
    
    error("Config value requested, but no current or default entry exists!")
end

function core:load_modules()
    dodir("lsft/modules/server")
    dodir("lsft/modules/shared")
    
    hook.add("PlayerSay", "CommandCheck", function(ply, str)
        if ply == owner() and string.find(str, "^"..core.command_prefix) then
            local stringin = string.explode(" ", str)
            local command = string.sub(stringin[1], #core.command_prefix+1)
            local args = {}
            
            for i, v in pairs(stringin) do
                if i == 1 then continue end
                table.insert(args, v)
            end
            
            for i, v in pairs(core.modules) do
                for commandin, commandthing in pairs(v["commands"]) do
                    if command == commandin then
                        commandthing.func({unpack(args)})
                        return ""
                    end
                end
            end
            
            --print(core.color_logo, "[L-SFT] ", core.color_error, "Error: \""..command.."\" is not a valid command!")
            core:log(log.ERROR, "\""..command.."\" is not a valid command!")

            return ""
        end
    end)
end

function core:log(...)
    local args = {...}
    local loglevel = args[1]
    local message = { unpack(args, 2, #args) }
    local color = Color(0,0,0)
    
    if loglevel == log.ERROR then color = core.colors.error
    elseif loglevel == log.WARNING then color = core.colors.warn
    elseif loglevel == log.INFO then color = core.colors.info
    elseif loglevel == log.TEXT then color = core.colors.text
    end
    
    print(core.colors.logo, "[L-SFT] ", color, unpack(message))
end

net.receive("LSFT-Config-Read", function(len, ply)
    if ply == owner() then
        -- Colors settings aren't loaded yet, so use dumb printing method with default colors (Don't ever do this >:c)
        --print(core.defaultconfig.core.color_logo, "[L-SFT] ", core.defaultconfig.core.color_info, "Downloading configuration: 0%")
        
        timer.create("ConfigProgress", 0.25, 0, function()
            print(core.defaultconfig.core.colors.logo, "[L-SFT] ", core.defaultconfig.core.colors.info, "Downloading configuration: ", math.round(net.getStreamProgress() * 100, 2), "%")
        end)
        
        net.readStream(function(data)
            timer.remove("ConfigProgress")
            core:init(json.decode(data))
        end)
    else
        print(core.defaultconfig.core.colors.logo, "[L-SFT] ", core.defaultconfig.core.colors.error, ply:getName().." is trying to give us a config")
    end
end)

net.receive("LSFT-Get-Config", function()
    net.start(net.readString())
    local output = {}
    while true do
        local temp = net.readTable()
        if #temp == 0 then break end
        net.writeTable({core:get_config(unpack(temp))}) -- what the fuck
    end
    net.send()
end)


timer.create("CPUCheck", 1, 0, function()
    if quotaAverage() > core.maxCPU then
        core.maxCPU = quotaAverage()
    end
    
    if quotaAverage() > quotaMax() * 0.5 then
        core:log(log.WARNING, "CPU quota is low! ("..math.round(100-(quotaAverage()*100/quotaMax())).."% remaining)")
    elseif quotaAverage() > quotaMax() * 0.9 then
        core:log(log.ERROR, "CPU quota is critically low! ("..math.round(100-(quotaAverage()*100/quotaMax())).."% remaining)")
        timer.pause("CPUCheck")
        timer.pause("NetCheck")
        timer.pause("RAMCheck")
        timer.simple(10, function() timer.unpause("CPUCheck") timer.unpause("NetCheck") timer.unpause("RAMCheck") end)
    end
end)

timer.create("NetCheck", 1, 0, function()
    if net.getBytesLeft() < core.minNet then
        core.minNet = net.getBytesLeft()
    end
    
    if net.getBytesLeft() < 3000 then
        core:log(log.WARNING, "Network bandwidth is low! ("..net.getBytesLeft().." bytes left)")
    elseif net.getBytesLeft() < 1000 then
        core:log(log.ERROR, "Network bandwidth is critically low! ("..net.getBytesLeft().." bytes left)")
    end
end)

timer.create("RAMCheck", 1, 0, function()
    if ramUsed() > core.maxRAM then
        core.maxRAM = ramUsed()
    end
    
    if ramUsed() > ramMax() * 0.5 then
        core:log(log.WARNING, "RAM usage is high! ("..math.round(ramUsed()*100/ramMax()).."% used)")
    elseif ramUsed() > ramMax() * 0.9 then
        core:log(log.ERROR, "RAM usage is critically high! ("..math.round(ramUsed()*100/ramMax()).."% used)")
    end
end)