testing

version = "Hivemind v0.0"
devBuild = false

-- Declare table to store system functions and system data within it
local system = {["data"] = {}}

system.getBasic = function()
 -- Universal system data
    system.data.version = version

 -- Check if advanced/basic
    if term.isColour() then system.data.grade = "Advanced"
    else system.data.grade = "Basic" end

 -- Check device type
    if peripheral.getType("back") == "neuralInterface" then system.data.type = "Neural"
    elseif turtle then system.data.type = "Turtle"
    else system.data.type = "Computer" end
return {["version"] = system.data.version, ["grade"] = system.data.grade, ["type"] = system.data.type} end

system.getPos = function()
 -- Check for GPS
    system.data.pos = {}
    system.data.pos["x"],system.data.pos["y"],system.data.pos["z"] = gps.locate()
    if not system.data.pos["x"] then system.data.pos = "Lost" end
return system.data.pos end

system.getPeriph = function()
 -- Check peripherals (+modules)
    system.data.peripherals = {}
    side = peripheral.getNames()
    for i = 1,#side do
        system.data.peripherals[side[i]] = peripheral.getType(side[i])
    end

    if peripheral.getType("back") == "neuralInterface" then
        if peripheral.wrap("back").listModules() then
            system.data.peripherals.modules = peripheral.wrap("back").listModules()
        end
    end
return system.data.peripherals end


system.getBearing = function()
 -- Check where turtle/mob is facing
    if turtle then
        if turtle.getFuelLevel() > 1 and system.data.pos["x"] then
            turns = 0
            for attempt = 1,4 do
                if not system.data.pos["bearing"] and turtle.forward() then
                    local tmpX,tmpY,tmpZ = gps.locate()
                    if tmpX then
                        tmpX = tmpX - system.data.pos["x"]
                        tmpZ = tmpZ - system.data.pos["z"]
                        if tmpX ~= 0 then
                            if tmpX > 0 then
                                system.data.pos["bearing"] = "east"
                            else
                                system.data.pos["bearing"] = "west"
                            end
                        elseif tmpZ ~= 0 then
                            if tmpZ > 0 then
                                system.data.pos["bearing"] = "south"
                            else
                                system.data.pos["bearing"] = "north"
                            end
                        end
                    end
                    if not turtle.back() then
                        system.data.pos["x"],system.data.pos["y"],system.data.pos["z"] = gps.locate()
                        if not system.data.pos["x"] then system.data.pos = "Lost" end
                    end
                end
                if not system.data.pos["bearing"] then
                    turtle.turnLeft()
                    turns = turns + 1
                else
                    if turns == 3 then
                        turtle.turnLeft()
                    else
                        for t = 1,turns do
                            turtle.turnRight()
                        end
                    end
                    break
                end
            end
        end

    elseif peripheral.getType("back") == "neuralInterface" then
        if peripheral.wrap("back").hasModule("plethora:sensor") and peripheral.wrap("back").hasModule("plethora:introspection") then
            system.data.pos["bearing"] = peripheral.wrap("back").getMetaOwner().yaw
        end
    end
return system.data.pos["bearing"] end

system.getFuel = function()
 -- Check turtle fuel level
    if turtle then
        system.data.fuel = turtle.getFuelLevel()
    end
return system.data.fuel end

system.getInv = function()
-- Check turtle-inventory/interface-equipment
    if turtle then
        system.data.inventory = {}
        for i = 1,16 do
            if turtle.getItemDetail(i) then
                system.data.inventory[i] = {turtle.getItemDetail(i).count, turtle.getItemDetail(i).name}
            end
        end

    elseif peripheral.getType("back") == "neuralInterface" then
        if peripheral.wrap("back").hasModule("plethora:introspection") then
            system.data.inventory = {}
            for itemSlot,itemData in pairs(peripheral.wrap("back").getEquipment().list()) do
                system.data.inventory[itemSlot] = itemData.name
            end
        end
    end
return system.data.inventory end

system.setup = function()
-- Create system data fil
    system.getBasic()
    system.getPos()
    system.getPeriph()
    system.getBearing()
    system.getFuel()
    system.getInv()
    --if not fs.exists("//system.txt") then
        file = fs.open("//system.txt","w")
        file.write(textutils.serialise(system.data))
        file.close()
    --else
        --oldData = fs.open("//system.txt","r").readAll()
    --end
end

system.netType = function(type)
    if not fs.exists("//system.txt") then
        system.setup()
    end
    file = fs.open("//system.txt","r")
    system = textutils.unserialise(file.readAll())
    file.close()
    system.data.netType = type
end

local network = {["data"] = {}}

network.create = function()
    system.netType("Database")
end

network.delete = function()
    print("delete")
end

network.add = function()
    print("add")
end

network.remove = function()
    print("remove")
end

-- Allow access to functions
return {
system = system,
network = network,
}