Config - API

local fs = require("filesystem")
local io = require("io")
local shell = require("shell")
local Dir = shell.getWorkingDirectory()

local Conf = {}

----API Functions---

function Conf.GetSide(Side)
    if (Side == "bottom") or (Side == "down") then
        return 0
    elseif (Side == "top") or (Side == "up") then
        return 1
    elseif (Side == "back") or (Side == "north") then
        return 2
    elseif (Side == "front") or (Side == "south") then
        return 3
    elseif (Side == "right") or (Side == "west") then
        return 4
    elseif (Side == "left") or (Side == "east") then
        return 5
    end
return nil
end

function Conf.ConfigExists(File)
fs.makeDirectory(Dir.."/Config")
File = Dir.."/Config/"..File
    if fs.exists(File) then
        return true
    else
        return false
    end
end

function Conf.GetConfig(File, Line)
File = Dir.."/Config/"..File
if not fs.exists(File) then
return nil
end
    local Lines = { }
    local Index = 0
    for LINE in io.lines(File) do
        Lines[Index] = LINE
        Index = Index + 1
    end
    if Lines[Line] == nil then
        return nil
    else
        OUT = Lines[Line]
        if(OUT == "true") then
            return true
        elseif(OUT == "false") then
            return false
        else
            return OUT
        end
    end
end

function Conf.EditConfig(File, Line, Name, Type)
    File = Dir.."/Config/"..File
    CreateConfig(File)
    local Lines = {}
    local Index = 0
    for LINE in io.lines(File) do
        Lines[Index] = LINE
        Index = Index + 1
    end
    print("Lines: " ..Index)
    local CorrectSyntax = false
    local Input
    while CorrectSyntax == false do
        print(Name)
        Input = io.read()
        if Type == "Direction" then if IsDirection(Input) then CorrectSyntax = true else print("Incorrect Syntax, Must Be Direction! (down, up, north, south, west, east)") end end
        if Type == "Facing" then if IsFacing(Input) then CorrectSyntax = true else print("Incorrect Syntax, Must Be Facing! (top, bottom, left, right, back, front)") end end
        if Type == "Number" then if IsNumber(Input) then CorrectSyntax = true else print("Incorrect Syntax, Must Be Number!") end end
        if Type == "Boolean" then if IsBoolean(Input) then CorrectSyntax = true else print("Incorrect Syntax, Must Be Boolean!") end end
        if Type == "String" then CorrectSyntax = true end
    end
    FILE = fs.open(File, "w")
    Index = -1
    local NumberOfLines = #Lines
    local ConfigLength
    if NumberOfLines >= Line then ConfigLength = NumberOfLines else ConfigLength = Line end
    for I = 0, ConfigLength do
        if I == Line then
        FILE:write(Input.."\n")
        else
        if Lines[I] == nil then FILE:write("\n") else FILE:write(Lines[I].."\n") end
        end
    end
    FILE:close()
end

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function IsNumber(str)
if tonumber(str) ~= nil then
return true
end
return false
end

function IsFacing(str)
    if str == "top" or str == "bottom" or str == "left" or str == "right" or str == "front" or str == "back" then
    return true
    end
    return false
end

function IsDirection(str)
    if str == "down" or str == "up" or str == "north" or str == "south" or str == "west" or str == "east" then
    return true
    end
    return false
end

function IsBoolean(str)
    if str == "true" or str == "false" then
    return true
    end
    return false
end

function CreateConfig(File)
    if not fs.exists(File) then
        local FILE = fs.open(File, "w")
        FILE:write("==Config==\n")
        FILE:close()
    end
end

return Conf