GlassApi 2.0

-- Dependencies
local event = require("event")
local component = require("component")
local glass = component.openperipheral_bridge
local filesystem = require("filesystem")
local computer = require("computer")
glassApi = {}


-- Prefabs (do nothing) only for making object functions
local bodyPrefab = {}
local buttonPrefab = {}
local subBodyPrefab = {}
local headerPrefab = {}


-- Main tables for data
local objects = {}
local apps = {}
local headers = {}
local glassApi = {}
local onClick = {}

-- glassApi functions
function glassApi.newBody(_name,_x,_y,_width,_height,_color,_opacity)
    local object = {}
    setmetatable(object,{__index = bodyPrefab})
    local bodyObj = glass.addBox(_x,_y+10,_width,_height,_color,_opacity)
    object.body = bodyObj
    object.header= object:addHeader(_name,_x,_y,_width)
    object.textObjects = {}
    object.boxObjects = {}
    object.buttonObjects = {}
    object.subBodyObjects = {}
    objects[object.body.getId()] = object
    return object
end

function onButton(_object)
    local state = (not _object.enabled)
    local handler = apps[_object.handler]
    local id = _object.id
    local box = _object.box
    if state then box.setColor(0x00ff00)
    else box.setColor(0xff0000) end
    if handler.onButton then
        handler.onButton(id)
    end
end



-- bodyPrefab functions

function bodyPrefab:addHeader(_name,_x,_y,_width)
    local object = {}
    setmetatable(object,{__index = headerPrefab})
    object.box = glass.addBox(_x,_y,_width,10,0xb3b3b3,0.5)
    object.text = glass.addText(5,-9,_name,0x6600ff)
    onclick[object.box.getId()] = {glassApi.drag,self.body.getId}
    onclick[object.text.getId()] = {glassApi.drag,self.body.getId}
    return object
end

function bodyPrefab:addBox(_x,_y,_width,_height,_color,_opacity)
    local object = glass.addBox(self.body.getX()+_x,self.body.getY()+_y,_width,_height,_color,_opacity)
    self.boxObjects[object.getId()] = object
    return object
end

function bodyPrefab:addText(_x,_y,_text)
    local object = glass.addText(_x,_y,_text)
    self.textObjects[object.getId()] = object
    return object
end

function bodyPrefab:addButton(_x,_y,_text,_handle,_id,_default)
    local object = {}
    setmetatable(object,{__index = buttonPrefab})
    local color = 0xff0000
    if _default then color = 0x00ff00 end
    object.box = glass.addBox(_x,_y,10,10,color)
    object.text = glass.addText(_x + 15,_y,_text)
    object.enabled = (_default or false)
    object.handler = _handle
    object.id = (_id or object.box.getId())
    onclick[object.box.getId()] = {glassApi.onButton,object}
    self.buttonObjects[object.box.getId()] = object
    return object
end
























-- TEMP
function glassApi.getApps()
  for v in filesystem.list("/home/glassApp/") do
    if not (v == "template") then
    local temp = dofile("/home/glassApp/"..v)
    apps[temp.Id] = temp
    temp.setup()
    end
  end
end





function glassApi.run()
  for i,v in pairs(apps) do
    if v.lateSetup then v.lateSetup() end
  end
  p.sync()
  event.timer(2,function() computer.pushSignal("update") end,math.huge)
  while true do
    tab = {event.pull()}
    local isdrag, parentId = isDrag(tab)
    if isdrag then
      drag(objects[parentId])
    elseif tab[1] == "update" then
      print("tick tock")
      for i,v in pairs(apps) do
        if v.update then v.update() end
      end
      p.sync()
    else
      print(tab[1])
      for i,handler in pairs(apps) do
        if handler["on_event_"..tab[1]] then
          handler["on_event_"..tab[1]](tab)
        end
      end
    end
  end
end

glassApi.getApps()
glassApi.run()
return glassApi
--End TEMP