--@name koptilnya/mesh_loader/obj_parser
--@client
--@include /koptilnya/libs/workers.txt
require("/koptilnya/libs/workers.txt")

ObjParser = class("ObjParser")

local initialChipName = chip():getChipName()
local function setStatus(status)
    setName(string.format("%s (%s)", initialChipName, status))
end

function ObjParser:initialize(link)
    self.link = link
    self.rawData = nil
    self.objData = {}
end

function ObjParser:parse()
    addWorker(coroutine.wrap(function()
        setStatus("Getting file...")

        while not http.canRequest() do
            coroutine.yield(1)
        end

        local rawObj
        http.get(self.link, function(response)
            rawObj = response
        end)

        while not rawObj do
            coroutine.yield(1)
        end

        self.rawObj = rawObj
        self:onLoaded(rawObj)

        setStatus("File received, start parsing...")

        local triangles = mesh.trianglesLeft()

        self.objData = mesh.createFromObj(self.rawObj, true)

        self:onParsed(self.objData, triangles - mesh.trianglesLeft())

        setName(initialChipName)

        return 2
    end))
end

-- STUB

function ObjParser:onLoaded(objData)
end

function ObjParser:onParsed(meshData, usedTriangles)
end