---
--- Generated by EmmyLua(https://github.com/EmmyLua)
--- Created by Administrator.
--- DateTime: 2022/5/30 11:36
---

local Loader = {}
local BinaryFile = require("Binary/BinaryFile")
local BinaryBytes = require("Binary/BinaryBytes")

local LoaderType = {
    Bundle = 1,
    File = 2
}

local UnityApplication = CS.UnityEngine.Application
local UnityRuntimePlatform = CS.UnityEngine.RuntimePlatform
local ExternalAgent = CS.BinaryExternalAgent;

function Loader.New(path)

    local loader = {}
    setmetatable(loader, { __index = Loader })
    local res = loader:Ctor(path)
    if not res then
        return nil
    end

    return loader;
end

function Loader:InitFromFile(filePath)
    self.FileBinary = BinaryFile.New(filePath)
    self.Type = LoaderType.File
    return self.FileBinary ~= nil
end

function Loader:InitFromBytes(filePath)
    self.Type = LoaderType.Bundle
    self.BytesBinary = BinaryBytes.New(self.TablePath)
    if ExternalAgent.USE_EXTERNAL_FILE == 1 and self.BytesBinary ~= nil and filePath ~= nil and filePath ~= "" then
        ExternalAgent.PushToExternal(filePath, self.BytesBinary.Bytes)
    end
    return self.BytesBinary ~= nil
end

function Loader:Ctor(path)
    self.TablePath = path
    self.LoadCount = 0
    if UnityApplication.platform == UnityRuntimePlatform.Android or UnityApplication.platform == UnityRuntimePlatform.IPhonePlayer or XMain.IsWindowsEditor then
        if ExternalAgent.USE_EXTERNAL_FILE == 1 then
            local hasExternal, filePath = ExternalAgent.TryGetExternalFile(path)
            if hasExternal then
                return self:InitFromFile(filePath)
            else
                return self:InitFromBytes(filePath)
            end
        else
            return self:InitFromBytes()
        end

    else
        return self:InitFromBytes()
    end
end


function Loader:GetLen()
    if self.Type == LoaderType.Bundle then
        return self.BytesBinary:GetLen()
    else
        return self.FileBinary:GetLen()
    end
end

function Loader:ReadInt()
    if self.Type == LoaderType.Bundle then
        return self.BytesBinary:ReadInt()
    else
        return self.FileBinary:ReadInt()
    end
end

function Loader:GetReader(len, offset)
    if self.Type == LoaderType.Bundle then
        return self.BytesBinary:GetReader(len, offset)
    else
        return self.FileBinary:GetReader(len, offset)
    end
end

function Loader:Close()
    if self.Type == LoaderType.Bundle then
        return self.BytesBinary:Close()
    else
        return self.FileBinary:Close()
    end
end

return Loader;