local sandwich = {
  _VERSION     = 'sandwich v1.0.0',
  _DESCRIPTION = 'A LÖVE2D resource manager',
  _URL         = 'http://github.com/superzazu/sandwich.lua',
  _LICENSE     = [[
    ... (license text)
  ]]
  _DOC         = [[
        sandwich.addType(type, callback)
            | type: string
            | callback: function(string, ...)
  ]]
}

local resources = {}

local callbacks = {
    image = function(resource_name, ...)
        love.graphics.newImage(resource_name)
    end,

    quad = function(resource_name, ...)
        love.graphics.newQuad(...)
    end,

    sound = function(resource_name, ...)
        love.audio.newSource(resource_name, 'static'),
    end,

    audio = function(resource_name, ...)
        love.audio.newSource(resource_name, 'shared')
    end
}

sandwich.addType = function(type, callback)
    callbacks[type] = callback
end

sandwich.addResource = function(type, resource_name, ...)
    if not resources[type] then
        resources[type] = {}
    end

    if not resources[type][resource_name] then
        resources[type][resource_name] = callbacks[type](resource_name, ...)
    end
end

sandwich.get = function(type, resource_name)
    return resources[type][resource_name]
end

return sandwich