require 'net/http'

@cameraDelay = 1 # Needed for image sync.
@fetchNewImageEvery = '3s'

@camera1Host = "192.168.0.20"  ## CHANGE
@camera1Port = "80"  ## CHANGE
@camera1Username = 'admin' ## CHANGE
@camera1Password ='*****'
@camera1URL = "/dms?nowprofileid=1&"
@newFile1 = "assets/images/cameras/snapshot1_new.jpg"
@oldFile1 = "assets/images/cameras/snapshot1_old.jpg"


def fetch_image(host,old_file,new_file, cam_user, cam_pass, cam_url)
    `rm #{old_file}`
    `mv #{new_file} #{old_file}`
    Net::HTTP.start(host) do |http|
        req = Net::HTTP::Get.new(cam_url)
        if cam_user != "None" ## if username for any particular camera is set to 'None' then assume auth not required.
            req.basic_auth cam_user, cam_pass
        end
        response = http.request(req)
        open(new_file, "wb") do |file|
            file.write(response.body)
        end

        end
    new_file
end

def make_web_friendly(file)
  "/" + File.basename(File.dirname(file)) + "/" + File.basename(file)
end

SCHEDULER.every @fetchNewImageEvery do
    STDOUT.flush
        new_file1 = fetch_image(@camera1Host,@oldFile1,@newFile1,@camera1Username,@camera1Password,@camera1URL)

    if not File.exists?(@newFile1)
        warn "Failed to Get Camera Image"
    end
    send_event('camera1', image: make_web_friendly(@oldFile1))
    sleep(@cameraDelay)
    send_event('camera1', image: make_web_friendly(new_file1))

end