namespace AiQ_GUI
{
    internal class CameraModules
    {
        // Chack camera modules are in default state according to what the diagnostics API. 
        public static void CheckCamModule(Module CamMod, Label Lbl)
        {
            if (CamMod == null || Lbl == null)
            {
                MainForm.Instance.AddToActionsList("Camera module or label was null in CheckCamModule.");
                return;
            }

            string errMssg = "";

            if (CamMod.zoom != 0) // Check camera module is at full wide
                errMssg += $"Zoom not at 0 - {CamMod.zoom} ";

            if (CamMod.firmwareVer != UniversalData.WonwooFirmware) // Check camera module firmware version is up to date.
                errMssg += $"Firmware: {CamMod.firmwareVer} should be {UniversalData.WonwooFirmware} ";

            if (CamMod.expMode != 0) // Auto 0=0x00
                errMssg += $"Exp mode not set: {CamMod.expMode} ";

            try
            {
                Lbl.Invoke(() =>
                {
                    if (string.IsNullOrWhiteSpace(errMssg))
                    {
                        Lbl.Text += "OK";
                        Lbl.ForeColor = Color.LightGreen;
                    }
                    else
                    {
                        Lbl.Text += errMssg;
                        Lbl.ForeColor = Color.Red;
                    }
                });
            }
            catch (Exception ex)
            {
                MainForm.Instance.AddToActionsList("Exception in CheckCamModule: " + ex.Message);
            }
        }


        // Sets shutter, iris and gain to the values given in the dropdowns on the GUI. 
        public static async Task SetSIG(ComboBox Shutter, ComboBox Iris, ComboBox Gain, string IPAddress) // Set SIG according to the comboboxes on the images tab
        {
            if (Shutter.SelectedIndex == -1 || Iris.SelectedIndex == -1 || Gain.SelectedIndex == -1)
            {
                MainForm.Instance.AddToActionsList("Shutter, Iris and Gain need selecting in images tab.");
                return;
            }

            string ShutterVISCA = BuildVISCACommand("A", Shutter.SelectedIndex + 7); // Offset for not starting at the beggining of the VISCA table
            string IrisVISCA = BuildVISCACommand("B", Iris.SelectedIndex + 4); // Offset for not starting at the beggining of the VISCA table
            string GainVISCA = BuildVISCACommand("C", Gain.SelectedIndex);

            if (ShutterVISCA.Contains("ERROR") || IrisVISCA.Contains("ERROR") || GainVISCA.Contains("ERROR"))
            {
                MainForm.Instance.AddToActionsList("Problem with selected SIG values");
                return;
            }

            string ShutterReply = await FlexiAPI.APIHTTPVISCA(IPAddress, ShutterVISCA, true); // Set Shutter
            string IrisReply = await FlexiAPI.APIHTTPVISCA(IPAddress, IrisVISCA, true); // Set Iris
            string GainReply = await FlexiAPI.APIHTTPVISCA(IPAddress, GainVISCA, true); // Set Gain
            string OneshotReply = await FlexiAPI.APIHTTPVISCA(IPAddress, "8101041801FF", true); // Oneshot auto focus

            if (!ShutterReply.Contains("41") || !IrisReply.Contains("41") || !GainReply.Contains("41") || !OneshotReply.Contains("41"))
            {
                MainForm.Instance.AddToActionsList("Could not set Shutter, Iris, Gain correctly" + Environment.NewLine + "Shutter: " + ShutterReply + Environment.NewLine + "Iris: " + IrisReply + Environment.NewLine + "Gain: " + GainReply + Environment.NewLine + "Oneshot: " + OneshotReply);
            }
        }

        // Sets back to the latest factory defaults CSV that is in Flexi. 
        public static async Task FactoryResetModules(string IPAddress)
        {
            // Set both camera modules back to MAV defaults. Found in WonwooDefaultSettingsIR.csv & WonwooDefaultSettingsOV.csv
            Task<string> IRReply = FlexiAPI.APIHTTPRequest("/Infrared-camera-factory-reset", IPAddress, 10);
            Task<string> OVReply = FlexiAPI.APIHTTPRequest("/Colour-camera-factory-reset", IPAddress, 10);
            await Task.WhenAll(IRReply, OVReply);

            if (IRReply.Result != "Factory reset OK." || OVReply.Result != "Factory reset OK.")
                MainForm.Instance.AddToActionsList($"Could not reset camera modules to factory default.{Environment.NewLine}{IRReply}{Environment.NewLine}{OVReply}");
        }

        public static string BuildVISCACommand(string command, int hexValue)
        {
            // Take the augmented Selected index into a two nibble hex value.
            string hex = $"{hexValue:X2}";
            // Build the final VISCA command string using the input characters split as p and q
            return $"8101044{command}00000{hex[0]}0{hex[1]}FF";
        }
    }
}