using Newtonsoft.Json;

namespace AiQ_GUI
{
    internal class TestTube
    {
        public static string TTPiPicoIP = "";

        // Gets the API JSON from the Test Tube Pi Pico
        public static async Task<TestTubeAPI> GetAPI()
        {
            string url = $"http://{TTPiPicoIP}/api";

            try
            {
                using CancellationTokenSource cts = new CancellationTokenSource(2000);
                string JSON = await Network.Client.GetStringAsync(url, cts.Token);

                TestTubeAPI? result = JsonConvert.DeserializeObject<TestTubeAPI>(JSON);

                if (result == null)
                {
                    MainForm.Instance.AddToActionsList("JSON deserialization from test tube returned null");
                    return new TestTubeAPI();
                }
                return result;

            }
            catch (TaskCanceledException)
            {
                MainForm.Instance.AddToActionsList($"Timeout calling {url} after 2s.");
                return new TestTubeAPI();
            }
            catch (Exception ex)
            {
                MainForm.Instance.AddToActionsList($"Error in GetAPI: {ex.Message}");
                return new TestTubeAPI();
            }
        }

        // Sets LED's to medium or safe depending on whether the switch is pressed down or not
        public static async Task<bool> CheckInTestTube(string CamIP)
        {
            if (await InTestTube()) // Switch pressed down
            {
                string LEDreply = await FlexiAPI.APIHTTPLED(CamIP, LEDPOWER.MID); // Set LED's to medium (0x30)

                if (!LEDreply.Contains("Power levels set successfully"))
                    MainForm.Instance.AddToActionsList($"LED level could not be set: {LEDreply}");

                return true;
            }
            else
            {
                string LEDreply = await FlexiAPI.APIHTTPLED(CamIP, LEDPOWER.SAFE); // Set LED's to safe (0x0E)

                if (!LEDreply.Contains("Power levels set successfully"))
                    MainForm.Instance.AddToActionsList($"LED level could not be set: {LEDreply}");

                await MainForm.Instance.DisplayOK("Please put camera in test tube then click OK"); // Awaited till OK has been clicked
                return await InTestTube(); // Check again after user says they have put it in the test tube 
            }
        }

        // Checks whether the TestTube has the switch presses down or not
        public async static Task<bool> InTestTube()
        {
            TestTubeAPI TTAPI = await GetAPI();

            try
            {
                if (TTAPI.Switch[0] == true) // Switch not pressed down
                    return true;
            }
            catch (Exception ex)
            {
                MainForm.Instance.AddToActionsList($"Error checking Test Tube switch state: {ex.Message}");
            }

            return false;
        }
    }

    public class TestTubeAPI
    {
        public List<bool> Switch { get; set; } = [];
    }
}