using System.Net.Mail;
using System.Printing;
using System.Text.Json;
using System.Reflection;
using System.Drawing.Printing;

using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;

using CVRLIB.CVR;
using CVRLIB.Printing;
using CVRLIB.External.Communications;
using CVRLIB.Customers;
using static CVRLIB.Customers.PFUNCS;

using CVRLIB_NF.Printing;
using CVRLIB_NF.Customers;

using static VSERVERWS.Global.Globals;


namespace VSERVERWS.Controllers {



    [Route("api/Payment/[action]")]
    [ApiController]
    public class PaymentController : ControllerBase {


        public const bool PAY_STATUS_FORCE_OFFLINE = false;




        [HttpGet]
        public IActionResult PaymentStatus() {


            
            CVRPRINTER_MF264dw CVP2 = CVP_MF264dw;
            CVRPRINTER_MFC_L8900CDW CVP3 = CVP_MFC_L8900CDW;


            NF_CVRPrinterCollection CVPC = new NF_CVRPrinterCollection(new[] { (CVRPRINTER)CVP2, (CVRPRINTER)CVP3 });


            object? robj = null;

            switch (true) {
                //case true when CVP2.IsOnline && !PAY_STATUS_FORCE_OFFLINE:
                //case true when CVP2.IsPrintReady && !PAY_STATUS_FORCE_OFFLINE:

                case true when CVPC.IsOnline && !PAY_STATUS_FORCE_OFFLINE:
                case true when CVPC.IsPrintReady && !PAY_STATUS_FORCE_OFFLINE:

                    Console.WriteLine("CVP1 -> OK");
                    robj = new { PRINTER_NAME = CVPC.ToString(), STATUS = "OK" };

                    break;
                case true when CVPC.IsInError:

                    Console.WriteLine("CVPC -> ERROR");
                    robj = new {PRINTER_NAME = CVPC.ToString(), STATUS = "ERROR"};
                    AlertCVRtoPrinterERROR();

                    break;
                case true when PAY_STATUS_FORCE_OFFLINE:
#pragma warning disable CS0162 // Unreachable code detected

                    Console.WriteLine("CVP1 -> OFFLINE");
                    robj = new {PRINTER_NAME = CVPC.ToString(), STATUS = "OFFLINE"};
                    AlertCVRtoPrinterERROR();

#pragma warning restore CS0162 // Unreachable code detected
                    break;
                default:
                    Console.WriteLine("CVP1 -> ELSE");
                    robj = new {PRINTER_NAME = CVPC.ToString(), STATUS = "UNK"};

                    break;
            }


            return new JsonResult(robj);
        }




        private void AlertCVRtoPrinterERROR() {


            try {

                CVRPrinterCollection CVRPC = new CVRPrinterCollection(new[] { (CVRPRINTER)CVP_MF264dw, (CVRPRINTER)CVP_MFC_L8900CDW });
                
                foreach (ICVRPrinter CVRP in CVRPC) {
                    string tS = "";

                    tS = CVRP.LastRawStatus;
                    CVRCO.TryWriteToLog("Raw Printer Status (" + CVRP.PrinterName + ") is: " + tS, "PRINTERS", "PRINTER_STATUS");
                }

            } catch {}

            try {
                string[] SA = CVRCO.get_SYSPARAM("PayStatusLastError");

                DateTime LastError = DateTime.MinValue;

                if (!string.IsNullOrEmpty(SA[1])) {
                    LastError = DateTime.Parse(SA[1]);
                }

                if (DateTime.Now.Subtract(LastError).Hours > 2) {
                    Email E = new Email();
                    E.SEND_FROM = Email.SEND_FROM_ENUM.OFFICE365;

                    string B = "Payment System Printer error / offline: Check applicable printer(s) for error or offline!";
                    string S = "<cc> Payment System Printer Error: Check Printer(s)!";

                    var eV = new List<EmailImage>();
                    E.TrySendEmail(B, true, new MailAddressCollection() { new MailAddress("query@cvrco.ca")}, new MailAddress("info@cvrco.ca", "CVRBOT"), S, null, null, ref eV);

                    CVRCO.set_SYSPARAM("PayStatusLastError", null, new[] { DateTime.Now.ToString() });
                }
            } catch { }

        }




        [HttpGet]
        public IActionResult PaymentInfo() {
            JsonResult JR = new JsonResult(new { RESULT = "TEST OK!", PATH = Assembly.GetExecutingAssembly()?.FullName });
            return JR;
        }




        [HttpPost]
        public IActionResult PaymentInfo([FromForm] PayInfo inPI) {

            CI_NF CI_N = inPI.ToCI();
            object? rOBJ = null;

            Email E = new Email();
            E.SEND_FROM = Email.SEND_FROM_ENUM.OFFICE365;

            bool DupRetry = false;

            CI? tCI = null;

CCRETRY:

            try {

                CI_N.SaveToDB();

                try {
                    CI_N.Print();


                } catch (Exception ex) {

                    CVRPrinterCollection CVRPC = new CVRPrinterCollection(new[] { (CVRPRINTER)CVP_MF264dw, (CVRPRINTER)CVP_MFC_L8900CDW });

                    foreach (CVRPRINTER CVRP in CVRPC) {
                        string tS = "";

                        if (!CVRP.TryGetRawStatus(ref tS)) {
                            tS = "<unk>";
                        }

                        CVRCO.TryWriteToLog("Raw Printer Status (" + CVRP.PrinterName + ") is: " + tS, "PRINTERS", "PRINTER_STATUS");
                    }

                    var ev1 = new List<EmailImage>();
                    E.TrySendEmail("Web Credit Card printer error; check printer(s).", 
                        false, 
                        new MailAddressCollection() { new MailAddress("query@cvrco.ca")}, new MailAddress("info@cvrco.ca", "CVRBOT"), 
                        "<cc> Web CC Printer Failure, Check Printer(s)",
                        null, null, ref ev1);

                    if (rOBJ == null) {
                        rOBJ = new { SUCCESS = false, DATA = "P" };
                    }

                    try {
                        CI_N.Delete();
                    } catch (Exception pex) {
                        throw;
                    }
                    throw;
                }

                string W = "Provided";

                if (DupRetry) { W = "Updated"; }

                string B = "CC Info " + W + ", Use: " + CI_N.UID + @" / LAST5: " + CI_N.LAST5 + " FOR: " + CI_N.REF_NUM;
                string S = "<cc> CC Info " + W + ", Use: " + CI_N.UID + " for: " + CI_N.REF_NUM;

                if (DupRetry) {
                    B += "<br>REPLACE CC SHEET!";
                    S += " & Replace Sheet!";
                }

                var ev = new List<EmailImage>();
                E.TrySendEmail(B, 
                    true, 
                    new MailAddressCollection() { new MailAddress("query@cvrco.ca")}, 
                    new MailAddress("info@cvrco.ca", "CVRBOT"), 
                    S,
                    null, null, ref ev);

                if (rOBJ == null) {
                    rOBJ = new { SUCCESS = true, DATA = "N-" + CI_N.UID };
                }



            } catch (AttemptedToAddDuplicateCIException ex) {
                //email to store with dup meta details ie ref num / name


                CICollection CIC = new CICollection(CI_N.CHASH);

                if (CIC.Count == 1) {
                    foreach (string K in CIC.Keys) {
                        tCI = CIC[K];
                        break;
                    }
                }

                string B = "";
                string S = "";
                string D = "S";

                if (tCI != null) {

                    if ((!DupRetry && tCI.EXPIRY.Year != CI_N.EXPIRY.Year || tCI.EXPIRY.Month != CI_N.EXPIRY.Month) && 
                        (CI_N.FNAME.ToLower().Trim() == tCI.FNAME.ToLower().Trim() ||
                        CI_N.LNAME.ToLower().Trim() == tCI.LNAME.ToLower().Trim() ||
                        CI_N.PHONE.Trim() == tCI.PHONE.Trim() ||
                        CI_N.EMAIL.ToLower().Trim() == tCI.EMAIL.ToLower().Trim()
                        )) {

                        CI_N.UID = tCI.UID;
                        CI_N.LNAME = tCI.LNAME;

                        DupRetry = true;
                        goto CCRETRY;
                    }

                    D += "-" + tCI.UID;
                    B = "Attempted to Add duplicate Credit Card from WEB. <br><br><b>Details (OLD | NEW):</b><br> Ref: " + CI_N.REF_NUM + "<br> USE: " + tCI.UID + "<br>CVNUM: " + tCI.CUST_UID + " | " + CI_N.CUST_UID + "<br>FNAME: " + tCI.FNAME + " | " + CI_N.FNAME + "<br>LNAME: " + tCI.LNAME + " | " + CI_N.LNAME + "<br>PHONE: " + tCI.PHONE + " | " + CI_N.PHONE + "<br>EMAIL: " + tCI.EMAIL + " | " + CI_N.EMAIL + "<br>LAST5: " + tCI.LAST5 + " | " + CI_N.LAST5 + "<br>EXPIRY: " + tCI.EXPIRY.ToString("MM / yyyy") + " | " + CI_N.EXPIRY.ToString("MM / yyyy") + "<br>CVV (NEW ONLY): " + CI_N.SD;
                    S = "<cc> Duplicate CC received for Ref Num: " + CI_N.REF_NUM + " Use Card: " + tCI.UID;

                } else {

                    B = "Attempted to Add duplicate Credit Card from WEB.<br><br><b>Details (OLD | NEW):</b><br> Ref: " + CI_N.REF_NUM + "<br><br>ERROR FETCHING EXISTING CARD DETAILS!";
                    S = "<cc> Duplicate CC received for Ref Num: " + CI_N.REF_NUM + "Use Card: UNK";

                }

                var ev = new List<EmailImage>();
                E.TrySendEmail(B, 
                    true, 
                    new MailAddressCollection() { new MailAddress("query@cvrco.ca")}, 
                    new MailAddress("info@cvrco.ca", "CVRBOT"),
                    S,
                    null,null, ref ev);


                if (rOBJ == null) { rOBJ = new { SUCCESS = true, DATA = D }; }
            
            } catch (Exception ex) {

                string B = "General Web CC add exception, MSG: " + ex.Message + "<br><br>STACK: " + ex.StackTrace;
                string S = "<cc> Web CC General Failure";

                var ev = new List<EmailImage>();
                E.TrySendEmail(B, 
                    true, 
                    new MailAddressCollection() { new MailAddress("query@cvrco.ca")}, 
                    new MailAddress("info@cvrco.ca", "CVRBOT"), 
                    S,
                    null, null, ref ev);


                if (rOBJ == null) { rOBJ = new { SUCCESS = false, DATA = "F" }; }

            }


            var JR = new JsonResult(rOBJ);
            return JR;
        }


        public class PayInfo {
            public string RFNUM { get; set; } = "";
            
            public string? CVNUM { get; set; } = "";
            public string FNAME { get; set; } = "";
            public string LNAME { get; set; } = "";
            public string PHONE { get; set; } = "";
            public string EMAIL { get; set; } = "";

            public string CDNAM { get; set; } = "";
            public string CDNUM { get; set; } = "";
            public string EXPDT { get; set; } = "";
            public string CVDIG { get; set; } = "";
            public string CRDTY { get; set; } = "";
            public string CDDLD { get; set; } = "";


            public CI_NF ToCI() {

                var rCI = new CI_NF();

                rCI.CN = CDNUM;
                rCI.EXPIRY = DateTime.Parse(EXPDT);
                rCI.SD = CVDIG;
                rCI.CT = StoCTE(CRDTY);
                rCI.FNAME = FNAME;
                rCI.LNAME = LNAME;
                rCI.CUST_UID = CVNUM;
                rCI.PHONE = PHONE;
                rCI.EMAIL = EMAIL;

                DateTime tDLD = DateTime.Now.AddDays(14);
                if (!DateTime.TryParse(CDDLD, out tDLD)) {
                    tDLD = DateTime.Now.AddDays(14);
                }

                rCI.DELETE_DATE = tDLD;
                rCI.REF_NUM = RFNUM;

                return rCI;
            }


        }


    }
}