using System.Xml.Linq;
using CRIF.ACTion.Common;
using CRIF.ACTion.Common.Builders;
using CRIF.ACTion.Configuration;
using Landmark.OLA.Models;

namespace CRIF.ACTion.Loan.Individuals
{
    public class AppPartiesSection : CrifRequestSection
    {
        public AppPartiesSection(XNamespace sectionNamespace, CrifSettings settings)
            : base(sectionNamespace, "appParties", settings)
        {

        }

        public void AddIndividualParty(IReferenceable individual, PartyType partyType, bool hasOptedOutTCPA = false)
        {
            var borrowerTypeString = partyType == PartyType.primaryBorrower ? "primaryBorrower" : "borrower";

            var individualParty = new XElement(CrifNamespaces.App + borrowerTypeString,
                    new XAttribute(CrifNamespaces.Common + "idRef", individual.Id),
                    new XAttribute(CrifNamespaces.Common + "partyType", "Individual"),
                    new XAttribute(CrifNamespaces.App + "isCollateralGrantorFL", false)
                );

            individualParty.Add(GetCustomField(partyType, hasOptedOutTCPA));

            AddContent(individualParty);
        }

        private XElement GetTCPACustomField()
        {
            var customField = GetBoolFieldLinkElement(CrifConstants.TCPA_Opt_Out_Field_Id,
                true, "IndividualApplicant");

            return customField;
        }

        private XElement GetCustomField(PartyType type, bool includeTCPAOptOut)
        {
            var fieldValue = type switch
            {
                PartyType.NonSigningSpouseMarriedToCoBorrower => CrifConstants.Borrower_IsApplicantNonSigningSpouse_Field_NonSigningMarriedToCo,
                PartyType.NonSigningSpouseMarriedToPrimary => CrifConstants.Borrower_IsApplicantNonSigningSpouse_Field_NonSigningMarriedToPrimary,
                _ => CrifConstants.Borrower_IsApplicantNonSigningSpouse_Field_Borrower,
            };
            var customField = GetLookupFieldLinkElement(CrifConstants.Borrower_IsApplicantNonSigningSpouse_Field_Id,
                fieldValue, "IndividualApplicant");

            if (includeTCPAOptOut)
            {
                var tcpaField = GetTCPACustomField();
                var fieldsElementWithTCPA = new XElement(CrifNamespaces.App + "fields", customField, tcpaField);
                return fieldsElementWithTCPA;
            }

            var fieldsElement = new XElement(CrifNamespaces.App + "fields", customField);

            return fieldsElement;
        }

        public void SetSourceChannel(Guid channelId)
        {
            var sourceChannel = new XElement(CrifNamespaces.App + "sourceChannel",
                new XAttribute(CrifNamespaces.Common + "idRef", channelId),
                new XAttribute(CrifNamespaces.Common + "partyType", "Channel"));

            AddContent(sourceChannel);
        }

        public void SetServicingChannel(Guid channelId)
        {
            var servicingChannel = new XElement(CrifNamespaces.App + "servicingChannel",
                new XAttribute(CrifNamespaces.Common + "idRef", channelId),
                new XAttribute(CrifNamespaces.Common + "partyType", "Channel"));

            AddContent(servicingChannel);
        }

        private static XElement GetLookupFieldLinkElement(int Id, int value, string fieldLevel)
        {
            var lookupFieldLinkElement = new XElement(CrifNamespaces.Common + "lookupFieldLink",
                                        new XAttribute(CrifNamespaces.Common + "value", value),
                                            new XElement(CrifNamespaces.Common + "customLookupField",
                                            new XAttribute(CrifNamespaces.Common + "ID", Id),
                                            new XAttribute(CrifNamespaces.Common + "fieldLevel", fieldLevel)));

            return lookupFieldLinkElement;
        }

        private static XElement GetBoolFieldLinkElement(int Id, bool value, string fieldLevel)
        {
            var lookupFieldLinkElement = new XElement(CrifNamespaces.Common + "boolFieldLink",
                                        new XAttribute(CrifNamespaces.Common + "value", value),
                                            new XElement(CrifNamespaces.Common + "customLookupField",
                                            new XAttribute(CrifNamespaces.Common + "ID", Id),
                                            new XAttribute(CrifNamespaces.Common + "fieldLevel", fieldLevel)));

            return lookupFieldLinkElement;
        }

        public enum PartyType
        {
            primaryBorrower,
            borrower,
            NonSigningSpouseMarriedToPrimary,
            NonSigningSpouseMarriedToCoBorrower,
        }
    }
}