using System.ComponentModel.DataAnnotations;
using Landmark.OLA.Models.Individuals;
using Landmark.OLA.Models.Assets;
using Landmark.OLA.Models.Loan.Enums;
using MongoDB.Bson.Serialization.Attributes;

namespace Landmark.OLA.Models.Loan
{
    [BsonIgnoreExtraElements]
    public class LoanApplication : OlaModel
    {
        [Required]
        //Nullable so that there is no default value
        public LoanType? LoanType { get; set; }

        [Required]
        //One Billion is an arbitrary limit but I'm pretty confidant that it will be an acceptable upper limit for a long time.
        [Range(minimum: 0, maximum: 1000000000)]
        //Nullable so that there is no default value
        public decimal? RequestedAmount { get; set; }

        //Required for Personal Signature loans.
        [StringLength(100)]
        public string PurposeOfLoanSignature { get; set; }

        public DateTime Date { get; private set; }

        [Range(minimum: 0, maximum: 1000000000)]
        //Required for certain loan types. Checked by FluentValidation.
        public int? TermLengthInMonths { get; set; }

        //these could be ICollection if needed, would impact builders
        public RealEstate RealEstate { get; set; }
        public Vehicle Vehicle { get; set; }
        public ManufacturedHome ManufacturedHome { get; set; }
        public Guid SecuredCardCollateralId { get; }

        [Required]
        //Nullable so that there is no default value
        //Values must match loan type. Checked by FluentValidation.
        public LoanPurpose.Purpose? Purpose { get; set; }

        [Required]
        public Individual PrimaryBorrower { get; set; }

        public CoApplicant CoApplicant { get; set; }

        public string ModFeeAccount { get; set; }

        //3500 is maximum crif note length
        [StringLength(3500)]
        [RegularExpression(@"[\w\d\s\.\,\&\n\r\@\-\;\'\!]*")]
        public string Note { get; set; }

        public string PrimaryContactMethod { get; set; }
        public string PromoCode { get; set; }
        public string LoanTitle { get; set; }
        [StringLength(3450)]
        public string ClientMessage { get; set; }
        public DateTime DisclosureDate { get; set; }
        public string IPAddress { get; set; }

        public IList<LoanApplicationFile> Files { get; set; }

        public LoanApplication()
        {
            Date = DateTime.Now;
            SecuredCardCollateralId = Guid.NewGuid();
            Files = [];
        }

        public LoanApplication(DateTime? loanDate = null, Guid? securedCardCollateralId = null, string loanId = null)
        {
            Date = loanDate ?? DateTime.Now;
            SecuredCardCollateralId = securedCardCollateralId ?? Guid.NewGuid();
            Id = loanId ?? null;
            Files = [];
        }
    }
}