proposal-system/api/src/ProposalSystem.Domain/Entities/Proposal.cs

namespace ProposalSystem.Domain.Entities;

public enum ProposalStatus
{
    Draft,
    InReview,
    Approved,
    Sent,
    Revised
}

public enum ServiceCategory
{
    HVAC,
    Plumbing,
    Electrical,
    General,
    Renovation,
    Other
}

public enum Priority
{
    Standard,
    Urgent,
    Emergency
}

public class Proposal
{
    public Guid Id { get; set; }
    public string ProposalNumber { get; set; } = string.Empty;
    public string WorkOrderNumber { get; set; } = string.Empty;
    public string? PoNumber { get; set; }
    public string CustomerName { get; set; } = string.Empty;
    public string CustomerAddress { get; set; } = string.Empty;
    public string ScopeOfWork { get; set; } = string.Empty;
    public string? RefinedScope { get; set; }
    public ServiceCategory ServiceCategory { get; set; }
    public Priority Priority { get; set; }
    public ProposalStatus Status { get; set; }
    public decimal TotalBidAmount { get; set; }
    public decimal? VendorTotalCost { get; set; }
    public string Notes { get; set; } = string.Empty;
    public Guid SubmittedById { get; set; }
    public DateTime SubmittedAt { get; set; }
    public Guid? AssignedAdminId { get; set; }
    public Guid? ApprovedById { get; set; }
    public DateTime? ApprovedAt { get; set; }
    public DateTime? SentAt { get; set; }
    public int CurrentRevision { get; set; } = 1;
    public Guid? ParentProposalId { get; set; }
    public DateTime CreatedAt { get; set; }
    public DateTime UpdatedAt { get; set; }

    public User? SubmittedBy { get; set; }
    public User? AssignedAdmin { get; set; }
    public User? ApprovedBy { get; set; }
    public Proposal? ParentProposal { get; set; }
    public ICollection<LineItem> LineItems { get; set; } = new List<LineItem>();
    public ICollection<VendorProposal> VendorProposals { get; set; } = new List<VendorProposal>();
}