using ProposalSystem.Application.DTOs;

namespace ProposalSystem.Application.Interfaces;

public interface IProposalService
{
    Task<ProposalResponse> CreateAsync(CreateProposalRequest request, CancellationToken ct = default);
    Task<ProposalResponse?> GetByIdAsync(Guid id, CancellationToken ct = default);
    Task<PagedResponse<ProposalListResponse>> GetAllAsync(ProposalFilterRequest filter, CancellationToken ct = default);
    Task<ProposalResponse> UpdateAsync(Guid id, UpdateProposalRequest request, CancellationToken ct = default);
    Task<ProposalResponse> ApproveAsync(Guid id, CancellationToken ct = default);
    Task<ProposalResponse> MarkSentAsync(Guid id, CancellationToken ct = default);
    Task<ProposalResponse> ReviseAsync(Guid id, CancellationToken ct = default);
    Task<IReadOnlyList<ProposalResponse>> GetRevisionHistoryAsync(Guid id, CancellationToken ct = default);
    Task<IReadOnlyList<AuditLogResponse>> GetAuditTrailAsync(Guid id, CancellationToken ct = default);
    Task<ProposalStatsResponse> GetStatsAsync(CancellationToken ct = default);
}