using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using ECPDAL.Meeting.DTOs;

namespace ECPDAL.Meeting.Interfaces;

public interface IMeetingDAL
{
    Task<MeetingDTO?>      GetMeetingAsync(int meetingId, LoginDTO login, CancellationToken ct);

    /// <summary>Meeting-type dropdown (MGCM/GCMTYPEID) — Planning/Review/Standup/Retrospective.
    /// Dynamic — GcmTypeId is resolved at runtime by EnsureMeetingTypeGcmTypeIdAsync, never
    /// hardcoded.</summary>
    Task<List<MeetingTypePicklistDTO>> GetSelectListMeetingTypeAsync(int gcmTypeId, LoginDTO login, CancellationToken ct);

    /// <summary>Resolves MGCMTYPE.GCMTYPEID for GCMTYPECODE_MEETINGTYPE, auto-seeding the
    /// MGCMTYPE row and its 4 MGCM rows (Planning/Review/Standup/Retrospective) on first use so
    /// this works in any environment without a manual DBA seeding step.</summary>
    Task<int> EnsureMeetingTypeGcmTypeIdAsync(LoginDTO login, CancellationToken ct);

    /// <summary>Generic filter list via CriteriaDTO (FieldName/OperationType/JoinType) — e.g.
    /// OrganizerUserId, ParticipantUserId (EXISTS against TMEETINGPARTICIPANT), StartOn/EndOn
    /// range, MeetingTypeId, Status, ObjectTypeId/ObjectId. Null or empty criteria returns
    /// everything (still tenant-scoped by DatabaseName).</summary>
    Task<List<MeetingDTO>> GetMeetingListAsync(CriteriaDTO? criteriaDTO, LoginDTO login, CancellationToken ct);

    Task<int>  SaveMeetingAsync(MeetingDTO dto, LoginDTO login, CancellationToken ct);
    Task       UpdateMeetingAsync(MeetingDTO dto, LoginDTO login, CancellationToken ct);
    Task       UpdateMeetingStatusAsync(int meetingId, byte newStatus, int modifiedById, LoginDTO login, CancellationToken ct);
    Task       CancelMeetingAsync(int meetingId, int modifiedById, LoginDTO login, CancellationToken ct);

    Task<List<MeetingParticipantDTO>> GetParticipantsForMeetingAsync(int meetingId, LoginDTO login, CancellationToken ct);
    Task<MeetingParticipantDTO?>      GetParticipantAsync(int meetingId, int userId, LoginDTO login, CancellationToken ct);
    Task                              AddParticipantAsync(MeetingParticipantDTO dto, LoginDTO login, CancellationToken ct);
    Task                              UpdateParticipantAttendanceAsync(int meetingId, int userId, byte attendanceStatus, int modifiedById, LoginDTO login, CancellationToken ct);
    Task                              RemoveParticipantAsync(int meetingId, int userId, LoginDTO login, CancellationToken ct);

    /// <summary>"Invite participant" picker — active users not already a participant of the meeting.</summary>
    Task<List<MeetingParticipantPicklistDTO>> GetSelectListParticipantAsync(int meetingId, LoginDTO login, CancellationToken ct);
}