using GB5Shared.ListQuery;

namespace PIEDAL.DTO.Estimation;

// ── MPIEESTIMATIONRULE — save / edit ──────────────────────────────────────────

public class PIEEstimationRuleDTO
{
    public Guid     RuleId          { get; set; }
    public Guid     ModuleId        { get; set; }
    /// <summary>Display-only — joined on GET</summary>
    public string?  ModuleName      { get; set; }
    /// <summary>1=Quick 2=Standard 3=Complex 4=Enterprise</summary>
    public short    EngagementType  { get; set; }
    /// <summary>1=Low 2=Medium 3=High</summary>
    public short    ComplexityLevel { get; set; } = 2;
    public decimal  BaseHours       { get; set; }
    public decimal  ConfigHours     { get; set; }
    public decimal  TrainingHours   { get; set; }
    public decimal  MigrationHours  { get; set; }
    public decimal  UatHours        { get; set; }
    /// <summary>PM overhead percentage added on top of total</summary>
    public decimal  PmOverheadPct   { get; set; } = 15.00m;
    public decimal  ConfidenceScore { get; set; } = 80.00m;
    /// <summary>STATUS: 1=Active, 0=Inactive</summary>
    [GB5Shared.EntityHandler.WorkflowStatusField]
    public short    IsActive        { get; set; } = 1;
    public DateTime ValidFrom       { get; set; } = DateTime.UtcNow.Date;
    public DateTime? ValidTo        { get; set; }
    public DateTime?  CreatedAt     { get; set; }
    public int        CreatedBy     { get; set; }
    public DateTime?  UpdatedAt     { get; set; }
    public int        UpdatedBy     { get; set; }
    public int        TenantId      { get; set; }
}

// ── MPIEESTIMATIONRULE — list ─────────────────────────────────────────────────

public sealed class PIEEstimationRuleListDTO
{
    public Guid    RuleId          { get; set; }
    public Guid    ModuleId        { get; set; }
    public string? ModuleName      { get; set; }
    public short   EngagementType  { get; set; }
    public short   ComplexityLevel { get; set; }
    public decimal BaseHours       { get; set; }
    public decimal ConfidenceScore { get; set; }
    public short   IsActive        { get; set; }
    public int     TotalCount      { get; set; }
}

public sealed class PIEEstimationRuleListCriteria : ICriteria
{
    [CriteriaField("moduleid")]        public Guid?   ModuleId        { get; set; }
    [CriteriaField("engagementtype")]  public short?  EngagementType  { get; set; }
    [CriteriaField("complexitylevel")] public short?  ComplexityLevel { get; set; }
    [CriteriaField("isactive")]        public short?  IsActive        { get; set; }
    [CriteriaField("searchtext")]      public string? SearchText      { get; set; }
    [CriteriaField("ouid")]            public int?    OUId            { get; set; }
    [CriteriaField("sortby")]          public string? SortBy          { get; set; }
    [CriteriaField("sortdesc")]        public bool    SortDesc        { get; set; }
    [CriteriaField("pagesize")]        public int     PageSize        { get; set; } = 100;
    [CriteriaField("pageoffset")]      public int     PageOffset      { get; set; } = 0;
}

public sealed record PIEEstimationRuleListQuery(PIEEstimationRuleListCriteria Criteria)
    : IListQuery<PIEEstimationRuleListDTO, PIEEstimationRuleListCriteria>;

// ── LPIEESTIMATIONSNAPSHOT — insert-only (immutable after creation) ────────────

public class PIEEstimationSnapshotDTO
{
    public Guid      SnapshotId      { get; set; }
    public string    EngagementRef   { get; set; } = string.Empty;
    /// <summary>Full result payload — serialized as JSON string</summary>
    public string    SnapshotData    { get; set; } = "{}";
    public decimal   TotalHours      { get; set; }
    public decimal   ConfidenceScore { get; set; }
    public DateTime? CreatedAt       { get; set; }
    public int       CreatedBy       { get; set; }
    public int       TenantId        { get; set; }

    /// <summary>Workflow status resolver target. Inert: no workflow rule is configured
    /// for this entity today; always 1 (Active). 0=Pending, 1=Active, 2=Deleted.</summary>
    [GB5Shared.EntityHandler.WorkflowStatusField]
    public byte      Status          { get; set; } = 1;
}

// ── Estimation calculation request / result (IDMS integration) ────────────────

public sealed class PIEEstimationRequestDTO
{
    public Guid       ProfileId       { get; set; }
    public List<Guid> ModuleIds       { get; set; } = new();
    public List<Guid> VariantIds      { get; set; } = new();
    /// <summary>1=Quick 2=Standard 3=Complex 4=Enterprise</summary>
    public short      EngagementType  { get; set; } = 2;
    /// <summary>1=Low 2=Medium 3=High</summary>
    public short      ComplexityLevel { get; set; } = 2;
    /// <summary>IDMS EngagementId — stored in snapshot for traceability</summary>
    public string     EngagementRef   { get; set; } = string.Empty;
}

public sealed class PIEEstimationResultDTO
{
    public Guid                       SnapshotId      { get; set; }
    public decimal                    TotalHours      { get; set; }
    public decimal                    ConfidenceScore { get; set; }
    public List<PIEModuleEstimateDTO> ModuleBreakdown { get; set; } = new();
}

public sealed class PIEModuleEstimateDTO
{
    public Guid    ModuleId       { get; set; }
    public string  ModuleName     { get; set; } = string.Empty;
    public decimal BaseHours      { get; set; }
    public decimal ConfigHours    { get; set; }
    public decimal TrainingHours  { get; set; }
    public decimal MigrationHours { get; set; }
    public decimal UatHours       { get; set; }
    public decimal TotalHours     { get; set; }
}