using System.Text.Json;
using Tiku.Domain.Common;

namespace Tiku.Domain.Content;

public sealed class ContentAssetAccessEvent : Entity
{
    public Guid TenantId { get; set; }
    public Guid? AssetId { get; set; }
    public Guid? UserId { get; set; }
    public AssetAccessActorRole ActorRole { get; set; } = AssetAccessActorRole.Anonymous;
    public AssetAccessType AccessType { get; set; } = AssetAccessType.Preview;
    public string? Visibility { get; set; }
    public string? AssetType { get; set; }
    public string? StorageProvider { get; set; }
    public AssetAccessDisposition? Disposition { get; set; }
    public int? ExpiresInSeconds { get; set; }
    public string? SignatureMode { get; set; }
    public AssetAccessResult Result { get; set; } = AssetAccessResult.Granted;
    public string? DenyCode { get; set; }
    public string? IpAddress { get; set; }
    public string? UserAgent { get; set; }
    public JsonElement Metadata { get; set; } = JsonDefaults.Object();
    public DateTimeOffset CreatedAt { get; set; } = DateTimeOffset.UtcNow;
}

public sealed class ContentAssetSecurityScanEvent : Entity
{
    public Guid TenantId { get; set; }
    public Guid? AssetId { get; set; }
    public string Provider { get; set; } = string.Empty;
    public AssetSecurityScanStatus ScanStatus { get; set; } = AssetSecurityScanStatus.Pending;
    public AssetSecurityRiskLevel RiskLevel { get; set; } = AssetSecurityRiskLevel.None;
    public string[] IssueCodes { get; set; } = [];
    public JsonElement Details { get; set; } = JsonDefaults.Object();
    public DateTimeOffset CreatedAt { get; set; } = DateTimeOffset.UtcNow;
}

public sealed class QuestionBankGrant : AuditableEntity
{
    public Guid SourceQuestionBankId { get; set; }
    public Guid? CreatedBy { get; set; }
    public Guid? UpdatedBy { get; set; }
    public QuestionBankGrantScope GrantScope { get; set; } = QuestionBankGrantScope.Plans;
    public string[] AllowedPlanCodes { get; set; } = [];
    public Guid[] AllowedTenantIds { get; set; } = [];
    public Guid[] AllowedRegionIds { get; set; } = [];
    public Guid[] AllowedSubjectIds { get; set; } = [];
    public QuestionBankGrantStatus Status { get; set; } = QuestionBankGrantStatus.Active;
    public DateTimeOffset? StartsAt { get; set; }
    public DateTimeOffset? ExpiresAt { get; set; }
    public JsonElement Metadata { get; set; } = JsonDefaults.Object();
}

public sealed class TenantQuestionBankAdoption : AuditableTenantEntity
{
    public Guid SourceQuestionBankId { get; set; }
    public Guid? GrantId { get; set; }
    public Guid? TargetQuestionBankId { get; set; }
    public Guid? TargetEntryId { get; set; }
    public Guid? TargetCollectionId { get; set; }
    public Guid? CreatedBy { get; set; }
    public Guid? UpdatedBy { get; set; }
    public QuestionBankAdoptionMode AdoptionMode { get; set; } = QuestionBankAdoptionMode.CopiedSnapshot;
    public QuestionBankAdoptionStatus Status { get; set; } = QuestionBankAdoptionStatus.Active;
    public QuestionBankAdoptionSyncStatus SyncStatus { get; set; } = QuestionBankAdoptionSyncStatus.Synced;
    public JsonElement SourceSnapshot { get; set; } = JsonDefaults.Object();
    public int CopiedQuestionCount { get; set; }
    public JsonElement Metadata { get; set; } = JsonDefaults.Object();
    public DateTimeOffset? LastSyncedAt { get; set; }
}

public sealed class AiRecommendationReport : AuditableTenantEntity
{
    public Guid UserId { get; set; }
    public Guid? RegionId { get; set; }
    public AiRecommendationReportStatus Status { get; set; } = AiRecommendationReportStatus.Generated;
    public string Provider { get; set; } = "local_rules";
    public string? Model { get; set; }
    public string PromptVersion { get; set; } = "school-recommendation-v1";
    public JsonElement InputPayload { get; set; } = JsonDefaults.Object();
    public JsonElement ContextPayload { get; set; } = JsonDefaults.Object();
    public JsonElement ResultPayload { get; set; } = JsonDefaults.Object();
    public string? ErrorMessage { get; set; }
    public DateTimeOffset? GeneratedAt { get; set; }
}

public enum AssetAccessActorRole { Anonymous, Student, TenantAdmin, TenantContentEditor, System }
public enum AssetAccessType { Download, Preview, AdminDownload, AdminPreview, UploadSign, UploadConfirm }
public enum AssetAccessDisposition { Attachment, Inline }
public enum AssetAccessResult { Granted, Denied }
public enum AssetSecurityRiskLevel { None, Low, Medium, High, Critical }
public enum QuestionBankGrantScope { AllActiveTenants, Plans, Tenants, Mixed }
public enum QuestionBankGrantStatus { Active, Disabled, Expired }
public enum QuestionBankAdoptionMode { CopiedSnapshot, Reference }
public enum QuestionBankAdoptionStatus { Active, SyncPending, Suspended, Archived }
public enum QuestionBankAdoptionSyncStatus { Pending, Synced, Failed }
public enum AiRecommendationReportStatus { Draft, Generated, Failed }