using Tiku.Domain.Common;

namespace Tiku.Domain.Learning;

public sealed class TenantBusinessLicense : AuditableTenantEntity
{
    public Guid BusinessLineId { get; set; }
    public LicenseLifecycleStatus Status { get; set; } = LicenseLifecycleStatus.Active;
    public DateTimeOffset StartsAt { get; set; } = DateTimeOffset.UtcNow;
    public DateTimeOffset? EndsAt { get; set; }
    public long Version { get; set; } = 1;
}

public sealed class TenantLicensedTarget : Entity, ITenantOwned
{
    public Guid TenantBusinessLicenseId { get; set; }
    public Guid ExamTargetProfileVersionId { get; set; }
    public bool IsBaseTarget { get; set; }
    public DateTimeOffset StartsAt { get; set; } = DateTimeOffset.UtcNow;
    public DateTimeOffset? EndsAt { get; set; }
    public Guid TenantId { get; set; }
}

public sealed class ProductAccessManifest : AuditableTenantEntity
{
    public Guid LearningProductId { get; set; }
    public Guid? CurrentVersionId { get; set; }
    public bool IsActive { get; set; } = true;
}

public sealed class ProductAccessManifestVersion : Entity, ITenantOwned
{
    public Guid ProductAccessManifestId { get; set; }
    public int VersionNo { get; set; } = 1;
    public AccessManifestStatus Status { get; set; } = AccessManifestStatus.Draft;
    public int MaxActiveTargets { get; set; } = 1;
    public int MaxAlternateTargets { get; set; }
    public int? DailyQuestionLimit { get; set; }
    public int? TotalQuestionLimit { get; set; }
    public DateTimeOffset? PublishedAt { get; set; }
    public DateTimeOffset CreatedAt { get; set; } = DateTimeOffset.UtcNow;
    public Guid TenantId { get; set; }
}

public sealed class ProductManifestRelease : Entity, ITenantOwned
{
    public Guid ProductAccessManifestVersionId { get; set; }
    public Guid ContentOwnerTenantId { get; set; }
    public Guid ContentReleaseId { get; set; }
    public Guid? PlatformContentPackageOwnerTenantId { get; set; }
    public Guid? PlatformContentPackageVersionId { get; set; }
    public Guid TenantId { get; set; }
}

public sealed class ProductManifestTarget : Entity, ITenantOwned
{
    public Guid ProductAccessManifestVersionId { get; set; }
    public Guid ExamTargetProfileVersionId { get; set; }
    public bool MayBePrimary { get; set; } = true;
    public bool MayBeAlternate { get; set; }
    public Guid TenantId { get; set; }
}

public sealed class ProductManifestResource : Entity, ITenantOwned
{
    public Guid ProductAccessManifestVersionId { get; set; }
    public AccessResourceType ResourceType { get; set; }
    public Guid ResourceId { get; set; }
    public string DisplayName { get; set; } = string.Empty;
    public int SortOrder { get; set; }
    public Guid TenantId { get; set; }
}

public sealed class StudentEntitlement : AuditableTenantEntity
{
    public Guid UserId { get; set; }
    public Guid LearningProductId { get; set; }
    public Guid ProductAccessManifestVersionId { get; set; }
    public StudentEntitlementStatus Status { get; set; } = StudentEntitlementStatus.Active;
    public DateTimeOffset StartsAt { get; set; } = DateTimeOffset.UtcNow;
    public DateTimeOffset? EndsAt { get; set; }
    public string SourceType { get; set; } = string.Empty;
    public Guid? SourceId { get; set; }
    public int UsedQuestionCount { get; set; }
    public DateTimeOffset? RevokedAt { get; set; }
    public Guid? RevokedBy { get; set; }
    public string? RevokedReason { get; set; }
}

public sealed class StudentTargetSelectionHistory : AuditableTenantEntity
{
    public Guid UserId { get; set; }
    public Guid BusinessLineId { get; set; }
    public Guid ExamTargetProfileVersionId { get; set; }
    public TargetSelectionRole Role { get; set; } = TargetSelectionRole.Primary;
    public Guid? EntitlementId { get; set; }
    public string SourceType { get; set; } = string.Empty;
    public Guid SourceId { get; set; }
    public DateTimeOffset EffectiveAt { get; set; } = DateTimeOffset.UtcNow;
    public DateTimeOffset? EndedAt { get; set; }
    public bool IsCurrent { get; set; } = true;
    public Guid? ChangedBy { get; set; }
    public string? Reason { get; set; }
}

public sealed class ClassAssignmentGrant : AuditableTenantEntity
{
    public Guid ClassId { get; set; }
    public Guid ProductAccessManifestVersionId { get; set; }
    public AccessResourceType ResourceType { get; set; }
    public Guid ResourceId { get; set; }
    public DateTimeOffset StartsAt { get; set; } = DateTimeOffset.UtcNow;
    public DateTimeOffset? EndsAt { get; set; }
    public ClassAssignmentGrantStatus Status { get; set; } = ClassAssignmentGrantStatus.Active;
    public Guid? CreatedBy { get; set; }
    public Guid? RevokedBy { get; set; }
    public string? RevokedReason { get; set; }
}

public sealed class EffectiveAccessProjection : TenantEntity
{
    public Guid UserId { get; set; }
    public Guid BusinessLineId { get; set; }
    public Guid? PrimaryProfileVersionId { get; set; }
    public Guid[] AlternateProfileVersionIds { get; set; } = [];
    public Guid[] ContentReleaseIds { get; set; } = [];
    public Guid[] AudienceSegmentIds { get; set; } = [];
    public Guid[] ManifestVersionIds { get; set; } = [];
    public long GrantVersion { get; set; } = 1;
    public long ContentVersion { get; set; } = 1;
    public long StrongRevocationVersion { get; set; } = 1;
    public DateTimeOffset ValidUntil { get; set; }
    public DateTimeOffset CompiledAt { get; set; } = DateTimeOffset.UtcNow;
}

public enum LicenseLifecycleStatus
{
    Active,
    Suspended,
    Expired,
    Cancelled
}

public enum AccessManifestStatus
{
    Draft,
    Published,
    Retired
}

public enum AccessResourceType
{
    ContentRelease,
    CurriculumNode,
    CollectionRelease,
    BlueprintRelease
}

public enum TargetSelectionRole
{
    Primary,
    Alternate
}

public enum StudentEntitlementStatus
{
    Active,
    Expired,
    Revoked,
    Cancelled
}

public enum ClassAssignmentGrantStatus
{
    Active,
    Revoked,
    Expired
}