entity

type Attachment map[string]any

type Constraint struct {
	gorm.Model

	SegmentID uint `gorm:"index:idx_constraint_segmentid"`
	Property  string
	Operator  string
	Value     string `gorm:"type:text"`
}

type ConstraintArray []Constraint

type Distribution struct {
	gorm.Model
	SegmentID  uint `gorm:"index:idx_distribution_segmentid"`
	VariantID  uint `gorm:"index:idx_distribution_variantid"`
	VariantKey string

	Percent uint   // Percent is an uint from 0 to 100, percent is always derived from Bitmap
	Bitmap  string `gorm:"type:text" json:"-"`
}

type DistributionArray struct {
	VariantIDs          []uint
	PercentsAccumulated []int // useful for binary search to find the rollout variant
}

type DistributionDebugLog struct {
	BucketNum         uint
	DistributionArray DistributionArray
	VariantID         uint
	RolloutPercent    uint
}

type EvalContext struct {
	EntityID      string
	EntityType    string
	EntityContext map[string]interface{}

	EnableDebug bool
}

type EvalDebugLog struct {
	SegmentDebugLogs []SegmentDebugLog
	Msg              string
}

type EvalResult struct {
	FlagID      uint
	SegmentID   uint
	VariantID   uint
	EvalContext EvalContext
	Timestamp   time.Time

	EvalDebugLog *EvalDebugLog
}

type Flag struct {
	gorm.Model

	Key         string `gorm:"type:varchar(64);uniqueIndex:idx_flag_key"`
	Description string `gorm:"type:text"`
	CreatedBy   string
	UpdatedBy   string
	Enabled     bool
	Segments    []Segment
	Variants    []Variant
	Tags        []Tag `gorm:"many2many:flags_tags;"`
	SnapshotID  uint
	Notes       string `gorm:"type:text"`

	DataRecordsEnabled bool
	EntityType         string

	FlagEvaluation FlagEvaluation `gorm:"-" json:"-"`
}

type FlagEntityType struct {
	gorm.Model
	Key string `gorm:"type:varchar(64);uniqueIndex:flag_entity_type_key"`
}

type FlagEvaluation struct {
	VariantsMap map[uint]*Variant
}

type FlagSnapshot struct {
	gorm.Model
	FlagID    uint `gorm:"index:idx_flagsnapshot_flagid"`
	UpdatedBy string
	Flag      []byte `gorm:"type:text"`
}

type Logger struct {
	LogLevel                  gorm_logger.LogLevel
	SlowThreshold             time.Duration
	IgnoreRecordNotFoundError bool
}

type Segment struct {
	gorm.Model
	FlagID         uint   `gorm:"index:idx_segment_flagid"`
	Description    string `gorm:"type:text"`
	Rank           uint
	RolloutPercent uint
	Constraints    ConstraintArray
	Distributions  []Distribution

	// Purely for evaluation
	SegmentEvaluation SegmentEvaluation `gorm:"-" json:"-"`
}

type SegmentDebugLog struct {
	SegmentID uint
	Msg       string
}

type SegmentEvaluation struct {
	ConditionsExpr    conditions.Expr
	DistributionArray DistributionArray
}

type Tag struct {
	gorm.Model

	Value string  `gorm:"type:varchar(64);uniqueIndex:idx_tag_value"`
	Flags []*Flag `gorm:"many2many:flags_tags;"`
}

type User struct {
	gorm.Model
	Email string `gorm:"type:text"`
}

type Variant struct {
	gorm.Model
	FlagID     uint `gorm:"index:idx_variant_flagid"`
	Key        string
	Attachment Attachment `gorm:"type:text"`
}