package domain

import "time"

// MetricSample is a bounded, platform-owned observation for one server instance.
type MetricSample struct {
	ID               string
	ServerInstanceID string
	RunEndpointID    string
	Online           bool
	PlayerCount      *int
	MaxPlayers       *int
	TPS              *float64
	LatencyMS        *float64
	CPUPercent       *float64
	MemoryPercent    *float64
	DiskPercent      *float64
	Source           string
	CollectedAt      time.Time
}

type MetricSampleFilter struct {
	ServerInstanceID string
	After            time.Time
	Before           time.Time
	Limit            int
}

type MetricBatchIngest struct {
	RunEndpointID string
	SessionToken  string
	Samples       []MetricSample
}

type MetricBatchIngestResult struct {
	Accepted      bool
	AcceptedCount int
	LatestAt      time.Time
	ServerTime    time.Time
}

type BackupState string

const (
	BackupStatePending   BackupState = "pending"
	BackupStateAvailable BackupState = "available"
	BackupStateFailed    BackupState = "failed"
	BackupStateExpired   BackupState = "expired"
)

type BackupRecord struct {
	ID               string
	ServerInstanceID string
	ArtifactID       string
	Checksum         string
	SizeBytes        int64
	State            BackupState
	RecoveryStatus   string
	RetentionUntil   time.Time
	CreatedAt        time.Time
	UpdatedAt        time.Time
}

type BackupFilter struct {
	ServerInstanceID string
	State            BackupState
}

type RemoteAdapterKind string

const (
	RemoteAdapterFTP        RemoteAdapterKind = "ftp"
	RemoteAdapterRsync      RemoteAdapterKind = "rsync"
	RemoteAdapterRunFile    RemoteAdapterKind = "run-file"
	RemoteAdapterRunProcess RemoteAdapterKind = "run-process"
	RemoteAdapterDatabase   RemoteAdapterKind = "database"
	RemoteAdapterRCON       RemoteAdapterKind = "rcon"
)

type RemoteAdapterDeclaration struct {
	Key            string
	Kind           RemoteAdapterKind
	TargetKeys     []string
	Capabilities   []string
	TimeoutSeconds int
	MaxAttempts    int
}

type RemoteAdapterRequest struct {
	ServerInstanceID  string
	DeclarationKey    string
	TargetKey         string
	Capability        string
	TimeoutSeconds    int
	MaxAttempts       int
	IdempotencyKey    string
	InputRef          string
	Inputs            map[string]string
	PlatformScheduled bool
	SQLiteSchemaProbe *SCUMSchemaProbeRequest
}

type RemoteAdapterResult struct {
	RequestID        string
	ServerInstanceID string
	DeclarationKey   string
	TargetKey        string
	Kind             RemoteAdapterKind
	Status           string
	Retryable        bool
	Message          string
	ResultRef        string
	AuditEventID     string
	CompletedAt      time.Time
}

type SourceRCONCommandKind string

const (
	SourceRCONCommandKindChat    SourceRCONCommandKind = "chat"
	SourceRCONCommandKindCommand SourceRCONCommandKind = "command"
)

// SourceRCONCommandRequest is intentionally transient: Command and Message
// are consumed by the service broker and are never copied into a durable Job.
type SourceRCONCommandRequest struct {
	ServerInstanceID string
	Kind             SourceRCONCommandKind
	ChatType         int
	Message          string
	TargetSteamID    string
	Command          string
	IdempotencyKey   string
}

type SourceRCONCommandDispatch struct {
	JobID            string
	ServerInstanceID string
	Status           string
	Message          string
}

func CopyMetricSample(sample MetricSample) MetricSample {
	sample.PlayerCount = copyIntPtr(sample.PlayerCount)
	sample.MaxPlayers = copyIntPtr(sample.MaxPlayers)
	sample.TPS = copyFloatPtr(sample.TPS)
	sample.LatencyMS = copyFloatPtr(sample.LatencyMS)
	sample.CPUPercent = copyFloatPtr(sample.CPUPercent)
	sample.MemoryPercent = copyFloatPtr(sample.MemoryPercent)
	sample.DiskPercent = copyFloatPtr(sample.DiskPercent)
	return sample
}

func copyIntPtr(value *int) *int {
	if value == nil {
		return nil
	}
	copy := *value
	return &copy
}

func copyFloatPtr(value *float64) *float64 {
	if value == nil {
		return nil
	}
	copy := *value
	return &copy
}

func CopyMetricSamples(samples []MetricSample) []MetricSample {
	if samples == nil {
		return nil
	}
	out := make([]MetricSample, len(samples))
	for i, sample := range samples {
		out[i] = CopyMetricSample(sample)
	}
	return out
}

func CopyMetricBatchIngest(batch MetricBatchIngest) MetricBatchIngest {
	batch.Samples = CopyMetricSamples(batch.Samples)
	return batch
}

func CopyBackupRecord(record BackupRecord) BackupRecord { return record }

func CopyBackupRecords(records []BackupRecord) []BackupRecord {
	if records == nil {
		return nil
	}
	out := make([]BackupRecord, len(records))
	copy(out, records)
	return out
}

func CopyRemoteAdapterDeclaration(declaration RemoteAdapterDeclaration) RemoteAdapterDeclaration {
	declaration.TargetKeys = CopyStringSlice(declaration.TargetKeys)
	declaration.Capabilities = CopyStringSlice(declaration.Capabilities)
	return declaration
}

func CopyRemoteAdapterDeclarations(declarations []RemoteAdapterDeclaration) []RemoteAdapterDeclaration {
	if declarations == nil {
		return nil
	}
	out := make([]RemoteAdapterDeclaration, len(declarations))
	for i, declaration := range declarations {
		out[i] = CopyRemoteAdapterDeclaration(declaration)
	}
	return out
}

func CopyRemoteAdapterRequest(request RemoteAdapterRequest) RemoteAdapterRequest {
	request.Inputs = CopyStringMap(request.Inputs)
	request.SQLiteSchemaProbe = CopySCUMSchemaProbeRequestPtr(request.SQLiteSchemaProbe)
	return request
}
func CopyRemoteAdapterResult(result RemoteAdapterResult) RemoteAdapterResult { return result }

func CopySourceRCONCommandRequest(request SourceRCONCommandRequest) SourceRCONCommandRequest {
	return request
}
func CopySourceRCONCommandDispatch(dispatch SourceRCONCommandDispatch) SourceRCONCommandDispatch {
	return dispatch
}