import 'package:freezed_annotation/freezed_annotation.dart';

part 'stack.freezed.dart';

/// Container orchestration stack (Docker Compose stack).
@freezed
class Stack with _$Stack {
  const factory Stack({
    /// Unique stack identifier.
    required String id,

    /// Stack name.
    required String name,

    /// Stack type (compose, swarm, kubernetes).
    @Default(StackType.compose) StackType type,

    /// Current stack status.
    @Default(StackStatus.unknown) StackStatus status,

    /// Number of containers in the stack.
    @Default(0) int containerCount,

    /// Number of running containers.
    @Default(0) int runningCount,

    /// Path to the compose file (if applicable).
    String? composeFile,

    /// Compose YAML content.
    String? yaml,

    /// Environment variables for the stack.
    @Default({}) Map<String, String> envVars,

    /// Environment name (e.g., production, staging).
    String? environment,

    /// When the stack was created.
    DateTime? createdAt,

    /// When the stack was last updated.
    DateTime? updatedAt,
  }) = _Stack;

  const Stack._();

  /// Whether all containers in the stack are running.
  bool get isHealthy => runningCount == containerCount && containerCount > 0;

  /// Whether the stack has any running containers.
  bool get hasRunningContainers => runningCount > 0;

  /// Whether the stack is partially running.
  bool get isPartial =>
      runningCount > 0 && runningCount < containerCount;
}

/// Stack orchestration type.
enum StackType {
  compose,
  swarm,
  kubernetes,
}

/// Stack status.
enum StackStatus {
  active,
  inactive,
  error,
  unknown,
}