// shared/types.ts
export type OsFamily = "debian" | "ubuntu" | "proxmox" | "raspbian" | "unknown";
export type MachineStatus = "unknown" | "ok" | "updates_available" | "error" | "running";
export type AptProxyMode = "direct" | "runtime" | "persistent";
export type ActionType =
  | "apt_full_upgrade" | "reboot"
  | "apt_update_analyze" | "apt_upgrade" | "apt_dist_upgrade"
  | "apt_autoremove" | "apt_clean" | "reboot_verified"
  | "docker_scan" | "docker_inspect_current" | "docker_pull_check"
  | "docker_compose_apply" | "docker_prune_images" | "docker_compose_down"
  | "apt_proxy_persistent"
  | "machine_probe" | "post_install";
export type ExecutionStatus = "ok" | "warning" | "error";
export type ApiClientScope = "read" | "operate" | "admin" | "debug";
export type MachineKind =
  | "physical" | "vm" | "proxmox_host" | "lxc"
  | "raspberry_pi" | "workstation" | "unknown";
export type SnapshotStatus = "ok" | "updates_available" | "warning" | "error";

export interface ServerCapabilities {
  app: "system_update";
  apiVersion: "1";
  generatedAt: string;
  features: {
    machines: boolean;
    machineSnapshots: boolean;
    actions: boolean;
    aptFullUpgrade: boolean;
    reboot: boolean;
    reports: boolean;
    terminalOutput: boolean;
    interactiveSsh: boolean;
    docker: boolean;
    postInstall: boolean;
    hermes: boolean;
    settings: boolean;
    scheduledJobs: boolean;
    authTokens: boolean;
  };
  endpoints: {
    capabilities: string;
    systemStatus: string;
    systemMetrics: string;
    machines: string;
    machineSnapshot: string;
    machineRefresh: string;
    machineActions: string;
    machineExecutions: string;
    executionReport: string;
    terminalOutputWs: string;
  };
}

export interface SystemStatus {
  app: "system_update";
  version: string;
  apiVersion: "1";
  serverTime: string;
  uptimeSeconds: number;
}

export interface SystemMetrics {
  collectedAt: string;
  process: {
    uptimeSeconds: number;
    rssMb: number;
    heapUsedMb: number;
    heapTotalMb: number;
  };
  host: {
    loadAverage1m: number;
    loadAverage5m: number;
    loadAverage15m: number;
    totalMemoryMb: number;
    freeMemoryMb: number;
  };
}

export interface AptPackage {
  name: string;
  currentVersion: string | null;
  targetVersion: string;
  origin: string | null;
  arch?: string;
  operation?: "upgrade" | "install" | "remove" | "hold";
  severityHint?: "normal" | "security";
}

export interface AptSnapshotDetail {
  enabled: boolean;
  count: number;
  rebootRequired: boolean;
  packages: AptPackage[];
  status?: SnapshotStatus;
  upgradeCount?: number;
  distUpgradeCount?: number;
  installed?: AptPackage[];
  removed?: AptPackage[];
  held?: string[];
  rebootPkgs?: string[];
}

export interface DockerSnapshotService {
  serviceName: string;
  image: string;
  currentImageId?: string | null;
  currentDigest?: string | null;
  candidateImageId?: string | null;
  candidateDigest?: string | null;
  currentVersion?: string | null;
  candidateVersion?: string | null;
  sourceUrl?: string | null;
  status?: "up_to_date" | "updates_available" | "warning" | "error";
}

export interface DockerSnapshotStack {
  name: string;
  workingDir: string;
  composeFiles: string[];
  projectName?: string | null;
  status: "candidate" | "enabled" | "ignored" | "error";
  detectedBy?: "root_scan" | "label" | "manual";
  services: DockerSnapshotService[];
}

export interface DockerSnapshot {
  enabled: boolean;
  installed: boolean;
  count: number;
  declaredRoots?: string[];
  stacks: DockerSnapshotStack[];
  status?: SnapshotStatus;
}

export interface SnapshotError {
  source: "apt" | "docker" | "post_install" | "ssh" | "system";
  kind: string;
  severity: "info" | "warning" | "error";
  message: string;
  remediation?: string;
  importantLines?: string[];
}

export interface UpdateSnapshot {
  machineId: string;
  hostname: string;
  os: { family: OsFamily; version: string };
  checkedAt: string; // ISO 8601
  status: MachineStatus;
  apt: AptSnapshotDetail;
  schemaVersion?: number;
  kind?: "apt_update_analyze" | "docker_scan" | "reboot_check" | "combined";
  machineKind?: MachineKind;
  docker?: DockerSnapshot;
  errors?: SnapshotError[];
  rawHints?: { logImportantLines: string[] };
}

export interface AptChange {
  name: string;
  arch?: string;
  fromVersion: string | null;
  toVersion: string | null;
  operation: "upgraded" | "installed" | "removed" | "unchanged";
  origin?: string | null;
}

export interface AptExecutionResult {
  planned: AptPackage[];
  applied: AptChange[];
  installed: AptChange[];
  removed: AptChange[];
  held: string[];
  errors?: SnapshotError[];
  rebootRequiredAfterRun: boolean;
}

export interface DockerImageChange {
  stack: string;
  serviceName?: string;
  imageRef?: string;
  fromImageId?: string | null;
  toImageId?: string | null;
  fromDigest?: string | null;
  toDigest?: string | null;
  operation: "pulled" | "recreated" | "pruned";
  dedupKey?: string;                // empreinte fonctionnelle (mutualisation Hermes)
}

export interface DockerExecutionResult {
  pull?: { changes: DockerImageChange[]; errors?: SnapshotError[] };
  up?: { recreated: string[]; running: string[]; exited: string[]; errors?: SnapshotError[] };
  prune?: { imagesDeleted: string[]; bytesReclaimed: number; errors?: SnapshotError[] };
  errors?: SnapshotError[];
}

export interface RebootResult {
  beforeBootId: string | null;
  afterBootId: string | null;
  requestedAt: string;
  sshWentDownAt: string | null;
  sshCameBackAt: string | null;
  waitedSeconds: number;
  status: "ok" | "reboot_command_failed" | "ssh_never_went_down"
        | "machine_did_not_return" | "boot_id_unchanged" | "timeout";
  lastRebootDurationSeconds?: number;
  nextRecommendedWaitSeconds?: number;
  errors?: SnapshotError[];
}

export interface AptRepositoriesAnalysis {
  osFamily: OsFamily;
  components: string[];
  repos: { uri: string; suite: string; components: string[] }[];
  proxmox?: { enterprise: boolean; noSubscription: boolean };
  warnings: { kind: string; message: string }[];
  notes: string[];
}

export interface MachineMetricsSimple {
  collectedAt: string;
  cpu: { load1: number | null; load5: number | null; cores: number | null };
  memory: { totalBytes: number | null; usedBytes: number | null; availableBytes: number | null; usedPercent: number | null };
  filesystems: { mount: string; fstype: string; sizeBytes: number; usedBytes: number; usedPercent: number }[];
  warnings: string[];
}

export interface PostInstallResult {
  profilesRun: string[];
  variablesUsed: Record<string, string | number | boolean>;
  filesModified: string[];
  packagesInstalled: string[];
  servicesEnabled: string[];
  rebootsRequested: boolean;
  networkChange?: { oldEndpoint: string | null; newEndpoint: string | null; reconnectHost: string | null };
  errors?: SnapshotError[];
}

export interface ExecutionResult {
  executionId: string;
  machineId: string;
  startedAt: string;
  finishedAt: string;
  mode: "manual" | "scheduled" | "hermes_requested";
  action: ActionType;
  status: ExecutionStatus;
  rebootRequiredAfterRun: boolean;
  importantLogLines: string[];
  rawLogRef: string;
  reportRef: string;
  schemaVersion?: number;
  apt?: AptExecutionResult;
  docker?: DockerExecutionResult;
  reboot?: RebootResult;
  postInstall?: PostInstallResult;
  errors?: SnapshotError[];
}

/** Vue machine renvoyée par l'API — NE CONTIENT JAMAIS de secret. */
export interface MachineView {
  id: string;
  name: string;
  hostname: string;
  port: number;
  osFamily: OsFamily;
  username: string;
  aptProxyMode: AptProxyMode;
  aptProxyUrl: string | null;
  status: MachineStatus;
  lastCheckedAt: string | null;
  // Ajouts SJ-7 (optionnels, rétro-compatibles) :
  machineKind?: MachineKind;
  virtualization?: string | null;
}

/** Client API local/Hermes — ne contient jamais le token brut. */
export interface ApiClientView {
  id: string;
  name: string;
  tokenPrefix: string;
  scopes: ApiClientScope[];
  createdAt: string;
  lastUsedAt: string | null;
  revokedAt: string | null;
}

export interface CreatedApiClient {
  client: ApiClientView;
  token: string;
}