/**
 * Ports = interfaces only (CLAUDE.md #1). Adapters implement these; apps wire
 * them. NO framework/SDK imports allowed here (enforced by eslint boundary).
 */
import type {
  AdapterCapability,
  Channel,
  ProofState,
  LegalSupportLevel,
} from "@courtmitra/contracts";

/** Anything an adapter can do, plus what it can do *right now* in this env. */
export interface CapabilityAware {
  capabilities(): AdapterCapability[];
}

// --- LLM ---------------------------------------------------------------------

/** Minimal schema carrier (a Zod schema satisfies this) — keeps ports SDK-free. */
export interface OutputSchema<T> {
  parse(input: unknown): T;
}

export interface LlmStructuredRequest<T> {
  /** Versioned prompt id from packages/prompts — never an inline prompt. */
  promptId: string;
  /** Variables interpolated into the prompt template. */
  variables: Record<string, unknown>;
  /** Schema the adapter validates the model output against (CLAUDE.md: never pass through). */
  schema: OutputSchema<T>;
  /** Optional images (data URLs / storage refs) for vision parsing. */
  images?: string[];
  model?: string;
  temperature?: number;
}

export interface LlmStructuredResult<T> {
  output: T;
  raw: string;
  model: string;
  usage?: { inputTokens: number; outputTokens: number };
}

export interface LlmPort {
  generateStructured<T>(req: LlmStructuredRequest<T>): Promise<LlmStructuredResult<T>>;
}

// --- Embedding ---------------------------------------------------------------

export interface EmbeddingPort {
  embed(texts: string[]): Promise<number[][]>;
  dimensions: number;
}

// --- Legal retrieval / verification -----------------------------------------

export interface LegalQuery {
  missionId: string;
  issueDomain: string;
  query: string;
  topK?: number;
}

export interface RetrievedLegalSource {
  chunkId: string;
  sourceId: string;
  actName: string | null;
  sectionNo: string | null;
  heading: string | null;
  text: string;
  score: number;
}

export interface ClaimSupportCheck {
  /** Unique mission identifier — required to persist legal_claim_verifications. */
  missionId: string;
  claim: string;
  quoteSpans: string[];
  chunkIds: string[];
}

export interface ClaimSupportResult {
  supported: boolean;
  supportLevel: LegalSupportLevel;
  citedChunkIds: string[];
  failureReason: string | null;
}

export interface LegalRetrievalPort {
  retrieve(q: LegalQuery): Promise<RetrievedLegalSource[]>;
  /** Verify = literal quote-span substring match against chunk.text (CLAUDE.md #4). */
  verifyClaimSupport(i: ClaimSupportCheck): Promise<ClaimSupportResult>;
}

// --- Evidence parsing (Phase 1 = vision-LLM) --------------------------------

export interface EvidenceFile {
  evidenceItemId: string;
  storageKey: string;
  mimeType: string;
}

export interface ParsedEvidence {
  rawText: string;
  entities: Record<string, unknown>;
  dates: string[];
  money: { amount: number; currency: string; original: string }[];
  parties: string[];
  confidence: number;
}

export interface EvidenceParserPort {
  parse(file: EvidenceFile): Promise<ParsedEvidence>;
}

// --- ASR / Transcription (Phase 2 Module 2) --------------------------------

export interface AsrTranscribeRequest {
  audioBytes: Uint8Array;
  mimeType: string;
  languageHint?: string;
}

export interface AsrTranscribeResult {
  text: string;
  language: string;
  confidence: number;
  durationMs: number;
}

export interface AsrPort {
  transcribe(request: AsrTranscribeRequest): Promise<AsrTranscribeResult>;
}

// --- Translation (Phase 2 Module 3) ----------------------------------------

export interface TranslationDetectRequest {
  text: string;
}

export interface TranslationDetectResult {
  language: string;
  confidence: number;
}

export interface TranslationTranslateRequest {
  text: string;
  sourceLang?: string;
  targetLang: string;
}

export interface TranslationTranslateResult {
  originalText: string;
  translatedText: string;
  sourceLang: string;
  targetLang: string;
  confidence: number;
  model: string;
}

export interface TranslationPort {
  detectLanguage(text: string): Promise<TranslationDetectResult>;
  translate(request: TranslationTranslateRequest): Promise<TranslationTranslateResult>;
}

// --- Portal Assist (Phase 2 Module 5) -------------------------------------

export interface PortalAssistSessionState {
  sessionId: string;
  state: string;
  portalUrl: string;
  formFields: { selector: string; label: string; value: string | null; filled: boolean }[];
  screenshotStorageKey: string | null;
  receiptStorageKey: string | null;
  errorMessage: string | null;
}

export interface PortalAssistPort {
  init(): Promise<void>;
  fillFields(sessionId: string, url: string, fields: FormField[]): Promise<void>;
  captureScreenshot(sessionId: string): Promise<Uint8Array>;
  waitForUserAction(state: string): Promise<void>;
  captureScreenshotAfterSubmit(sessionId: string): Promise<{ bytes: Uint8Array; url: string }>;
  close(): Promise<void>;
}

export interface FormField {
  label: string;
  value: string;
}

// --- Social Publishing (Phase 2 Module 7) ----------------------------------

export interface SocialPublishRequest {
  text: string;
  platform: string;
  cardBytes?: Uint8Array;
  cardMimeType?: string;
  consentGrantId: string;
  missionId: string;
  actionId: string;
}

export interface SocialPublishResult {
  published: boolean;
  proofState: string;
  externalPostId: string | null;
  postUrl: string | null;
  failureReason: string | null;
}

export interface SocialPublisherPort extends CapabilityAware {
  publish(request: SocialPublishRequest): Promise<SocialPublishResult>;
}

// --- Case Lookup / eCourts (Phase 2 Module 8) -----------------------------

export interface CaseLookupRequest {
  cnrNumber: string;
}

export interface CaseLookupResponse {
  cnrNumber: string;
  caseNumber: string | null;
  courtName: string | null;
  petitioner: string | null;
  respondent: string | null;
  caseStatus: string | null;
  nextHearingDate: string | null;
  lastOrderDate: string | null;
  lastOrderSummary: string | null;
  rawData: Record<string, unknown> | null;
}

export interface CaseLookupPort extends CapabilityAware {
  lookup(request: CaseLookupRequest): Promise<CaseLookupResponse>;
}

// --- Channels ----------------------------------------------------------------

export interface ChannelMessage {
  channel: Channel;
  to: string;
  body: string;
}

export interface InteractiveMessage extends ChannelMessage {
  buttons: { id: string; label: string }[];
}

export interface ChannelSendResult {
  providerMessageId: string | null;
  proofState: ProofState;
}

export interface ChannelPort extends CapabilityAware {
  sendMessage(m: ChannelMessage): Promise<ChannelSendResult>;
  sendInteractive(m: InteractiveMessage): Promise<ChannelSendResult>;
}

// --- Submission (email / portal packet) -------------------------------------

export interface SubmissionRequest {
  missionId: string;
  actionId: string;
  destination: string;
  subject?: string;
  body: string;
  attachments: { id: string; storageKey: string; filename: string }[];
  idempotencyKey: string;
}

export interface SubmissionResult {
  proofState: ProofState;
  externalReference: string | null;
  proofRef: Record<string, unknown>;
}

export interface SubmissionPort extends CapabilityAware {
  submit(r: SubmissionRequest): Promise<SubmissionResult>;
}

// --- Email (dedicated port, separate from generic SubmissionPort) -----------

export interface EmailSendRequest {
  to: string;
  subject: string;
  body: string;
  replyTo?: string;
  /** Attachments as base64-encoded content (referenced by storage key). */
  attachments?: { filename: string; storageKey: string; contentType?: string }[];
}

export interface EmailSendResult {
  proofState: ProofState;
  providerMessageId: string | null;
  proofRef: Record<string, unknown>;
}

export interface EmailPort extends CapabilityAware {
  send(req: EmailSendRequest): Promise<EmailSendResult>;
}

// --- Redaction ---------------------------------------------------------------

export type RedactionMode = "mask" | "remove" | "tag";

export interface RedactionSpan {
  start: number;
  end: number;
  piiType: string;
  replacement: string;
}

export interface RedactionPort {
  detect(text: string): Promise<RedactionSpan[]> | RedactionSpan[];
  redact(text: string, mode: RedactionMode): Promise<string> | string;
}

// --- Workflow / audit --------------------------------------------------------

export interface WorkflowEvent {
  name: string;
  data: Record<string, unknown>;
}

export interface WorkflowPort {
  send(event: WorkflowEvent): Promise<void>;
  sleepUntil(date: Date): Promise<void>;
}

export interface AuditEvent {
  actorType: string;
  actorId: string;
  action: string;
  resourceType: string;
  resourceId: string;
  before?: Record<string, unknown>;
  after?: Record<string, unknown>;
}

export interface AuditPort {
  append(e: AuditEvent): Promise<void>;
}

// --- Storage -----------------------------------------------------------------

export interface StoredObject {
  storageKey: string;
  sha256: string;
  sizeBytes: number;
  mimeType: string | null;
}

export interface StoragePort {
  put(input: { key: string; bytes: Uint8Array; mimeType?: string }): Promise<StoredObject>;
  getBytes(key: string): Promise<Uint8Array>;
  /** Returns a URL the web app can fetch. In dev this may be a local served path. */
  publicUrl(key: string): string;
}