import type { RoutingMode } from "./osm-tags.js";

// ─── Job data types ───────────────────────────────────────────────────────────

export interface DownloadPbfJobData {
  type: "download-pbf";
  citySlug: string;
  geofabrikUrl: string;
  expectedBytes?: number;
}

export interface ExtractPoisJobData {
  type: "extract-pois";
  citySlug: string;
  pbfPath: string;
  /** Optional bounding box [minLng, minLat, maxLng, maxLat] to clip PBF before tag-filtering */
  bbox?: [number, number, number, number];
}

export interface GenerateGridJobData {
  type: "generate-grid";
  citySlug: string;
  resolutionM: number;
}

export interface ComputeScoresJobData {
  type: "compute-scores";
  citySlug: string;
  modes: RoutingMode[];
  thresholds: number[];
  /** Set after compute-routing children are dispatched (internal two-phase state). */
  routingDispatched?: boolean;
  /** When true, ingest-boris-ni is dispatched in Phase 1 to run alongside routing jobs. */
  ingestBorisNi?: boolean;
  /** When true, ingest-boris-hb is dispatched in Phase 1 to run alongside routing jobs. */
  ingestBorisHb?: boolean;
}

export interface ComputeRoutingJobData {
  type: "compute-routing";
  citySlug: string;
  mode: "walking" | "cycling" | "driving";
  category: string;
}

export interface ComputeTransitJobData {
  type: "compute-transit";
  citySlug: string;
}

export interface BuildValhallaJobData {
  type: "build-valhalla";
  /** City being added/updated. Absent for removal-only rebuilds. */
  citySlug?: string;
  pbfPath?: string;
  /** Optional bounding box [minLng, minLat, maxLng, maxLat] to clip PBF before building routing tiles */
  bbox?: [number, number, number, number];
  /** Slugs to drop from the global routing tile set before rebuilding */
  removeSlugs?: string[];
}

export interface RefreshCityJobData {
  type: "refresh-city";
  citySlug: string;
  geofabrikUrl: string;
  resolutionM?: number;
  /** Monotonically increasing counter incremented at each trigger; used in jobIds
   *  to prevent completed-job deduplication on re-runs. */
  iter: number;
  /** ID of the compute-scores job enqueued for this refresh; set after flow.add(). */
  computeScoresJobId?: string;
}

export interface IngestBorisNiJobData {
  type: "ingest-boris-ni";
  citySlug: string;
}

export interface IngestBorisHbJobData {
  type: "ingest-boris-hb";
  citySlug: string;
}

export interface DownloadGtfsDeJobData {
  type: "download-gtfs-de";
  url: string;
  /** Re-download even if data already exists */
  force?: boolean;
  /**
   * Per-city bounding boxes [minLng, minLat, maxLng, maxLat] used to clip the
   * GTFS feed after extraction. A stop is kept when it falls inside ANY of the
   * bboxes (each already padded by a small buffer in refresh-city.ts).
   * When absent the full feed is kept.
   */
  bboxes?: [number, number, number, number][];
}

export type PipelineJobData =
  | DownloadPbfJobData
  | ExtractPoisJobData
  | GenerateGridJobData
  | ComputeScoresJobData
  | ComputeRoutingJobData
  | BuildValhallaJobData
  | RefreshCityJobData
  | IngestBorisNiJobData
  | IngestBorisHbJobData
  | DownloadGtfsDeJobData
  | ComputeTransitJobData;

// ─── Job options (BullMQ-compatible plain objects) ────────────────────────────

export const JOB_OPTIONS: Record<PipelineJobData["type"], object> = {
  "compute-transit": {
    attempts: 1,
    removeOnComplete: { age: 86400 * 7 },
    removeOnFail: { age: 86400 * 30 },
  },
  "download-gtfs-de": {
    attempts: 2,
    backoff: { type: "fixed", delay: 10000 },
    removeOnComplete: { age: 86400 * 7 },
    removeOnFail: { age: 86400 * 30 },
  },
  "compute-routing": {
    attempts: 2,
    backoff: { type: "fixed", delay: 3000 },
    removeOnComplete: { age: 86400 * 7 },
    removeOnFail: { age: 86400 * 30 },
  },
  "download-pbf": {
    attempts: 2,
    backoff: { type: "fixed", delay: 5000 },
    removeOnComplete: { age: 86400 * 7 },
    removeOnFail: { age: 86400 * 30 },
  },
  "extract-pois": {
    attempts: 1,
    removeOnComplete: { age: 86400 * 7 },
    removeOnFail: { age: 86400 * 30 },
  },
  "generate-grid": {
    attempts: 1,
    removeOnComplete: { age: 86400 * 7 },
    removeOnFail: { age: 86400 * 30 },
  },
  "compute-scores": {
    attempts: 1,
    removeOnComplete: { age: 86400 * 7 },
    removeOnFail: { age: 86400 * 30 },
  },
  "build-valhalla": {
    attempts: 3,
    backoff: { type: "fixed", delay: 60_000 },
    removeOnComplete: { age: 86400 * 7 },
    removeOnFail: { age: 86400 * 30 },
  },
  "refresh-city": {
    attempts: 1,
    removeOnComplete: { age: 86400 * 7 },
    removeOnFail: { age: 86400 * 30 },
  },
  "ingest-boris-ni": {
    attempts: 2,
    backoff: { type: "fixed", delay: 5000 },
    removeOnComplete: { age: 86400 * 7 },
    removeOnFail: { age: 86400 * 30 },
  },
  "ingest-boris-hb": {
    attempts: 2,
    backoff: { type: "fixed", delay: 5000 },
    removeOnComplete: { age: 86400 * 7 },
    removeOnFail: { age: 86400 * 30 },
  },
};