import type { UploadEntry, UploadKind, UploadAcceptance } from "./types";

// ---------------------------------------------------------------------------
// Upload acceptance rules — kept populated so the UI on /dashboard/uploads
// can still render its format / size hints and the /api/upload endpoint
// can still validate incoming files. Once PocketBase is wired, the
// history below will be replaced with live queries to the appropriate
// PB collection per kind.
// ---------------------------------------------------------------------------

export const UPLOAD_ACCEPTANCE: Record<UploadKind, UploadAcceptance> = {
  orders: {
    mimes: ["text/csv", "application/vnd.ms-excel", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"],
    extensions: [".csv", ".xls", ".xlsx"],
    maxBytes: 10 * 1024 * 1024, // 10 MB
    description: "Bulk purchase order lines, supplier invoices, or stock-sheet exports.",
  },
  "delivery-notes": {
    mimes: ["application/pdf", "image/png", "image/jpeg", "image/webp"],
    extensions: [".pdf", ".png", ".jpg", ".jpeg", ".webp"],
    maxBytes: 20 * 1024 * 1024, // 20 MB
    description: "Scanned delivery notes, supplier GRNs, or photos of the docket.",
  },
  "fuel-logs": {
    mimes: ["text/csv", "application/vnd.ms-excel", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"],
    extensions: [".csv", ".xls", ".xlsx"],
    maxBytes: 5 * 1024 * 1024, // 5 MB
    description: "Per-vehicle daily fuel-issue exports from the depot system.",
  },
  "time-sheets": {
    mimes: ["text/csv", "application/vnd.ms-excel", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"],
    extensions: [".csv", ".xls", ".xlsx"],
    maxBytes: 5 * 1024 * 1024,
    description: "Weekly or daily timesheet exports from the payroll system.",
  },
};

// ---------------------------------------------------------------------------
// Upload history — empty until PocketBase is wired. The shape of each
// entry matches `UploadEntry`; once your ingest pipeline lands in
// lib/pb.ts, append live records here and the Uploads page will render
// them (or replace this export entirely with a PB query).
// ---------------------------------------------------------------------------

export const UPLOAD_HISTORY: UploadEntry[] = [];

// Helper for callers that want to filter by kind. Returns an empty array
// when `UPLOAD_HISTORY` is empty.
export function uploadsByKind(kind: UploadKind): UploadEntry[] {
  return UPLOAD_HISTORY.filter((u) => u.kind === kind);
}