// Lane L4 „Einsatz mobil" — Sync- und Upload-Tests: Idempotenz (gleiche clientOpId → duplicate,
// keine Doppelanlage), Konflikt bei veralteter baseVersion (nichts überschrieben), Scope über die
// Sync-API (fremder Auftrag → not_found), Mandantentrennung bei Uploads/Dokumenten, Foto-/
// Sprachnotiz-Anhang, Ops fremder Lanes ohne Implementierung, image-derivatives-Processor.
//
// Lauf: npx tsx scripts/test-einsatz-sync.ts (lokale Postgres-DB aus .env; S3 optional)

import "dotenv/config";
import { randomUUID } from "node:crypto";
import sharp from "sharp";
import { prisma } from "../src/server/db";
import { closeJobQueues } from "../src/server/jobs/queues";
import { applyOperations } from "../src/server/services/sync/apply";
import { storeFieldUpload } from "../src/server/services/field/uploads";
import { openFieldDocument } from "../src/server/services/field/documents";
import { process as imageDerivatives } from "../src/server/jobs/processors/image-derivatives";
import type { SyncOperationInput, SyncOpType } from "../src/lib/sync/envelope";
import type { ServiceCtx } from "../src/server/services/context";
import { createFixture, expectCode, failures, ok } from "./lib/einsatz-fixture";

const S3 = !!process.env.S3_ENDPOINT?.trim();

function op(opType: SyncOpType, payload: Record<string, unknown>, extra: Partial<SyncOperationInput> = {}): SyncOperationInput {
  return { clientOpId: randomUUID(), opType, payload, clientCreatedAt: new Date().toISOString(), ...extra };
}

async function one(ctx: ServiceCtx, operation: SyncOperationInput) {
  const res = await applyOperations(ctx, { deviceId: "test-device", operations: [operation] });
  return res.results[0];
}

async function main() {
  const f = await createFixture("l4sync");
  const wo = f.orderA.id;
  try {
    console.log("\n— Idempotenz —");
    const noteOp = op("note.create", { workOrderId: wo, clientId: randomUUID(), kind: "work_done", text: "Heizkörper montiert" });
    const r1 = await one(f.ctxTech, noteOp);
    ok(r1.status === "applied" && !!r1.idMap && Object.keys(r1.idMap).length === 1, "erste Op → applied mit idMap");
    const r2 = await one(f.ctxTech, noteOp);
    ok(r2.status === "duplicate" && JSON.stringify(r2.idMap) === JSON.stringify(r1.idMap), "gleiche clientOpId → duplicate mit gespeicherter idMap");
    ok((await prisma.activityNote.count({ where: { workOrderId: wo } })) === 1, "keine Doppelanlage der Notiz");
    ok((await prisma.syncOperation.count({ where: { tenantId: f.tenantA.id, clientOpId: noteOp.clientOpId } })) === 1, "SyncOperation einmal protokolliert");
    const batch = await applyOperations(f.ctxTech, { deviceId: "test-device", operations: [noteOp, noteOp] });
    ok(batch.results.every((r) => r.status === "duplicate"), "Batch mit Wiederholungen → duplicate");

    const bad = await one(f.ctxTech, op("note.create", { workOrderId: wo, kind: "unbekannt", text: "" }));
    ok(bad.status === "rejected" && bad.errorCode === "invalid", "ungültige Payload → rejected invalid");

    console.log("\n— Konflikt (baseVersion) —");
    const before = await prisma.workOrder.findUniqueOrThrow({ where: { id: wo } });
    const stale = await one(f.ctxTech, op("work_order.transition", { workOrderId: wo, to: "accepted" }, { baseVersion: before.version + 5 }));
    ok(stale.status === "conflict" && stale.entityVersion === before.version, "veraltete baseVersion → conflict mit aktueller Version");
    const afterConflict = await prisma.workOrder.findUniqueOrThrow({ where: { id: wo } });
    ok(afterConflict.status === before.status && afterConflict.version === before.version, "bei Konflikt nichts überschrieben");
    const stored = await prisma.syncOperation.findFirst({ where: { tenantId: f.tenantA.id, clientOpId: stale.clientOpId } });
    ok(stored?.status === "conflict" && stored.errorCode === "conflict", "Konflikt als SyncOperation(status=conflict) für das Backoffice gespeichert");
    const noBase = await one(f.ctxTech, op("work_order.transition", { workOrderId: wo, to: "accepted" }));
    ok(noBase.status === "rejected" && noBase.errorCode === "invalid", "konfliktbehaftete Op ohne baseVersion → invalid");
    const fresh = await one(f.ctxTech, op("work_order.transition", { workOrderId: wo, to: "accepted" }, { baseVersion: before.version }));
    const accepted = await prisma.workOrder.findUniqueOrThrow({ where: { id: wo } });
    ok(fresh.status === "applied" && fresh.entityVersion === before.version + 1 && accepted.status === "accepted", "aktuelle baseVersion → applied, Version +1");
    ok((await prisma.workOrderStatusChange.count({ where: { workOrderId: wo, toStatus: "accepted" } })) === 1, "Statuswechsel protokolliert");

    console.log("\n— Sessions über Sync —");
    const st1 = await one(f.ctxTech, op("session.start", { workOrderId: wo, mode: "work", clientId: randomUUID() }));
    const st2 = await one(f.ctxTech, op("session.start", { workOrderId: wo, mode: "work", clientId: randomUUID() }));
    ok(st1.status === "applied" && st2.status === "rejected" && st2.errorCode === "conflict", "zweiter Start über Sync → rejected conflict");
    ok((await prisma.workSession.count({ where: { workOrderId: wo, status: "running" } })) === 1, "nur eine laufende Session");

    console.log("\n— Scope über die Sync-API —");
    const foreign = await one(f.ctxOutsider, op("note.create", { workOrderId: wo, kind: "general", text: "darf nicht" }));
    ok(foreign.status === "rejected" && foreign.errorCode === "not_found", "Monteur ohne Zuweisung → rejected not_found");
    const foreignTransition = await one(f.ctxOutsider, op("work_order.transition", { workOrderId: wo, to: "en_route" }, { baseVersion: accepted.version }));
    ok(foreignTransition.status === "rejected" && foreignTransition.errorCode === "not_found", "fremder Auftrag bei Konfliktprüfung → not_found (kein Versions-Leak)");
    const crossTenant = await one(f.ctxB, op("note.create", { workOrderId: wo, kind: "general", text: "Mandant B" }));
    ok(crossTenant.status === "rejected" && crossTenant.errorCode === "not_found", "Mandant B auf Auftrag von A → not_found");
    ok((await prisma.activityNote.count({ where: { workOrderId: wo } })) === 1, "keine fremden Notizen angelegt");
    const sameOpIdB = await one(f.ctxB, { ...noteOp, payload: { workOrderId: f.orderB.id, kind: "general", text: "B eigene Notiz" } });
    ok(sameOpIdB.status === "applied", "gleiche clientOpId in Mandant B ist unabhängig (Idempotenz je Mandant)");
    const reuseOther = await one(f.ctxLead, noteOp);
    ok(reuseOther.status === "rejected" && !reuseOther.idMap, "fremder Nutzer mit gleicher clientOpId erhält kein gespeichertes Ergebnis");

    console.log("\n— Ops fremder Lanes —");
    const report = await one(f.ctxTech, op("report.save_draft", { workOrderId: wo }));
    ok(report.status === "rejected" && report.errorCode === "invalid" && /not available/.test(report.message ?? ""), "report.save_draft ohne L5 → rejected invalid mit Hinweis");
    ok((await prisma.syncOperation.count({ where: { clientOpId: report.clientOpId } })) === 0, "nicht verfügbare Op wird nicht gespeichert (später wiederholbar)");

    console.log("\n— Uploads & Mandantentrennung —");
    const jpeg = await sharp({ create: { width: 1200, height: 800, channels: 3, background: { r: 200, g: 120, b: 40 } } }).jpeg().toBuffer();
    const thumb = await sharp(jpeg).resize(400).jpeg().toBuffer();
    const uploadClient = randomUUID();
    const up1 = await storeFieldUpload(f.ctxTech, { clientId: uploadClient, workOrderId: wo, kind: "photo" }, { bytes: jpeg, name: "foto.jpg", type: "image/jpeg" }, { bytes: thumb, name: "t.jpg", type: "image/jpeg" });
    const up2 = await storeFieldUpload(f.ctxTech, { clientId: uploadClient, workOrderId: wo, kind: "photo" }, { bytes: jpeg, name: "foto.jpg", type: "image/jpeg" });
    ok(!up1.duplicate && up2.duplicate && up1.documentId === up2.documentId, "Upload idempotent über clientId");
    const doc = await prisma.document.findUniqueOrThrow({ where: { id: up1.documentId } });
    ok(doc.tenantId === f.tenantA.id && doc.category === "photo" && doc.mimeType === "image/jpeg" && doc.checksum.length === 64 && !!doc.previewKey, "Dokument mit MIME, Prüfsumme und Vorschaubild");

    const upB = await storeFieldUpload(f.ctxB, { clientId: uploadClient, workOrderId: f.orderB.id, kind: "photo" }, { bytes: jpeg, name: "foto.jpg", type: "image/jpeg" });
    ok(!upB.duplicate && upB.documentId !== up1.documentId, "gleiche clientId in Mandant B → eigenes Dokument, kein Zugriff auf A");
    await expectCode(() => storeFieldUpload(f.ctxB, { clientId: randomUUID(), workOrderId: wo, kind: "photo" }, { bytes: jpeg, name: "x.jpg", type: "image/jpeg" }), "not_found", "Mandant B lädt auf Auftrag von A hoch → not_found");
    await expectCode(() => openFieldDocument(f.ctxB, up1.documentId), "not_found", "Mandant B öffnet Dokument von A → not_found");
    await expectCode(() => openFieldDocument(f.ctxOutsider, up1.documentId), "not_found", "Monteur ohne Zuweisung öffnet Dokument → not_found");
    await expectCode(
      () => storeFieldUpload(f.ctxTech, { clientId: randomUUID(), workOrderId: wo, kind: "photo" }, { bytes: Buffer.from("%PDF-1.7 fake pdf content"), name: "x.pdf", type: "application/pdf" }),
      "invalid",
      "PDF als Foto → invalid (Magic Bytes)",
    );
    if (S3) {
      const opened = await openFieldDocument(f.ctxTech, up1.documentId, "preview");
      ok(!!opened.content.stream, "zugewiesener Monteur öffnet eigenes Foto (Vorschau)");
    } else {
      console.log("↷ Byte-Abruf übersprungen (kein S3_ENDPOINT)");
    }
    const internal = await prisma.document.create({
      data: { tenantId: f.tenantA.id, workOrderId: wo, category: "other", fileName: "intern.pdf", storageKey: `${f.tenantA.id}/uploads/x`, mimeType: "application/pdf", fileSize: 1, checksum: "0", lineageId: randomUUID(), visibility: "backoffice_only" },
    });
    await expectCode(() => openFieldDocument(f.ctxTech, internal.id), "not_found", "Backoffice-internes Dokument bleibt für Monteur verborgen");

    console.log("\n— Foto & Sprachnotiz anhängen —");
    const req = f.orderA.photoRequirements[0];
    const photoClient = randomUUID();
    const attach = await one(f.ctxTech, op("photo.attach", { workOrderId: wo, clientId: photoClient, documentId: up1.documentId, phase: "before", photoRequirementId: req.id, comment: "Typenschild" }));
    ok(attach.status === "applied" && !!attach.idMap?.[photoClient], "photo.attach → applied");
    const photo = await prisma.photo.findFirst({ where: { documentId: up1.documentId } });
    ok(photo?.photoRequirementId === req.id && photo.phase === "before" && photo.takenById === f.tech.id, "Foto mit Phase, Pflichtfoto und Aufnehmendem");
    const attachB = await one(f.ctxB, op("photo.attach", { workOrderId: f.orderB.id, documentId: up1.documentId }));
    ok(attachB.status === "rejected" && attachB.errorCode === "not_found", "Mandant B hängt Dokument von A an → not_found");
    const attachAgain = await one(f.ctxTech, op("photo.attach", { workOrderId: wo, documentId: up1.documentId }));
    ok(attachAgain.status === "rejected" && attachAgain.errorCode === "invalid", "Dokument doppelt anhängen → invalid");

    const webm = Buffer.concat([Buffer.from([0x1a, 0x45, 0xdf, 0xa3]), Buffer.alloc(512, 1)]);
    const voiceUp = await storeFieldUpload(f.ctxTech, { clientId: randomUUID(), workOrderId: wo, kind: "voice_note" }, { bytes: webm, name: "sprachnotiz.webm", type: "audio/webm;codecs=opus" });
    const voice = await one(f.ctxTech, op("voice.attach", { workOrderId: wo, clientId: randomUUID(), documentId: voiceUp.documentId, durationSeconds: 12 }));
    const vn = await prisma.voiceNote.findFirst({ where: { documentId: voiceUp.documentId } });
    ok(voice.status === "applied" && vn?.transcriptionStatus === "disabled", "Sprachnotiz ohne Transkriptions-Processor → Status disabled statt Fehler");

    console.log("\n— image-derivatives —");
    const noThumb = await storeFieldUpload(f.ctxTech, { clientId: randomUUID(), workOrderId: wo, kind: "photo" }, { bytes: jpeg, name: "ohne-vorschau.jpg", type: "image/jpeg" });
    await imageDerivatives({ tenantId: f.tenantA.id, entityId: noThumb.documentId, actorId: f.tech.id });
    const derived = await prisma.document.findUniqueOrThrow({ where: { id: noThumb.documentId } });
    if (S3) ok(!!derived.previewKey && derived.previewKey.startsWith(`${f.tenantA.id}/`), "Processor erzeugt mandantenpräfixiertes Vorschaubild");
    else ok(derived.previewKey === null, "ohne Byte-Speicher kein Vorschaubild (kein Fehler)");
    await imageDerivatives({ tenantId: f.tenantB.id, entityId: noThumb.documentId });
    ok((await prisma.document.findUniqueOrThrow({ where: { id: noThumb.documentId } })).previewKey === derived.previewKey, "Processor mit fremdem Mandanten ändert nichts");
  } finally {
    await f.cleanup();
    await closeJobQueues();
    await prisma.$disconnect();
  }
  console.log(`\n${failures === 0 ? "✓ alle Prüfungen grün" : `✗ ${failures} Fehler`}`);
  process.exit(failures ? 1 : 0);
}

main().catch((err) => {
  console.error(err);
  process.exit(1);
});