import { INestApplication } from '@nestjs/common';
import * as bcrypt from 'bcryptjs';
import request from 'supertest';
import { App } from 'supertest/types';
import { addDays, berlinToday, dayToDate } from '../src/common/dates';
import { PrismaService } from '../src/prisma/prisma.service';
import { lockRowsForShare } from '../src/prisma/row-lock';
import { createTestApp } from './utils/create-test-app';
import { login } from './utils/api';

interface ColonyBody {
  id: string;
  apiaryId: string;
  notes: string | null;
}

interface RestrictedBody {
  code: string;
  message: string;
  restrictionIds: string[];
  restrictions: {
    id: string;
    apiaryId: string;
    apiaryName: string;
    disease: string;
    startsOn: string;
  }[];
}

interface RestrictionBody {
  id: string;
  apiaryId: string;
  endsOn: string | null;
}

const LIFECYCLE_PERMISSIONS = [
  'colonies:read',
  'colonies:create',
  'colonies:update',
  'colonies:manage-lifecycle',
  'apiaries:read',
];
const REASON = 'Amtstierarzt hat die Verbringung am Telefon genehmigt';
const DISEASE = 'Amerikanische Faulbrut';

describe('Restricted zone (e2e)', () => {
  let app: INestApplication<App>;
  let prisma: PrismaService;
  const suffix = Date.now();
  const password = 'SuperSecret123!';
  const userIds: string[] = [];
  const roleIds: string[] = [];
  let beekeeperToken: string;
  let lifecycleToken: string;
  let staffToken: string;
  let readonlyToken: string;
  let apiariesOnlyToken: string;
  let apiaryRestrictedId: string;
  let apiaryFreeId: string;
  let apiaryOtherId: string;
  const colonyIds: string[] = [];

  async function user(
    label: string,
    role: { connect: { key: string } } | { connect: { id: string } },
  ): Promise<string> {
    const email = `restricted-zone-${label}-${suffix}@example.com`;
    const created = await prisma.user.create({
      data: {
        email,
        passwordHash: await bcrypt.hash(password, 12),
        name: label,
        role,
      },
    });
    userIds.push(created.id);
    return (await login(app, email, password)).accessToken;
  }

  async function colonyIn(apiaryId: string): Promise<string> {
    const colony = await prisma.colony.create({
      data: {
        code: `RZ-${suffix}-${colonyIds.length}`,
        apiaryId,
        colonyType: 'PRODUCTION_COLONY',
      },
    });
    colonyIds.push(colony.id);
    return colony.id;
  }

  function restrict(apiaryId: string, endsOn: string | null = null) {
    return prisma.apiaryRestriction.create({
      data: {
        apiaryId,
        disease: DISEASE,
        startsOn: dayToDate('2000-01-01'),
        endsOn: endsOn ? dayToDate(endsOn) : null,
      },
    });
  }

  const apiaryIds = (): string[] => [
    apiaryRestrictedId,
    apiaryFreeId,
    apiaryOtherId,
  ];

  beforeAll(async () => {
    app = await createTestApp();
    prisma = app.get(PrismaService);

    const role = await prisma.role.create({
      data: {
        key: `RZ_LIFECYCLE_${suffix}`,
        name: 'Voelker ohne Behoerden',
        permissions: {
          create: LIFECYCLE_PERMISSIONS.map((key) => ({
            permission: { connect: { key } },
          })),
        },
      },
    });
    roleIds.push(role.id);
    beekeeperToken = await user('beekeeper', { connect: { key: 'BEEKEEPER' } });
    lifecycleToken = await user('lifecycle', { connect: { id: role.id } });
    staffToken = await user('staff', { connect: { key: 'STAFF' } });
    readonlyToken = await user('readonly', { connect: { key: 'READONLY' } });
    const apiariesOnly = await prisma.role.create({
      data: {
        key: `RZ_APIARIES_ONLY_${suffix}`,
        name: 'Nur Staende',
        permissions: {
          create: [{ permission: { connect: { key: 'apiaries:read' } } }],
        },
      },
    });
    roleIds.push(apiariesOnly.id);
    apiariesOnlyToken = await user('apiaries-only', {
      connect: { id: apiariesOnly.id },
    });

    apiaryRestrictedId = (
      await prisma.apiary.create({ data: { name: `RZ Sperre ${suffix}` } })
    ).id;
    apiaryFreeId = (
      await prisma.apiary.create({ data: { name: `RZ Frei ${suffix}` } })
    ).id;
    apiaryOtherId = (
      await prisma.apiary.create({ data: { name: `RZ Weitere ${suffix}` } })
    ).id;
  });

  beforeEach(async () => {
    await prisma.apiaryRestriction.deleteMany({
      where: { apiaryId: { in: apiaryIds() } },
    });
  });

  afterAll(async () => {
    await prisma.apiaryRestriction.deleteMany({
      where: { apiaryId: { in: apiaryIds() } },
    });
    await prisma.domainEvent.deleteMany({
      where: { aggregateType: 'Colony', aggregateId: { in: colonyIds } },
    });
    const harvests = await prisma.harvest.findMany({
      where: { apiaryId: { in: apiaryIds() } },
      select: { id: true },
    });
    const harvestIds = harvests.map((harvest) => harvest.id);
    await prisma.harvestColony.deleteMany({
      where: { harvestId: { in: harvestIds } },
    });
    await prisma.harvest.deleteMany({ where: { id: { in: harvestIds } } });
    await prisma.colonyLineage.deleteMany({
      where: {
        OR: [
          { fromColonyId: { in: colonyIds } },
          { toColonyId: { in: colonyIds } },
        ],
      },
    });
    await prisma.colonyApiaryHistory.deleteMany({
      where: { colonyId: { in: colonyIds } },
    });
    await prisma.colony.deleteMany({
      where: {
        OR: [{ id: { in: colonyIds } }, { apiaryId: { in: apiaryIds() } }],
      },
    });
    await prisma.apiary.deleteMany({ where: { id: { in: apiaryIds() } } });
    await prisma.refreshToken.deleteMany({
      where: { userId: { in: userIds } },
    });
    await prisma.auditLog.deleteMany({ where: { userId: { in: userIds } } });
    await prisma.user.deleteMany({ where: { id: { in: userIds } } });
    await prisma.role.deleteMany({ where: { id: { in: roleIds } } });
    await app.close();
  });

  it('update with a changed apiary, move, merge across apiaries and create each answer 409 RESTRICTED_ZONE', async () => {
    await restrict(apiaryRestrictedId);
    const inFree = await colonyIn(apiaryFreeId);
    const inRestricted = await colonyIn(apiaryRestrictedId);
    const http = () => request(app.getHttpServer());
    const auth = { Authorization: `Bearer ${beekeeperToken}` };

    const created = await http()
      .post('/api/v1/colonies')
      .set(auth)
      .send({
        code: `RZ-new-${suffix}`,
        apiaryId: apiaryRestrictedId,
        colonyType: 'PRODUCTION_COLONY',
      })
      .expect(409);
    const body = created.body as RestrictedBody;
    expect(body.code).toBe('RESTRICTED_ZONE');
    expect(body.restrictionIds).toHaveLength(1);
    expect(body.restrictions[0]).toMatchObject({
      apiaryId: apiaryRestrictedId,
      apiaryName: `RZ Sperre ${suffix}`,
      disease: DISEASE,
      startsOn: '2000-01-01',
    });
    expect(body.message).toContain(`RZ Sperre ${suffix}`);
    expect(
      await prisma.colony.count({ where: { code: `RZ-new-${suffix}` } }),
    ).toBe(0);

    await http()
      .patch(`/api/v1/colonies/${inFree}`)
      .set(auth)
      .send({ apiaryId: apiaryRestrictedId })
      .expect(409);
    await http()
      .post(`/api/v1/colonies/${inFree}/move`)
      .set(auth)
      .send({ apiaryId: apiaryRestrictedId })
      .expect(409);
    await http()
      .post(`/api/v1/colonies/${inRestricted}/move`)
      .set(auth)
      .send({ apiaryId: apiaryFreeId })
      .expect(409);
    await http()
      .patch(`/api/v1/colonies/${inRestricted}`)
      .set(auth)
      .send({ apiaryId: apiaryFreeId })
      .expect(409);
    await http()
      .post(`/api/v1/colonies/${inFree}/merge`)
      .set(auth)
      .send({ mergedColonyIds: [inRestricted] })
      .expect(409);

    const after = await prisma.colony.findMany({
      where: { id: { in: [inFree, inRestricted] } },
      orderBy: { id: 'asc' },
    });
    expect(
      after.map((colony) => [colony.id, colony.apiaryId, colony.status]),
    ).toEqual(
      [
        [inFree, apiaryFreeId, 'ACTIVE'],
        [inRestricted, apiaryRestrictedId, 'ACTIVE'],
      ].sort(([a], [b]) => (a < b ? -1 : 1)),
    );
  });

  it('an override with compliance:manage answers 200, writes audit and the history note, and never stores the reason on the colony', async () => {
    const restriction = await restrict(apiaryRestrictedId);
    const colonyId = await colonyIn(apiaryFreeId);
    const auth = { Authorization: `Bearer ${beekeeperToken}` };

    const patched = await request(app.getHttpServer())
      .patch(`/api/v1/colonies/${colonyId}`)
      .set(auth)
      .send({ apiaryId: apiaryRestrictedId, restrictionOverrideReason: REASON })
      .expect(200);
    expect((patched.body as ColonyBody).apiaryId).toBe(apiaryRestrictedId);
    const moved = await request(app.getHttpServer())
      .post(`/api/v1/colonies/${colonyId}/move`)
      .set(auth)
      .send({
        apiaryId: apiaryFreeId,
        notes: 'Rueckfuehrung',
        restrictionOverrideReason: REASON,
      })
      .expect(201);
    expect((moved.body as ColonyBody).apiaryId).toBe(apiaryFreeId);

    const colony = await prisma.colony.findUniqueOrThrow({
      where: { id: colonyId },
    });
    expect(JSON.stringify(colony)).not.toContain(REASON);
    const history = await prisma.colonyApiaryHistory.findMany({
      where: { colonyId },
      orderBy: { movedAt: 'asc' },
    });
    expect(history.map((entry) => entry.notes)).toEqual([
      `Ausnahme Sperrbezirk: ${REASON}\nKorrektur über Volk bearbeiten`,
      `Ausnahme Sperrbezirk: ${REASON}\nRueckfuehrung`,
    ]);
    const audits = await prisma.auditLog.findMany({
      where: { entityType: 'Colony', entityId: colonyId, action: 'UPDATE' },
    });
    expect(audits).toHaveLength(2);
    for (const audit of audits) {
      expect(
        (audit.afterData as { restrictionOverride: unknown })
          .restrictionOverride,
      ).toEqual({ reason: REASON, restrictionIds: [restriction.id] });
    }
  });

  it('an override without compliance:manage answers 403 and an override reason of 5 characters answers 400', async () => {
    await restrict(apiaryRestrictedId);
    const colonyId = await colonyIn(apiaryFreeId);

    await request(app.getHttpServer())
      .post(`/api/v1/colonies/${colonyId}/move`)
      .set('Authorization', `Bearer ${lifecycleToken}`)
      .send({ apiaryId: apiaryRestrictedId, restrictionOverrideReason: REASON })
      .expect(403);
    await request(app.getHttpServer())
      .post(`/api/v1/colonies/${colonyId}/move`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({
        apiaryId: apiaryRestrictedId,
        restrictionOverrideReason: 'kurz!',
      })
      .expect(400);
    await request(app.getHttpServer())
      .post(`/api/v1/colonies/${colonyId}/move`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({
        apiaryId: apiaryRestrictedId,
        restrictionOverrideReason: ' '.repeat(12),
      })
      .expect(400);
    // A reason without compliance:manage is a 403 even when nothing is restricted.
    await request(app.getHttpServer())
      .post(`/api/v1/colonies/${colonyId}/move`)
      .set('Authorization', `Bearer ${lifecycleToken}`)
      .send({ apiaryId: apiaryOtherId, restrictionOverrideReason: REASON })
      .expect(403);
    expect(
      (await prisma.colony.findUniqueOrThrow({ where: { id: colonyId } }))
        .apiaryId,
    ).toBe(apiaryFreeId);
  });

  it('split inside the apiary and a harvest at a restricted apiary succeed', async () => {
    await restrict(apiaryRestrictedId);
    const colonyId = await colonyIn(apiaryRestrictedId);

    const split = await request(app.getHttpServer())
      .post(`/api/v1/colonies/${colonyId}/split`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({ code: `RZ-split-${suffix}`, colonyType: 'NUCLEUS_COLONY' })
      .expect(201);
    colonyIds.push((split.body as ColonyBody).id);
    expect((split.body as ColonyBody).apiaryId).toBe(apiaryRestrictedId);

    await request(app.getHttpServer())
      .post('/api/v1/harvests')
      .set('Authorization', `Bearer ${staffToken}`)
      .send({
        apiaryId: apiaryRestrictedId,
        date: new Date().toISOString(),
        colonyIds: [colonyId],
        netWeight: 12,
      })
      .expect(201);
  });

  it('a restriction ending yesterday no longer blocks, one ending today still does', async () => {
    const today = berlinToday();
    const colonyId = await colonyIn(apiaryFreeId);
    const auth = { Authorization: `Bearer ${beekeeperToken}` };
    await restrict(apiaryRestrictedId, today);

    await request(app.getHttpServer())
      .post(`/api/v1/colonies/${colonyId}/move`)
      .set(auth)
      .send({ apiaryId: apiaryRestrictedId })
      .expect(409);

    await prisma.apiaryRestriction.updateMany({
      where: { apiaryId: apiaryRestrictedId },
      data: { endsOn: dayToDate(addDays(today, -1)) },
    });
    await request(app.getHttpServer())
      .post(`/api/v1/colonies/${colonyId}/move`)
      .set(auth)
      .send({ apiaryId: apiaryRestrictedId })
      .expect(201);
  });

  it('GET /public routes never contain restriction data', async () => {
    const user = await prisma.user.findFirstOrThrow({
      where: { id: { in: userIds } },
    });
    const lotNumber = `RZ-LOT-${suffix}`;
    await restrict(apiaryRestrictedId);
    const colonyId = await colonyIn(apiaryRestrictedId);
    const harvest = await prisma.harvest.create({
      data: {
        apiaryId: apiaryRestrictedId,
        date: new Date('2026-08-12'),
        userId: user.id,
      },
    });
    await prisma.harvestColony.create({
      data: { harvestId: harvest.id, colonyId },
    });
    const extraction = await prisma.extraction.create({
      data: { date: new Date('2026-08-13'), userId: user.id },
    });
    await prisma.extractionHarvest.create({
      data: { extractionId: extraction.id, harvestId: harvest.id },
    });
    const honeyBatch = await prisma.honeyBatch.create({
      data: {
        batchNumber: `RZ-HC-${suffix}`,
        extractionId: extraction.id,
        amount: 25,
        honeyType: 'Sommerhonig',
      },
    });
    const product = await prisma.product.create({
      data: { name: `RZ Honig ${suffix}` },
    });
    const bottling = await prisma.bottlingBatch.create({
      data: {
        honeyBatchId: honeyBatch.id,
        productId: product.id,
        date: new Date('2026-08-20'),
        jarSize: 500,
        jarCount: 10,
        totalAmount: 5,
        bestBeforeDate: new Date('2028-08-20'),
        lotNumber,
        userId: user.id,
      },
    });
    try {
      const response = await request(app.getHttpServer())
        .get(`/api/v1/public/batches/${lotNumber}`)
        .expect(200);
      const text = JSON.stringify(response.body).toLowerCase();
      for (const secret of [DISEASE, 'faulbrut', 'restriction', 'sperr']) {
        expect(text).not.toContain(secret.toLowerCase());
      }
    } finally {
      await prisma.bottlingBatch.delete({ where: { id: bottling.id } });
      await prisma.product.delete({ where: { id: product.id } });
      await prisma.honeyBatch.delete({ where: { id: honeyBatch.id } });
      await prisma.extractionHarvest.deleteMany({
        where: { extractionId: extraction.id },
      });
      await prisma.extraction.delete({ where: { id: extraction.id } });
    }
  });

  it('READONLY may read restrictions but not create them (403)', async () => {
    const auth = { Authorization: `Bearer ${readonlyToken}` };
    const restriction = await restrict(apiaryRestrictedId);

    const active = await request(app.getHttpServer())
      .get('/api/v1/apiary-restrictions?active=true')
      .set(auth)
      .expect(200);
    expect(
      (active.body as RestrictedBody['restrictions']).map((entry) => entry.id),
    ).toContain(restriction.id);
    const ofApiary = await request(app.getHttpServer())
      .get(`/api/v1/apiaries/${apiaryRestrictedId}/restrictions`)
      .set(auth)
      .expect(200);
    expect(
      (ofApiary.body as RestrictionBody[]).map((entry) => entry.id),
    ).toEqual([restriction.id]);
    await request(app.getHttpServer())
      .post('/api/v1/apiary-restrictions')
      .set(auth)
      .send({
        apiaryIds: [apiaryFreeId],
        disease: DISEASE,
        startsOn: '2026-10-01',
      })
      .expect(403);
    await request(app.getHttpServer())
      .patch(`/api/v1/apiary-restrictions/${restriction.id}`)
      .set(auth)
      .send({ endsOn: '2026-12-01' })
      .expect(403);
  });

  it('creates one restriction per apiary, ends it by endsOn and keeps the row', async () => {
    const auth = { Authorization: `Bearer ${beekeeperToken}` };

    const created = await request(app.getHttpServer())
      .post('/api/v1/apiary-restrictions')
      .set(auth)
      .send({
        apiaryIds: [apiaryFreeId, apiaryOtherId],
        disease: DISEASE,
        startsOn: '2026-10-01',
        authority: 'Veterinaeramt',
      })
      .expect(201);
    const rows = created.body as RestrictionBody[];
    expect(rows.map((row) => row.apiaryId).sort()).toEqual(
      [apiaryFreeId, apiaryOtherId].sort(),
    );

    await request(app.getHttpServer())
      .post('/api/v1/apiary-restrictions')
      .set(auth)
      .send({
        apiaryIds: [apiaryFreeId, 'does-not-exist'],
        disease: DISEASE,
        startsOn: '2026-10-01',
      })
      .expect(404);
    expect(
      await prisma.apiaryRestriction.count({
        where: { apiaryId: { in: apiaryIds() } },
      }),
    ).toBe(2);

    await request(app.getHttpServer())
      .post('/api/v1/apiary-restrictions')
      .set(auth)
      .send({
        apiaryIds: [apiaryFreeId],
        disease: DISEASE,
        startsOn: '2026-10-05',
        endsOn: '2026-10-01',
      })
      .expect(400);

    const ended = await request(app.getHttpServer())
      .patch(`/api/v1/apiary-restrictions/${rows[0].id}`)
      .set(auth)
      .send({ endsOn: '2026-10-20' })
      .expect(200);
    expect((ended.body as RestrictionBody).endsOn).toContain('2026-10-20');
    await request(app.getHttpServer())
      .patch(`/api/v1/apiary-restrictions/${rows[0].id}`)
      .set(auth)
      .send({ endsOn: '2026-09-01' })
      .expect(400);
    await request(app.getHttpServer())
      .patch(`/api/v1/apiary-restrictions/${rows[0].id}`)
      .set(auth)
      .send({ endsOn: null })
      .expect(200);
    expect(
      await prisma.auditLog.count({
        where: { entityType: 'ApiaryRestriction', entityId: rows[0].id },
      }),
    ).toBe(3);
  });

  it('a restriction created while a move into that apiary is in flight: the move commits first, the restriction waits (FOR UPDATE vs FOR SHARE)', async () => {
    let letMoveCommit!: () => void;
    const commitSignal = new Promise<void>((resolve) => {
      letMoveCommit = resolve;
    });
    let moveHoldsLock!: () => void;
    const lockHeld = new Promise<void>((resolve) => {
      moveHoldsLock = resolve;
    });
    // What a move into the apiary holds between its lock and its commit.
    const moveInFlight = prisma.$transaction(
      async (tx) => {
        await lockRowsForShare(tx, 'Apiary', [apiaryFreeId]);
        moveHoldsLock();
        await commitSignal;
      },
      { timeout: 15_000 },
    );
    await lockHeld;

    let answered = false;
    const creating = request(app.getHttpServer())
      .post('/api/v1/apiary-restrictions')
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({
        apiaryIds: [apiaryFreeId],
        disease: DISEASE,
        startsOn: '2026-10-01',
      })
      .then((response) => {
        answered = true;
        return response;
      });

    await new Promise((resolve) => setTimeout(resolve, 600));
    expect(answered).toBe(false);

    letMoveCommit();
    await moveInFlight;
    expect((await creating).status).toBe(201);
  });

  it('details (authority, reference, notes, creator) need compliance:read; apiaries:read alone gets the summary', async () => {
    const restriction = await prisma.apiaryRestriction.create({
      data: {
        apiaryId: apiaryRestrictedId,
        disease: DISEASE,
        authority: 'Veterinaeramt Geheim',
        reference: 'AZ-GEHEIM-1',
        notes: 'interne Notiz',
        startsOn: dayToDate('2000-01-01'),
        createdByUserId: userIds[0],
      },
    });
    const paths = [
      '/api/v1/apiary-restrictions',
      `/api/v1/apiaries/${apiaryRestrictedId}/restrictions`,
    ];
    for (const path of paths) {
      const minimal = await request(app.getHttpServer())
        .get(path)
        .set('Authorization', `Bearer ${apiariesOnlyToken}`)
        .expect(200);
      const rows = (minimal.body as RestrictionBody[]).filter(
        (row) => row.id === restriction.id,
      );
      expect(rows).toHaveLength(1);
      expect(Object.keys(rows[0]).sort()).toEqual([
        'apiaryId',
        'disease',
        'endsOn',
        'id',
        'startsOn',
      ]);
      const text = JSON.stringify(minimal.body);
      for (const secret of ['Geheim', 'AZ-GEHEIM-1', 'interne Notiz']) {
        expect(text).not.toContain(secret);
      }
      const full = await request(app.getHttpServer())
        .get(path)
        .set('Authorization', `Bearer ${readonlyToken}`)
        .expect(200);
      const detailed = (full.body as Record<string, unknown>[]).find(
        (row) => row.id === restriction.id,
      );
      expect(detailed).toMatchObject({
        authority: 'Veterinaeramt Geheim',
        reference: 'AZ-GEHEIM-1',
        notes: 'interne Notiz',
      });
    }
  });

  it('a move and a restriction on the target apiary racing each other end consistently', async () => {
    for (let round = 0; round < 4; round += 1) {
      await prisma.apiaryRestriction.deleteMany({
        where: { apiaryId: { in: apiaryIds() } },
      });
      const colonyId = await colonyIn(apiaryFreeId);
      const [move, created] = await Promise.all([
        request(app.getHttpServer())
          .post(`/api/v1/colonies/${colonyId}/move`)
          .set('Authorization', `Bearer ${beekeeperToken}`)
          .send({ apiaryId: apiaryOtherId }),
        request(app.getHttpServer())
          .post('/api/v1/apiary-restrictions')
          .set('Authorization', `Bearer ${beekeeperToken}`)
          .send({
            apiaryIds: [apiaryOtherId],
            disease: DISEASE,
            startsOn: '2000-01-01',
          }),
      ]);
      // Either the move committed first and the restriction followed, or the
      // restriction was first and the move was refused - never a move that
      // slipped past a restriction that was already in force.
      expect(created.status).toBe(201);
      expect([201, 409]).toContain(move.status);
      const colony = await prisma.colony.findUniqueOrThrow({
        where: { id: colonyId },
      });
      expect(colony.apiaryId).toBe(
        move.status === 201 ? apiaryOtherId : apiaryFreeId,
      );
    }
  });
});