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

interface VarroaMeasurementBody {
  id: string;
  colonyId: string;
  calculatedValue: number | null;
}

interface BulkVarroaBody {
  bulkId: string;
  records: (VarroaMeasurementBody & {
    miteCount: number | null;
    durationMinutes: number | null;
    assessment: string | null;
  })[];
}

describe('Varroa measurements (e2e)', () => {
  let app: INestApplication<App>;
  let prisma: PrismaService;
  const beekeeperEmail = `varroa-e2e-beekeeper-${Date.now()}@example.com`;
  const staffEmail = `varroa-e2e-staff-${Date.now()}@example.com`;
  const password = 'SuperSecret123!';
  let beekeeperId: string;
  let staffId: string;
  let beekeeperToken: string;
  let staffToken: string;
  let apiaryId: string;
  let colonyId: string;
  let measurementId: string;
  let noVarroaRoleId: string;
  let noVarroaUserId: string;
  let noVarroaToken: string;

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

    const passwordHash = await bcrypt.hash(password, 12);
    const beekeeper = await prisma.user.create({
      data: {
        email: beekeeperEmail,
        passwordHash,
        name: 'Beekeeper',
        role: { connect: { key: 'BEEKEEPER' } },
      },
    });
    beekeeperId = beekeeper.id;
    const staff = await prisma.user.create({
      data: {
        email: staffEmail,
        passwordHash,
        name: 'Staff',
        role: { connect: { key: 'STAFF' } },
      },
    });
    staffId = staff.id;
    beekeeperToken = (await login(app, beekeeperEmail, password)).accessToken;
    staffToken = (await login(app, staffEmail, password)).accessToken;

    const apiary = await prisma.apiary.create({
      data: { name: `Stand ${Date.now()}` },
    });
    apiaryId = apiary.id;
    const colony = await prisma.colony.create({
      data: {
        code: `V-${Date.now()}`,
        apiaryId,
        colonyType: 'PRODUCTION_COLONY',
      },
    });
    colonyId = colony.id;

    const noVarroaRole = await prisma.role.create({
      data: {
        key: `NO_VARROA_${Date.now()}`,
        name: 'Ohne Varroa',
        permissions: {
          create: [{ permission: { connect: { key: 'apiaries:read' } } }],
        },
      },
    });
    noVarroaRoleId = noVarroaRole.id;
    const noVarroaEmail = `varroa-e2e-novarroa-${Date.now()}@example.com`;
    const noVarroaUser = await prisma.user.create({
      data: {
        email: noVarroaEmail,
        passwordHash,
        name: 'Ohne Varroa',
        role: { connect: { id: noVarroaRoleId } },
      },
    });
    noVarroaUserId = noVarroaUser.id;
    noVarroaToken = (await login(app, noVarroaEmail, password)).accessToken;
  });

  afterAll(async () => {
    const measurementIds = (
      await prisma.varroaMeasurement.findMany({
        where: { colonyId },
        select: { id: true },
      })
    ).map((measurement) => measurement.id);
    // Deliveries go with their event (ON DELETE CASCADE).
    await prisma.domainEvent.deleteMany({
      where: {
        aggregateType: 'VarroaMeasurement',
        aggregateId: { in: measurementIds },
      },
    });
    await prisma.varroaMeasurement.deleteMany({ where: { colonyId } });
    await prisma.colony.deleteMany({ where: { id: colonyId } });
    await prisma.apiary.deleteMany({ where: { id: apiaryId } });
    await prisma.refreshToken.deleteMany({
      where: { userId: { in: [beekeeperId, staffId, noVarroaUserId] } },
    });
    await prisma.auditLog.deleteMany({
      where: { userId: { in: [beekeeperId, staffId, noVarroaUserId] } },
    });
    await prisma.user.deleteMany({
      where: { id: { in: [beekeeperId, staffId, noVarroaUserId] } },
    });
    await prisma.role.deleteMany({ where: { id: noVarroaRoleId } });
    await app.close();
  });

  it('rejects create for a STAFF user', () => {
    return request(app.getHttpServer())
      .post('/api/v1/varroa-measurements')
      .set('Authorization', `Bearer ${staffToken}`)
      .send({
        colonyId,
        date: new Date().toISOString(),
        method: 'NATURAL_MITE_FALL',
      })
      .expect(403);
  });

  it('lets a BEEKEEPER user record a measurement', async () => {
    const response = await request(app.getHttpServer())
      .post('/api/v1/varroa-measurements')
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({
        colonyId,
        date: new Date().toISOString(),
        method: 'NATURAL_MITE_FALL',
        miteCount: 12,
        durationMinutes: 4320,
      })
      .expect(201);
    const created = response.body as VarroaMeasurementBody;
    measurementId = created.id;
    expect(measurementId).toEqual(expect.any(String));
    expect(created.calculatedValue).toBe(4);

    // Committed with the measurement and its audit entry; the threshold
    // rule and the varroa.measured webhook follow from the event.
    await expect(
      prisma.auditLog.count({
        where: {
          entityType: 'VarroaMeasurement',
          entityId: measurementId,
          action: 'CREATE',
          userId: beekeeperId,
        },
      }),
    ).resolves.toBe(1);
    const events = await prisma.domainEvent.findMany({
      where: { aggregateType: 'VarroaMeasurement', aggregateId: measurementId },
    });
    expect(events).toEqual([
      expect.objectContaining({
        type: 'VarroaMeasured',
        actorUserId: beekeeperId,
        payload: { colonyId },
        status: 'PENDING',
      }),
    ]);
  });

  it('recomputes mites/day when the count is corrected', async () => {
    // The edit dialog sends the whole form, the stored rate included.
    const response = await request(app.getHttpServer())
      .patch(`/api/v1/varroa-measurements/${measurementId}`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({
        colonyId,
        date: new Date().toISOString(),
        method: 'NATURAL_MITE_FALL',
        miteCount: 30,
        durationMinutes: 4320,
        calculatedValue: 4,
      })
      .expect(200);
    expect((response.body as VarroaMeasurementBody).calculatedValue).toBe(10);

    // A corrected count can cross the threshold: the rule re-evaluates it
    // from VarroaCorrected.
    await expect(
      prisma.auditLog.count({
        where: {
          entityType: 'VarroaMeasurement',
          entityId: measurementId,
          action: 'UPDATE',
          userId: beekeeperId,
        },
      }),
    ).resolves.toBe(1);
    await expect(
      prisma.domainEvent.findFirst({
        where: { aggregateId: measurementId, type: 'VarroaCorrected' },
      }),
    ).resolves.toMatchObject({
      aggregateType: 'VarroaMeasurement',
      actorUserId: beekeeperId,
      payload: { colonyId },
    });
  });

  it('lists measurements for the colony', async () => {
    const response = await request(app.getHttpServer())
      .get(`/api/v1/colonies/${colonyId}/varroa-measurements`)
      .set('Authorization', `Bearer ${staffToken}`)
      .expect(200);
    const measurements = response.body as VarroaMeasurementBody[];
    expect(measurements.some((entry) => entry.id === measurementId)).toBe(true);
  });

  describe('GET /varroa-measurements/thresholds', () => {
    const thresholdsBody = (token: string, query = '') =>
      request(app.getHttpServer())
        .get(`/api/v1/varroa-measurements/thresholds${query}`)
        .set('Authorization', `Bearer ${token}`);

    it('returns the bands shape and is not shadowed by :id', async () => {
      const response = await thresholdsBody(staffToken).expect(200);

      const body = response.body as { day: string; active: boolean };
      expect(Object.keys(body).sort()).toEqual(
        ['active', 'bands', 'day', 'postTreatmentUntil'].sort(),
      );
      expect(typeof body.active).toBe('boolean');
    });

    // The shared rule is never written here (parallel e2e workers); the
    // inactive / custom value cases are covered by the unit specs.

    it('rejects a role without any varroa permission', () =>
      thresholdsBody(noVarroaToken).expect(403));
  });

  describe('POST /varroa-measurements/bulk', () => {
    const suffix = Date.now();
    const shared = {
      date: '2026-09-10',
      method: 'NATURAL_MITE_FALL',
      durationMinutes: 4320,
      notes: 'Windel nach Ameisensäure',
    };
    let bulkColonyIds: string[];
    let endedColonyId: string;

    const postBulk = (token: string, body: object) =>
      request(app.getHttpServer())
        .post('/api/v1/varroa-measurements/bulk')
        .set('Authorization', `Bearer ${token}`)
        .send(body);

    const storedMeasurements = () =>
      prisma.varroaMeasurement.count({
        where: { colonyId: { in: [...bulkColonyIds, endedColonyId] } },
      });

    beforeAll(async () => {
      const colonyAt = async (
        code: string,
        status: 'ACTIVE' | 'MERGED' = 'ACTIVE',
      ) =>
        (
          await prisma.colony.create({
            data: {
              code: `${code}-${suffix}`,
              apiaryId,
              colonyType: 'PRODUCTION_COLONY',
              status,
            },
          })
        ).id;
      bulkColonyIds = [await colonyAt('VB-1'), await colonyAt('VB-2')];
      endedColonyId = await colonyAt('VB-X', 'MERGED');
    });

    afterAll(async () => {
      const colonyIds = [...bulkColonyIds, endedColonyId];
      const measurementIds = (
        await prisma.varroaMeasurement.findMany({
          where: { colonyId: { in: colonyIds } },
          select: { id: true },
        })
      ).map((measurement) => measurement.id);
      await prisma.domainEvent.deleteMany({
        where: {
          aggregateType: 'VarroaMeasurement',
          aggregateId: { in: measurementIds },
        },
      });
      await prisma.varroaMeasurement.deleteMany({
        where: { colonyId: { in: colonyIds } },
      });
      await prisma.colony.deleteMany({ where: { id: { in: colonyIds } } });
    });

    it('bulk derives mites per day per entry', async () => {
      const response = await postBulk(beekeeperToken, {
        ...shared,
        entries: [
          { colonyId: bulkColonyIds[0], miteCount: 30, assessment: 'hoch' },
          { colonyId: bulkColonyIds[1], miteCount: 6 },
        ],
      }).expect(201);

      const { bulkId, records } = response.body as BulkVarroaBody;
      expect(
        records.map((record) => ({
          colonyId: record.colonyId,
          miteCount: record.miteCount,
          durationMinutes: record.durationMinutes,
          calculatedValue: record.calculatedValue,
          assessment: record.assessment,
        })),
      ).toEqual([
        {
          colonyId: bulkColonyIds[0],
          miteCount: 30,
          durationMinutes: 4320,
          calculatedValue: 10,
          assessment: 'hoch',
        },
        {
          colonyId: bulkColonyIds[1],
          miteCount: 6,
          durationMinutes: 4320,
          calculatedValue: 2,
          assessment: null,
        },
      ]);
      expect(
        await prisma.domainEvent.count({
          where: {
            type: 'VarroaMeasured',
            payload: { path: ['bulkId'], equals: bulkId },
          },
        }),
      ).toBe(2);
      expect(
        await prisma.auditLog.count({
          where: {
            entityType: 'VarroaMeasurement',
            action: 'CREATE',
            userId: beekeeperId,
            entityId: { in: records.map((record) => record.id) },
          },
        }),
      ).toBe(2);
    });

    it('bulk rejects duplicate colonyId in entries', async () => {
      const before = await storedMeasurements();

      const response = await postBulk(beekeeperToken, {
        ...shared,
        entries: [
          { colonyId: bulkColonyIds[0], miteCount: 3 },
          { colonyId: bulkColonyIds[0], miteCount: 4 },
        ],
      }).expect(400);

      expect(JSON.stringify(response.body)).toContain(
        'entries enthält ein Volk doppelt',
      );
      expect(await storedMeasurements()).toBe(before);
    });

    it('bulk rejects the whole batch when one colony has ended and names it', async () => {
      const before = await storedMeasurements();

      const response = await postBulk(beekeeperToken, {
        ...shared,
        entries: [
          { colonyId: bulkColonyIds[0], miteCount: 3 },
          { colonyId: endedColonyId, miteCount: 4 },
        ],
      }).expect(400);

      expect(
        (response.body as { invalidColonyIds: string[] }).invalidColonyIds,
      ).toEqual([endedColonyId]);
      expect(await storedMeasurements()).toBe(before);
    });

    it.each([
      ['no entry', {}, () => []],
      [
        'a shared mite count instead of one per entry',
        { miteCount: 5 },
        () => [{ colonyId: bulkColonyIds[0] }],
      ],
      [
        'an invalid entry',
        {},
        () => [{ colonyId: bulkColonyIds[0], miteCount: -1 }],
      ],
    ])('bulk rejects %s', (_label, extra: object, entries: () => object[]) =>
      postBulk(beekeeperToken, {
        ...shared,
        ...extra,
        entries: entries(),
      }).expect(400),
    );

    it('bulk rejects an empty colonyId in entries as invalid input, not as an unknown colony', async () => {
      const response = await postBulk(beekeeperToken, {
        ...shared,
        entries: [
          { colonyId: bulkColonyIds[0], miteCount: 3 },
          { colonyId: '', miteCount: 4 },
        ],
      }).expect(400);

      expect(JSON.stringify(response.body)).toContain(
        'entries.1.colonyId enthält eine leere Volk-ID',
      );
      expect(response.body).not.toHaveProperty('invalidColonyIds');
    });

    it('bulk rejects a role without varroa:create', () =>
      postBulk(staffToken, {
        ...shared,
        entries: [{ colonyId: bulkColonyIds[0], miteCount: 1 }],
      }).expect(403));
  });
});