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';
import { drainDomainEvents } from './utils/domain-events';

interface ColonyBody {
  id: string;
  code: string;
  apiaryId: string;
  status: string;
}

interface ColonyHistoryBody {
  apiaryHistory: unknown[];
  queenHistory: unknown[];
  lineageAsSource: unknown[];
  lineageAsResult: unknown[];
}

describe('Colonies (e2e)', () => {
  let app: INestApplication<App>;
  let prisma: PrismaService;
  const beekeeperEmail = `colonies-e2e-beekeeper-${Date.now()}@example.com`;
  const staffEmail = `colonies-e2e-staff-${Date.now()}@example.com`;
  const password = 'SuperSecret123!';
  let beekeeperId: string;
  let staffId: string;
  let beekeeperToken: string;
  let staffToken: string;
  let apiaryAId: string;
  let apiaryBId: string;
  let colonyId: string;
  let childColonyId: string;
  const splitColonyIds: string[] = [];
  let colonyToMergeId: string;
  let healthColonyId: string;
  let raceColonyId: 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 apiaryA = await prisma.apiary.create({
      data: { name: `Stand A ${Date.now()}` },
    });
    apiaryAId = apiaryA.id;
    const apiaryB = await prisma.apiary.create({
      data: { name: `Stand B ${Date.now()}` },
    });
    apiaryBId = apiaryB.id;
  });

  afterAll(async () => {
    const colonyIds = [
      colonyId,
      childColonyId,
      colonyToMergeId,
      healthColonyId,
      raceColonyId,
      ...splitColonyIds,
    ].filter(Boolean);
    // Rule tasks are written without a user - their audit entry and
    // TaskCreated are not covered by the userId cleanup below.
    const ruleTaskIds = (
      await prisma.task.findMany({
        where: { relatedId: { in: colonyIds } },
        select: { id: true },
      })
    ).map((task) => task.id);
    await prisma.auditLog.deleteMany({
      where: { entityType: 'Task', entityId: { in: ruleTaskIds } },
    });
    await prisma.domainEvent.deleteMany({
      where: {
        OR: [
          { aggregateType: 'Colony', aggregateId: { in: colonyIds } },
          { aggregateType: 'Task', aggregateId: { in: ruleTaskIds } },
        ],
      },
    });
    await prisma.task.deleteMany({ where: { id: { in: ruleTaskIds } } });
    await prisma.notification.deleteMany({
      where: { relatedId: { in: colonyIds } },
    });
    await prisma.colonyLineage.deleteMany({
      where: { OR: [{ fromColonyId: colonyId }, { toColonyId: colonyId }] },
    });
    await prisma.colonyApiaryHistory.deleteMany({ where: { colonyId } });
    await prisma.colony.deleteMany({
      where: {
        id: { in: colonyIds },
      },
    });
    await prisma.apiary.deleteMany({
      where: { id: { in: [apiaryAId, apiaryBId] } },
    });
    await prisma.refreshToken.deleteMany({
      where: { userId: { in: [beekeeperId, staffId] } },
    });
    await prisma.auditLog.deleteMany({
      where: { userId: { in: [beekeeperId, staffId] } },
    });
    await prisma.user.deleteMany({
      where: { id: { in: [beekeeperId, staffId] } },
    });
    await app.close();
  });

  it('rejects colony creation for STAFF', () => {
    return request(app.getHttpServer())
      .post('/api/v1/colonies')
      .set('Authorization', `Bearer ${staffToken}`)
      .send({
        code: `V-${Date.now()}`,
        apiaryId: apiaryAId,
        colonyType: 'PRODUCTION_COLONY',
      })
      .expect(403);
  });

  it('lets a BEEKEEPER create a colony', async () => {
    const response = await request(app.getHttpServer())
      .post('/api/v1/colonies')
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({
        code: `V-${Date.now()}`,
        apiaryId: apiaryAId,
        colonyType: 'PRODUCTION_COLONY',
      })
      .expect(201);
    const created = response.body as ColonyBody;
    expect(created.apiaryId).toBe(apiaryAId);
    colonyId = created.id;
  });

  it('moves the colony to another apiary and records history', async () => {
    const response = await request(app.getHttpServer())
      .post(`/api/v1/colonies/${colonyId}/move`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({ apiaryId: apiaryBId, notes: 'Umzug' })
      .expect(201);
    expect((response.body as ColonyBody).apiaryId).toBe(apiaryBId);

    const history = await request(app.getHttpServer())
      .get(`/api/v1/colonies/${colonyId}/history`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(200);
    expect((history.body as ColonyHistoryBody).apiaryHistory).toHaveLength(1);
  });

  it('splits the colony into a new nucleus colony', async () => {
    const response = await request(app.getHttpServer())
      .post(`/api/v1/colonies/${colonyId}/split`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({ code: `V-${Date.now()}-A`, colonyType: 'NUCLEUS_COLONY' })
      .expect(201);
    const child = response.body as ColonyBody;
    expect(child.apiaryId).toBe(apiaryBId);
    childColonyId = child.id;

    const history = await request(app.getHttpServer())
      .get(`/api/v1/colonies/${colonyId}/history`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(200);
    expect((history.body as ColonyHistoryBody).lineageAsSource).toHaveLength(1);
  });

  it('records ColonySplit with the given day and queen source, and refuses a future day', async () => {
    await request(app.getHttpServer())
      .post(`/api/v1/colonies/${colonyId}/split`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({
        code: `V-${Date.now()}-F`,
        colonyType: 'NUCLEUS_COLONY',
        date: '2999-01-01',
      })
      .expect(400);
    await request(app.getHttpServer())
      .post(`/api/v1/colonies/${colonyId}/split`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({
        code: `V-${Date.now()}-T`,
        colonyType: 'NUCLEUS_COLONY',
        date: '2026-05-05T23:30:00+02:00',
      })
      .expect(400);

    const response = await request(app.getHttpServer())
      .post(`/api/v1/colonies/${colonyId}/split`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({
        code: `V-${Date.now()}-B`,
        colonyType: 'NUCLEUS_COLONY',
        date: '2026-05-05',
        queenSource: 'QUEEN_CELL',
      })
      .expect(201);
    const splitId = (response.body as ColonyBody).id;
    splitColonyIds.push(splitId);

    const lineage = await prisma.colonyLineage.findFirstOrThrow({
      where: { toColonyId: splitId },
    });
    expect(lineage.queenSource).toBe('QUEEN_CELL');
    expect(lineage.date.toISOString().slice(0, 10)).toBe('2026-05-05');
    const event = await prisma.domainEvent.findFirstOrThrow({
      where: { type: 'ColonySplit', aggregateId: splitId },
    });
    expect(event.payload).toEqual({
      parentColonyId: colonyId,
      lineageId: lineage.id,
      queenSource: 'QUEEN_CELL',
      splitOn: '2026-05-05',
    });
  });

  it('merges another colony into the surviving one', async () => {
    const otherColony = await request(app.getHttpServer())
      .post('/api/v1/colonies')
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({
        code: `V-${Date.now()}-M`,
        apiaryId: apiaryBId,
        colonyType: 'PRODUCTION_COLONY',
      })
      .expect(201);
    colonyToMergeId = (otherColony.body as ColonyBody).id;

    await request(app.getHttpServer())
      .post(`/api/v1/colonies/${colonyId}/merge`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({ mergedColonyIds: [colonyToMergeId] })
      .expect(201);

    const merged = await request(app.getHttpServer())
      .get(`/api/v1/colonies/${colonyToMergeId}`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(200);
    expect((merged.body as ColonyBody).status).toBe('MERGED');

    const ended = await prisma.domainEvent.findMany({
      where: { type: 'ColonyEnded', aggregateId: colonyToMergeId },
    });
    expect(ended.map((event) => event.payload)).toEqual([{ status: 'MERGED' }]);
  });

  it('dissolves the colony without deleting it', async () => {
    const response = await request(app.getHttpServer())
      .post(`/api/v1/colonies/${colonyId}/dissolve`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(201);
    expect((response.body as ColonyBody).status).toBe('DISSOLVED');

    const events = await prisma.domainEvent.findMany({
      where: { aggregateId: colonyId },
      orderBy: { occurredAt: 'asc' },
    });
    expect(events.map((event) => event.type)).toEqual([
      'ColonyStatusChanged',
      'ColonyEnded',
    ]);
    expect(events[1].payload).toEqual({ status: 'DISSOLVED' });

    await request(app.getHttpServer())
      .get(`/api/v1/colonies/${colonyId}`)
      .set('Authorization', `Bearer ${staffToken}`)
      .expect(200);

    await request(app.getHttpServer())
      .post(`/api/v1/colonies/${colonyId}/move`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({ apiaryId: apiaryAId })
      .expect(409);
  });

  it('reactivates a dissolved colony, and rejects reactivating an already-active one', async () => {
    const response = await request(app.getHttpServer())
      .post(`/api/v1/colonies/${colonyId}/reactivate`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(201);
    expect((response.body as ColonyBody).status).toBe('ACTIVE');

    await request(app.getHttpServer())
      .post(`/api/v1/colonies/${colonyId}/reactivate`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(409);
  });

  it('rejects reactivating a weak colony, which never ended', async () => {
    await prisma.colony.update({
      where: { id: colonyId },
      data: { status: 'WEAK' },
    });

    await request(app.getHttpServer())
      .post(`/api/v1/colonies/${colonyId}/reactivate`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(409);

    const colony = await prisma.colony.findUniqueOrThrow({
      where: { id: colonyId },
    });
    expect(colony.status).toBe('WEAK');
  });

  it('creates the COLONY_HEALTH_CRITICAL task only after the event is processed, and only on the transition', async () => {
    const created = await request(app.getHttpServer())
      .post('/api/v1/colonies')
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({
        code: `V-${Date.now()}-H`,
        apiaryId: apiaryAId,
        colonyType: 'PRODUCTION_COLONY',
      })
      .expect(201);
    healthColonyId = (created.body as ColonyBody).id;

    await request(app.getHttpServer())
      .patch(`/api/v1/colonies/${healthColonyId}`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({ healthStatus: 'CRITICAL' })
      .expect(200);

    const event = await prisma.domainEvent.findFirstOrThrow({
      where: { type: 'ColonyStatusChanged', aggregateId: healthColonyId },
    });
    expect(event.payload).toEqual({
      from: { status: 'ACTIVE', healthStatus: null },
      to: { status: 'ACTIVE', healthStatus: 'CRITICAL' },
    });
    expect(
      await prisma.task.count({ where: { relatedId: healthColonyId } }),
    ).toBe(0);

    await drainDomainEvents(app, [healthColonyId]);
    expect(
      await prisma.task.count({ where: { relatedId: healthColonyId } }),
    ).toBe(1);

    // Already critical: a further edit is no transition and opens no second task.
    await request(app.getHttpServer())
      .patch(`/api/v1/colonies/${healthColonyId}`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({ notes: 'weiter kritisch' })
      .expect(200);
    await drainDomainEvents(app, [healthColonyId]);
    expect(
      await prisma.task.count({ where: { relatedId: healthColonyId } }),
    ).toBe(1);
  });

  it('two concurrent PATCHes into CRITICAL produce one transition event and one task', async () => {
    const created = await request(app.getHttpServer())
      .post('/api/v1/colonies')
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({
        code: `V-${Date.now()}-R`,
        apiaryId: apiaryAId,
        colonyType: 'PRODUCTION_COLONY',
      })
      .expect(201);
    raceColonyId = (created.body as ColonyBody).id;

    await Promise.all(
      [1, 2].map(() =>
        request(app.getHttpServer())
          .patch(`/api/v1/colonies/${raceColonyId}`)
          .set('Authorization', `Bearer ${beekeeperToken}`)
          .send({ healthStatus: 'CRITICAL' })
          .expect(200),
      ),
    );

    expect(
      await prisma.domainEvent.count({
        where: { type: 'ColonyStatusChanged', aggregateId: raceColonyId },
      }),
    ).toBe(1);
    await drainDomainEvents(app, [raceColonyId]);
    expect(
      await prisma.task.count({ where: { relatedId: raceColonyId } }),
    ).toBe(1);
  });
});