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 ApiaryBody {
  id: string;
  status: string;
  notes: string | null;
  publicLocationLabel: string | null;
}

describe('Apiaries (e2e)', () => {
  let app: INestApplication<App>;
  let prisma: PrismaService;
  const beekeeperEmail = `apiaries-e2e-beekeeper-${Date.now()}@example.com`;
  const readonlyEmail = `apiaries-e2e-readonly-${Date.now()}@example.com`;
  const password = 'SuperSecret123!';
  let beekeeperId: string;
  let readonlyId: string;
  let beekeeperToken: string;
  let readonlyToken: string;
  let apiaryId: string;
  const noColonyEmail = `apiaries-e2e-nocolony-${Date.now()}@example.com`;
  let noColonyRoleId: string;
  let noColonyUserId: string;
  let noColonyToken: string;
  let fieldApiaryId: string;

  // The ApiaryChanged codes of one apiary, oldest first.
  async function changesOf(id: string): Promise<string[]> {
    const events = await prisma.domainEvent.findMany({
      where: { type: 'ApiaryChanged', aggregateId: id },
      orderBy: { occurredAt: 'asc' },
    });
    return events.map((event) => (event.payload as { change: string }).change);
  }

  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 readonly = await prisma.user.create({
      data: {
        email: readonlyEmail,
        passwordHash,
        name: 'Readonly',
        role: { connect: { key: 'READONLY' } },
      },
    });
    readonlyId = readonly.id;

    beekeeperToken = (await login(app, beekeeperEmail, password)).accessToken;
    readonlyToken = (await login(app, readonlyEmail, password)).accessToken;

    const apiariesRead = await prisma.permission.findMany({
      where: { key: 'apiaries:read' },
    });
    const noColonyRole = await prisma.role.create({
      data: {
        key: `APIARIES_ONLY_${Date.now()}`,
        name: 'Nur Stände',
        permissions: {
          create: apiariesRead.map((permission) => ({
            permissionId: permission.id,
          })),
        },
      },
    });
    noColonyRoleId = noColonyRole.id;
    const noColonyUser = await prisma.user.create({
      data: {
        email: noColonyEmail,
        passwordHash,
        name: 'No colonies',
        roleId: noColonyRoleId,
      },
    });
    noColonyUserId = noColonyUser.id;
    noColonyToken = (await login(app, noColonyEmail, password)).accessToken;
  });

  afterAll(async () => {
    await prisma.domainEvent.deleteMany({
      where: {
        aggregateType: 'Apiary',
        aggregateId: { in: [apiaryId, fieldApiaryId].filter(Boolean) },
      },
    });
    if (fieldApiaryId) {
      await prisma.task.deleteMany({
        where: { title: { startsWith: 'field-e2e-' } },
      });
      await prisma.suggestion.deleteMany({
        where: { colony: { apiaryId: fieldApiaryId } },
      });
      await prisma.hiveSetup.deleteMany({
        where: { colony: { apiaryId: fieldApiaryId } },
      });
      await prisma.colony.deleteMany({ where: { apiaryId: fieldApiaryId } });
      await prisma.apiary.delete({ where: { id: fieldApiaryId } });
    }
    await prisma.refreshToken.deleteMany({ where: { userId: noColonyUserId } });
    await prisma.user.delete({ where: { id: noColonyUserId } });
    await prisma.role.delete({ where: { id: noColonyRoleId } });
    if (apiaryId) {
      await prisma.apiary.delete({ where: { id: apiaryId } });
    }
    await prisma.refreshToken.deleteMany({
      where: { userId: { in: [beekeeperId, readonlyId] } },
    });
    await prisma.auditLog.deleteMany({
      where: { userId: { in: [beekeeperId, readonlyId] } },
    });
    await prisma.user.deleteMany({
      where: { id: { in: [beekeeperId, readonlyId] } },
    });
    await app.close();
  });

  it('rejects create for a READONLY user', () => {
    return request(app.getHttpServer())
      .post('/api/v1/apiaries')
      .set('Authorization', `Bearer ${readonlyToken}`)
      .send({ name: 'Sollte nicht klappen' })
      .expect(403);
  });

  it('lets a BEEKEEPER create an apiary', async () => {
    const response = await request(app.getHttpServer())
      .post('/api/v1/apiaries')
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({ name: 'Heimstand', location: 'Garten' })
      .expect(201);

    const created = response.body as ApiaryBody;
    expect(created.id).toEqual(expect.any(String));
    apiaryId = created.id;
  });

  it('lets a READONLY user list and read apiaries', async () => {
    const list = await request(app.getHttpServer())
      .get('/api/v1/apiaries')
      .set('Authorization', `Bearer ${readonlyToken}`)
      .expect(200);
    const apiaries = list.body as ApiaryBody[];
    expect(apiaries.some((apiary) => apiary.id === apiaryId)).toBe(true);

    await request(app.getHttpServer())
      .get(`/api/v1/apiaries/${apiaryId}`)
      .set('Authorization', `Bearer ${readonlyToken}`)
      .expect(200);
  });

  it('lets a BEEKEEPER update and deactivate an apiary', async () => {
    const updated = await request(app.getHttpServer())
      .patch(`/api/v1/apiaries/${apiaryId}`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({ notes: 'aktualisiert' })
      .expect(200);
    expect((updated.body as ApiaryBody).notes).toBe('aktualisiert');
    expect(await changesOf(apiaryId)).toEqual(['CREATED']);

    const deactivated = await request(app.getHttpServer())
      .post(`/api/v1/apiaries/${apiaryId}/deactivate`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(201);
    expect((deactivated.body as ApiaryBody).status).toBe('INACTIVE');

    const reactivated = await request(app.getHttpServer())
      .post(`/api/v1/apiaries/${apiaryId}/reactivate`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .expect(201);
    expect((reactivated.body as ApiaryBody).status).toBe('ACTIVE');
    expect(await changesOf(apiaryId)).toEqual([
      'CREATED',
      'DEACTIVATED',
      'REACTIVATED',
    ]);

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

  it('updating only the name of an apiary leaves no ApiaryChanged', async () => {
    const before = await changesOf(apiaryId);
    await request(app.getHttpServer())
      .patch(`/api/v1/apiaries/${apiaryId}`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({ name: 'Heimstand umbenannt' })
      .expect(200);
    expect(await changesOf(apiaryId)).toEqual(before);

    await request(app.getHttpServer())
      .patch(`/api/v1/apiaries/${apiaryId}`)
      .set('Authorization', `Bearer ${beekeeperToken}`)
      .send({ address: 'Neuer Weg 3' })
      .expect(200);
    expect(await changesOf(apiaryId)).toEqual([...before, 'LOCATION_CHANGED']);
  });

  it('lets publicLocationLabel be set, changed and cleared with null', async () => {
    const patch = (body: object) =>
      request(app.getHttpServer())
        .patch(`/api/v1/apiaries/${apiaryId}`)
        .set('Authorization', `Bearer ${beekeeperToken}`)
        .send(body);

    const set = await patch({ publicLocationLabel: 'Nordhessen' }).expect(200);
    expect((set.body as ApiaryBody).publicLocationLabel).toBe('Nordhessen');
    const changed = await patch({ publicLocationLabel: 'Südhessen' }).expect(
      200,
    );
    expect((changed.body as ApiaryBody).publicLocationLabel).toBe('Südhessen');
    const cleared = await patch({ publicLocationLabel: null }).expect(200);
    expect((cleared.body as ApiaryBody).publicLocationLabel).toBeNull();
    await patch({ publicLocationLabel: 'x'.repeat(101) }).expect(400);
  });

  it('refuses to deactivate an apiary that still holds a weak colony', async () => {
    const weakColony = await prisma.colony.create({
      data: {
        code: `W-${Date.now()}`,
        apiaryId,
        colonyType: 'PRODUCTION_COLONY',
        status: 'WEAK',
      },
    });
    try {
      await request(app.getHttpServer())
        .post(`/api/v1/apiaries/${apiaryId}/deactivate`)
        .set('Authorization', `Bearer ${beekeeperToken}`)
        .expect(409);
    } finally {
      await prisma.colony.delete({ where: { id: weakColony.id } });
    }
  });

  describe('apiary field endpoints', () => {
    interface OverviewBody {
      apiaryId: string;
      rows: {
        code: string;
        inspectionDueOn: string | null;
        segment: string;
        nextStepTitle: string | null;
        openWarnings: number;
        openCritical: number;
      }[];
    }
    interface PackBody {
      version: number;
      apiary: Record<string, unknown>;
      tasks: { title: string }[] | null;
    }
    const codeSuffix = /-\d+$/;

    beforeAll(async () => {
      const apiary = await prisma.apiary.create({
        data: {
          name: 'Feldstand',
          location: 'Wiese',
          latitude: 48.1,
          longitude: 11.5,
          address: 'Geheimweg 1',
          notes: 'geheim',
        },
      });
      fieldApiaryId = apiary.id;
      const suffix = Date.now();
      const colonies = await Promise.all(
        (
          [
            ['V-10', 'ACTIVE'],
            ['V-2', 'WEAK'],
            ['V-3', 'DISSOLVED'],
          ] as const
        ).map(([code, status]) =>
          prisma.colony.create({
            data: {
              code: `${code}-${suffix}`,
              apiaryId: apiary.id,
              colonyType: 'PRODUCTION_COLONY',
              status,
            },
          }),
        ),
      );
      await prisma.task.createMany({
        data: [
          {
            title: 'field-e2e-apiary',
            relatedType: 'APIARY',
            relatedId: apiary.id,
          },
          {
            title: 'field-e2e-colony',
            relatedType: 'COLONY',
            relatedId: colonies[0].id,
          },
          {
            title: 'field-e2e-done',
            relatedType: 'COLONY',
            relatedId: colonies[0].id,
            status: 'DONE',
          },
        ],
      });
    });

    it('colony-overview lists living colonies only, sorted by code', async () => {
      const response = await request(app.getHttpServer())
        .get(`/api/v1/apiaries/${fieldApiaryId}/colony-overview`)
        .set('Authorization', `Bearer ${beekeeperToken}`)
        .expect(200);
      const body = response.body as OverviewBody;
      expect(body.apiaryId).toBe(fieldApiaryId);
      expect(body.rows.map((row) => row.code.replace(codeSuffix, ''))).toEqual([
        'V-2',
        'V-10',
      ]);
    });

    it('colony-overview carries inspectionDueOn, segment and nextStepTitle; warnings come from suggestions', async () => {
      const permissions = [
        'colonies:read',
        'tasks:read',
        'inspections:read',
        'varroa:read',
      ];
      const role = await prisma.role.create({
        data: {
          key: `FIELD_OVERVIEW_${Date.now()}`,
          name: 'Feld-Übersicht',
          permissions: {
            create: permissions.map((key) => ({
              permission: { connect: { key } },
            })),
          },
        },
      });
      const email = `apiaries-e2e-overview-${Date.now()}@example.com`;
      const user = await prisma.user.create({
        data: {
          email,
          passwordHash: await bcrypt.hash(password, 12),
          name: 'Overview',
          roleId: role.id,
        },
      });
      const colony = await prisma.colony.findFirstOrThrow({
        where: { apiaryId: fieldApiaryId, code: { startsWith: 'V-10-' } },
      });
      const base = {
        ruleKey: 'VARROA_THRESHOLD' as const,
        source: 'RULE' as const,
        mode: 'PLAN' as const,
        intent: 'VARROA_TREAT' as const,
        relatedType: 'COLONY' as const,
        relatedId: colony.id,
        colonyId: colony.id,
        reasonCode: 'FIELD_E2E',
        evidence: { colonyId: colony.id },
      };
      try {
        await prisma.suggestion.createMany({
          data: [
            { ...base, priority: 'HIGH', requiredPermission: 'varroa:read' },
            {
              ...base,
              intent: 'HONEY_SUPER',
              priority: 'URGENT',
              requiredPermission: 'inspections:read',
            },
            {
              ...base,
              intent: 'FEED',
              priority: 'URGENT',
              requiredPermission: 'feedings:read',
            },
            { ...base, intent: 'INSPECT', priority: 'NORMAL' },
          ],
        });
        const token = (await login(app, email, password)).accessToken;

        const response = await request(app.getHttpServer())
          .get(`/api/v1/apiaries/${fieldApiaryId}/colony-overview`)
          .set('Authorization', `Bearer ${token}`)
          .expect(200);

        const rows = (response.body as OverviewBody).rows;
        const row = rows.find((item) => item.code.startsWith('V-10-'));
        // HIGH (varroa:read) and URGENT (inspections:read) are visible, the
        // URGENT one that needs feedings:read is not.
        expect(row).toMatchObject({ openWarnings: 1, openCritical: 1 });
        expect(row?.nextStepTitle).toEqual(expect.any(String));
        expect(row?.segment).toEqual(expect.any(String));
        expect(row).toHaveProperty('inspectionDueOn');
        if (row?.segment === 'WINTERRUHE') {
          expect(row.inspectionDueOn).toBeNull();
        } else {
          expect(row?.inspectionDueOn).toMatch(/^\d{4}-\d{2}-\d{2}$/);
        }
        const quiet = rows.find((item) => item.code.startsWith('V-2-'));
        expect(quiet).toMatchObject({
          openWarnings: 0,
          openCritical: 0,
          nextStepTitle: null,
        });

        const pack = await request(app.getHttpServer())
          .get(`/api/v1/apiaries/${fieldApiaryId}/offline-pack`)
          .set('Authorization', `Bearer ${token}`)
          .expect(200);
        const steps = (pack.body as { nextSteps?: Record<string, unknown[]> })
          .nextSteps;
        expect(steps?.[colony.id]?.length).toBeGreaterThan(0);
        expect(steps?.[colony.id]?.length).toBeLessThanOrEqual(3);
      } finally {
        await prisma.suggestion.deleteMany({ where: { colonyId: colony.id } });
        await prisma.refreshToken.deleteMany({ where: { userId: user.id } });
        await prisma.user.delete({ where: { id: user.id } });
        await prisma.role.delete({ where: { id: role.id } });
      }
    });

    it('offline-pack contains the open tasks of the apiary and its colonies', async () => {
      const response = await request(app.getHttpServer())
        .get(`/api/v1/apiaries/${fieldApiaryId}/offline-pack`)
        .set('Authorization', `Bearer ${beekeeperToken}`)
        .expect(200);
      const body = response.body as PackBody;
      expect(body.version).toBe(1);
      expect(body.tasks?.map((task) => task.title).sort()).toEqual([
        'field-e2e-apiary',
        'field-e2e-colony',
      ]);
      expect(Object.keys(body.apiary).sort()).toEqual([
        'id',
        'location',
        'name',
        'status',
      ]);
    });

    it('offline-pack carries the hives of the apiary colonies and the hive catalog', async () => {
      const [withHive, withoutHive] = await Promise.all([
        prisma.colony.findFirstOrThrow({
          where: { apiaryId: fieldApiaryId, code: { startsWith: 'V-10-' } },
        }),
        prisma.colony.findFirstOrThrow({
          where: { apiaryId: fieldApiaryId, code: { startsWith: 'V-2-' } },
        }),
      ]);
      await prisma.hiveSetup.create({
        data: {
          colonyId: withHive.id,
          systemId: 'hive-system-zander-liebig-10',
          state: { schemaVersion: 1, stack: [] },
        },
      });
      const response = await request(app.getHttpServer())
        .get(`/api/v1/apiaries/${fieldApiaryId}/offline-pack`)
        .set('Authorization', `Bearer ${beekeeperToken}`)
        .expect(200);
      const body = response.body as {
        hives?: Record<string, { systemId: string; version: number }>;
        hiveCatalog?: { id: string; partTypes: unknown[] }[];
      };
      expect(Object.keys(body.hives ?? {})).toEqual([withHive.id]);
      expect(body.hives?.[withHive.id]).toMatchObject({
        systemId: 'hive-system-zander-liebig-10',
        version: 1,
      });
      expect(body.hives).not.toHaveProperty(withoutHive.id);
      const system = body.hiveCatalog?.find(
        (candidate) => candidate.id === 'hive-system-zander-liebig-10',
      );
      expect(system?.partTypes.length).toBeGreaterThan(0);
    });

    it('rejects both endpoints without colonies:read', async () => {
      for (const path of ['colony-overview', 'offline-pack']) {
        await request(app.getHttpServer())
          .get(`/api/v1/apiaries/${fieldApiaryId}/${path}`)
          .set('Authorization', `Bearer ${noColonyToken}`)
          .expect(403);
      }
    });

    it('answers 404 for an unknown apiary', async () => {
      for (const path of ['colony-overview', 'offline-pack']) {
        await request(app.getHttpServer())
          .get(`/api/v1/apiaries/does-not-exist/${path}`)
          .set('Authorization', `Bearer ${beekeeperToken}`)
          .expect(404);
      }
    });
  });
});