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 AutomationRuleBody {
  id: string;
  triggerType: string;
  active: boolean;
  config: Record<string, unknown> | null;
  actionTemplate: string | null;
}

describe('Automation rules (e2e)', () => {
  let app: INestApplication<App>;
  let prisma: PrismaService;
  const adminEmail = `automation-e2e-admin-${Date.now()}@example.com`;
  const staffEmail = `automation-e2e-staff-${Date.now()}@example.com`;
  const password = 'SuperSecret123!';
  let adminId: string;
  let staffId: string;
  let adminToken: string;
  let staffToken: string;
  let apiaryId: string;
  let colonyId: string;
  let varroaRuleId: string;

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

    const passwordHash = await bcrypt.hash(password, 12);
    const admin = await prisma.user.create({
      data: {
        email: adminEmail,
        passwordHash,
        name: 'Automation E2E Admin',
        role: 'ADMIN',
      },
    });
    adminId = admin.id;
    const staff = await prisma.user.create({
      data: {
        email: staffEmail,
        passwordHash,
        name: 'Automation E2E Staff',
        role: 'STAFF',
      },
    });
    staffId = staff.id;
    adminToken = (await login(app, adminEmail, password)).accessToken;
    staffToken = (await login(app, staffEmail, password)).accessToken;

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

  afterAll(async () => {
    await prisma.automationRule.updateMany({
      where: { triggerType: 'VARROA_THRESHOLD' },
      data: { active: true },
    });
    await prisma.task.deleteMany({ where: { relatedId: colonyId } });
    await prisma.notification.deleteMany({ where: { relatedId: colonyId } });
    await prisma.varroaMeasurement.deleteMany({ where: { colonyId } });
    await prisma.inspection.deleteMany({ where: { colonyId } });
    await prisma.colony.deleteMany({ where: { id: colonyId } });
    await prisma.apiary.deleteMany({ where: { id: apiaryId } });
    await prisma.refreshToken.deleteMany({
      where: { userId: { in: [adminId, staffId] } },
    });
    await prisma.auditLog.deleteMany({
      where: { userId: { in: [adminId, staffId] } },
    });
    await prisma.user.deleteMany({ where: { id: { in: [adminId, staffId] } } });
    await app.close();
  });

  it('rejects a non-admin listing automation rules', () => {
    return request(app.getHttpServer())
      .get('/api/v1/automation-rules')
      .set('Authorization', `Bearer ${staffToken}`)
      .expect(403);
  });

  it('seeds the three fixed triggers for an admin', async () => {
    const response = await request(app.getHttpServer())
      .get('/api/v1/automation-rules')
      .set('Authorization', `Bearer ${adminToken}`)
      .expect(200);
    const rules = response.body as AutomationRuleBody[];
    const triggerTypes = rules.map((rule) => rule.triggerType).sort();
    expect(triggerTypes).toEqual([
      'FEED_STATUS_CRITICAL',
      'QUEENLESS_NO_EGGS',
      'VARROA_THRESHOLD',
    ]);
    const varroaRule = rules.find(
      (rule) => rule.triggerType === 'VARROA_THRESHOLD',
    );
    expect(varroaRule).toBeDefined();
    varroaRuleId = varroaRule!.id;
  });

  it('creates a task and notification when queen not seen and no eggs present', async () => {
    await request(app.getHttpServer())
      .post('/api/v1/inspections')
      .set('Authorization', `Bearer ${staffToken}`)
      .send({
        colonyId,
        date: new Date().toISOString(),
        queenSeen: false,
        eggsPresent: false,
      })
      .expect(201);

    const tasks = await prisma.task.findMany({
      where: { relatedId: colonyId },
    });
    expect(tasks).toHaveLength(1);
    expect(tasks[0].title).toContain('Kontrolle');

    const notifications = await prisma.notification.findMany({
      where: { relatedId: colonyId },
    });
    expect(notifications).toHaveLength(1);
  });

  it('does not trigger when the queen was seen', async () => {
    await request(app.getHttpServer())
      .post('/api/v1/inspections')
      .set('Authorization', `Bearer ${staffToken}`)
      .send({
        colonyId,
        date: new Date().toISOString(),
        queenSeen: true,
        eggsPresent: false,
      })
      .expect(201);

    const tasks = await prisma.task.findMany({
      where: { relatedId: colonyId },
    });
    expect(tasks).toHaveLength(1);
  });

  it('triggers a feeding task when feed status is kritisch', async () => {
    await request(app.getHttpServer())
      .post('/api/v1/inspections')
      .set('Authorization', `Bearer ${staffToken}`)
      .send({
        colonyId,
        date: new Date().toISOString(),
        feedStatus: 'kritisch',
      })
      .expect(201);

    const tasks = await prisma.task.findMany({
      where: { relatedId: colonyId },
    });
    expect(tasks).toHaveLength(2);
    expect(tasks.some((task) => task.title.includes('Fütterung'))).toBe(true);
  });

  it('triggers a treatment check when the varroa threshold is exceeded', async () => {
    await request(app.getHttpServer())
      .post('/api/v1/varroa-measurements')
      .set('Authorization', `Bearer ${adminToken}`)
      .send({
        colonyId,
        date: new Date().toISOString(),
        method: 'NATURAL_MITE_FALL',
        miteCount: 20,
      })
      .expect(201);

    const tasks = await prisma.task.findMany({
      where: { relatedId: colonyId },
    });
    expect(tasks).toHaveLength(3);
    expect(tasks.some((task) => task.title.includes('Behandlung'))).toBe(true);
  });

  it('lets an admin deactivate a rule, preventing further triggers', async () => {
    await request(app.getHttpServer())
      .patch(`/api/v1/automation-rules/${varroaRuleId}`)
      .set('Authorization', `Bearer ${adminToken}`)
      .send({ active: false })
      .expect(200);

    await request(app.getHttpServer())
      .post('/api/v1/varroa-measurements')
      .set('Authorization', `Bearer ${adminToken}`)
      .send({
        colonyId,
        date: new Date().toISOString(),
        method: 'NATURAL_MITE_FALL',
        miteCount: 30,
      })
      .expect(201);

    const tasks = await prisma.task.findMany({
      where: { relatedId: colonyId },
    });
    expect(tasks).toHaveLength(3);
  });
});