import { NotFoundException } from '@nestjs/common';
import { ApiaryFieldService } from './apiary-field.service';
import { PrismaService } from '../prisma/prisma.service';
import { PermissionResolverService } from '../auth/permissions/permission-resolver.service';
import type { ColonyNextSteps } from '../autopilot/next-step-ranking';
import { NextStepsService } from '../autopilot/next-steps.service';
import { HiveService } from '../hive/hive.service';
import { HiveCatalogService } from '../hive/hive-catalog.service';

describe('ApiaryFieldService', () => {
  let service: ApiaryFieldService;
  let prisma: {
    apiary: { findUnique: jest.Mock };
    colony: { findMany: jest.Mock };
    inspection: { groupBy: jest.Mock; findMany: jest.Mock };
    $queryRaw: jest.Mock;
    queen: { findMany: jest.Mock };
    task: { findMany: jest.Mock };
  };
  let permissionResolver: { getPermissions: jest.Mock };
  let nextSteps: { forColonies: jest.Mock; warningCounts: jest.Mock };
  let hives: { getMany: jest.Mock };
  let hiveCatalogs: { listSystems: jest.Mock };

  const stepsOf = (
    colonyId: string,
    overrides: Partial<ColonyNextSteps> = {},
  ): ColonyNextSteps => ({
    colonyId,
    segment: 'SCHWARMZEIT',
    phase: null,
    phaseSource: null,
    inspectionDueOn: null,
    withdrawalUntil: null,
    steps: [],
    ...overrides,
  });

  const colonyRow = (id: string, code: string, queenId: string | null) => ({
    id,
    code,
    apiaryId: 'apiary-1',
    status: 'ACTIVE',
    colonyType: 'PRODUCTION_COLONY',
    hiveType: null,
    strength: 5,
    occupiedFrames: 12,
    broodStatus: null,
    feedStatus: null,
    healthStatus: null,
    currentQueenId: queenId,
    notes: null,
  });

  const grant = (...keys: string[]) =>
    permissionResolver.getPermissions.mockResolvedValue(new Set(keys));

  beforeEach(() => {
    prisma = {
      apiary: {
        findUnique: jest.fn().mockResolvedValue({
          id: 'apiary-1',
          name: 'Heimstand',
          location: 'Garten',
          status: 'ACTIVE',
        }),
      },
      colony: {
        findMany: jest
          .fn()
          .mockResolvedValue([
            colonyRow('c10', 'V-10', 'q1'),
            colonyRow('c2', 'V-2', null),
          ]),
      },
      inspection: {
        groupBy: jest.fn().mockResolvedValue([]),
        findMany: jest.fn().mockResolvedValue([]),
      },
      $queryRaw: jest.fn().mockResolvedValue([]),
      queen: { findMany: jest.fn().mockResolvedValue([]) },
      task: { findMany: jest.fn().mockResolvedValue([]) },
    };
    permissionResolver = { getPermissions: jest.fn() };
    nextSteps = {
      forColonies: jest.fn().mockResolvedValue(
        new Map([
          ['c10', stepsOf('c10')],
          ['c2', stepsOf('c2')],
        ]),
      ),
      warningCounts: jest.fn().mockResolvedValue(new Map()),
    };
    hives = { getMany: jest.fn().mockResolvedValue({}) };
    hiveCatalogs = { listSystems: jest.fn().mockResolvedValue([]) };
    service = new ApiaryFieldService(
      prisma as unknown as PrismaService,
      permissionResolver as unknown as PermissionResolverService,
      nextSteps as unknown as NextStepsService,
      hives as unknown as HiveService,
      hiveCatalogs as unknown as HiveCatalogService,
    );
  });

  it('throws NotFoundException for an unknown apiary', async () => {
    grant('colonies:read');
    prisma.apiary.findUnique.mockResolvedValue(null);
    await expect(service.colonyOverview('x', 'u1')).rejects.toBeInstanceOf(
      NotFoundException,
    );
  });

  it('sorts living colonies by code with numeric collation', async () => {
    grant('colonies:read');
    const overview = await service.colonyOverview('apiary-1', 'u1');
    expect(overview.rows.map((row) => row.code)).toEqual(['V-2', 'V-10']);
    expect(prisma.colony.findMany).toHaveBeenCalledWith(
      expect.objectContaining({
        where: expect.objectContaining({ apiaryId: 'apiary-1' }) as unknown,
      }),
    );
  });

  it('leaves out inspections, queens and tasks without their read permission', async () => {
    grant('colonies:read');
    const pack = await service.offlinePack('apiary-1', 'u1');
    expect(pack.inspections).toBeNull();
    expect(pack.queens).toBeNull();
    expect(pack.tasks).toBeNull();
    expect(pack.overview.inspectionsVisible).toBe(false);
    expect(pack.overview.rows.every((r) => r.lastInspectionDate === null)).toBe(
      true,
    );
    expect(prisma.inspection.groupBy).not.toHaveBeenCalled();
    expect(prisma.inspection.findMany).not.toHaveBeenCalled();
    expect(prisma.queen.findMany).not.toHaveBeenCalled();
    expect(prisma.task.findMany).not.toHaveBeenCalled();
  });

  it('carries the hives of the apiary colonies and the hive catalog', async () => {
    grant('colonies:read');
    const view = { colonyId: 'c2', systemId: 's1', version: 3 };
    hives.getMany.mockResolvedValue({ c2: view });
    const systems = [{ id: 's1', name: 'Zander', active: true, partTypes: [] }];
    hiveCatalogs.listSystems.mockResolvedValue(systems);

    const pack = await service.offlinePack('apiary-1', 'u1');

    expect(hives.getMany).toHaveBeenCalledWith(['c2', 'c10']);
    expect(pack.hives).toEqual({ c2: view });
    expect(pack.hiveCatalog).toEqual(systems);
  });

  it('limits the hive catalog to active systems and those the hives use', async () => {
    grant('colonies:read');
    hives.getMany.mockResolvedValue({ c2: { colonyId: 'c2', systemId: 's2' } });
    hiveCatalogs.listSystems.mockResolvedValue([
      { id: 's1', active: true },
      { id: 's2', active: false },
      { id: 's3', active: false },
    ]);

    const pack = await service.offlinePack('apiary-1', 'u1');

    expect(pack.hiveCatalog?.map((system) => system.id)).toEqual(['s1', 's2']);
  });

  it('keeps colonies without a hive setup out of the hives', async () => {
    grant('colonies:read');
    const pack = await service.offlinePack('apiary-1', 'u1');
    expect(pack.hives).toEqual({});
  });

  it('fills the permitted sections and the last inspection date', async () => {
    grant('colonies:read', 'inspections:read', 'queens:read', 'tasks:read');
    const date = new Date('2026-05-01T10:00:00.000Z');
    prisma.inspection.groupBy.mockResolvedValue([
      { colonyId: 'c2', _max: { date } },
    ]);
    prisma.queen.findMany.mockResolvedValue([{ id: 'q1', code: 'K-1' }]);
    prisma.task.findMany.mockResolvedValue([{ id: 't1', title: 'Futter' }]);

    const pack = await service.offlinePack('apiary-1', 'u1');

    expect(pack.overview.inspectionsVisible).toBe(true);
    expect(pack.overview.rows[0].lastInspectionDate).toBe(date.toISOString());
    expect(pack.overview.rows[1].lastInspectionDate).toBeNull();
    expect(pack.queens).toEqual([{ id: 'q1', code: 'K-1' }]);
    expect(prisma.queen.findMany).toHaveBeenCalledWith(
      expect.objectContaining({ where: { id: { in: ['q1'] } } }),
    );
    expect(pack.tasks).toEqual([{ id: 't1', title: 'Futter' }]);
    expect(prisma.task.findMany).toHaveBeenCalledWith(
      expect.objectContaining({
        where: {
          status: { in: ['OPEN', 'IN_PROGRESS'] },
          OR: [
            { relatedType: 'APIARY', relatedId: 'apiary-1' },
            { relatedType: 'COLONY', relatedId: { in: ['c2', 'c10'] } },
          ],
        },
      }),
    );
  });

  it('keeps at most three inspections per colony, newest first', async () => {
    grant('colonies:read', 'inspections:read');
    prisma.inspection.findMany.mockResolvedValue([{ id: 'i1' }]);

    const pack = await service.offlinePack('apiary-1', 'u1');

    expect(prisma.inspection.findMany).toHaveBeenCalledTimes(2);
    expect(prisma.inspection.findMany).toHaveBeenCalledWith({
      where: { colonyId: 'c2' },
      take: 3,
      orderBy: [{ date: 'desc' }, { createdAt: 'desc' }],
      omit: { userId: true },
    });
    expect(pack.inspections).toHaveLength(2);
  });

  it('never returns coordinates, address, apiary notes or inspection userId', async () => {
    grant('colonies:read', 'inspections:read');
    const pack = await service.offlinePack('apiary-1', 'u1');

    expect(Object.keys(pack.apiary).sort()).toEqual([
      'id',
      'location',
      'name',
      'status',
    ]);
    const apiarySelect = (
      prisma.apiary.findUnique.mock.calls[0] as [{ select: object }]
    )[0].select;
    expect(apiarySelect).not.toHaveProperty('latitude');
    expect(apiarySelect).not.toHaveProperty('longitude');
    expect(apiarySelect).not.toHaveProperty('address');
    expect(apiarySelect).not.toHaveProperty('notes');
    const inspectionArgs = (
      prisma.inspection.findMany.mock.calls[0] as [{ omit: object }]
    )[0];
    expect(inspectionArgs.omit).toEqual({ userId: true });
  });

  it('takes the warning counts from the open suggestions the caller may see', async () => {
    grant('colonies:read', 'tasks:read');
    nextSteps.warningCounts.mockResolvedValue(
      new Map([['c2', { warnings: 2, critical: 1 }]]),
    );

    const overview = await service.colonyOverview('apiary-1', 'u1');

    expect(nextSteps.warningCounts).toHaveBeenCalledWith(
      ['c2', 'c10'],
      'u1',
      new Set(['colonies:read', 'tasks:read']),
    );
    expect(overview.rows[0]).toMatchObject({
      code: 'V-2',
      openWarnings: 2,
      openCritical: 1,
    });
    expect(overview.rows[1]).toMatchObject({
      openWarnings: 0,
      openCritical: 0,
    });
    expect(prisma.$queryRaw).not.toHaveBeenCalled();
  });

  it('carries inspectionDueOn, segment and the title of the first next step', async () => {
    grant('colonies:read', 'tasks:read');
    nextSteps.forColonies.mockResolvedValue(
      new Map([
        [
          'c2',
          stepsOf('c2', {
            segment: 'SOMMER',
            inspectionDueOn: '2026-05-10',
            steps: [
              {
                key: 'suggestion:s1',
                kind: 'SUGGESTION',
                intent: 'INSPECT',
                title: 'Durchsicht mit Schwarmkontrolle',
                reasons: [],
                suggestionIds: ['s1'],
                dueOn: '2026-05-10',
                urgency: 'OVERDUE',
                action: { type: 'ACCEPT', suggestionId: 's1' },
                dismissible: false,
              },
            ],
          }),
        ],
        ['c10', stepsOf('c10', { segment: 'WINTERRUHE' })],
      ]),
    );

    const overview = await service.colonyOverview('apiary-1', 'u1');

    expect(overview.rows[0]).toMatchObject({
      inspectionDueOn: '2026-05-10',
      segment: 'SOMMER',
      nextStepTitle: 'Durchsicht mit Schwarmkontrolle',
    });
    expect(overview.rows[1]).toMatchObject({
      inspectionDueOn: null,
      segment: 'WINTERRUHE',
      nextStepTitle: null,
    });
    expect(nextSteps.forColonies).toHaveBeenCalledTimes(1);
  });

  it('leaves the segment null when the colony has no season state', async () => {
    grant('colonies:read');
    nextSteps.forColonies.mockResolvedValue(new Map());

    const overview = await service.colonyOverview('apiary-1', 'u1');

    expect(overview.rows.every((row) => row.segment === null)).toBe(true);
  });

  it('adds the next steps per colony to the offline pack', async () => {
    grant('colonies:read');

    const pack = await service.offlinePack('apiary-1', 'u1');

    expect(pack.version).toBe(1);
    expect(pack.nextSteps).toEqual({ c2: [], c10: [] });
    expect(nextSteps.forColonies).toHaveBeenCalledTimes(1);
  });
});