import { NotFoundException } from '@nestjs/common';
import { PrismaService } from '../../../src/prisma.service.js';

export interface E2ESeedFixtures {
  hospitalAId: number;
  hospitalBId: number;
  departmentA1Id: number;
  departmentA2Id: number;
  departmentB1Id: number;
  groupA1Id: number;
  groupA2Id: number;
  groupB1Id: number;
  users: {
    systemAdminId: number;
    hospitalAdminAId: number;
    directorAId: number;
    leaderAId: number;
    doctorAId: number;
    doctorA2Id: number;
    doctorA3Id: number;
    doctorBId: number;
    engineerAId: number;
    engineerBId: number;
  };
  patients: {
    patientA1Id: number;
    patientA2Id: number;
    patientA3Id: number;
    patientB1Id: number;
  };
  devices: {
    deviceA1Id: number;
    deviceA2Id: number;
    deviceA3Id: number;
    deviceA4InactiveId: number;
    deviceB1Id: number;
  };
}

interface SeedUserScope {
  id: number;
  hospitalId: number | null;
  departmentId: number | null;
  groupId: number | null;
}

async function requireUserScope(
  prisma: PrismaService,
  openId: string,
): Promise<SeedUserScope> {
  const user = await prisma.user.findUnique({
    where: { openId },
    select: {
      id: true,
      hospitalId: true,
      departmentId: true,
      groupId: true,
    },
  });
  if (!user) {
    throw new NotFoundException(`Seed user not found: ${openId}`);
  }
  return user;
}

async function requireDeviceId(
  prisma: PrismaService,
  snCode: string,
): Promise<number> {
  const device = await prisma.device.findUnique({
    where: { snCode },
    select: { id: true },
  });
  if (!device) {
    throw new NotFoundException(`Seed device not found: ${snCode}`);
  }
  return device.id;
}

async function requirePatientId(
  prisma: PrismaService,
  hospitalId: number,
  phone: string,
  idCardHash: string,
): Promise<number> {
  const patient = await prisma.patient.findFirst({
    where: { hospitalId, phone, idCardHash },
    select: { id: true },
  });
  if (!patient) {
    throw new NotFoundException(
      `Seed patient not found: ${phone}/${idCardHash}`,
    );
  }
  return patient.id;
}

export async function loadSeedFixtures(
  prisma: PrismaService,
): Promise<E2ESeedFixtures> {
  const systemAdmin = await requireUserScope(
    prisma,
    'seed-system-admin-openid',
  );
  const hospitalAdminA = await requireUserScope(
    prisma,
    'seed-hospital-admin-a-openid',
  );
  const directorA = await requireUserScope(prisma, 'seed-director-a-openid');
  const leaderA = await requireUserScope(prisma, 'seed-leader-a-openid');
  const doctorA = await requireUserScope(prisma, 'seed-doctor-a-openid');
  const doctorA2 = await requireUserScope(prisma, 'seed-doctor-a2-openid');
  const doctorA3 = await requireUserScope(prisma, 'seed-doctor-a3-openid');
  const doctorB = await requireUserScope(prisma, 'seed-doctor-b-openid');
  const engineerA = await requireUserScope(prisma, 'seed-engineer-a-openid');
  const engineerB = await requireUserScope(prisma, 'seed-engineer-b-openid');

  const hospitalAId = hospitalAdminA.hospitalId;
  const hospitalBId = doctorB.hospitalId;
  const departmentA1Id = doctorA.departmentId;
  const departmentA2Id = doctorA3.departmentId;
  const departmentB1Id = doctorB.departmentId;
  const groupA1Id = doctorA.groupId;
  const groupA2Id = doctorA3.groupId;
  const groupB1Id = doctorB.groupId;

  if (
    hospitalAId == null ||
    hospitalBId == null ||
    departmentA1Id == null ||
    departmentA2Id == null ||
    departmentB1Id == null ||
    groupA1Id == null ||
    groupA2Id == null ||
    groupB1Id == null
  ) {
    throw new NotFoundException('Seed user scope is incomplete');
  }

  return {
    hospitalAId,
    hospitalBId,
    departmentA1Id,
    departmentA2Id,
    departmentB1Id,
    groupA1Id,
    groupA2Id,
    groupB1Id,
    users: {
      systemAdminId: systemAdmin.id,
      hospitalAdminAId: hospitalAdminA.id,
      directorAId: directorA.id,
      leaderAId: leaderA.id,
      doctorAId: doctorA.id,
      doctorA2Id: doctorA2.id,
      doctorA3Id: doctorA3.id,
      doctorBId: doctorB.id,
      engineerAId: engineerA.id,
      engineerBId: engineerB.id,
    },
    patients: {
      patientA1Id: await requirePatientId(
        prisma,
        hospitalAId,
        '13800002001',
        'seed-id-card-cross-hospital',
      ),
      patientA2Id: await requirePatientId(
        prisma,
        hospitalAId,
        '13800002002',
        'seed-id-card-a2',
      ),
      patientA3Id: await requirePatientId(
        prisma,
        hospitalAId,
        '13800002003',
        'seed-id-card-a3',
      ),
      patientB1Id: await requirePatientId(
        prisma,
        hospitalBId,
        '13800002001',
        'seed-id-card-cross-hospital',
      ),
    },
    devices: {
      deviceA1Id: await requireDeviceId(prisma, 'SEED-SN-A-001'),
      deviceA2Id: await requireDeviceId(prisma, 'SEED-SN-A-002'),
      deviceA3Id: await requireDeviceId(prisma, 'SEED-SN-A-003'),
      deviceA4InactiveId: await requireDeviceId(prisma, 'SEED-SN-A-004'),
      deviceB1Id: await requireDeviceId(prisma, 'SEED-SN-B-001'),
    },
  };
}