/**
 * Seed R0 — idempotent (upserts) : 7 rôles, matrice COMPLÈTE (une ligne par
 * rôle × catégorie, invariant R0) et 7 comptes de démonstration (ADR-002).
 * La matrice ci-dessous est le point de DÉPART pédagogique : elle vit en base
 * et sera administrable (R1) — la modifier ici ne change pas une base déjà
 * seedée (les lignes existantes ne sont pas écrasées, voir plus bas).
 * Usage : pnpm seed  (ou prisma db seed)
 */
import 'dotenv/config';
import { PrismaClient } from '@prisma/client';
import {
  OBJECT_CATEGORIES,
  ROLE_NAMES,
  type ObjectCategory,
  type RoleName,
} from '@siop/shared';
import * as argon2 from 'argon2';

type Grant = Partial<{
  view: boolean;
  viewOther: boolean;
  create: boolean;
  edit: boolean;
  delete: boolean;
}>;

const FULL: Grant = { view: true, viewOther: true, create: true, edit: true, delete: true };
const READ: Grant = { view: true, viewOther: true };

/** Matrice de départ (rôle → catégorie → droits ; absent = tout à false). */
const MATRIX: Record<RoleName, Partial<Record<ObjectCategory, Grant>>> = {
  Administrateur: Object.fromEntries(
    OBJECT_CATEGORIES.map((c) => [c, FULL]),
  ) as Record<ObjectCategory, Grant>,
  Gestionnaire: {
    WORK_ORDERS: FULL,
    REQUESTS: FULL,
    ASSETS: FULL,
    LOCATIONS: FULL,
    METERS: FULL,
    PARTS: FULL,
    PURCHASE_ORDERS: FULL,
    PEOPLE_TEAMS: { view: true, viewOther: true, create: true, edit: true },
    ANALYTICS: READ,
    SETTINGS: { view: true },
  },
  Dispatcher: {
    WORK_ORDERS: { view: true, viewOther: true, create: true, edit: true },
    REQUESTS: { view: true, viewOther: true, create: true, edit: true },
    ASSETS: READ,
    LOCATIONS: READ,
    METERS: READ,
    PARTS: { view: true },
    PEOPLE_TEAMS: READ,
    ANALYTICS: READ,
  },
  Technicien: {
    WORK_ORDERS: { view: true, edit: true }, // ses OT uniquement (viewOther=false)
    REQUESTS: { view: true },
    ASSETS: READ,
    LOCATIONS: READ,
    METERS: { view: true, viewOther: true, create: true }, // relevés
    PARTS: { view: true },
  },
  'Technicien limité': {
    WORK_ORDERS: { view: true, edit: true }, // ses OT, sans consultation du parc
    ASSETS: { view: true },
  },
  Demandeur: {
    REQUESTS: { view: true, create: true }, // ses demandes uniquement
  },
  'Vue seule': {
    WORK_ORDERS: READ,
    REQUESTS: READ,
    ASSETS: READ,
    LOCATIONS: READ,
    METERS: READ,
    PARTS: READ,
    PURCHASE_ORDERS: READ,
    PEOPLE_TEAMS: READ,
    ANALYTICS: READ,
  },
};

/** 7 comptes démo — un par rôle. Les noms sont CEUX de la maquette validée
 *  (maquette-web.html) : la revue pixel compare écrans et maquettes. */
const DEMO_USERS: { email: string; displayName: string; role: RoleName }[] = [
  { email: 'admin@demo.siop.ma', displayName: 'Yasmine Alaoui', role: 'Administrateur' },
  { email: 'dispatcher@demo.siop.ma', displayName: 'Salma Idrissi', role: 'Dispatcher' },
  { email: 'technicien@demo.siop.ma', displayName: 'Ahmed Benali', role: 'Technicien' },
  { email: 'technicien-limite@demo.siop.ma', displayName: 'Youssef Tazi', role: 'Technicien limité' },
  { email: 'gestionnaire@demo.siop.ma', displayName: 'Nadia Berrada', role: 'Gestionnaire' },
  { email: 'demandeur@demo.siop.ma', displayName: 'Karim Doukkali', role: 'Demandeur' },
  { email: 'vue-seule@demo.siop.ma', displayName: 'Rachid Bennis', role: 'Vue seule' },
];

export async function seed(prisma: PrismaClient): Promise<void> {
  const roleIds = new Map<RoleName, string>();
  for (const name of ROLE_NAMES) {
    const role = await prisma.role.upsert({
      where: { name },
      update: {},
      create: { name },
    });
    roleIds.set(name, role.id);
  }

  // Matrice complète : une ligne par rôle × catégorie. Les lignes existantes
  // ne sont PAS écrasées (la base est la source de vérité, pas ce fichier).
  for (const name of ROLE_NAMES) {
    const roleId = roleIds.get(name)!;
    for (const category of OBJECT_CATEGORIES) {
      const g = MATRIX[name][category] ?? {};
      await prisma.permission.upsert({
        where: { roleId_objectCategory: { roleId, objectCategory: category } },
        update: {},
        create: {
          roleId,
          objectCategory: category,
          canView: g.view ?? false,
          canViewOther: g.viewOther ?? false,
          canCreate: g.create ?? false,
          canEdit: g.edit ?? false,
          canDelete: g.delete ?? false,
        },
      });
    }
  }

  // Mot de passe commun des comptes démo (la connexion classique reste testable).
  const passwordHash = await argon2.hash(
    process.env.SEED_DEMO_PASSWORD ?? 'Demo!2026',
  );
  await seedUsers(prisma, roleIds, passwordHash);
  await seedReferentiel(prisma);
}

async function seedUsers(
  prisma: PrismaClient,
  roleIds: Map<RoleName, string>,
  passwordHash: string,
): Promise<void> {
  for (const u of DEMO_USERS) {
    // Les comptes démo appartiennent au seed : nom et rôle sont réalignés
    // à chaque exécution (jamais le mot de passe d'un compte existant).
    await prisma.user.upsert({
      where: { email: u.email },
      update: { displayName: u.displayName, roleId: roleIds.get(u.role)! },
      create: {
        email: u.email,
        displayName: u.displayName,
        passwordHash,
        roleId: roleIds.get(u.role)!,
        isDemo: true,
      },
    });
  }
}

// ————— R1 — Référentiel (données des maquettes validées) —————

const EQUIPMENT_CATEGORIES = [
  'Ascenseur électrique',
  'Ascenseur hydraulique',
  'Monte-charge',
  'EPMR (plateforme PMR)',
];
const COMPONENT_TYPES = [
  'Portes cabine / palières',
  'Treuil / machinerie',
  'Parachute',
  'Armoire de commande',
  'Boutons & signalisation',
];

/** site → zones ; positions réelles Casablanca/Mohammedia. */
const SITES: {
  name: string;
  address: string;
  city: string;
  guardianName?: string;
  guardianPhone?: string;
  latitude: number;
  longitude: number;
  zones: string[];
}[] = [
  {
    name: 'Tour Atlas', address: 'Bd de la Corniche, Aïn Diab', city: 'Casablanca',
    guardianName: 'Karim Doukkali', guardianPhone: '06 61 23 45 67',
    latitude: 33.6062, longitude: -7.6706,
    zones: ['Hall principal', 'Tour bureaux (étages 1-24)', 'Parking sous-sol', 'Résidence (aile est)'],
  },
  {
    name: 'Résidence Al Manar', address: 'Bd Hassan II', city: 'Mohammedia',
    guardianName: 'Hassan Alami',
    latitude: 33.6866, longitude: -7.383,
    zones: ['Hall principal'],
  },
  {
    name: 'Anfa Place', address: 'Bd de l’Océan Atlantique', city: 'Casablanca',
    latitude: 33.5883, longitude: -7.6822,
    zones: ['Galerie commerciale'],
  },
  {
    name: 'Clinique Yasmine', address: 'Rue Ibn Rochd', city: 'Casablanca',
    guardianName: 'Rachid Mansouri',
    latitude: 33.5731, longitude: -7.6316,
    zones: ['Bloc A'],
  },
  {
    name: 'Marina Center', address: 'Av. des FAR', city: 'Mohammedia',
    latitude: 33.7, longitude: -7.39,
    zones: ['Hall B'],
  },
];

const ASSETS: {
  reference: string; brand: string; model: string; serialNumber?: string;
  commissionedAt?: string; loadKg?: number; floors?: number;
  category: string; site: string; zone: string;
  status?: 'IN_SERVICE' | 'OUT_OF_SERVICE' | 'UNDER_MAINTENANCE';
  components?: { type: string; designation?: string }[];
}[] = [
  {
    reference: 'A1', brand: 'Otis', model: 'Gen2 Premier', serialNumber: 'OT-2020-4521',
    commissionedAt: '2020-03-15', loadKg: 630, floors: 8,
    category: 'Ascenseur électrique', site: 'Résidence Al Manar', zone: 'Hall principal',
    components: [
      { type: 'Portes cabine / palières', designation: 'Fermator 40/10' },
      { type: 'Treuil / machinerie', designation: 'Gen2 gearless' },
      { type: 'Parachute' },
      { type: 'Armoire de commande', designation: 'MCS 220' },
    ],
  },
  {
    reference: 'A2', brand: 'Otis', model: 'Gen2', loadKg: 630, floors: 12,
    category: 'Ascenseur électrique', site: 'Tour Atlas', zone: 'Hall principal',
  },
  {
    reference: 'B1', brand: 'Schindler', model: '3300', loadKg: 1000, floors: 24,
    category: 'Ascenseur électrique', site: 'Tour Atlas', zone: 'Tour bureaux (étages 1-24)',
  },
  {
    reference: 'B2', brand: 'Schindler', model: '3300', loadKg: 1000, floors: 24,
    category: 'Ascenseur électrique', site: 'Tour Atlas', zone: 'Tour bureaux (étages 1-24)',
    status: 'OUT_OF_SERVICE',
    components: [
      { type: 'Portes cabine / palières', designation: 'Sematic' },
      { type: 'Armoire de commande' },
    ],
  },
  {
    reference: 'M1', brand: 'Kone', model: 'TranSys', loadKg: 2000, floors: 3,
    category: 'Monte-charge', site: 'Tour Atlas', zone: 'Parking sous-sol',
    status: 'UNDER_MAINTENANCE',
  },
  {
    reference: 'C1', brand: 'Kone', model: 'MonoSpace 500', loadKg: 800, floors: 5,
    category: 'Ascenseur électrique', site: 'Anfa Place', zone: 'Galerie commerciale',
  },
  {
    reference: 'D1', brand: 'ThyssenKrupp', model: 'Evolution', loadKg: 1600, floors: 6,
    category: 'Ascenseur électrique', site: 'Clinique Yasmine', zone: 'Bloc A',
  },
  {
    reference: 'E2', brand: 'Otis', model: 'HydroFit', loadKg: 630, floors: 4,
    category: 'Ascenseur hydraulique', site: 'Marina Center', zone: 'Hall B',
  },
];

const TEAMS: { name: string; description: string; memberEmails: string[] }[] = [
  {
    name: 'Casablanca Centre',
    description: 'Tour Atlas · Anfa Place · Clinique Yasmine',
    memberEmails: ['technicien@demo.siop.ma', 'technicien-limite@demo.siop.ma'],
  },
  {
    name: 'Mohammedia',
    description: 'Résidence Al Manar · Marina Center',
    memberEmails: [],
  },
];

async function seedReferentiel(prisma: PrismaClient): Promise<void> {
  const categoryIds = new Map<string, string>();
  for (const [kind, names] of [
    ['EQUIPMENT', EQUIPMENT_CATEGORIES],
    ['COMPONENT_TYPE', COMPONENT_TYPES],
  ] as const) {
    for (const name of names) {
      const category = await prisma.category.upsert({
        where: { kind_name: { kind, name } },
        update: {},
        create: { kind, name },
      });
      categoryIds.set(name, category.id);
    }
  }

  // Pas d'unicité en base sur (parent, nom) : idempotence par findFirst.
  const zoneIds = new Map<string, string>(); // « site / zone » → id
  for (const site of SITES) {
    const { zones, ...data } = site;
    let root = await prisma.location.findFirst({
      where: { name: site.name, parentId: null },
    });
    root ??= await prisma.location.create({ data });
    for (const zoneName of zones) {
      let zone = await prisma.location.findFirst({
        where: { name: zoneName, parentId: root.id },
      });
      zone ??= await prisma.location.create({
        data: { name: zoneName, parentId: root.id, city: site.city },
      });
      zoneIds.set(`${site.name} / ${zoneName}`, zone.id);
    }
  }

  for (const asset of ASSETS) {
    const created = await prisma.asset.upsert({
      where: { reference: asset.reference },
      update: {},
      create: {
        reference: asset.reference,
        brand: asset.brand,
        model: asset.model,
        serialNumber: asset.serialNumber,
        commissionedAt: asset.commissionedAt ? new Date(asset.commissionedAt) : undefined,
        loadKg: asset.loadKg,
        floors: asset.floors,
        status: asset.status ?? 'IN_SERVICE',
        categoryId: categoryIds.get(asset.category)!,
        locationId: zoneIds.get(`${asset.site} / ${asset.zone}`)!,
      },
      include: { _count: { select: { components: true } } },
    });
    if (asset.components?.length && created._count.components === 0) {
      await prisma.assetComponent.createMany({
        data: asset.components.map((c) => ({
          assetId: created.id,
          typeId: categoryIds.get(c.type)!,
          designation: c.designation,
        })),
      });
    }
  }

  for (const team of TEAMS) {
    await prisma.team.upsert({
      where: { name: team.name },
      update: {},
      create: {
        name: team.name,
        description: team.description,
        members: { connect: team.memberEmails.map((email) => ({ email })) },
      },
    });
  }
}

/* c8 ignore start — wrapper CLI */
if (require.main === module) {
  const prisma = new PrismaClient();
  seed(prisma)
    .then(async () => {
      const [roles, permissions, users] = await Promise.all([
        prisma.role.count(),
        prisma.permission.count(),
        prisma.user.count({ where: { isDemo: true } }),
      ]);
      console.log(
        `Seed OK — ${roles} rôles, ${permissions} lignes de matrice, ${users} comptes démo.`,
      );
    })
    .catch((e) => {
      console.error(e);
      process.exitCode = 1;
    })
    .finally(() => prisma.$disconnect());
}
/* c8 ignore stop */