import { defaultAdminPermissions, permissions, type PermissionKey } from "@mrp/shared";

import { env } from "../config/env.js";
import { prisma } from "./prisma.js";
import { hashPassword } from "./password.js";
import { ensureDataDirectories } from "./storage.js";

const permissionDescriptions: Record<PermissionKey, string> = {
  [permissions.adminManage]: "Full administrative access",
  [permissions.companyRead]: "View company settings",
  [permissions.companyWrite]: "Update company settings",
  [permissions.crmRead]: "View CRM records",
  [permissions.crmWrite]: "Manage CRM records",
  [permissions.inventoryRead]: "View inventory items and BOMs",
  [permissions.inventoryWrite]: "Manage inventory items and BOMs",
  [permissions.filesRead]: "View attached files",
  [permissions.filesWrite]: "Upload and manage attached files",
  [permissions.ganttRead]: "View gantt timelines",
  [permissions.salesRead]: "View sales data",
  [permissions.shippingRead]: "View shipping data",
};

export async function bootstrapAppData() {
  await ensureDataDirectories();

  for (const permissionKey of defaultAdminPermissions) {
    await prisma.permission.upsert({
      where: { key: permissionKey },
      update: {},
      create: {
        key: permissionKey,
        description: permissionDescriptions[permissionKey],
      },
    });
  }

  const adminRole = await prisma.role.upsert({
    where: { name: "Administrator" },
    update: { description: "Full system access" },
    create: {
      name: "Administrator",
      description: "Full system access",
    },
  });

  const allPermissions = await prisma.permission.findMany({
    where: {
      key: {
        in: defaultAdminPermissions,
      },
    },
  });

  for (const permission of allPermissions) {
    await prisma.rolePermission.upsert({
      where: {
        roleId_permissionId: {
          roleId: adminRole.id,
          permissionId: permission.id,
        },
      },
      update: {},
      create: {
        roleId: adminRole.id,
        permissionId: permission.id,
      },
    });
  }

  const adminUser = await prisma.user.upsert({
    where: { email: env.ADMIN_EMAIL },
    update: {},
    create: {
      email: env.ADMIN_EMAIL,
      firstName: "System",
      lastName: "Administrator",
      passwordHash: await hashPassword(env.ADMIN_PASSWORD),
    },
  });

  await prisma.userRole.upsert({
    where: {
      userId_roleId: {
        userId: adminUser.id,
        roleId: adminRole.id,
      },
    },
    update: {},
    create: {
      userId: adminUser.id,
      roleId: adminRole.id,
    },
  });

  const existingProfile = await prisma.companyProfile.findFirst({
    where: { isActive: true },
  });

  if (!existingProfile) {
    await prisma.companyProfile.create({
      data: {
        companyName: "MRP Codex Manufacturing",
        legalName: "MRP Codex Manufacturing LLC",
        email: "operations@example.com",
        phone: "+1 (555) 010-2000",
        website: "https://example.com",
        taxId: "99-9999999",
        addressLine1: "100 Foundry Lane",
        addressLine2: "Suite 200",
        city: "Chicago",
        state: "IL",
        postalCode: "60601",
        country: "USA",
      },
    });
  }

  if ((await prisma.customer.count()) === 0) {
    await prisma.customer.createMany({
      data: [
        {
          name: "Acme Components",
          email: "buyer@acme.example",
          phone: "555-0101",
          addressLine1: "1 Industrial Road",
          addressLine2: "",
          city: "Detroit",
          state: "MI",
          postalCode: "48201",
          country: "USA",
          notes: "Priority account",
        },
        {
          name: "Northwind Fabrication",
          email: "ops@northwind.example",
          phone: "555-0120",
          addressLine1: "42 Assembly Ave",
          addressLine2: "",
          city: "Milwaukee",
          state: "WI",
          postalCode: "53202",
          country: "USA",
          notes: "Requires ASN notice",
        },
      ],
    });
  }

  if ((await prisma.vendor.count()) === 0) {
    await prisma.vendor.create({
      data: {
        name: "SteelSource Supply",
        email: "sales@steelsource.example",
        phone: "555-0142",
        addressLine1: "77 Mill Street",
        addressLine2: "",
        city: "Gary",
        state: "IN",
        postalCode: "46402",
        country: "USA",
        notes: "Lead time 5 business days",
      },
    });
  }

  if ((await prisma.inventoryItem.count()) === 0) {
    const plate = await prisma.inventoryItem.create({
      data: {
        sku: "RM-PLATE-AL-125",
        name: "Aluminum Plate 1/8in",
        description: "Raw aluminum plate stock for fabricated assemblies.",
        type: "PURCHASED",
        status: "ACTIVE",
        unitOfMeasure: "EA",
        isSellable: false,
        isPurchasable: true,
        defaultCost: 42.5,
        notes: "Primary sheet stock for enclosure fabrication.",
      },
    });

    const fastener = await prisma.inventoryItem.create({
      data: {
        sku: "HW-SCREW-832",
        name: "8-32 Socket Head Screw",
        description: "Standard socket head cap screw for enclosure assemblies.",
        type: "PURCHASED",
        status: "ACTIVE",
        unitOfMeasure: "EA",
        isSellable: false,
        isPurchasable: true,
        defaultCost: 0.18,
        notes: "Bulk hardware item.",
      },
    });

    const assembly = await prisma.inventoryItem.create({
      data: {
        sku: "FG-CTRL-BASE",
        name: "Control Base Assembly",
        description: "Base enclosure assembly for standard control packages.",
        type: "ASSEMBLY",
        status: "ACTIVE",
        unitOfMeasure: "EA",
        isSellable: true,
        isPurchasable: false,
        defaultCost: 118,
        notes: "Starter BOM for the inventory foundation slice.",
      },
    });

    await prisma.inventoryBomLine.createMany({
      data: [
        {
          parentItemId: assembly.id,
          componentItemId: plate.id,
          quantity: 2,
          unitOfMeasure: "EA",
          notes: "Side panel blanks",
          position: 10,
        },
        {
          parentItemId: assembly.id,
          componentItemId: fastener.id,
          quantity: 12,
          unitOfMeasure: "EA",
          notes: "General assembly hardware",
          position: 20,
        },
      ],
    });
  }

  if ((await prisma.warehouse.count()) === 0) {
    await prisma.warehouse.create({
      data: {
        code: "MAIN",
        name: "Main Warehouse",
        notes: "Primary stocking location for finished goods and purchased materials.",
        locations: {
          create: [
            {
              code: "RECV",
              name: "Receiving",
              notes: "Initial inbound inspection and receipt staging.",
            },
            {
              code: "STOCK-A1",
              name: "Aisle A1",
              notes: "General rack storage for standard material.",
            },
            {
              code: "FG-STAGE",
              name: "Finished Goods Staging",
              notes: "Outbound-ready finished assemblies.",
            },
          ],
        },
      },
    });
  }
}