/**
 * Product Management Tools
 */

import { z } from 'zod';
import type { LightspeedClient } from '../clients/lightspeed.js';

export function registerProductTools(client: LightspeedClient) {
  return [
    {
      name: 'lightspeed_list_products',
      description: 'List all products in Lightspeed POS. Supports pagination and filtering by category.',
      inputSchema: z.object({
        limit: z.number().optional().describe('Number of products to return (default 100)'),
        offset: z.number().optional().describe('Offset for pagination'),
        categoryID: z.string().optional().describe('Filter by category ID')
      }),
      handler: async (args: any) => {
        const result = await client.getProducts(args);
        return { content: [{ type: 'text', text: JSON.stringify(result, null, 2) }] };
      }
    },
    {
      name: 'lightspeed_get_product',
      description: 'Get a single product by ID with all details including pricing, cost, SKU, UPC, and category.',
      inputSchema: z.object({
        productID: z.string().describe('The product ID')
      }),
      handler: async (args: any) => {
        const result = await client.getProduct(args.productID);
        return { content: [{ type: 'text', text: JSON.stringify(result, null, 2) }] };
      }
    },
    {
      name: 'lightspeed_create_product',
      description: 'Create a new product in Lightspeed. Requires description and default price at minimum.',
      inputSchema: z.object({
        description: z.string().describe('Product description/name'),
        sku: z.string().optional().describe('Stock keeping unit'),
        upc: z.string().optional().describe('Universal product code'),
        defaultCost: z.number().optional().describe('Default cost price'),
        defaultPrice: z.number().describe('Default selling price'),
        categoryID: z.string().optional().describe('Category ID'),
        manufacturerID: z.string().optional().describe('Manufacturer ID'),
        supplierID: z.string().optional().describe('Primary supplier ID'),
        tax: z.boolean().optional().describe('Whether product is taxable'),
        discountable: z.boolean().optional().describe('Whether product can be discounted'),
        onlinePrice: z.number().optional().describe('Online store price'),
        msrp: z.number().optional().describe('Manufacturer suggested retail price')
      }),
      handler: async (args: any) => {
        const result = await client.createProduct(args);
        return { content: [{ type: 'text', text: JSON.stringify(result, null, 2) }] };
      }
    },
    {
      name: 'lightspeed_update_product',
      description: 'Update an existing product. Can modify any product field including prices, description, category, etc.',
      inputSchema: z.object({
        productID: z.string().describe('The product ID to update'),
        description: z.string().optional().describe('Product description/name'),
        sku: z.string().optional().describe('Stock keeping unit'),
        defaultCost: z.number().optional().describe('Default cost price'),
        defaultPrice: z.number().optional().describe('Default selling price'),
        onlinePrice: z.number().optional().describe('Online store price'),
        categoryID: z.string().optional().describe('Category ID'),
        manufacturerID: z.string().optional().describe('Manufacturer ID'),
        supplierID: z.string().optional().describe('Primary supplier ID'),
        tax: z.boolean().optional().describe('Whether product is taxable'),
        archived: z.boolean().optional().describe('Archive the product')
      }),
      handler: async (args: any) => {
        const { productID, ...updates } = args;
        const result = await client.updateProduct(productID, updates);
        return { content: [{ type: 'text', text: JSON.stringify(result, null, 2) }] };
      }
    },
    {
      name: 'lightspeed_delete_product',
      description: 'Delete a product from Lightspeed. This action cannot be undone.',
      inputSchema: z.object({
        productID: z.string().describe('The product ID to delete')
      }),
      handler: async (args: any) => {
        const result = await client.deleteProduct(args.productID);
        return { content: [{ type: 'text', text: JSON.stringify(result, null, 2) }] };
      }
    },
    {
      name: 'lightspeed_archive_product',
      description: 'Archive a product (soft delete). Archived products are hidden but can be restored.',
      inputSchema: z.object({
        productID: z.string().describe('The product ID to archive')
      }),
      handler: async (args: any) => {
        const result = await client.updateProduct(args.productID, { archived: true });
        return { content: [{ type: 'text', text: JSON.stringify(result, null, 2) }] };
      }
    },
    {
      name: 'lightspeed_search_products_by_sku',
      description: 'Search for products by SKU or partial SKU match.',
      inputSchema: z.object({
        sku: z.string().describe('SKU to search for')
      }),
      handler: async (args: any) => {
        const result = await client.getProducts({ limit: 100 });
        if (result.success) {
          const filtered = result.data.filter(p => 
            p.sku?.toLowerCase().includes(args.sku.toLowerCase()) ||
            p.customSku?.toLowerCase().includes(args.sku.toLowerCase())
          );
          return { content: [{ type: 'text', text: JSON.stringify({ success: true, data: filtered }, null, 2) }] };
        }
        return { content: [{ type: 'text', text: JSON.stringify(result, null, 2) }] };
      }
    }
  ];
}