import os

file_path = "/Users/maddy/Projects/Kifi/kifi-app/lib/features/inventory/presentation/product_detail_screen.dart"

content = """import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:kifi_app/features/inventory/providers/products_provider.dart';
import 'package:kifi_app/core/network/dio_client.dart';
import 'package:kifi_app/features/inventory/domain/product.dart';
import 'package:kifi_app/features/inventory/presentation/add_product_screen.dart';
import 'package:kifi_app/features/inventory/presentation/stock_ledger_tab.dart';
import 'package:kifi_app/features/inventory/presentation/widgets/adjust_stock_sheet.dart';

class ProductDetailScreen extends ConsumerWidget {
  final Product product;

  const ProductDetailScreen({super.key, required this.product});

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    // Watch products to get latest updates (like stock changes)
    final productsState = ref.watch(productsProvider);
    final currentProduct = productsState.value?.firstWhere((p) => p.id == product.id, orElse: () => product) ?? product;

    return DefaultTabController(
      length: 2,
      child: Scaffold(
        backgroundColor: Colors.grey[50],
        appBar: AppBar(
          elevation: 0,
          backgroundColor: Colors.white,
          foregroundColor: Colors.black,
          title: Text(currentProduct.name, style: const TextStyle(fontWeight: FontWeight.bold)),
          actions: [
            IconButton(
              icon: const Icon(Icons.edit, color: Colors.black),
              onPressed: () {
                Navigator.push(
                  context,
                  MaterialPageRoute(
                    builder: (context) => AddProductScreen(product: currentProduct),
                  ),
                );
              },
            ),
          ],
          bottom: const TabBar(
            labelColor: Colors.blue,
            unselectedLabelColor: Colors.grey,
            indicatorColor: Colors.blue,
            tabs: [
              Tab(text: "Overview"),
              Tab(text: "Stock Ledger"),
            ],
          ),
        ),
        body: TabBarView(
          children: [
            _buildOverviewTab(context, currentProduct, ref),
            StockLedgerTab(productId: currentProduct.id!),
          ],
        ),
        floatingActionButton: FloatingActionButton.extended(
          onPressed: () {
            showModalBottomSheet(
              context: context,
              isScrollControlled: true,
              backgroundColor: Colors.transparent,
              builder: (context) => AdjustStockSheet(productId: currentProduct.id!),
            );
          },
          backgroundColor: Colors.blue,
          icon: const Icon(Icons.inventory),
          label: const Text("Adjust Stock"),
        ),
      ),
    );
  }

  Widget _buildOverviewTab(BuildContext context, Product p, WidgetRef ref) {
    return SingleChildScrollView(
      padding: const EdgeInsets.all(16.0),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          // Image Header
          if (p.imageIds.isNotEmpty)
            Container(
              height: 200,
              width: double.infinity,
              decoration: BoxDecoration(
                borderRadius: BorderRadius.circular(12),
                color: Colors.grey[200],
              ),
              clipBehavior: Clip.antiAlias,
              child: FutureBuilder<String?>(
                future: DioClient().storage.read(key: 'jwt_token'),
                builder: (context, snapshot) {
                  if (snapshot.connectionState == ConnectionState.waiting) {
                    return const Center(child: CircularProgressIndicator());
                  }
                  final token = snapshot.data;
                  if (token == null) {
                    return const Icon(Icons.image, size: 50, color: Colors.grey);
                  }
                  return Image.network(
                    '${DioClient().dio.options.baseUrl}/inventory/products/${p.id}/images/${p.imageIds.first}/content',
                    fit: BoxFit.cover,
                    headers: {'Authorization': 'Bearer $token'},
                    errorBuilder: (context, error, stackTrace) => const Icon(Icons.image, size: 50, color: Colors.grey),
                  );
                },
              ),
            ),
          const SizedBox(height: 24),
          
          // Stock Summary Card
          Card(
            elevation: 0,
            shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
            child: Padding(
              padding: const EdgeInsets.all(16.0),
              child: Row(
                children: [
                  Container(
                    padding: const EdgeInsets.all(12),
                    decoration: BoxDecoration(
                      color: Colors.blue.withOpacity(0.1),
                      shape: BoxShape.circle,
                    ),
                    child: const Icon(Icons.inventory_2, color: Colors.blue),
                  ),
                  const SizedBox(width: 16),
                  Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      Text("Current Stock", style: TextStyle(color: Colors.grey[600], fontSize: 14)),
                      Text(
                        "${p.currentStock ?? 0}",
                        style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 24),
                      ),
                    ],
                  ),
                ],
              ),
            ),
          ),
          const SizedBox(height: 16),

          // Details Card
          Card(
            elevation: 0,
            shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
            child: Padding(
              padding: const EdgeInsets.all(16.0),
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  const Text("Metal Details", style: TextStyle(fontWeight: FontWeight.bold, fontSize: 16)),
                  const Divider(),
                  _buildDetailRow("SKU / HUID", p.sku ?? "-"),
                  _buildDetailRow("Gross Weight", "${p.weight ?? 0} g"),
                  _buildDetailRow("Purity Factor", "${p.purityFactor ?? 1.0}"),
                  _buildDetailRow("Wastage", "${p.wastagePercentage ?? 0}%"),
                  _buildDetailRow("Net Weight", "${(p.weight ?? 0) * (1 - (p.wastagePercentage ?? 0) / 100)} g"),
                ],
              ),
            ),
          ),
          
          const SizedBox(height: 16),
          // Pricing Card
          Card(
            elevation: 0,
            shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
            child: Padding(
              padding: const EdgeInsets.all(16.0),
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  const Text("Pricing Details", style: TextStyle(fontWeight: FontWeight.bold, fontSize: 16)),
                  const Divider(),
                  _buildDetailRow("Making Charges", "₹${p.makingCharges?.toStringAsFixed(2) ?? '0.00'} (${p.makingChargesType})"),
                  _buildDetailRow("HSN Code", p.hsnCode ?? "-"),
                  _buildDetailRow("GST Rate", "${p.gstRate?.toStringAsFixed(1) ?? '0'}%"),
                ],
              ),
            ),
          ),
        ],
      ),
    );
  }

  Widget _buildDetailRow(String label, String value) {
    return Padding(
      padding: const EdgeInsets.symmetric(vertical: 8.0),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceBetween,
        children: [
          Text(label, style: TextStyle(color: Colors.grey[600])),
          Text(value, style: const TextStyle(fontWeight: FontWeight.w500)),
        ],
      ),
    );
  }
}
"""

with open(file_path, "w") as f:
    f.write(content)