import 'package:flutter/material.dart';

import '../../../common/extension/extension.dart';
import '../../../common/theme/theme.dart';
import '../../../sample/shop_sample_data.dart';

/// "320 terjual" / "1,2rb terjual".
String formatSoldCount(int count) {
  if (count < 1000) return '$count terjual';
  final thousands = (count / 100).floor() / 10;
  final text = thousands == thousands.roundToDouble()
      ? thousands.toInt().toString()
      : thousands.toString().replaceAll('.', ',');
  return '${text}rb terjual';
}

/// Grid 2 kolom produk; tinggi kartu = lebar gambar + bagian teks.
SliverGridDelegate shopProductGridDelegate(BuildContext context) {
  final itemWidth = (MediaQuery.sizeOf(context).width - 32 - 12) / 2;
  return SliverGridDelegateWithFixedCrossAxisCount(
    crossAxisCount: 2,
    mainAxisSpacing: 12,
    crossAxisSpacing: 12,
    mainAxisExtent: itemWidth + shopCardInfoHeight(context),
  );
}

/// Tinggi bagian teks kartu produk, ikut skala font sistem supaya tidak
/// terpotong.
double shopCardInfoHeight(BuildContext context) =>
    MediaQuery.textScalerOf(context).scale(118);

/// Gambar produk: emoji di atas latar warna produk.
class ShopProductImage extends StatelessWidget {
  const ShopProductImage({
    super.key,
    required this.product,
    this.emojiSize = 56,
  });

  final ShopProduct product;
  final double emojiSize;

  @override
  Widget build(BuildContext context) {
    return ColoredBox(
      color: Color(product.tint),
      child: Center(
        child: Text(product.emoji, style: TextStyle(fontSize: emojiSize)),
      ),
    );
  }
}

/// Label pojok kartu seperti "Terlaris" atau "Baru".
class ShopTagBadge extends StatelessWidget {
  const ShopTagBadge({super.key, required this.tag});

  final ShopTag tag;

  @override
  Widget build(BuildContext context) {
    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
      decoration: BoxDecoration(
        color: switch (tag) {
          ShopTag.bestSeller => AppColor.primary,
          ShopTag.newArrival => AppColor.info,
        },
        borderRadius: BorderRadius.circular(6),
      ),
      child: Text(
        tag.label,
        style: AppStyle.xs.copyWith(
          color: AppColor.textWhite,
          fontWeight: FontWeight.w800,
        ),
      ),
    );
  }
}

/// Harga akhir, dengan harga coret dan persen potongan bila diskon.
class ShopPrice extends StatelessWidget {
  const ShopPrice({super.key, required this.product, this.large = false});

  final ShopProduct product;
  final bool large;

  @override
  Widget build(BuildContext context) {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      mainAxisSize: MainAxisSize.min,
      children: [
        Text(
          product.finalPrice.currencyFormatRp,
          style: (large ? AppStyle.h5 : AppStyle.md).copyWith(
            fontWeight: FontWeight.w800,
          ),
        ),
        if (product.isDiscounted) ...[
          SizedBox(height: large ? 4 : 2),
          Row(
            mainAxisSize: MainAxisSize.min,
            children: [
              Container(
                padding: const EdgeInsets.symmetric(horizontal: 5, vertical: 1),
                decoration: BoxDecoration(
                  color: AppColor.primary.withOpacity(0.1),
                  borderRadius: BorderRadius.circular(4),
                ),
                child: Text(
                  '${product.discountPercent}%',
                  style: (large ? AppStyle.sm : AppStyle.xs).copyWith(
                    color: AppColor.primary,
                    fontWeight: FontWeight.w800,
                  ),
                ),
              ),
              const SizedBox(width: 6),
              Flexible(
                child: Text(
                  product.price.currencyFormatRp,
                  maxLines: 1,
                  overflow: TextOverflow.ellipsis,
                  style: (large ? AppStyle.sm : AppStyle.xs).copyWith(
                    color: AppColor.textSecondary,
                    decoration: TextDecoration.lineThrough,
                  ),
                ),
              ),
            ],
          ),
        ],
      ],
    );
  }
}