import 'package:flutter/material.dart';

import '../../../../common/extension/extension.dart';
import '../../../../common/theme/theme.dart';
import '../../../components/spacer/spacer.dart';
import 'profit_sharing_allocation.dart';

/// Ambang kesehatan berdasarkan % HPP riil terhadap omzet.
/// Ubah di sini kalau target margin bisnis berubah.
class HppThreshold {
  static const double healthy = 70;
  static const double watch = 80;
}

String formatPercent(double value) => '${value.toStringAsFixed(1)}%';

/// Persen fee tanpa desimal kalau nilainya bulat (20% / 22.5%).
String formatFeePercent(double value) =>
    '${value.toStringAsFixed(value % 1 == 0 ? 0 : 1)}%';

/// Versi lebih gelap dari [color], dipakai sebagai ujung gradien.
Color darken(Color color, [double amount = 0.2]) =>
    Color.lerp(color, AppColor.black, amount)!;

Color statusColor(double realHppPercentage) {
  if (realHppPercentage <= HppThreshold.healthy) {
    return ProfitSharingColor.healthy;
  }
  if (realHppPercentage <= HppThreshold.watch) return ProfitSharingColor.watch;
  return ProfitSharingColor.critical;
}

String statusLabel(BuildContext context, double realHppPercentage) {
  if (realHppPercentage <= HppThreshold.healthy) {
    return context.lang.status_healthy;
  }
  if (realHppPercentage <= HppThreshold.watch) return context.lang.status_watch;
  return context.lang.status_critical;
}

/// Pill status margin (Sehat / Waspada / Tidak Sehat).
class ProfitSharingStatusBadge extends StatelessWidget {
  final double realHppPercentage;
  final bool onDarkBackground;

  const ProfitSharingStatusBadge({
    super.key,
    required this.realHppPercentage,
    this.onDarkBackground = false,
  });

  @override
  Widget build(BuildContext context) {
    final color = statusColor(realHppPercentage);

    // Di atas header merah, pill putih supaya status merah tidak tenggelam.
    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 4),
      decoration: BoxDecoration(
        color: onDarkBackground ? AppColor.white : color,
        borderRadius: BorderRadius.circular(20),
      ),
      child: Text(
        statusLabel(context, realHppPercentage),
        style: AppStyle.xs.copyWith(
          color: onDarkBackground ? color : AppColor.textWhite,
          fontWeight: FontWeight.w800,
        ),
      ),
    );
  }
}

/// Kartu item di dalam section: latar putih, garis aksen berwarna di kiri.
/// Child boleh berisi InkWell; ripple-nya ikut terpotong sudut kartu.
class ProfitSharingItemCard extends StatelessWidget {
  final Widget child;
  final Color accentColor;

  const ProfitSharingItemCard({
    super.key,
    required this.child,
    this.accentColor = AppColor.primary,
  });

  @override
  Widget build(BuildContext context) {
    return Container(
      clipBehavior: Clip.antiAlias,
      decoration: BoxDecoration(
        color: AppColor.white,
        borderRadius: BorderRadius.circular(14),
        border: Border.all(color: AppColor.border),
        boxShadow: [
          BoxShadow(
            color: AppColor.black.withOpacity(0.05),
            blurRadius: 8,
            offset: const Offset(0, 2),
          ),
        ],
      ),
      child: Stack(
        children: [
          Material(type: MaterialType.transparency, child: child),
          Positioned(
            left: 0,
            top: 0,
            bottom: 0,
            child: Container(width: 4, color: accentColor),
          ),
        ],
      ),
    );
  }
}

/// Pill persen fee owner. Di atas latar berwarna jadi putih supaya terbaca.
class ProfitSharingFeeBadge extends StatelessWidget {
  final double feePercent;
  final Color color;
  final bool onDarkBackground;

  const ProfitSharingFeeBadge({
    super.key,
    required this.feePercent,
    this.color = ProfitSharingColor.owner,
    this.onDarkBackground = false,
  });

  @override
  Widget build(BuildContext context) {
    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
      decoration: BoxDecoration(
        color: onDarkBackground ? AppColor.white : color,
        borderRadius: BorderRadius.circular(6),
      ),
      child: Text(
        formatFeePercent(feePercent),
        style: AppStyle.xs.copyWith(
          color: onDarkBackground ? color : AppColor.textWhite,
          fontWeight: FontWeight.w800,
        ),
      ),
    );
  }
}

/// Deretan angka ringkas di header (latar gelap), dipisah garis tipis.
class ProfitSharingHeaderStats extends StatelessWidget {
  final List<(String label, String value)> stats;

  const ProfitSharingHeaderStats({super.key, required this.stats});

  @override
  Widget build(BuildContext context) {
    return Container(
      padding: const EdgeInsets.symmetric(vertical: 12),
      decoration: BoxDecoration(
        color: AppColor.textWhite.withOpacity(0.14),
        borderRadius: BorderRadius.circular(14),
        border: Border.all(color: AppColor.textWhite.withOpacity(0.22)),
      ),
      child: IntrinsicHeight(
        child: Row(
          children: [
            for (var i = 0; i < stats.length; i++) ...[
              if (i > 0)
                VerticalDivider(
                  width: 1,
                  thickness: 1,
                  color: AppColor.textWhite.withOpacity(0.22),
                ),
              Expanded(
                child: Padding(
                  padding: const EdgeInsets.symmetric(horizontal: 12),
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      Text(
                        stats[i].$1,
                        style: AppStyle.xs.copyWith(
                          color: AppColor.textWhite.withOpacity(0.75),
                        ),
                        maxLines: 1,
                        overflow: TextOverflow.ellipsis,
                      ),
                      const SizedBox(height: 4),
                      FittedBox(
                        fit: BoxFit.scaleDown,
                        alignment: Alignment.centerLeft,
                        child: Text(
                          stats[i].$2,
                          style: AppStyle.md.copyWith(
                            color: AppColor.textWhite,
                            fontWeight: FontWeight.w800,
                          ),
                        ),
                      ),
                    ],
                  ),
                ),
              ),
            ],
          ],
        ),
      ),
    );
  }
}

/// Kartu statistik kecil berwarna solid: ikon, nilai, lalu label.
class ProfitSharingStatTile extends StatelessWidget {
  final IconData icon;
  final String label;
  final String value;
  final Color color;

  const ProfitSharingStatTile({
    super.key,
    required this.icon,
    required this.label,
    required this.value,
    this.color = AppColor.primary,
  });

  @override
  Widget build(BuildContext context) {
    return Container(
      padding: const EdgeInsets.all(12),
      decoration: BoxDecoration(
        gradient: LinearGradient(
          colors: [color, darken(color)],
          begin: Alignment.topLeft,
          end: Alignment.bottomRight,
        ),
        borderRadius: BorderRadius.circular(12),
        boxShadow: [
          BoxShadow(
            color: color.withOpacity(0.3),
            blurRadius: 8,
            offset: const Offset(0, 3),
          ),
        ],
      ),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Container(
            width: 30,
            height: 30,
            decoration: BoxDecoration(
              color: AppColor.textWhite.withOpacity(0.2),
              borderRadius: BorderRadius.circular(8),
            ),
            child: Icon(icon, color: AppColor.textWhite, size: 16),
          ),
          const SpaceHeight(10),
          FittedBox(
            fit: BoxFit.scaleDown,
            alignment: Alignment.centerLeft,
            child: Text(
              value,
              style: AppStyle.lg.copyWith(
                color: AppColor.textWhite,
                fontWeight: FontWeight.w800,
              ),
            ),
          ),
          const SizedBox(height: 2),
          Text(
            label,
            style: AppStyle.xs.copyWith(
              color: AppColor.textWhite.withOpacity(0.85),
              fontWeight: FontWeight.w600,
            ),
            maxLines: 1,
            overflow: TextOverflow.ellipsis,
          ),
        ],
      ),
    );
  }
}

/// Label kecil dua baris: judul di atas, nilai di bawah.
class ProfitSharingMetric extends StatelessWidget {
  final String label;
  final String value;
  final Color? valueColor;
  final bool isBold;

  const ProfitSharingMetric({
    super.key,
    required this.label,
    required this.value,
    this.valueColor,
    this.isBold = false,
  });

  @override
  Widget build(BuildContext context) {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        Text(
          label,
          style: AppStyle.xs.copyWith(color: AppColor.textSecondary),
          maxLines: 1,
          overflow: TextOverflow.ellipsis,
        ),
        const SizedBox(height: 2),
        Text(
          value,
          style: AppStyle.sm.copyWith(
            color: valueColor ?? AppColor.textPrimary,
            fontWeight: isBold ? FontWeight.w800 : FontWeight.w600,
          ),
          maxLines: 1,
          overflow: TextOverflow.ellipsis,
        ),
      ],
    );
  }
}