// Author: fruit.com.cn

import 'package:flutter/material.dart';

import '../../../core/theme/app_colors.dart';
import '../../../core/theme/app_dimens.dart';
import '../../../core/widgets/app_press_scale.dart';
import '../../../l10n/app_localizations.dart';
import '../mine_types.dart';

const int _gridColumnCount = 4;
const double _gridMaxTextScale = 1.2;

/// 「我的」页统一操作宫格：常用入口与服务入口按 4×2 排列。
class MineActionGrid extends StatelessWidget {
  const MineActionGrid({
    super.key,
    required this.primaryActions,
    required this.serviceActions,
  });

  final MinePrimaryActions primaryActions;
  final MineServiceActions serviceActions;

  @override
  Widget build(BuildContext context) {
    final l10n = AppLocalizations.of(context)!;
    final items = [..._primaryItems(l10n), ..._serviceItems(l10n)];
    return SizedBox(
      height: AppDimens.mineGridHeight,
      child: DecoratedBox(
        key: const Key('mine-menu'),
        decoration: BoxDecoration(
          color: AppColors.mineGridSurface,
          border: Border.all(color: AppColors.glassHairline),
          borderRadius: BorderRadius.circular(AppDimens.mineGridRadius),
        ),
        child: ClipRRect(
          borderRadius: BorderRadius.circular(AppDimens.mineGridRadius),
          child: MediaQuery.withClampedTextScaling(
            maxScaleFactor: _gridMaxTextScale,
            child: Column(
              children: [
                _row(items.take(_gridColumnCount).toList()),
                const _MineHorizontalDivider(),
                _row(items.skip(_gridColumnCount).toList()),
              ],
            ),
          ),
        ),
      ),
    );
  }

  List<_MineActionItem> _primaryItems(AppLocalizations l10n) {
    return [
      _MineActionItem(
        key: const Key('mine-wallet'),
        icon: Icons.account_balance_wallet_outlined,
        label: l10n.wallet,
        onTap: primaryActions.onWallet,
      ),
      _MineActionItem(
        key: const Key('mine-favorites'),
        icon: Icons.star_outline_rounded,
        label: l10n.myFavorites,
        onTap: primaryActions.onFavorites,
      ),
      _MineActionItem(
        key: const Key('mine-downloads'),
        icon: Icons.download_for_offline_outlined,
        label: l10n.offlineDownloads,
        onTap: primaryActions.onDownloads,
      ),
      _MineActionItem(
        key: const Key('mine-history'),
        icon: Icons.history_rounded,
        label: l10n.watchHistory,
        onTap: primaryActions.onHistory,
      ),
    ];
  }

  List<_MineActionItem> _serviceItems(AppLocalizations l10n) {
    return [
      _MineActionItem(
        key: const Key('mine-help'),
        icon: Icons.support_agent_outlined,
        label: l10n.contactSupport,
        onTap: () => serviceActions.onOpen(MineDestination.help),
      ),
      _MineActionItem(
        key: const Key('mine-language'),
        icon: Icons.language_rounded,
        label: l10n.language,
        onTap: serviceActions.onLanguage,
      ),
      _MineActionItem(
        key: const Key('mine-settings'),
        icon: Icons.settings_outlined,
        label: l10n.settings,
        onTap: () => serviceActions.onOpen(MineDestination.settings),
      ),
      _MineActionItem(
        key: const Key('mine-notices'),
        icon: Icons.notifications_none_rounded,
        label: l10n.notices,
        onTap: () => serviceActions.onOpen(MineDestination.notices),
      ),
    ];
  }

  Widget _row(List<_MineActionItem> items) {
    return SizedBox(
      height: AppDimens.mineGridCellHeight,
      child: Row(
        children: [
          for (var index = 0; index < items.length; index++) ...[
            Expanded(child: _MineActionCell(item: items[index])),
            if (index < items.length - 1) const _MineVerticalDivider(),
          ],
        ],
      ),
    );
  }
}

/// 宫格第一排的常用功能回调。
class MinePrimaryActions {
  const MinePrimaryActions({
    required this.onWallet,
    required this.onFavorites,
    required this.onDownloads,
    required this.onHistory,
  });

  final VoidCallback onWallet;
  final VoidCallback onFavorites;
  final VoidCallback onDownloads;
  final VoidCallback onHistory;
}

/// 宫格第二排的服务功能回调。
class MineServiceActions {
  const MineServiceActions({required this.onOpen, required this.onLanguage});

  final ValueChanged<MineDestination> onOpen;
  final VoidCallback onLanguage;
}

class _MineActionItem {
  const _MineActionItem({
    required this.key,
    required this.icon,
    required this.label,
    required this.onTap,
  });

  final Key key;
  final IconData icon;
  final String label;
  final VoidCallback onTap;

  Key get iconSurfaceKey =>
      ValueKey('${(key as ValueKey<String>).value}-icon-surface');
}

class _MineActionCell extends StatelessWidget {
  const _MineActionCell({required this.item});

  final _MineActionItem item;

  @override
  Widget build(BuildContext context) {
    return Material(
      color: AppColors.transparent,
      child: InkWell(
        key: item.key,
        onTap: item.onTap,
        child: AppPressScale(
          child: Semantics(
            button: true,
            label: item.label,
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                _iconSurface(),
                const SizedBox(height: AppDimens.spaceSm),
                _label(),
              ],
            ),
          ),
        ),
      ),
    );
  }

  Widget _iconSurface() {
    return Container(
      key: item.iconSurfaceKey,
      width: AppDimens.mineGridIconSurface,
      height: AppDimens.mineGridIconSurface,
      decoration: BoxDecoration(
        gradient: const RadialGradient(
          center: Alignment(-0.35, -0.45),
          radius: 0.95,
          colors: [
            AppColors.mineOutline,
            AppColors.contentChip,
            AppColors.mineGridIconSurface,
          ],
        ),
        shape: BoxShape.circle,
        border: Border.all(color: AppColors.glassHairline),
        boxShadow: [
          const BoxShadow(
            color: AppColors.shadowSoft,
            blurRadius: AppDimens.spaceSm,
            offset: Offset(0, AppDimens.spaceXs),
          ),
          BoxShadow(
            color: AppColors.brandRed.withValues(alpha: 0.12),
            blurRadius: AppDimens.spaceSm,
          ),
        ],
      ),
      child: Icon(
        item.icon,
        color: AppColors.mineGridIconAccent,
        size: AppDimens.mineGridIcon,
      ),
    );
  }

  Widget _label() {
    return Text(
      item.label,
      maxLines: 2,
      overflow: TextOverflow.ellipsis,
      textAlign: TextAlign.center,
      style: const TextStyle(
        color: AppColors.mineGridLabel,
        fontSize: AppDimens.mineGridLabel,
        fontWeight: FontWeight.w500,
        height: AppDimens.mineGridLabelLineHeight,
      ),
    );
  }
}

class _MineVerticalDivider extends StatelessWidget {
  const _MineVerticalDivider();

  @override
  Widget build(BuildContext context) {
    return Container(
      width: AppDimens.mineGridHairline,
      color: AppColors.mineGridDivider,
    );
  }
}

class _MineHorizontalDivider extends StatelessWidget {
  const _MineHorizontalDivider();

  @override
  Widget build(BuildContext context) {
    return Container(
      height: AppDimens.mineGridHairline,
      color: AppColors.mineGridDivider,
    );
  }
}