import 'package:flutter/material.dart';
import 'package:skeletonizer/skeletonizer.dart';
import '../../core/theme/app_colors_extension.dart';

/// 骨架占位卡片容器（列表加载态）
class SkeletonLoadingList extends StatelessWidget {
  final int cardCount;
  final Widget Function() cardBuilder;
  final EdgeInsetsGeometry padding;

  const SkeletonLoadingList({
    super.key,
    this.cardCount = 5,
    this.cardBuilder = _defaultBuilder,
    this.padding = const EdgeInsets.fromLTRB(16, 16, 16, 24),
  });

  static Widget _defaultBuilder() => const SkeletonListCard();

  @override
  Widget build(BuildContext context) {
    return SingleChildScrollView(
      padding: padding,
      child: Skeletonizer(
        enabled: true,
        child: Column(
          children: List.generate(
            cardCount,
            (_) => Padding(
              padding: const EdgeInsets.only(bottom: 16),
              child: cardBuilder(),
            ),
          ),
        ),
      ),
    );
  }
}

/// 匹配 ListCard 的骨架占位
class SkeletonListCard extends StatelessWidget {
  const SkeletonListCard({super.key});

  @override
  Widget build(BuildContext context) {
    final colors = Theme.of(context).extension<AppColorsExtension>()!;
    return Skeletonizer(
      enabled: true,
      child: Container(
        padding: const EdgeInsets.all(12),
        decoration: BoxDecoration(
          color: colors.bgCard,
          borderRadius: BorderRadius.circular(8),
        ),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                Bone.text(width: 120),
                Bone.text(width: 80),
              ],
            ),
            SizedBox(height: 6),
            Bone.text(width: 140),
            SizedBox(height: 6),
            Bone.text(),
            SizedBox(height: 8),
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                Bone.text(width: 100),
                Bone(width: 48, height: 20, borderRadius: BorderRadius.circular(4)),
              ],
            ),
          ],
        ),
      ),
    );
  }
}

/// 匹配车辆列表卡片的骨架占位
class SkeletonVehicleCard extends StatelessWidget {
  const SkeletonVehicleCard({super.key});

  @override
  Widget build(BuildContext context) {
    final colors = Theme.of(context).extension<AppColorsExtension>()!;
    return Skeletonizer(
      enabled: true,
      child: Container(
        padding: const EdgeInsets.all(12),
        decoration: BoxDecoration(
          color: colors.bgCard,
          borderRadius: BorderRadius.circular(8),
        ),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                Bone.text(width: 100),
                Bone(width: 48, height: 20, borderRadius: BorderRadius.circular(4)),
              ],
            ),
            SizedBox(height: 6),
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                Bone.text(width: 140),
                Bone(width: 40, height: 16, borderRadius: BorderRadius.circular(4)),
              ],
            ),
            SizedBox(height: 6),
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                Expanded(child: Bone.text()),
                const SizedBox(width: 8),
                Bone.text(width: 120),
              ],
            ),
          ],
        ),
      ),
    );
  }
}

/// 匹配外勤日志卡片的骨架占位
class SkeletonOutingLogCard extends StatelessWidget {
  const SkeletonOutingLogCard({super.key});

  @override
  Widget build(BuildContext context) {
    final colors = Theme.of(context).extension<AppColorsExtension>()!;
    return Skeletonizer(
      enabled: true,
      child: Container(
        padding: const EdgeInsets.all(12),
        decoration: BoxDecoration(
          color: colors.bgCard,
          borderRadius: BorderRadius.circular(8),
        ),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Bone.text(width: 100),
            SizedBox(height: 4),
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                Expanded(flex: 3, child: Bone.text()),
                const SizedBox(width: 8),
                Bone(width: 48, height: 20, borderRadius: BorderRadius.circular(4)),
              ],
            ),
            SizedBox(height: 4),
            Bone.text(),
            SizedBox(height: 4),
            Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                Expanded(flex: 2, child: Bone.text()),
                const SizedBox(width: 8),
                Bone.text(width: 80),
              ],
            ),
          ],
        ),
      ),
    );
  }
}

/// 匹配公告卡片的骨架占位
class SkeletonAnnouncementCard extends StatelessWidget {
  const SkeletonAnnouncementCard({super.key});

  @override
  Widget build(BuildContext context) {
    final colors = Theme.of(context).extension<AppColorsExtension>()!;
    return Skeletonizer(
      enabled: true,
      child: Container(
        padding: const EdgeInsets.all(12),
        decoration: BoxDecoration(
          color: colors.bgCard,
          borderRadius: BorderRadius.circular(8),
        ),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Bone.text(),
            SizedBox(height: 8),
            Row(
              children: [
                Bone(width: 56, height: 20, borderRadius: BorderRadius.circular(4)),
                const SizedBox(width: 8),
                Bone.text(width: 60),
                const Spacer(),
                Bone.text(width: 120),
              ],
            ),
          ],
        ),
      ),
    );
  }
}

/// 匹配费用申请导入列表卡片的骨架占位
class SkeletonImportCard extends StatelessWidget {
  const SkeletonImportCard({super.key});

  @override
  Widget build(BuildContext context) {
    final colors = Theme.of(context).extension<AppColorsExtension>()!;
    return Skeletonizer(
      enabled: true,
      child: Container(
        padding: const EdgeInsets.fromLTRB(16, 12, 16, 8),
        decoration: BoxDecoration(
          color: colors.bgCard,
          borderRadius: BorderRadius.circular(12),
        ),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Row(
              children: [
                Bone.square(size: 22, borderRadius: BorderRadius.circular(4)),
                const SizedBox(width: 8),
                Expanded(flex: 3, child: Bone.text()),
                const Spacer(),
                Bone.text(width: 80),
              ],
            ),
            SizedBox(height: 8),
            Row(children: [const SizedBox(width: 30), Bone.text(width: 140)]),
            SizedBox(height: 8),
            Row(
              children: [
                Bone.square(size: 18, borderRadius: BorderRadius.circular(4)),
                const SizedBox(width: 4),
                Bone.text(width: 24),
                const SizedBox(width: 8),
                Expanded(flex: 3, child: Bone.text()),
                const Spacer(),
                Bone.text(width: 64),
              ],
            ),
            SizedBox(height: 8),
            Row(children: [const SizedBox(width: 54), Expanded(flex: 2, child: Bone.text())]),
          ],
        ),
      ),
    );
  }
}

/// 匹配消息卡片的骨架占位
class SkeletonMessageCard extends StatelessWidget {
  const SkeletonMessageCard({super.key});

  @override
  Widget build(BuildContext context) {
    final colors = Theme.of(context).extension<AppColorsExtension>()!;
    return Skeletonizer(
      enabled: true,
      child: Container(
        height: 88,
        padding: const EdgeInsets.all(12),
        decoration: BoxDecoration(
          color: colors.bgCard,
          borderRadius: BorderRadius.circular(8),
        ),
        child: Row(
          children: [
            Bone.circle(size: 40),
            SizedBox(width: 12),
            Expanded(
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Row(
                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
                    children: [
                      Expanded(flex: 3, child: Bone.text()),
                      const Spacer(),
                      Bone.text(width: 80),
                    ],
                  ),
                  SizedBox(height: 2),
                  Bone.text(width: 80),
                  SizedBox(height: 2),
                  Expanded(flex: 2, child: Bone.text()),
                ],
              ),
            ),
            SizedBox(width: 12),
            Bone(width: 8, height: 8, borderRadius: BorderRadius.circular(4)),
          ],
        ),
      ),
    );
  }
}