import 'package:flutter/material.dart';
import './person_model.dart';
import 'package:url_launcher/url_launcher.dart'; // 用於撥打電話和發送郵件

class PersonDetail extends StatelessWidget {
  final Person person;

  const PersonDetail({required this.person, super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(person.personCName ?? '人員詳細資訊'),
      ),
      body: SingleChildScrollView(
        padding: const EdgeInsets.all(20.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.center,
          children: <Widget>[
            // 姓名與職稱
            CircleAvatar(
              radius: 50,
              backgroundColor: person.sexColor.withOpacity(0.2),
              child: Icon(person.sexIcon, size: 60, color: person.sexColor),
            ),
            const SizedBox(height: 10),
            Text(
              person.personCName ?? 'N/A',
              style: const TextStyle(fontSize: 28.0, fontWeight: FontWeight.bold, color: Colors.black87),
            ),
            Text(
              person.jobName ?? 'N/A',
              style: const TextStyle(fontSize: 18.0, color: Colors.black54),
            ),
            const Divider(height: 30.0, thickness: 1),

            // 聯絡資訊列表
            _buildInfoTile(
              Icons.badge,
              '工號 / ID',
              person.personId,
            ),
            _buildInfoTile(
              Icons.business,
              '部門代號',
              person.departmentId ?? 'N/A',
            ),
            _buildActionTile(
              context,
              Icons.phone,
              '公司電話',
              person.tel ?? 'N/A',
              person.tel,
              'tel:',
            ),
            _buildActionTile(
              context,
              Icons.smartphone,
              '手機號碼',
              person.cellphone ?? 'N/A',
              person.cellphone,
              'tel:',
            ),
            _buildActionTile(
              context,
              Icons.email,
              '電子郵件',
              person.email ?? 'N/A',
              person.email,
              'mailto:',
            ),
          ],
        ),
      ),
    );
  }

  // 靜態資訊欄位
  Widget _buildInfoTile(IconData icon, String label, String value) {
    return Padding(
      padding: const EdgeInsets.symmetric(vertical: 8.0),
      child: Row(
        children: [
          Icon(icon, color: Colors.grey[700], size: 24),
          const SizedBox(width: 15),
          Expanded(
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Text(
                  label,
                  style: const TextStyle(fontSize: 14, color: Colors.grey),
                ),
                Text(
                  value,
                  style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w500),
                ),
              ],
            ),
          ),
        ],
      ),
    );
  }

  // 可操作（點擊撥號/發送郵件）的欄位
  Widget _buildActionTile(
      BuildContext context, IconData icon, String label, String displayValue,
      String? actionValue, String protocol) {
    final canLaunch = actionValue != null && actionValue.isNotEmpty;

    Future<void> _launchUrl() async {
      if (canLaunch) {
        final uri = Uri.parse('$protocol$actionValue');
        if (!await launchUrl(uri)) {
          ScaffoldMessenger.of(context).showSnackBar(
            SnackBar(content: Text('無法打開 $displayValue')),
          );
        }
      }
    }

    return Padding(
      padding: const EdgeInsets.symmetric(vertical: 8.0),
      child: InkWell(
        onTap: canLaunch ? _launchUrl : null,
        child: Row(
          children: [
            Icon(icon, color: canLaunch ? Colors.deepPurple : Colors.grey[700], size: 24),
            const SizedBox(width: 15),
            Expanded(
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Text(
                    label,
                    style: const TextStyle(fontSize: 14, color: Colors.grey),
                  ),
                  Text(
                    displayValue,
                    style: TextStyle(
                      fontSize: 16,
                      fontWeight: FontWeight.w500,
                      color: canLaunch ? Colors.deepPurple : Colors.black,
                      decoration: canLaunch ? TextDecoration.underline : TextDecoration.none,
                    ),
                  ),
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }
}