ChickenFarm/UI/CF.APP/chicken_farm/lib/pages/breeding/individual_culling_page.dart

import 'package:chicken_farm/apis/index.dart';
import 'package:chicken_farm/core/utils/datetime_util.dart';
import 'package:flutter/material.dart';
import 'package:chicken_farm/components/vb_app_bar.dart';
import 'package:chicken_farm/components/vb_dict_select.dart';
import 'package:chicken_farm/core/utils/toast.dart';
import 'package:chicken_farm/components/vb_electronic_id_field.dart';

class IndividualCullingPage extends StatefulWidget {
  const IndividualCullingPage({super.key});

  @override
  State<IndividualCullingPage> createState() => _IndividualCullingPageState();
}

class _IndividualCullingPageState extends State<IndividualCullingPage> {
  String? _electronicId;
  String? _cullReason;
  String? _disposalMethod;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: const VberAppBar(title: '个体淘汰', showLeftButton: true),
      body: SingleChildScrollView(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            // 电子编号区域
            _buildElectronicIdSection(),
            const SizedBox(height: 20),
            // 淘汰原因
            _buildCullReasonSection(),
            const SizedBox(height: 20),
            // 处置方式
            _buildDisposalMethodSection(),
            const SizedBox(height: 30),
            // 提交按钮
            SizedBox(
              width: double.infinity,
              child: ElevatedButton(
                onPressed:
                    _electronicId != null &&
                        _cullReason != null &&
                        _disposalMethod != null
                    ? _handleSubmit
                    : null,
                style: ElevatedButton.styleFrom(
                  backgroundColor:
                      _electronicId != null &&
                          _cullReason != null &&
                          _disposalMethod != null
                      ? Colors.blue
                      : Colors.grey,
                  foregroundColor: Colors.white,
                ),
                child: const Text('提交'),
              ),
            ),
          ],
        ),
      ),
    );
  }

  Widget _buildElectronicIdSection() {
    return VberElectronicIdsField(
      electronicId: _electronicId,
      onIdScanned: (id) {
        if (id == _electronicId) {
          ScaffoldMessenger.of(context).showSnackBar(
            const SnackBar(
              content: Text('电子编号未改变'),
              backgroundColor: Colors.orange,
            ),
          );
        } else {
          setState(() {
            _electronicId = id;
          });
          // ToastUtil.success('电子编号识别成功');
          ScaffoldMessenger.of(context).showSnackBar(
            const SnackBar(
              content: Text('成功识别新的电子编号'),
              backgroundColor: Colors.green,
            ),
          );
        }
      },
      label: '电子编号',
      placeholder: '未识别',
    );
  }

  Widget _buildCullReasonSection() {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        const Text('淘汰原因', style: TextStyle(fontWeight: FontWeight.bold)),
        const SizedBox(height: 10),
        Container(
          padding: const EdgeInsets.fromLTRB(16, 2, 16, 2),
          decoration: BoxDecoration(
            border: Border.all(color: Colors.grey),
            borderRadius: BorderRadius.circular(8),
          ),
          child: VberDictSelect(
            dictType: 'chicken_cull_reason',
            value: _cullReason,
            onChanged: (value) {
              setState(() {
                _cullReason = value;
              });
            },
            hint: '请选择淘汰原因',
            hideUnderline: true,
          ),
        ),
      ],
    );
  }

  Widget _buildDisposalMethodSection() {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        const Text('处置方式', style: TextStyle(fontWeight: FontWeight.bold)),
        const SizedBox(height: 10),
        Container(
          padding: const EdgeInsets.fromLTRB(16, 2, 16, 2),
          decoration: BoxDecoration(
            border: Border.all(color: Colors.grey),
            borderRadius: BorderRadius.circular(8),
          ),
          child: VberDictSelect(
            dictType: 'chicken_disposal_method',
            value: _disposalMethod,
            onChanged: (value) {
              setState(() {
                _disposalMethod = value;
              });
            },
            hint: '请选择处置方式',
            hideUnderline: true,
          ),
        ),
      ],
    );
  }

  // 提交数据
  void _handleSubmit() {
    final data = {
      "electronicId": _electronicId,
      "cullReason": _cullReason,
      "disposalMethod": _disposalMethod,
      'date': DateTimeUtil.format(DateTime.now()),
    };
    apis.breeding.submitApi.cull(data).then((res) {
      if (res.success) {
        ToastUtil.success(res.message.isNotEmpty ? res.message : '淘汰提交成功');
        if (mounted) {
          // 提交后重置表单
          setState(() {
            _electronicId = null;
            // _cullReason = null;
            // _disposalMethod = null;
          });
        }
      } else {
        ToastUtil.errorAlert(res.message.isNotEmpty ? res.message : '淘汰提交失败');
      }
    });
  }
}