package com.ruoyi.system.service.impl;

import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.system.domain.SysVisitorConfig;
import com.ruoyi.system.dto.SysVisitorConfigSaveRequest;
import com.ruoyi.system.mapper.SysVisitorConfigMapper;
import com.ruoyi.system.service.ISysVisitorConfigService;
import com.ruoyi.system.vo.PrintFieldOptionVO;
import com.ruoyi.system.vo.SysVisitorConfigVO;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;

/**
 * 访客系统配置服务实现
 *
 * @author ruoyi
 */
@Service
public class SysVisitorConfigServiceImpl implements ISysVisitorConfigService
{
    private static final List<String> DEFAULT_PRINT_FIELDS = Collections.unmodifiableList(
            Arrays.asList("visitorName", "idCard", "appointmentTimeRange", "interviewee"));

    private static final Map<String, String> PRINT_FIELD_LABELS;

    static
    {
        Map<String, String> labels = new LinkedHashMap<String, String>();
        labels.put("visitorName", "访客姓名");
        labels.put("idCard", "身份证号");
        labels.put("appointmentTimeRange", "预约时间范围");
        labels.put("interviewee", "被访者");
        labels.put("visitorFaceImage", "访客人脸图片");
        labels.put("registerNo", "登记编号");
        labels.put("plateNo", "车牌号");
        labels.put("visitReason", "来访事由");
        labels.put("visitArea", "访问区域");
        labels.put("receiverName", "接待人");
        labels.put("registerTime", "登记时间");
        PRINT_FIELD_LABELS = Collections.unmodifiableMap(labels);
    }

    @Autowired
    private SysVisitorConfigMapper visitorConfigMapper;

    @Override
    public SysVisitorConfigVO selectConfig()
    {
        return toVO(getCurrentOrDefault());
    }

    @Override
    public SysVisitorConfigVO saveConfig(SysVisitorConfigSaveRequest request, String username)
    {
        if (request == null)
        {
            throw new ServiceException("配置内容不能为空");
        }
        SysVisitorConfig current = visitorConfigMapper.selectCurrent();
        boolean insert = current == null;
        SysVisitorConfig config = insert ? buildDefaultConfig() : current;

        mergeConfig(config, request);
        if (insert)
        {
            config.setCreateBy(username);
            visitorConfigMapper.insertConfig(config);
        }
        else
        {
            config.setUpdateBy(username);
            visitorConfigMapper.updateConfig(config);
        }
        return selectConfig();
    }

    private void mergeConfig(SysVisitorConfig config, SysVisitorConfigSaveRequest request)
    {
        if (request.getOnsiteRegistrationEnabled() != null)
        {
            config.setOnsiteRegistrationEnabled(request.getOnsiteRegistrationEnabled());
        }
        if (request.getAppointmentRegistrationEnabled() != null)
        {
            config.setAppointmentRegistrationEnabled(request.getAppointmentRegistrationEnabled());
        }
        if (request.getRegisterReceiverConfirmEnabled() != null)
        {
            config.setRegisterReceiverConfirmEnabled(request.getRegisterReceiverConfirmEnabled());
        }
        if (request.getSignReceiverConfirmEnabled() != null)
        {
            config.setSignReceiverConfirmEnabled(request.getSignReceiverConfirmEnabled());
        }
        if (request.getFaceCompareEnabled() != null)
        {
            config.setFaceCompareEnabled(request.getFaceCompareEnabled());
        }
        if (request.getFaceCaptureEnabled() != null)
        {
            config.setFaceCaptureEnabled(request.getFaceCaptureEnabled());
        }
        if (request.getManualIdCardEnabled() != null)
        {
            config.setManualIdCardEnabled(request.getManualIdCardEnabled());
        }
        if (request.getPrintFields() != null)
        {
            config.setPrintFields(joinPrintFields(request.getPrintFields()));
        }
        if (request.getSystemName() != null)
        {
            String systemName = StringUtils.trim(request.getSystemName());
            if (StringUtils.isEmpty(systemName))
            {
                throw new ServiceException("系统名称不能为空");
            }
            config.setSystemName(systemName);
        }
        if (request.getLogoUrl() != null)
        {
            config.setLogoUrl(StringUtils.trim(request.getLogoUrl()));
        }
        if (request.getServiceProvider() != null)
        {
            config.setServiceProvider(StringUtils.trim(request.getServiceProvider()));
        }
        if (request.getSupportPhone() != null)
        {
            config.setSupportPhone(StringUtils.trim(request.getSupportPhone()));
        }
        if (request.getVisitorMachineEntryEnabled() != null)
        {
            config.setVisitorMachineEntryEnabled(request.getVisitorMachineEntryEnabled());
        }
    }

    private String joinPrintFields(List<String> printFields)
    {
        LinkedHashSet<String> fields = new LinkedHashSet<String>();
        for (String field : printFields)
        {
            String fieldCode = StringUtils.trim(field);
            if (StringUtils.isEmpty(fieldCode))
            {
                continue;
            }
            if (!PRINT_FIELD_LABELS.containsKey(fieldCode))
            {
                throw new ServiceException("不支持的打印字段：" + fieldCode);
            }
            if (!fields.add(fieldCode))
            {
                throw new ServiceException("打印字段不能重复：" + fieldCode);
            }
        }
        if (fields.isEmpty())
        {
            throw new ServiceException("打印凭条至少选择一个字段");
        }
        return String.join(",", fields);
    }

    private SysVisitorConfig getCurrentOrDefault()
    {
        SysVisitorConfig config = visitorConfigMapper.selectCurrent();
        return config == null ? buildDefaultConfig() : config;
    }

    private SysVisitorConfig buildDefaultConfig()
    {
        SysVisitorConfig config = new SysVisitorConfig();
        config.setOnsiteRegistrationEnabled(true);
        config.setAppointmentRegistrationEnabled(true);
        config.setRegisterReceiverConfirmEnabled(true);
        config.setSignReceiverConfirmEnabled(true);
        config.setFaceCompareEnabled(true);
        config.setFaceCaptureEnabled(true);
        config.setManualIdCardEnabled(true);
        config.setPrintFields(String.join(",", DEFAULT_PRINT_FIELDS));
        config.setSystemName("自主访客登记管理平台");
        config.setServiceProvider("XXX");
        config.setSupportPhone("XXX");
        config.setVisitorMachineEntryEnabled(true);
        return config;
    }

    private SysVisitorConfigVO toVO(SysVisitorConfig config)
    {
        SysVisitorConfigVO vo = new SysVisitorConfigVO();
        vo.setConfigId(config.getConfigId());
        vo.setOnsiteRegistrationEnabled(config.getOnsiteRegistrationEnabled());
        vo.setAppointmentRegistrationEnabled(config.getAppointmentRegistrationEnabled());
        vo.setRegisterReceiverConfirmEnabled(config.getRegisterReceiverConfirmEnabled());
        vo.setSignReceiverConfirmEnabled(config.getSignReceiverConfirmEnabled());
        vo.setFaceCompareEnabled(config.getFaceCompareEnabled());
        vo.setFaceCaptureEnabled(config.getFaceCaptureEnabled());
        vo.setManualIdCardEnabled(config.getManualIdCardEnabled());
        vo.setPrintFields(parsePrintFields(config.getPrintFields()));
        vo.setPrintFieldOptions(buildPrintFieldOptions());
        vo.setSystemName(config.getSystemName());
        vo.setLogoUrl(config.getLogoUrl());
        vo.setServiceProvider(config.getServiceProvider());
        vo.setSupportPhone(config.getSupportPhone());
        vo.setVisitorMachineEntryEnabled(config.getVisitorMachineEntryEnabled());
        return vo;
    }

    private List<String> parsePrintFields(String printFields)
    {
        List<String> fields = StringUtils.str2List(printFields, ",", true, true);
        return fields.isEmpty() ? DEFAULT_PRINT_FIELDS : fields;
    }

    private List<PrintFieldOptionVO> buildPrintFieldOptions()
    {
        List<PrintFieldOptionVO> options = new ArrayList<PrintFieldOptionVO>();
        for (Map.Entry<String, String> entry : PRINT_FIELD_LABELS.entrySet())
        {
            options.add(new PrintFieldOptionVO(entry.getKey(), entry.getValue()));
        }
        return options;
    }
}