package org.yeshi.utils.generater.vo.admin.controller;

import org.springframework.data.annotation.Transient;
import org.yeshi.utils.generater.entity.ClassInfo;
import org.yeshi.utils.generater.entity.ColumnData;

import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;

/**
 * @author hxh
 * @title: AdminVO
 * @description: TODO
 * @date 2022/4/7 18:24
 */
public class AdminVOVO {

    private String name;
    private String packageName;
    private ClassInfo entity;
    private List<ColumnData> columns;

    public static class Builder {
        private Class entity;
        private String packageName;

        public Builder setEntity(Class entity) {
            this.entity = entity;
            return this;
        }

        public Builder setPackageName(String packageName) {
            this.packageName = packageName;
            return this;
        }

        public AdminVOVO build() throws Exception {
            if (entity == null) {
                throw new Exception("entity不能为空");
            }
            if (packageName == null) {
                throw new Exception("packageName不能为空");
            }
            AdminVOVO vo = new AdminVOVO();
            vo.setEntity(ClassInfo.create(entity));
            vo.setName(entity.getSimpleName() + "AdminVO");
            vo.setPackageName(packageName);
            List<ColumnData> columnList = new ArrayList<>();
            Field[] fields = entity.getDeclaredFields();
            for (Field fd : fields) {
                //private/public 非final，static属性才会参与解析
                if (fd.getModifiers() != 1 && fd.getModifiers() != 2) {
                    continue;
                }
                boolean valid = true;

                Annotation[] as = fd.getAnnotations();
                for (Annotation a : as) {
                    //不参与解析
                    if (a instanceof Transient || a instanceof java.beans.Transient) {
                        valid = false;
                        break;
                    }
                }
                if (!valid) {
                    continue;
                }

                String property = fd.getName();

                if(property.equalsIgnoreCase("createTime")||property.equalsIgnoreCase("updateTime")){
                    continue;
                }

                String type = fd.getType().getSimpleName();
                ColumnData columnData = new ColumnData(property, type);
                columnList.add(columnData);
            }
            vo.setColumns(columnList);
            return vo;
        }

    }


    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getPackageName() {
        return packageName;
    }

    public void setPackageName(String packageName) {
        this.packageName = packageName;
    }

    public ClassInfo getEntity() {
        return entity;
    }

    public void setEntity(ClassInfo entity) {
        this.entity = entity;
    }

    public List<ColumnData> getColumns() {
        return columns;
    }

    public void setColumns(List<ColumnData> columns) {
        this.columns = columns;
    }
}