package com.engine.salary.elog.entity.dto;

import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;

/**
 * @ClassName: TableColumnBean
 * @Description 表字段类
 * @Author tanghj
 * @Date 2021/3/12 11:44
 */
@ApiModel("表字段类")
public class TableColumnBean {

    @ApiModelProperty("列名")
    private String columnName;

    /**
     * varchar(20)
     */
    @ApiModelProperty("数据类型")
    private String columnType;

    @ApiModelProperty("字段类型-字符串")
    private String dataTypeStr;

    @ApiModelProperty("字段类型")
    private DataTypeEnum dataType;

    @ApiModelProperty("长度")
    private long fieldLength;

    @ApiModelProperty("是否为空")
    private boolean isNullable;

    @ApiModelProperty("是否为空-字符串")
    private String isNullableStr;

    @ApiModelProperty("默认值")
    private Object columnDefault;

    @ApiModelProperty("备注")
    private String columnComment;

    public String getColumnName() {
        return columnName;
    }

    public void setColumnName(String columnName) {
        this.columnName = columnName;
    }

    public String getColumnType() {
        return columnType;
    }

    public void setColumnType(String columnType) {
        this.columnType = columnType;
    }

    public DataTypeEnum getDataType() {
        return dataType;
    }

    public void setDataType(DataTypeEnum dataType) {
        this.dataType = dataType;
    }

    public long getFieldLength() {
        return fieldLength;
    }

    public void setFieldLength(long fieldLength) {
        this.fieldLength = fieldLength;
    }

    public boolean isNullable() {
        return isNullable;
    }

    public void setNullable(boolean nullable) {
        isNullable = nullable;
    }

    public Object getColumnDefault() {
        return columnDefault;
    }

    public void setColumnDefault(Object columnDefault) {
        this.columnDefault = columnDefault;
    }

    public String getColumnComment() {
        return columnComment;
    }

    public void setColumnComment(String columnComment) {
        this.columnComment = columnComment;
    }

    public String getDataTypeStr() {
        return dataTypeStr;
    }

    public void setDataTypeStr(String dataTypeStr) {
        this.dataTypeStr = dataTypeStr;
    }

    public String getIsNullableStr() {
        return isNullableStr;
    }

    public void setIsNullableStr(String isNullableStr) {
        this.isNullableStr = isNullableStr;
    }

    public boolean equals(TableColumnBean tableColumnBean) {

        return this.toSql().equals(tableColumnBean.toSql());
    }

    public String toSql() {

        StringBuilder sb = new StringBuilder(this.columnName.toLowerCase()).append(" ");

        if (this.dataType == null) {
            return "类型为空";
        }
        switch (this.dataType) {
            case BIGINT:
            case INT:
            case TEXT:
            case LONGTEXT:
            case DATETIME:
            case FLOAT:
            case TINYINT:
            case DOUBLE:
                sb.append(this.dataType.name().toLowerCase()).append(" ");
                break;
            case VARCHAR:
                sb.append(this.dataType.name().toLowerCase()).append("(").append(this.fieldLength).append(") ");
                break;
            case DECIMAL:
                long length = (this.fieldLength < 0 || this.fieldLength > 38) ? 0 : this.fieldLength;
                sb.append(this.dataType.name().toLowerCase()).append("(").append(38 - length).append(",").append(length).append(") ");
                break;
            default:
                sb.append("varchar").append("(").append(10).append(") ");
        }

        sb.append("comment ").append("'").append(this.columnComment).append("' ");

        return sb.toString();
    }
}