package com.zy.asrs.wms.asrs.mapper;

import com.zy.asrs.wms.asrs.entity.MatField;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.SelectProvider;
import org.springframework.stereotype.Repository;

import java.util.List;
import java.util.Map;

@Mapper
@Repository
public interface MatFieldMapper extends BaseMapper<MatField> {

    @SelectProvider(type = SqlProvider.class, method = "createViewSql")
    void createView(@Param("list") List<MatField> list);

    @SelectProvider(type = SqlProvider.class, method = "createLocDetlView")
    void createLocDetlView();

    @SelectProvider(type = SqlProvider.class, method = "createTaskDetlFieldSql")
    void createTaskDetlFieldView(@Param("list") List<MatField> list);

    @SelectProvider(type = SqlProvider.class, method = "createViewTaskDetlSql")
    void createViewTaskDetlView();

    @SelectProvider(type = SqlProvider.class, method = "createOrderDetlFieldSql")
    void createOrderDetlFieldView(@Param("list") List<MatField> list);

    @SelectProvider(type = SqlProvider.class, method = "createViewOrderDetlSql")
    void createViewOrderDetlView();

    class SqlProvider {
        public String createViewSql(Map<String, Object> params) {
            List<MatField> list = (List<MatField>) params.get("list");
            StringBuilder sql = new StringBuilder();

            sql.append(" CREATE OR REPLACE VIEW view_man_loc_detl_field AS \n");
            sql.append(" SELECT detl_id ");
            for (MatField matField : list) {
                sql.append(", MAX(CASE WHEN name = '").append(matField.getName()).append("' THEN value END) AS ").append(matField.getName());
            }
            sql.append(" FROM man_loc_detl_field ");
            sql.append(" GROUP BY detl_id ");

            return sql.toString();
        }

        public String createLocDetlView() {
            StringBuilder sql = new StringBuilder();

            sql.append(" CREATE OR REPLACE VIEW view_man_loc_detl AS \n");
            sql.append(" select * from man_loc_detl ld ");
            sql.append(" left join view_man_loc_detl_field ldf ");
            sql.append(" on ld.id = ldf.detl_id ");

            return sql.toString();
        }

        public String createTaskDetlFieldSql(Map<String, Object> params) {
            List<MatField> list = (List<MatField>) params.get("list");
            StringBuilder sql = new StringBuilder();

            sql.append(" CREATE OR REPLACE VIEW view_man_task_detl_field AS \n");
            sql.append(" SELECT detl_id as _detl_id ");
            for (MatField matField : list) {
                sql.append(", MAX(CASE WHEN name = '").append(matField.getName()).append("' THEN value END) AS ").append(matField.getName());
            }
            sql.append(" FROM man_task_detl_field ");
            sql.append(" GROUP BY _detl_id ");

            return sql.toString();
        }

        public String createViewTaskDetlSql() {
            StringBuilder sql = new StringBuilder();

            sql.append(" CREATE OR REPLACE VIEW view_man_task_detl AS \n");
            sql.append(" select * from man_task_detl td ");
            sql.append(" left join view_man_task_detl_field tdf ");
            sql.append(" on td.id = tdf._detl_id ");

            return sql.toString();
        }

        public String createOrderDetlFieldSql(Map<String, Object> params) {
            List<MatField> list = (List<MatField>) params.get("list");
            StringBuilder sql = new StringBuilder();

            sql.append(" CREATE OR REPLACE VIEW view_man_order_detl_field AS \n");
            sql.append(" SELECT detl_id as _detl_id ");
            for (MatField matField : list) {
                sql.append(", MAX(CASE WHEN name = '").append(matField.getName()).append("' THEN value END) AS ").append(matField.getName());
            }
            sql.append(" FROM man_order_detl_field ");
            sql.append(" GROUP BY _detl_id ");

            return sql.toString();
        }

        public String createViewOrderDetlSql() {
            StringBuilder sql = new StringBuilder();

            sql.append(" CREATE OR REPLACE VIEW view_man_order_detl AS \n");
            sql.append(" select * from man_order_detl od ");
            sql.append(" left join view_man_order_detl_field odf ");
            sql.append(" on od.id = odf._detl_id ");

            return sql.toString();
        }
    }

}