package task_management

import (
	"adm-management/errors"
	"adm-management/model"
	v1 "adm-management/pb/v1"

	"context"

	"encoding/json"
	"fmt"

	"git.getensh.com/common/gopkgsv2/database"
	"git.getensh.com/common/gopkgsv2/logger"
	"go.uber.org/zap"
	"google.golang.org/grpc/status"
	"gorm.io/gorm"
)

func Dependency(ctx context.Context, req *v1.DependencyRequest) (reply *v1.DependencyReply, err error) {
	defer func() {
		if r := recover(); r != nil {
			err = fmt.Errorf("%+v", r)
			e := &status.Status{}
			if er := json.Unmarshal([]byte(err.Error()), e); er != nil {
				logger.Error("err",
					zap.String("system_err", err.Error()),
					zap.Stack("stacktrace"))
			}
		}
	}()

	// 源表
	if req.Type == 1 {
		reply = &v1.DependencyReply{}
		db := database.DB()
		dependencyInfo := []model.DependencyInfo{}
		err = db.Raw("SELECT * FROM t_adm_task_data_relation as t1 LEFT JOIN `t_adm_data_management` as t2 on t1.source_code=t2.source_code where t1.task_id= ?", req.TaskId).Find(&dependencyInfo).Error
		if err != nil {
			if err == gorm.ErrRecordNotFound {
				return reply, nil
			}
			return reply, errors.SystemError
		}

		for _, v := range dependencyInfo {
			reply.List = append(reply.List, &v1.Dependency{
				TableName: v.TableName,
				Desc:      v.Desc,
			})
		}

		return reply, nil
	}

	// 依赖表
	if req.Type == 2 {
		reply = &v1.DependencyReply{}
		db := database.DB()
		dependencyInfo := []model.DependencyInfo{}
		err = db.Raw("SELECT * FROM t_adm_task_dependency as t1 LEFT JOIN `t_adm_data_management` as t2 on t1.source_code=t2.source_code where t1.task_id= ?", req.TaskId).Find(&dependencyInfo).Error
		if err != nil {
			if err == gorm.ErrRecordNotFound {
				return reply, nil
			}
			return reply, errors.SystemError
		}

		for _, v := range dependencyInfo {
			reply.List = append(reply.List, &v1.Dependency{
				TableName: v.TableName,
				Desc:      v.Desc,
			})
		}

		return reply, nil
	}

	return reply, nil

}