package sop_task

import (
	"context"
	"github.com/suyuan32/simple-admin-common/msg/errormsg"
	"wechat-api/ent"
	"wechat-api/ent/sopnode"
	"wechat-api/ent/soptask"
	"wechat-api/internal/svc"
	"wechat-api/internal/types"
	"wechat-api/internal/utils/dberrorhandler"

	"github.com/zeromicro/go-zero/core/logx"
)

type SopTaskCopyLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

func NewSopTaskCopyLogic(ctx context.Context, svcCtx *svc.ServiceContext) *SopTaskCopyLogic {
	return &SopTaskCopyLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx}
}

func (l *SopTaskCopyLogic) SopTaskCopy(req *types.CopyReq) (resp *types.BaseMsgResp, err error) {
	isAdmin := l.ctx.Value("isAdmin").(bool)
	organizationId := l.ctx.Value("organizationId").(uint64)

	var targetOrganizationId uint64
	if isAdmin {
		if req.OrganizationId == 0 {
			targetOrganizationId = organizationId
		} else {
			targetOrganizationId = req.OrganizationId
		}
	} else {
		targetOrganizationId = organizationId
	}

	data, err := l.svcCtx.DB.SopTask.Query().
		Where(soptask.ID(req.Id), soptask.OrganizationIDEQ(organizationId)).
		WithTaskStages().
		Only(l.ctx)
	if err != nil {
		return nil, dberrorhandler.DefaultEntError(l.Logger, err, req)
	}

	// 开始事务
	tx, err := l.svcCtx.DB.Tx(context.Background())
	if err != nil {
		return nil, dberrorhandler.DefaultEntError(l.Logger, err, req)
	}

	newTask, err := tx.SopTask.Create().
		SetName(*req.Name).
		SetType(data.Type).
		SetOrganizationID(targetOrganizationId).
		Save(l.ctx)
	if err != nil {
		_ = tx.Rollback()
		return nil, dberrorhandler.DefaultEntError(l.Logger, err, req)
	}

	for _, s := range data.Edges.TaskStages {
		newStage, err := tx.SopStage.Create().
			SetTaskID(newTask.ID).
			SetName(s.Name).
			SetConditionType(s.ConditionType).
			SetConditionOperator(s.ConditionOperator).
			SetConditionList(s.ConditionList).
			SetNotNilActionMessage(s.ActionMessage).
			SetNotNilActionLabel(s.ActionLabel).
			SetIndexSort(s.IndexSort).
			Save(l.ctx)
		if err != nil {
			_ = tx.Rollback()
			return nil, dberrorhandler.DefaultEntError(l.Logger, err, req)
		}
		err = CreateNodes(tx, s.ID, 0, newStage.ID, 0, l.ctx, l.Logger)
		if err != nil {
			_ = tx.Rollback()
			return nil, dberrorhandler.DefaultEntError(l.Logger, err, req)
		}
	}

	// 所有操作成功，提交事务
	err = tx.Commit()
	if err != nil {
		return nil, dberrorhandler.DefaultEntError(l.Logger, err, req)
	}

	return &types.BaseMsgResp{Msg: errormsg.CreateSuccess}, nil
}

func CreateNodes(tx *ent.Tx, stageId uint64, parentId uint64, newStageId uint64, newParentId uint64, ctx context.Context, logger logx.Logger) (err error) {
	data, err := tx.SopNode.Query().
		Where(sopnode.StageID(stageId), sopnode.ParentID(parentId)).All(ctx)
	if err != nil {
		return nil
	}

	for _, n := range data {
		newNode, err := tx.SopNode.Create().
			SetStageID(newStageId).
			SetParentID(newParentId).
			SetName(n.Name).
			SetConditionType(n.ConditionType).
			SetConditionList(n.ConditionList).
			SetNotNilNoReplyCondition(&n.NoReplyCondition).
			SetNotNilActionMessage(n.ActionMessage).
			SetNotNilActionLabel(n.ActionLabel).
			Save(ctx)
		if err != nil {
			return err
		}
		err = CreateNodes(tx, stageId, n.ID, newStageId, newNode.ID, ctx, logger)
		if err != nil {
			return err
		}
	}
	return nil
}