package diagram

import (
	"errors"
	"fmt"
	"sync"
)

// anchorValueOverview define struct of storage all anchor value
var anchorValueOverview sync.Map

// GetAnchorValue define func of get circuit diagram data by componentID
func GetAnchorValue(componentID int64) (string, error) {
	value, ok := diagramsOverview.Load(componentID)
	if !ok {
		return "", fmt.Errorf("can not find anchor value by componentID:%d", componentID)
	}
	anchorValue, ok := value.(string)
	if !ok {
		return "", errors.New("convert to string failed")
	}
	return anchorValue, nil
}

// UpdateAnchorValue define func of update anchor value by componentID and anchor name
func UpdateAnchorValue(componentID int64, anchorValue string) bool {
	_, result := anchorValueOverview.Swap(componentID, anchorValue)
	return result
}

// StoreAnchorValue define func of store anchor value with componentID and anchor name
func StoreAnchorValue(componentID int64, anchorValue string) {
	anchorValueOverview.Store(componentID, anchorValue)
	return
}

// DeleteAnchorValue define func of delete anchor value with componentID
func DeleteAnchorValue(componentID int64) {
	anchorValueOverview.Delete(componentID)
	return
}