package metadata

func SetMetadata(metadataChild map[string]interface{}, oldMetadata map[string]interface{}) (map[string]interface{}, error) {
	if oldMetadata != nil {
		for k, v := range metadataChild {
			switch val := v.(type) {
			case map[string]interface{}:
				kValue, kEx := oldMetadata[k]
				var oldResourceMetadataData map[string]interface{}
				if kEx {
					oldResourceMetadataData = kValue.(map[string]interface{})
				} else {
					oldResourceMetadataData = make(map[string]interface{}, len(val))
				}
				for key1, val1 := range val {
					oldResourceMetadataData[key1] = val1
				}
				oldMetadata[k] = oldResourceMetadataData
			default:
				oldMetadata[k] = val
			}
		}
		return oldMetadata, nil
	} else {
		var oldMetadata = make(map[string]interface{}, len(metadataChild))
		for k, v := range metadataChild {
			switch val := v.(type) {
			case map[string]interface{}:
				kValue, kEx := oldMetadata[k]
				var oldResourceMetadataData map[string]interface{}
				if kEx {
					oldResourceMetadataData = kValue.(map[string]interface{})
				} else {
					oldResourceMetadataData = make(map[string]interface{}, len(val))
				}
				for key, val1 := range val {
					oldResourceMetadataData[key] = val1
				}
				oldMetadata[k] = oldResourceMetadataData
			default:
				oldMetadata[k] = val
			}
		}
		return oldMetadata, nil
	}
}