// Package constants define constant variable
package constants

const (
	// RedisAllGridSetKey define redis set key which store all grid keys
	RedisAllGridSetKey = "grid_keys"

	// RedisAllZoneSetKey define redis set key which store all zone keys
	RedisAllZoneSetKey = "zone_keys"

	// RedisAllStationSetKey define redis set key which store all station keys
	RedisAllStationSetKey = "station_keys"

	// RedisAllCompNSPathSetKey define redis set key which store all component nspath keys
	RedisAllCompNSPathSetKey = "component_nspath_keys"

	// RedisAllCompTagSetKey define redis set key which store all component tag keys
	RedisAllCompTagSetKey = "component_tag_keys"

	// RedisAllConfigSetKey define redis set key which store all config keys
	RedisAllConfigSetKey = "config_keys"

	// RedisAllMeasTagSetKey define redis set key which store all measurement tag keys
	RedisAllMeasTagSetKey = "measurement_tag_keys"

	// RedisSpecGridZoneSetKey define redis set key which store all zone keys under specific grid
	RedisSpecGridZoneSetKey = "%s_zones_keys"

	// RedisSpecZoneStationSetKey define redis set key which store all station keys under specific zone
	RedisSpecZoneStationSetKey = "%s_stations_keys"

	// RedisSpecStationCompNSPATHSetKey define redis set key which store all component nspath keys under specific station
	RedisSpecStationCompNSPATHSetKey = "%s_components_nspath_keys"

	// RedisSpecStationCompTagSetKey define redis set key which store all component tag keys under specific station
	RedisSpecStationCompTagSetKey = "%s_components_tag_keys"

	// RedisSpecCompTagMeasSetKey define redis set key which store all measurement keys under specific component tag
	RedisSpecCompTagMeasSetKey = "%s_measurement_keys"
)

const (
	// SearchLinkAddAction define search link add action
	SearchLinkAddAction = "add"
	// SearchLinkDelAction define search link del action
	SearchLinkDelAction = "del"
)

// RecommendHierarchyType define the hierarchy levels used for redis recommend search
type RecommendHierarchyType int

const (
	// GridRecommendHierarchyType define grid hierarch for redis recommend search
	GridRecommendHierarchyType RecommendHierarchyType = iota + 1
	// ZoneRecommendHierarchyType define zone hierarch for redis recommend search
	ZoneRecommendHierarchyType
	// StationRecommendHierarchyType define station hierarch for redis recommend search
	StationRecommendHierarchyType
	// CompNSPathRecommendHierarchyType define component nspath hierarch for redis recommend search
	CompNSPathRecommendHierarchyType
	// CompTagRecommendHierarchyType define component tag hierarch for redis recommend search
	CompTagRecommendHierarchyType
	// ConfigRecommendHierarchyType define config hierarch for redis recommend search
	ConfigRecommendHierarchyType
	// MeasTagRecommendHierarchyType define measurement tag hierarch for redis recommend search
	MeasTagRecommendHierarchyType
)

// String implements fmt.Stringer interface and returns the string representation of the type.
func (r RecommendHierarchyType) String() string {
	switch r {
	case GridRecommendHierarchyType:
		return "grid_tag"
	case ZoneRecommendHierarchyType:
		return "zone_tag"
	case StationRecommendHierarchyType:
		return "station_tag"
	case CompNSPathRecommendHierarchyType:
		return "comp_nspath"
	case CompTagRecommendHierarchyType:
		return "comp_tag"
	case ConfigRecommendHierarchyType:
		return "config"
	case MeasTagRecommendHierarchyType:
		return "meas_tag"
	default:
		// 返回一个包含原始数值的默认字符串，以便于调试
		return "unknown_recommend_type(" + string(rune(r)) + ")"
	}
}