import { Repository } from 'typeorm';
import { EnergySourceType } from '../energy.constants';
import { EnergyDeltaEntity } from '../entities/energy-delta.entity';
export interface EnergySummary {
    totalConsumptionKwh: number;
    totalProductionKwh: number;
    totalGridImportKwh: number;
    totalGridExportKwh: number;
    hasGridMetrics: boolean;
    lastUpdatedAt: string | null;
}
export interface EnergyDeltaRow {
    intervalStart: string;
    intervalEnd: string;
    consumptionDeltaKwh: number;
    productionDeltaKwh: number;
    gridImportDeltaKwh: number;
    gridExportDeltaKwh: number;
}
export interface SpaceEnergySummary {
    totalConsumptionKwh: number;
    totalProductionKwh: number;
    totalGridImportKwh: number;
    totalGridExportKwh: number;
    netKwh: number;
    netGridKwh: number;
    hasGridMetrics: boolean;
    lastUpdatedAt: string | null;
}
export interface TimeseriesPoint {
    intervalStart: string;
    intervalEnd: string;
    consumptionDeltaKwh: number;
    productionDeltaKwh: number;
    gridImportDeltaKwh: number;
    gridExportDeltaKwh: number;
}
export interface BreakdownItem {
    deviceId: string;
    deviceName: string;
    roomId: string | null;
    roomName: string | null;
    consumptionKwh: number;
}
export declare class EnergyDataService {
    private readonly deltaRepository;
    private readonly logger;
    constructor(deltaRepository: Repository<EnergyDeltaEntity>);
    saveDelta(params: {
        deviceId: string;
        roomId: string | null;
        sourceType: EnergySourceType;
        deltaKwh: number;
        intervalStart: Date;
        intervalEnd: Date;
    }): Promise<void>;
    getSummary(rangeStart: Date, rangeEnd: Date, roomId?: string): Promise<EnergySummary>;
    getDeltas(rangeStart: Date, rangeEnd: Date, roomId?: string): Promise<EnergyDeltaRow[]>;
    getSpaceSummary(rangeStart: Date, rangeEnd: Date, spaceId?: string): Promise<SpaceEnergySummary>;
    getSpaceTimeseries(rangeStart: Date, rangeEnd: Date, interval: string, spaceId?: string): Promise<TimeseriesPoint[]>;
    getSpaceBreakdown(rangeStart: Date, rangeEnd: Date, spaceId?: string, limit?: number): Promise<BreakdownItem[]>;
    private formatBucketKey;
}