import { Controller, Get, Query } from '@nestjs/common';
import { PrometheusService } from './prometheus.service';

@Controller('metrics')
export class MetricsController {
  constructor(private readonly prometheusService: PrometheusService) { }

  @Get()
  async getMetrics(
    @Query('metric') metric: string,
    @Query('start') start: number,
    @Query('end') end: number,
    @Query('step') step: number,
  ) {
    if (start && end && step) {
      return this.prometheusService.fetchMetricsRange(metric, start, end, step);
    }
    return this.prometheusService.fetchMetrics(metric);
  }

  @Get('/all')
  async getAllMetrics() {
    return this.prometheusService.fetchAllMetrics();
  }

  @Get('/all-values')
  async getAllMetricsWithValues() {
    return this.prometheusService.fetchAllMetricsWithValues();
  }
}