package com.hwmonitor.controller;

import com.hwmonitor.config.MonitorConfig;
import com.hwmonitor.scheduler.MetricsScheduler;
import org.springframework.web.bind.annotation.*;

import java.util.Map;

@RestController
@RequestMapping("/api/v1/config")
public class ConfigController {

    private final MonitorConfig monitorConfig;
    private final MetricsScheduler metricsScheduler;

    public ConfigController(MonitorConfig monitorConfig, MetricsScheduler metricsScheduler) {
        this.monitorConfig = monitorConfig;
        this.metricsScheduler = metricsScheduler;
    }

    @GetMapping("/interval")
    public Map<String, Object> getInterval() {
        return Map.of(
                "intervalSeconds", monitorConfig.getCollectIntervalSeconds(),
                "availableOptions", new int[]{30, 60}
        );
    }

    @PutMapping("/interval")
    public Map<String, Object> setInterval(@RequestBody Map<String, Integer> body) {
        int seconds = body.getOrDefault("intervalSeconds", 30);
        if (seconds != 30 && seconds != 60) {
            throw new IllegalArgumentException("采集间隔仅支持 30 或 60 秒");
        }
        monitorConfig.setCollectIntervalSeconds(seconds);
        metricsScheduler.reschedule();
        return Map.of("intervalSeconds", seconds, "status", "ok");
    }
}