package main

import (
	"log"

	"github.com/rosti-cz/node-api/apps"
	"github.com/rosti-cz/node-api/docker"
)

// gatherContainerStats gathers information about containers and saves it into the database
func gatherContainerStats() error {
	appList, err := apps.List()
	if err != nil {
		return err
	}

	for _, app := range *appList {
		container := docker.Container{
			App: &app,
		}
		state, err := container.GetState()
		if err != nil {
			log.Println("STATS ERROR:", err.Error())
			continue
		}

		err = apps.UpdateState(
			app.Name,
			state.State,
			state.CPUUsage,
			state.MemoryUsage,
			state.DiskUsageBytes,
			state.DiskUsageInodes,
		)

		if err != nil {
			log.Println("STATS ERROR:", err.Error())
		}
	}

	return nil
}