// Copyright 2013 Prometheus Team
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package main

import (
	"log"

	"github.com/prometheus/alert_manager/manager"
	"github.com/prometheus/alert_manager/web"
	"github.com/prometheus/alert_manager/web/api"
)

func main() {
	log.Print("Starting event suppressor...")
	suppressor := manager.NewSuppressor()
	defer suppressor.Close()
	go suppressor.Dispatch()
	log.Println("Done.")

	log.Println("Starting event aggregator...")
	aggregator := manager.NewAggregator()
	defer aggregator.Close()

	summarizer := manager.NewSummaryDispatcher()
	go aggregator.Dispatch(summarizer)
	log.Println("Done.")

	webService := &web.WebService{
		AlertManagerService: &api.AlertManagerService{
			Aggregator: aggregator,
		},
		AlertsHandler: &web.AlertsHandler{
			Aggregator: aggregator,
		},
	}
	go webService.ServeForever()

	// BEGIN EXAMPLE CODE - replace with config loading later.
	done := make(chan bool)
	go func() {
		rules := manager.AggregationRules{
			&manager.AggregationRule{
				Filters: manager.Filters{manager.NewFilter("service", "discovery")},
			},
		}

		aggregator.SetRules(rules)

		done <- true
	}()
	<-done
	// END EXAMPLE CODE

	log.Println("Running summary dispatcher...")
	summarizer.Dispatch(suppressor)
}