package main

import (
	"sync"
	"testing"

	"github.com/probakowski/go-satel"
	"github.com/stretchr/testify/assert"
)

func TestSatelEventTypeFiltering(t *testing.T) {
	testEvents := make(chan satel.Event)
	receivedEvents := make([]satel.Event, 0)
	wg := sync.WaitGroup{}

	go func() {
		wg.Add(1)
		for e := range FilterByType(testEvents, []satel.ChangeType{satel.ArmedPartition, satel.PartitionFireAlarm}) {
			receivedEvents = append(receivedEvents, e)
		}
		wg.Done()
	}()

	testEvents <- satel.Event{Type: satel.ArmedPartition, Index: 1, Value: true}
	testEvents <- satel.Event{Type: satel.DoorOpened, Index: 2, Value: true}
	testEvents <- satel.Event{Type: satel.PartitionAlarm, Index: 3, Value: true}
	testEvents <- satel.Event{Type: satel.PartitionFireAlarm, Index: 4, Value: true}
	testEvents <- satel.Event{Type: satel.TroublePart1, Index: 5, Value: true}
	testEvents <- satel.Event{Type: satel.ZoneTamper, Index: 6, Value: true}

	close(testEvents)
	wg.Wait()

	assert.Len(t, receivedEvents, 2)
	assert.Contains(t, receivedEvents, satel.Event{Type: satel.ArmedPartition, Index: 1, Value: true})
	assert.Contains(t, receivedEvents, satel.Event{Type: satel.PartitionFireAlarm, Index: 4, Value: true})
}

func TestSatelLastSeenFiltering(t *testing.T) {
	testEvents := make(chan satel.Event)
	receivedEvents := make([]satel.Event, 0)
	wg := sync.WaitGroup{}

	go func() {
		wg.Add(1)
		for e := range FilterByLastSeen(testEvents) {
			receivedEvents = append(receivedEvents, e)
		}
		wg.Done()
	}()

	testEvents <- satel.Event{Type: satel.ArmedPartition, Index: 1, Value: true}
	testEvents <- satel.Event{Type: satel.ArmedPartition, Index: 2, Value: true}
	testEvents <- satel.Event{Type: satel.ArmedPartition, Index: 1, Value: true}
	testEvents <- satel.Event{Type: satel.ArmedPartition, Index: 1, Value: false}
	testEvents <- satel.Event{Type: satel.ArmedPartition, Index: 2, Value: true}
	testEvents <- satel.Event{Type: satel.ArmedPartition, Index: 1, Value: false}

	close(testEvents)
	wg.Wait()

	assert.Len(t, receivedEvents, 3)
	assert.Contains(t, receivedEvents, satel.Event{Type: satel.ArmedPartition, Index: 1, Value: true})
	assert.Contains(t, receivedEvents, satel.Event{Type: satel.ArmedPartition, Index: 2, Value: true})
	assert.Contains(t, receivedEvents, satel.Event{Type: satel.ArmedPartition, Index: 1, Value: false})
}