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package main
import (
"context"
"log"
"net/http"
"os"
"os/signal"
"syscall"
"github.com/joho/godotenv"
"golang.org/x/crypto/bcrypt"
"yaum/internal/alerts"
"yaum/internal/api"
"yaum/internal/config"
"yaum/internal/monitor"
"yaum/internal/servermetrics"
"yaum/internal/sse"
"yaum/internal/store"
)
func main() {
godotenv.Load()
cfgPath := os.Getenv("CONFIG_PATH")
cfg, err := config.Load(cfgPath)
if err != nil {
log.Fatalf("config: %v", err)
}
passwordHash := cfg.AdminPasswordHash()
if passwordHash == "" {
if pw := os.Getenv("ADMIN_PASSWORD"); pw != "" {
hash, err := bcrypt.GenerateFromPassword([]byte(pw), bcrypt.DefaultCost)
if err != nil {
log.Fatalf("erro ao gerar hash da senha: %v", err)
}
passwordHash = string(hash)
}
}
if passwordHash == "" {
log.Fatal("ADMIN_PASSWORD_HASH ou ADMIN_PASSWORD nao definido — defina no .env ou config.json")
}
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
var st store.Store
if dbURL := cfg.DatabaseURL(); dbURL != "" {
log.Println("conectando ao postgres...")
pg, err := store.NewPostgresStore(ctx, dbURL)
if err != nil {
log.Fatalf("banco: %v", err)
}
defer pg.Close()
st = pg
log.Println("conectado ao postgres")
} else {
log.Println("database.url vazio — usando store em memoria")
ms := store.NewMemoryStore()
ms.SeedMockData()
st = ms
}
broadcaster := sse.NewBroadcaster()
worker := monitor.NewWorker(st, cfg.CheckInterval(), cfg.CheckTimeout(), broadcaster)
if cfg.SMTP.From != "" {
smtpCfg := &alerts.SMTPConfig{
Host: cfg.SMTP.Host,
Port: cfg.SMTP.Port,
Username: cfg.SMTP.Username,
Password: cfg.SMTP.Password,
From: cfg.SMTP.From,
}
worker.WithSMTP(smtpCfg)
}
metricsCollector := servermetrics.New(".")
go metricsCollector.Start(ctx)
handler := api.NewHandler(st, int(cfg.CheckTimeout().Seconds()), metricsCollector)
streamHandler := api.NewStreamHandler(broadcaster)
authHandler := api.NewAuthHandler(
cfg.AdminUsername(),
passwordHash,
cfg.JWTSecret(),
)
server := &http.Server{
Addr: cfg.ServerAddr(),
Handler: api.NewRouter(handler, streamHandler, authHandler),
}
go worker.Start(ctx)
go func() {
sigCh := make(chan os.Signal, 1)
signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)
sig := <-sigCh
log.Printf("sinal recebido: %s. desligando...", sig)
worker.Stop()
server.Shutdown(context.Background())
}()
log.Printf("yaum rodando em %s", cfg.ServerAddr())
if err := server.ListenAndServe(); err != http.ErrServerClosed {
log.Fatalf("erro ao iniciar servidor: %v", err)
}
log.Println("servidor encerrado com sucesso")
}
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