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package main
import (
"context"
"fmt"
"log"
"log/slog"
"net/http"
"net/url"
"os"
"os/signal"
"time"
"github.com/ansg191/ibd-trader/backend/internal/analyzer/openai"
auth2 "github.com/ansg191/ibd-trader/backend/internal/auth"
"github.com/ansg191/ibd-trader/backend/internal/config"
"github.com/ansg191/ibd-trader/backend/internal/database"
"github.com/ansg191/ibd-trader/backend/internal/ibd"
"github.com/ansg191/ibd-trader/backend/internal/ibd/transport"
"github.com/ansg191/ibd-trader/backend/internal/ibd/transport/scrapfly"
"github.com/ansg191/ibd-trader/backend/internal/keys"
"github.com/ansg191/ibd-trader/backend/internal/leader/election"
"github.com/ansg191/ibd-trader/backend/internal/leader/manager"
"github.com/ansg191/ibd-trader/backend/internal/server"
"github.com/ansg191/ibd-trader/backend/internal/worker"
"github.com/lmittmann/tint"
"github.com/redis/go-redis/v9"
)
func main() {
// Load the config
cfg, err := config.New()
if err != nil {
log.Fatal("Unable to load config: ", err)
}
// Setup slog
var level slog.Level
if err = level.UnmarshalText([]byte(cfg.Log.Level)); err != nil {
log.Fatal("Unable to parse log level: ", err)
}
var logger *slog.Logger
opts := &tint.Options{
AddSource: cfg.Log.AddSource,
Level: level,
NoColor: !cfg.Log.Color,
}
logger = slog.New(tint.NewHandler(os.Stdout, opts))
slog.SetDefault(logger)
logger.Info(
"Starting IBD Trader...",
"logger.level", level,
)
// Create kms
kms, err := createKMS()
if err != nil {
log.Fatal("Unable to create KMS: ", err)
}
// Connect to the database
db, err := connectDB(logger, cfg, kms)
defer func(db database.Database) {
_ = db.Close()
}(db)
if err != nil {
log.Fatal("Unable to connect to database: ", err)
}
// Connect to redis
redisClient := redis.NewClient(&redis.Options{
Addr: cfg.Redis.Addr,
Password: cfg.Redis.Password,
})
defer redisClient.Close()
// Setup auth
auth, err := auth2.New(cfg)
if err != nil {
log.Fatal("Unable to setup auth: ", err)
}
_ = auth
// Setup IBD client
client, err := setupIBDClient(cfg, db, kms)
if err != nil {
log.Fatal("Unable to setup IBD client: ", err)
}
// Setup analyzer
analyzer := openai.NewAnalyzer(openai.WithDefaultConfig(cfg.Analyzer.OpenAI.APIKey))
_ = analyzer
// Setup context w/ signal handling
ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt)
defer cancel()
//// Start the server
//go func() {
// if err := server.StartServer(ctx, cfg, logger, db, auth, client, redisClient); err != nil {
// log.Fatal("Unable to start server: ", err)
// }
// // Cancel the context when the server stops
// cancel()
//}()
// Start the gRPC server
go func() {
s, err := server.New(ctx, cfg.Server.Port, db, redisClient, client, kms, cfg.KMS.GCP.String())
if err != nil {
log.Fatal("Unable to create gRPC server: ", err)
}
if err := s.Serve(ctx); err != nil {
slog.ErrorContext(ctx, "Unable to start gRPC server", "error", err)
}
// Cancel the context when the server stops
cancel()
}()
// Start the worker
go func() {
err := worker.StartWorker(
ctx,
client,
redisClient,
db,
kms,
analyzer,
)
if err != nil {
log.Fatal("Unable to start worker: ", err)
}
// Cancel the context when the worker stops
cancel()
}()
// Start leader election
election.RunOrDie(
ctx,
redisClient,
func(ctx context.Context) {
m, err := manager.New(ctx, cfg, redisClient, db, client)
if err != nil {
logger.Error("Unable to create manager", "error", err)
return
}
if err = m.Run(ctx); err != nil {
logger.Error("Manager exited with error", "error", err)
}
},
)
}
func setupIBDClient(cfg *config.Config, db database.Database, kms keys.KeyManagementService) (*ibd.Client, error) {
pUrl, err := url.Parse(cfg.IBD.ProxyURL)
if err != nil {
return nil, fmt.Errorf("unable to parse proxy URL: %w", err)
}
t := http.DefaultTransport.(*http.Transport).Clone()
t.Proxy = http.ProxyURL(pUrl)
transports := []transport.Transport{
transport.NewStandardTransport(&http.Client{Transport: t}), // Default proxied transport
scrapfly.New(http.DefaultClient, cfg.IBD.APIKey), // Scrapfly transport
}
client := ibd.NewClient(db, kms, transports...)
return client, nil
}
func createKMS() (keys.KeyManagementService, error) {
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
return keys.NewGoogleKMS(ctx)
}
func connectDB(logger *slog.Logger, cfg *config.Config, kms keys.KeyManagementService) (database.Database, error) {
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
db, err := database.New(ctx, logger, cfg.DB.URL, kms, cfg.KMS.GCP.String())
if err != nil {
return nil, err
}
return db, nil
}
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