// Command app is the Bounty Board main service.
package main

import (
	"context"
	"fmt"
	"log/slog"
	"os"
	"os/signal"
	"syscall"
	"time"

	"bountyboard/internal/config"
	httpx "bountyboard/internal/http"
	"bountyboard/internal/metrics"
	"bountyboard/internal/store"
)

func main() {
	if err := run(); err != nil {
		fmt.Fprintln(os.Stderr, "fatal:", err)
		os.Exit(1)
	}
}

func run() error {
	if err := config.LoadDotEnv(".env"); err != nil {
		return fmt.Errorf("load .env: %w", err)
	}
	cfg, err := config.Load()
	if err != nil {
		return err
	}

	log := slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{Level: slog.LevelInfo}))
	slog.SetDefault(log)

	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
	defer stop()

	st, err := store.Connect(ctx, cfg, log)
	if err != nil {
		return err
	}
	defer func() {
		closeCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
		defer cancel()
		if err := st.Close(closeCtx); err != nil {
			log.Error("close mongo", "err", err)
		}
	}()

	reg := metrics.NewRegistry()
	srv := httpx.New(cfg, log, reg)
	srv.AddReadinessCheck(httpx.ReadinessCheck{
		Name:     "mongo",
		Required: true,
		Probe:    st.Ping,
	})

	return srv.Run(ctx)
}