package main

import (
	"context"
	"log/slog"
	"os"
	"os/signal"
	"strings"
	"syscall"

	"git.dcntrlized.org/Dcntrlized/license-bot/internal/bot"
	"git.dcntrlized.org/Dcntrlized/license-bot/internal/config"
)

// version is overridden at build time with -ldflags "-X main.version=...".
var version = "0.0.1"

func main() {
	log := slog.New(slog.NewTextHandler(os.Stderr, &slog.HandlerOptions{Level: logLevel()}))

	cfg, err := config.FromEnv()
	if err != nil {
		log.Error("invalid configuration", "err", err)
		os.Exit(2)
	}
	log.Info("starting license-bot",
		"version", version,
		"repos", strings.Join(cfg.Repos, ","),
		"listen", cfg.Listen,
		"dry_run", cfg.DryRun,
	)

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

	if err := bot.New(cfg, log).Run(ctx); err != nil {
		log.Error("license-bot stopped", "err", err)
		os.Exit(1)
	}
}

func logLevel() slog.Level {
	switch strings.ToLower(os.Getenv("LOG_LEVEL")) {
	case "debug":
		return slog.LevelDebug
	case "warn", "warning":
		return slog.LevelWarn
	case "error":
		return slog.LevelError
	default:
		return slog.LevelInfo
	}
}