package main

import (
	"errors"
	"log"
	"net/http"
	"os"

	"github.com/brasse-b/archivum/internal/config"
	"github.com/brasse-b/archivum/internal/graph"
)

func main() {
	cfgPath := configPath()
	log.Printf("config path: %s", cfgPath)

	cfg, err := config.Load(cfgPath)
	if err != nil {
		if errors.Is(err, config.ErrRequireSetup) {
			log.Printf("no config found — starting in setup mode (wizard at http://localhost:4000/)")
		} else {
			log.Fatalf("failed to load config: %v", err)
		}
	} else {
		log.Printf("config loaded — storage: %s  db: %s", cfg.StoragePath, cfg.DBPath)
	}

	addr := ":4000"
	if cfg != nil && cfg.ListenAddr != "" {
		addr = cfg.ListenAddr
	}

	srv := graph.NewServer(cfg, cfgPath)

	log.Printf("Archivum listening on %s", addr)
	if err := http.ListenAndServe(addr, srv); err != nil {
		log.Fatal(err)
	}
}

func configPath() string {
	// CONFIG_DIR points directly to the config directory (preferred).
	if p := os.Getenv("CONFIG_DIR"); p != "" {
		return p + "/config.json"
	}
	// DOCKER_PATH is also set to the config directory in docker-compose
	// (the container mounts the config dir at /config, so DOCKER_PATH=/config).
	if p := os.Getenv("DOCKER_PATH"); p != "" {
		return p + "/config.json"
	}
	return "config.json"
}