fix(config): add config loading functions and tests, also fix config issues

cmd/start/main.go

@@ -2,69 +2,36 @@ package main
 
 import (
 	"fmt"
-	"strings"
+	"os"
 
-	"github.com/ihexxa/gocfg"
 	goflags "github.com/jessevdk/go-flags"
 
-	"github.com/ihexxa/quickshare/src/server"
+	serverPkg "github.com/ihexxa/quickshare/src/server"
 )
 
-var opts struct {
-	Host    string   `short:"h" long:"host" description:"server hostname"`
-	Port    int      `short:"p" long:"port" description:"server port"`
-	Debug   bool     `short:"d" long:"debug" description:"debug mode"`
-	Configs []string `short:"c" description:"config path"`
-}
+var opts = &serverPkg.Opts{}
 
 func main() {
-	_, err := goflags.Parse(&opts)
-	if err != nil {
-		panic(err)
-	}
-	defaultCfg, err := server.DefaultConfig()
+	_, err := goflags.Parse(opts)
 	if err != nil {
 		panic(err)
 	}
 
-	cfg, err := gocfg.New(server.NewConfig()).Load(gocfg.JSONStr(defaultCfg))
+	cfg, err := serverPkg.LoadCfg(opts)
 	if err != nil {
-		panic(err)
+		fmt.Printf("failed to load config: %s", err)
+		os.Exit(1)
 	}
 
-	if len(opts.Configs) > 0 {
-		for _, configPath := range opts.Configs {
-			if strings.HasSuffix(configPath, ".yml") || strings.HasSuffix(configPath, ".yaml") {
-				cfg, err = cfg.Load(gocfg.YAML(configPath))
-			} else if strings.HasSuffix(configPath, ".json") {
-				cfg, err = cfg.Load(gocfg.JSON(configPath))
-			} else {
-				panic(fmt.Sprintf("unknown config file type (.yml .yaml .json are supported): %s", configPath))
-			}
-
-			if err != nil {
-				panic(err)
-			}
-		}
-	}
-
-	if opts.Host != "" {
-		cfg.SetString("Server.Host", opts.Host)
-	}
-	if opts.Port != 0 {
-		cfg.SetInt("Server.Port", opts.Port)
-	}
-	if opts.Debug {
-		cfg.SetBool("Server.Debug", opts.Debug)
-	}
-
-	srv, err := server.NewServer(cfg)
+	srv, err := serverPkg.NewServer(cfg)
 	if err != nil {
-		panic(err)
+		fmt.Printf("failed to new server: %s", err)
+		os.Exit(1)
 	}
 
 	err = srv.Start()
 	if err != nil {
-		panic(err)
+		fmt.Printf("failed to start server: %s", err)
+		os.Exit(1)
 	}
 }