implmented cfg command

internal/cfg.go

@@ -0,0 +1,81 @@
+package oplcli
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"path"
+)
+
+type FileMode int
+
+const (
+	ModeOverride FileMode = iota
+	ModeAppend
+	ModeOnlyCreate
+)
+
+func downloadCfgForGame(gameID string, output string, mode FileMode) error {
+	url := getDownloadURLFromGithub(gameID)
+
+	filePath := path.Join(output, fmt.Sprintf("%s.cfg", gameID))
+
+	file, err := openFileBasedOnMode(filePath, mode)
+	if err != nil {
+		return err
+	}
+	defer file.Close()
+
+	resp, err := http.Get(url)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	_, err = io.Copy(file, resp.Body)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func openFileBasedOnMode(filePath string, mode FileMode) (*os.File, error) {
+	_, err := os.Stat(filePath)
+	if err != nil {
+		if err != os.ErrNotExist {
+			file, err := os.Create(filePath)
+			if err != nil {
+				return nil, err
+			}
+			return file, nil
+		}
+	}
+
+	if mode == ModeOverride {
+		file, err := os.OpenFile(filePath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0666)
+		if err != nil {
+			return nil, err
+		}
+		return file, nil
+	}
+
+	if mode == ModeAppend {
+		file, err := os.OpenFile(filePath, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0666)
+		if err != nil {
+			return nil, err
+		}
+		return file, nil
+	}
+
+	return nil, fmt.Errorf("File already exists")
+
+}
+
+func getDownloadURLFromGithub(gameID string) string {
+	// const baseURL = "https://raw.githubusercontent.com/VTSTech/PS2-OPL-CFG/refs/heads/master/CFG/" // This one is more basic
+	const baseURL = "https://raw.githubusercontent.com/Tom-Bruise/PS2-OPL-CFG-Database/refs/heads/master/CFG_en/" // This one contains descriptions and more
+
+	return fmt.Sprintf("%s/%s.cfg", baseURL, gameID)
+}

internal/oplcli.go

@@ -76,3 +76,19 @@ func DownloadGameArt(files []string, output string, config Config) {
 		downloadArtForGame(gameID, output)
 	}
 }
+
+func DownloadCfg(files []string, output string, mode FileMode, config Config) {
+	for _, file := range files {
+		fmt.Printf("Scanning file: %s\n", file)
+
+		gameID, err := scanGameFileForID(file)
+		if err != nil {
+			fmt.Printf("Failed to scan game file: %s", err)
+			os.Exit(1)
+		}
+
+		fmt.Printf("Found game ID: %s\n", gameID)
+
+		downloadCfgForGame(gameID, output, mode)
+	}
+}