1 files changed, 87 insertions, 0 deletions
diff --git a/args/args.go b/args/args.go
new file mode 100644
index 0000000..458d36e
--- /dev/null
+++ b/args/args.go
@@ -0,0 +1,87 @@
+package args
+
+import (
+	"flag"
+	"fmt"
+	"os"
+	"sync"
+)
+
+type Arguments struct {
+	DatabasePath string
+	TemplatePath string
+	StaticPath   string
+
+	Migrate   bool
+	Scheduler bool
+
+	HttpSmsEndpoint string
+
+	Port   int
+	Server bool
+}
+
+func isDirectory(path string) (bool, error) {
+	fileInfo, err := os.Stat(path)
+	if err != nil {
+		return false, err
+	}
+
+	return fileInfo.IsDir(), err
+}
+
+func validateArgs(args *Arguments) error {
+	templateIsDir, err := isDirectory(args.TemplatePath)
+	if err != nil || !templateIsDir {
+		return fmt.Errorf("template path is not an accessible directory %s", err)
+	}
+	staticPathIsDir, err := isDirectory(args.StaticPath)
+	if err != nil || !staticPathIsDir {
+		return fmt.Errorf("static path is not an accessible directory %s", err)
+	}
+	return nil
+}
+
+var lock = &sync.Mutex{}
+var args *Arguments
+
+func GetArgs() (*Arguments, error) {
+	lock.Lock()
+	defer lock.Unlock()
+
+	if args != nil {
+		return args, nil
+	}
+
+	databasePath := flag.String("database-path", "./phoneof.db", "Path to the SQLite database")
+
+	templatePath := flag.String("template-path", "./templates", "Path to the template directory")
+	staticPath := flag.String("static-path", "./static", "Path to the static directory")
+
+	httpSmsEndpoint := flag.String("httpsms-endpoint", "https://httpsms.com", "HTTPSMS endpoint")
+
+	scheduler := flag.Bool("scheduler", false, "Run scheduled jobs via cron")
+	migrate := flag.Bool("migrate", false, "Run the migrations")
+
+	port := flag.Int("port", 8080, "Port to listen on")
+	server := flag.Bool("server", false, "Run the server")
+
+	flag.Parse()
+
+	args = &Arguments{
+		DatabasePath:    *databasePath,
+		TemplatePath:    *templatePath,
+		StaticPath:      *staticPath,
+		Port:            *port,
+		Server:          *server,
+		Migrate:         *migrate,
+		Scheduler:       *scheduler,
+		HttpSmsEndpoint: *httpSmsEndpoint,
+	}
+	err := validateArgs(args)
+	if err != nil {
+		return nil, err
+	}
+
+	return args, nil
+}