Structure pt 1

1 files changed, 67 insertions, 0 deletions

diff --git a/src/Settings/Settings.go b/src/Settings/Settings.go
new file mode 100644
index 0000000..58daed3
--- /dev/null
+++ b/src/Settings/Settings.go
@@ -0,0 +1,67 @@
+package settings
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"strings"
+)
+
+type Settings struct {
+	Port string
+	StaticLocation string
+	TemplatesLocation string
+}
+
+const settingsLocation = "Settings.json"
+
+var defaultSettings = Settings {
+	Port: ":6969",
+	StaticLocation: "../static",
+	TemplatesLocation: "../templates",
+}
+
+
+var Current Settings = Settings{}
+
+func ReadSettings() {
+	var file, fopenerr = os.ReadFile(settingsLocation)
+	if fopenerr != nil {
+		var success, inintBody = createSettingsFile()
+		if success {
+			file = inintBody
+		} else {
+			panic(fmt.Sprintf("Unable to load or create settings file. \nOriginal error: %v\n", fopenerr.Error()))
+		}
+	}
+	var data = Settings{}
+	json.Unmarshal(file, &data)
+	var validationErr = data.Validate()
+	if validationErr != nil {
+		panic(fmt.Sprintf("Failed to load settings file: %s", validationErr.Error()))
+	}
+	Current = data
+}
+
+func createSettingsFile() (bool, []byte ) {
+	var file, err = os.Create(settingsLocation)
+	if err != nil {
+		return false, nil
+	}
+	defer file.Close()
+	var inititalData = defaultSettings
+	var body, jsonerr = json.MarshalIndent(inititalData, "", "	")
+	if jsonerr != nil {
+		return false, nil
+	}
+	fmt.Fprint(file, string(body))
+	return true, body
+}
+
+// Returns an error with the issue description if the settings are invalid
+func (base *Settings) Validate() error {
+	if len(base.Port) == 0 || !strings.Contains(base.Port, ":") {
+		return fmt.Errorf("The port string is invalid")
+	}
+	return nil
+}