Initial Commit

cmd/ncpt/app.go

@@ -0,0 +1,87 @@
+package main
+
+import (
+	"errors"
+	"flag"
+	"fmt"
+	"os"
+	"strings"
+)
+
+const (
+	MODE_RUN = iota
+	MODE_EDIT_QUEST
+)
+
+type AppState struct {
+	Name    string
+	Version int
+	ConfDir string
+	Parms   []string
+	Ships   map[string]Ship
+	Quests  map[string]Quest
+
+	Mode int
+
+	// CLI Variables
+	Environment string
+	Request     string
+
+	Error error
+}
+
+func NewApp() *AppState {
+	app := &AppState{Name: AppName, Version: AppVersion}
+	app.Error = app.initialize()
+	return app
+}
+
+func (a *AppState) initialize() error {
+	flag.StringVar(&a.ConfDir, "d", ".ncpt", "The configuration directory to use")
+	editMode := flag.Bool("e", false, "Edit the named Quest")
+	flag.Parse()
+	a.Parms = flag.Args()
+
+	// Figure out what 'mode' we're running in
+	if *editMode {
+		a.Mode = MODE_EDIT_QUEST
+	} else {
+		a.Mode = MODE_RUN
+	}
+
+	a.Ships = make(map[string]Ship)
+	a.Quests = make(map[string]Quest)
+	if err := a.validateConfDir(); err != nil {
+		return err
+	}
+
+	// Load Global Configs
+	return nil
+}
+
+func (a *AppState) run() int {
+	if len(a.Parms) == 0 {
+		fmt.Fprint(os.Stderr, "No request provided ('list' to list available requests)\n")
+		return 1
+	}
+	switch a.Mode {
+	case MODE_EDIT_QUEST:
+		return a.editQuest(a.Parms)
+	default:
+		return a.runQuest(a.Parms)
+	}
+}
+
+func (a *AppState) validateConfDir() error {
+	if !DirExists(a.ConfDir) {
+		ans := PromptWDefault(fmt.Sprintf("Create configuration directory (%s)? [n]", a.ConfDir), "n")
+		if strings.ToLower(ans) == "y" {
+			if err := os.Mkdir(a.ConfDir, 0700); err != nil {
+				return err
+			}
+		} else {
+			return errors.New("Configuration directory doesn't exist")
+		}
+	}
+	return nil
+}