Move to library for CLI parsing, add ability to get upload key

account.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+  "errors"
+  "fmt"
+  "gitea.com/webb/teal"
+)
+
+func getAccountHandler(s string) (error){
+  username, password, err := getLoginDetails()
+  if err != nil {
+    return err
+  }
+
+  c, err := teal.Login(username, password)
+  if err != nil {
+    return err
+  }
+
+  switch s {
+  case "key":
+    fmt.Println(c.User.UploadKey)
+    return nil
+  }
+  return errors.New("internal: no fetchable attribute found")
+}

cfg.go

@@ -6,15 +6,33 @@ import (
 )
 
 func getUploadKey() (string, error) {
-	readKey := os.Getenv("PXL_KEY")
-	if readKey != "" {
-		return readKey, nil
+	rdKey := os.Getenv("PXL_KEY")
+	if rdKey != "" {
+		return rdKey, nil
 	}
 
-	readKey = os.Getenv("MIRAGE_KEY")
-	if readKey != "" {
-		return readKey, nil
+	rdKey = os.Getenv("MIRAGE_KEY")
+	if rdKey != "" {
+		return rdKey, nil
 	}
 
-	return "", errors.New("upload key not set as environment variable")
+	return "", errors.New("upload key not set")
+}
+
+func getLoginDetails() (string, string, error) {
+	rdUsr, rdPsswd := os.Getenv("PXL_USERNAME"), os.Getenv("PXL_PASSWORD")
+	if rdUsr != "" && rdPsswd != "" {
+		return rdUsr, rdPsswd, nil
+	}
+
+	if rdUsr == "" && rdPsswd == "" {
+		return "", "", errors.New("user credentials not set")
+	}
+
+	if rdUsr == "" {
+		return "", "", errors.New("username not set")
+	}
+
+	return "", "", errors.New("password not set")
+
 }

main.go

@@ -1,8 +1,9 @@
 package main
 
 import (
-	"fmt"
 	"gitea.com/webb/teal"
+	"github.com/urfave/cli"
+	"log"
 	"os"
 )
 
@@ -11,19 +12,37 @@ var itCl = teal.Client{
 }
 
 func main() {
-	switch os.Args[1] {
-	case "upload":
-		if len(os.Args[2:]) > 1 {
-			fmt.Println("interrupt: too many arguments!")
-			os.Exit(1)
-		} else if len(os.Args[2:]) == 0 {
-			fmt.Println("interrupt: Please supply a file to upload.")
-			os.Exit(1)
-		}
-
-		uploadHandler(os.Args[2])
+	cli := &cli.App{
+		Commands: []*cli.Command{
+			{
+				Name:    "upload",
+				Aliases: []string{"u"},
+				Usage:   "upload a file",
+				Action: func(c *cli.Context) error {
+					uploadHandler(c.Args().First())
+					return nil
+				},
+			},
+			{
+				Name:    "get",
+				Aliases: []string{"g"},
+				Usage:   "get information from your account",
+				Subcommands: []*cli.Command{
+					{
+						Name:  "key",
+						Usage: "get your upload key by logging in with your username and password",
+						Action: func(c *cli.Context) error {
+							err := getAccountHandler("key")
+							return err
+						},
+					},
+				},
+			},
+		},
 	}
 
-	fmt.Println("interrupt: Missing subcommand.")
-	os.Exit(1)
+	err := cli.Run(os.Args)
+	if err != nil {
+		log.Fatal(err)
+	}
 }

upload.go

@@ -6,7 +6,7 @@ import (
 	"os"
 )
 
-func uploadHandler(a string) {
+func uploadHandler(a string) error {
 	uploadKey, err := getUploadKey()
 	if err != nil {
 		fmt.Println(err)
@@ -15,13 +15,12 @@ func uploadHandler(a string) {
 
 	var reader io.Reader
 
-	if os.Args[2] == "-" {
+	if a == "-" {
 		reader = os.Stdin
 	} else {
 		reader, err = os.Open(a)
 		if err != nil {
-			fmt.Println(err)
-			os.Exit(1)
+			return err
 		}
 	}
 
@@ -29,10 +28,9 @@ func uploadHandler(a string) {
 
 	r, err := itCl.UploadFile(reader, a)
 	if err != nil {
-		fmt.Println(err)
-		os.Exit(1)
+		return err
 	}
 
 	fmt.Println(r)
-	os.Exit(0)
+	return nil
 }