From 3e3f7b80a6de1e99c9db6468b23b72ce36795577 Mon Sep 17 00:00:00 2001
From: Doron Cohen <doroncohen@fastmail.com>
Date: Fri, 9 Oct 2020 22:00:45 +0300
Subject: [PATCH] feat: init cmd for initializing antidot

---
 cmd/init.go            | 43 ++++++++++++++++++++++++++++++++++++++++++
 internal/utils/env.go  | 11 +++++++++++
 internal/utils/text.go | 14 ++++++++++++++
 3 files changed, 68 insertions(+)
 create mode 100644 cmd/init.go
 create mode 100644 internal/utils/text.go

diff --git a/cmd/init.go b/cmd/init.go
new file mode 100644
index 0000000..444ebe0
--- /dev/null
+++ b/cmd/init.go
@@ -0,0 +1,43 @@
+package cmd
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/spf13/cobra"
+
+	"github.com/doron-cohen/antidot/internal/utils"
+)
+
+func init() {
+	rootCmd.AddCommand(initCmd)
+}
+
+var initCmd = &cobra.Command{
+	Use:   "init",
+	Short: "Initialize antidot for aliases and env vars to work",
+	Run: func(cmd *cobra.Command, args []string) {
+		// TODO: detect shell and generate appropriate script
+		envFilePath, err := utils.GetEnvFile()
+		if err != nil {
+			log.Fatalf("Failed to get env file path: %v", err)
+		}
+
+		aliasFilePath, err := utils.GetAliasFile()
+		if err != nil {
+			log.Fatalf("Failed to get alias file path: %v", err)
+		}
+
+		fmt.Printf(`if [[ "$ANTIDOT_INIT" != "1" ]]; then
+%s
+  source %s
+  source %s
+
+  export ANTIDOT_INIT=1
+fi`,
+			utils.IndentLines(utils.XdgVarsExport()),
+			envFilePath,
+			aliasFilePath,
+		)
+	},
+}
diff --git a/internal/utils/env.go b/internal/utils/env.go
index bc33736..c7c113e 100644
--- a/internal/utils/env.go
+++ b/internal/utils/env.go
@@ -5,6 +5,7 @@ import (
 	"os"
 	"os/user"
 
+	"github.com/adrg/xdg"
 	"github.com/joho/godotenv"
 )
 
@@ -33,6 +34,16 @@ func WriteEnvToFile(envMap map[string]string, filePath string) error {
 	return godotenv.Write(newMap, filePath)
 }
 
+func XdgVarsExport() string {
+	return fmt.Sprintf(`export XDG_CONFIG_HOME="%s"
+export XDG_CACHE_HOME="%s"
+export XDG_DATA_HOME="%s"`,
+		xdg.ConfigHome,
+		xdg.CacheHome,
+		xdg.DataHome,
+	)
+}
+
 func GetAliasFile() (string, error) {
 	return AppDirs.GetDataFile("alias.sh")
 }
diff --git a/internal/utils/text.go b/internal/utils/text.go
new file mode 100644
index 0000000..99e8c42
--- /dev/null
+++ b/internal/utils/text.go
@@ -0,0 +1,14 @@
+package utils
+
+import (
+	"fmt"
+	"strings"
+)
+
+func IndentLines(lines string) string {
+	var builder strings.Builder
+	for _, line := range strings.Split(lines, "\n") {
+		builder.WriteString(fmt.Sprintf("  %s\n", line))
+	}
+	return builder.String()
+}