feat: add client config file

2 files changed, 78 insertions, 0 deletions

diff --git a/internal/client/client.go b/internal/client/client.go
index a60c1e8..df7573f 100644
--- a/internal/client/client.go
+++ b/internal/client/client.go
@@ -6,6 +6,7 @@ import (
 
 	tea "github.com/charmbracelet/bubbletea"
 
+	"github.com/kyren223/eko/internal/client/config"
 	"github.com/kyren223/eko/internal/client/ui"
 	"github.com/kyren223/eko/internal/client/ui/auth"
 	"github.com/kyren223/eko/pkg/assert"
@@ -22,6 +23,12 @@ func (c BubbleTeaCloser) Close() error {
 
 func Run() {
 	log.Println("client started")
+
+	err := config.Load()
+	if err != nil {
+		log.Fatalf("Config file at '%v' was unable to load successfully\n%v\n", config.ConfigFile, err)
+	}
+
 	program := tea.NewProgram(initialModel(), tea.WithAltScreen())
 	assert.AddFlush(BubbleTeaCloser{program})
 
diff --git a/internal/client/config/config.go b/internal/client/config/config.go
new file mode 100644
index 0000000..2353747
--- /dev/null
+++ b/internal/client/config/config.go
@@ -0,0 +1,71 @@
+package config
+
+import (
+	"encoding/json"
+	"errors"
+	"os"
+	"path/filepath"
+)
+
+type Config struct {
+	PrivateKeyPath string
+}
+
+func Default() Config {
+	return Config{
+		PrivateKeyPath: "",
+	}
+}
+
+var (
+	config     = Config{}
+	Dir        string
+	ConfigFile string
+)
+
+func Load() error {
+	userConfigDir, err := os.UserConfigDir()
+	if err != nil {
+		return err
+	}
+
+	Dir = filepath.Join(userConfigDir, "eko")
+	err = os.MkdirAll(Dir, 0o755)
+	if err != nil {
+		return err
+	}
+
+	ConfigFile = filepath.Join(Dir, "config.json")
+	contents, err := os.ReadFile(ConfigFile)
+	if errors.Is(err, os.ErrNotExist) {
+		config = Default()
+		return write()
+	}
+	if err != nil {
+		return err
+	}
+
+	err = json.Unmarshal(contents, &config)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func write() error {
+	b, err := json.MarshalIndent(config, "", "    ")
+	if err != nil {
+		return err
+	}
+	return os.WriteFile(ConfigFile, b, 0o644)
+}
+
+func Read() Config {
+	return config
+}
+
+func Use(f func(config *Config)) error {
+	f(&config)
+	return write()
+}