4 files changed, 155 insertions, 0 deletions
diff --git a/pkg/app/app.go b/pkg/app/app.go
new file mode 100644
index 000000000..cb5f5e027
--- /dev/null
+++ b/pkg/app/app.go
@@ -0,0 +1,53 @@
+package app
+
+import (
+	"context"
+	"log/slog"
+	"os"
+	"path/filepath"
+
+	"github.com/sst/opencode/pkg/app/paths"
+)
+
+type App struct {
+	ctx       context.Context
+	directory string
+	config    *Config
+	storage   *Storage
+}
+
+func New(ctx context.Context, directory string) (*App, error) {
+	var err error
+	app := &App{
+		directory: directory,
+		ctx:       ctx,
+	}
+
+	data := paths.Data(directory)
+	if err := os.MkdirAll(data, 0755); err != nil {
+		return nil, err
+	}
+
+	err = os.MkdirAll(paths.Log(directory), 0755)
+	if err != nil {
+		return nil, err
+	}
+	logFile, err := os.Create(filepath.Join(paths.Log(directory), "opencode.log"))
+	if err != nil {
+		return nil, err
+	}
+	slog.SetDefault(slog.New(slog.NewTextHandler(logFile, &slog.HandlerOptions{})))
+	slog.Info("log created")
+
+	app.config, err = initConfig(directory)
+	if err != nil {
+		return nil, err
+	}
+
+	app.storage, err = initStorage(app)
+	if err != nil {
+		return nil, err
+	}
+
+	return app, nil
+}
diff --git a/pkg/app/config.go b/pkg/app/config.go
new file mode 100644
index 000000000..046606623
--- /dev/null
+++ b/pkg/app/config.go
@@ -0,0 +1,45 @@
+package app
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/marcozac/go-jsonc"
+)
+
+type Config struct {
+}
+
+type ConfigMCP struct {
+}
+
+type ConfigProvider struct {
+}
+
+type ErrInvalidConfig struct {
+	source error
+}
+
+func (e ErrInvalidConfig) Error() string {
+	return "ErrInvalidConfig"
+}
+
+func (e ErrInvalidConfig) Unwrap() error {
+	return e.source
+}
+
+func initConfig(directory string) (*Config, error) {
+	configPath := filepath.Join(directory, "opencode.jsonc")
+	_, err := os.Stat(configPath)
+	result := &Config{}
+	if err == nil {
+		data, err := os.ReadFile(configPath)
+		if err == nil {
+			err := jsonc.Unmarshal(data, result)
+			if err != nil {
+				return nil, ErrInvalidConfig{err}
+			}
+		}
+	}
+	return result, nil
+}
diff --git a/pkg/app/paths/paths.go b/pkg/app/paths/paths.go
new file mode 100644
index 000000000..03efc85e0
--- /dev/null
+++ b/pkg/app/paths/paths.go
@@ -0,0 +1,15 @@
+package paths
+
+import "path/filepath"
+
+func Data(project string) string {
+	return filepath.Join(project, ".opencode")
+}
+
+func Storage(project string) string {
+	return filepath.Join(Data(project), "storage")
+}
+
+func Log(project string) string {
+	return filepath.Join(Data(project), "log")
+}
diff --git a/pkg/app/storage.go b/pkg/app/storage.go
new file mode 100644
index 000000000..02a753894
--- /dev/null
+++ b/pkg/app/storage.go
@@ -0,0 +1,42 @@
+package app
+
+import (
+	"log/slog"
+	"os"
+	"path/filepath"
+
+	"github.com/sst/opencode/pkg/app/paths"
+	"gocloud.dev/blob"
+	"gocloud.dev/blob/fileblob"
+)
+
+type Storage struct {
+	bucket *blob.Bucket
+	app    *App
+	log    *slog.Logger
+}
+
+func initStorage(app *App) (*Storage, error) {
+	var err error
+	result := &Storage{
+		app: app,
+	}
+	storageDir := paths.Storage(app.directory)
+	if err := os.MkdirAll(storageDir, 0755); err != nil {
+		return nil, err
+	}
+	result.bucket, err = fileblob.OpenBucket(storageDir, &fileblob.Options{
+		NoTempDir: true,
+	})
+	if err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
+type StorageWriterOptions = blob.WriterOptions
+
+func (s *Storage) NewWriter(opts *StorageWriterOptions, path ...string) (*blob.Writer, error) {
+	joined := filepath.Join(path...)
+	return s.bucket.NewWriter(s.app.ctx, joined, nil)
+}