Initial commit on Forgejo

Fresh repository history for elektrine/tarakan-client hosted at
https://git.elektrine.com/elektrine/tarakan-client.

internal/headless/headless.go

@@ -0,0 +1,43 @@
+package headless
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+
+	"github.com/atomine-elektrine/tarakan-client/internal/agent"
+	repoctx "github.com/atomine-elektrine/tarakan-client/internal/context"
+	"github.com/atomine-elektrine/tarakan-client/internal/reviewdoc"
+)
+
+type Event struct {
+	Type       string          `json:"type"`
+	Repository *repoctx.Info   `json:"repository,omitempty"`
+	Agent      *agent.Provider `json:"agent,omitempty"`
+	Content    string          `json:"content,omitempty"`
+	Error      string          `json:"error,omitempty"`
+}
+
+func Run(ctx context.Context, output io.Writer, repository repoctx.Info, provider agent.Provider, prompt string) error {
+	encoder := json.NewEncoder(output)
+	if err := encoder.Encode(Event{Type: "session.started", Repository: &repository, Agent: &provider}); err != nil {
+		return err
+	}
+
+	content, err := agent.Run(ctx, provider, agent.Request{
+		Prompt:    reviewdoc.FreeformPrompt(prompt),
+		Directory: repository.Root,
+	})
+	if err != nil {
+		encodeErr := encoder.Encode(Event{Type: "session.error", Agent: &provider, Content: content, Error: err.Error()})
+		if encodeErr != nil {
+			return encodeErr
+		}
+		return err
+	}
+	if err := encoder.Encode(Event{Type: "session.completed", Agent: &provider, Content: content}); err != nil {
+		return fmt.Errorf("encode result: %w", err)
+	}
+	return nil
+}