From d97741966a6c97b5db7df62873bd2ee9d99f0565 Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Sun, 19 Apr 2026 23:13:06 +0300
Subject: y4: wire ComicForge CLI providers and config

---
 internal/image/gemini.go | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

(limited to 'internal/image')

diff --git a/internal/image/gemini.go b/internal/image/gemini.go
index 57fa61a..85da3a8 100644
--- a/internal/image/gemini.go
+++ b/internal/image/gemini.go
@@ -12,6 +12,7 @@ import (
 	"image/png"
 	"io"
 	"net/http"
+	"os"
 	"strings"
 	"time"
 
@@ -165,6 +166,47 @@ func (c *GeminiProvider) Search(ctx context.Context, opts *SearchOptions) ([]Sea
 	return []SearchResult{result}, nil
 }
 
+// IsAvailable reports whether the provider was initialized successfully.
+func (c *GeminiProvider) IsAvailable() error {
+	return c.ensureReady()
+}
+
+// GenerateImage renders the first generated image to outputFile.
+func (c *GeminiProvider) GenerateImage(ctx context.Context, prompt, outputFile string) error {
+	if c == nil {
+		return fmt.Errorf("image provider is nil")
+	}
+	if ctx == nil {
+		ctx = context.Background()
+	}
+	if strings.TrimSpace(prompt) == "" {
+		return fmt.Errorf("prompt is required")
+	}
+	if strings.TrimSpace(outputFile) == "" {
+		return fmt.Errorf("output file is required")
+	}
+	results, err := c.Search(ctx, &SearchOptions{Query: prompt})
+	if err != nil {
+		return err
+	}
+	if len(results) == 0 {
+		return fmt.Errorf("no image results returned")
+	}
+	rc, err := c.Download(ctx, results[0].URL)
+	if err != nil {
+		return err
+	}
+	defer rc.Close()
+	data, err := io.ReadAll(rc)
+	if err != nil {
+		return fmt.Errorf("read image data: %w", err)
+	}
+	if err := os.WriteFile(outputFile, data, 0o644); err != nil {
+		return fmt.Errorf("write image: %w", err)
+	}
+	return nil
+}
+
 // Download returns the image bytes for a data URI or a remote URL.
 func (c *GeminiProvider) Download(ctx context.Context, url string) (io.ReadCloser, error) {
 	if strings.HasPrefix(url, geminiDataPrefix) {
-- 
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