// Copyright 2025 eat-pray-ai & OpenWaygate
// SPDX-License-Identifier: Apache-2.0
package thumbnail
import (
"bytes"
"context"
"encoding/json"
"io"
"log/slog"
"time"
"github.com/eat-pray-ai/yutu/cmd"
"github.com/eat-pray-ai/yutu/pkg"
"github.com/eat-pray-ai/yutu/pkg/thumbnail"
"github.com/google/jsonschema-go/jsonschema"
"github.com/modelcontextprotocol/go-sdk/mcp"
"github.com/spf13/cobra"
)
const (
setTool = "thumbnail-set"
)
type setIn struct {
File string `json:"file"`
VideoId string `json:"videoId"`
Output string `json:"output"`
Jsonpath string `json:"jsonpath"`
}
var setInSchema = &jsonschema.Schema{
Type: "object",
Required: []string{"file", "videoId"},
Properties: map[string]*jsonschema.Schema{
"file": {
Type: "string", Description: fileUsage,
Default: json.RawMessage(`""`),
},
"videoId": {
Type: "string", Description: vidUsage,
Default: json.RawMessage(`""`),
},
"output": {
Type: "string", Enum: []any{"json", "yaml", "silent", ""},
Description: pkg.SilentUsage, Default: json.RawMessage(`"yaml"`),
},
"jsonpath": {
Type: "string", Description: pkg.JPUsage,
Default: json.RawMessage(`""`),
},
},
}
func init() {
mcp.AddTool(
cmd.Server, &mcp.Tool{
Name: setTool, Title: short, Description: long,
InputSchema: setInSchema, Annotations: &mcp.ToolAnnotations{
DestructiveHint: jsonschema.Ptr(false),
IdempotentHint: true,
OpenWorldHint: jsonschema.Ptr(true),
ReadOnlyHint: false,
},
}, setHandler,
)
thumbnailCmd.AddCommand(setCmd)
setCmd.Flags().StringVarP(&file, "file", "f", "", fileUsage)
setCmd.Flags().StringVarP(&videoId, "videoId", "v", "", vidUsage)
setCmd.Flags().StringVarP(&output, "output", "o", "", pkg.SilentUsage)
setCmd.Flags().StringVarP(&jpath, "jsonpath", "j", "", pkg.JPUsage)
_ = setCmd.MarkFlagRequired("file")
_ = setCmd.MarkFlagRequired("videoId")
}
var setCmd = &cobra.Command{
Use: "set",
Short: short,
Long: long,
Run: func(cmd *cobra.Command, args []string) {
err := set(cmd.OutOrStdout())
if err != nil {
_ = cmd.Help()
cmd.PrintErrf("Error: %v\n", err)
}
},
}
func setHandler(
ctx context.Context, req *mcp.CallToolRequest, input setIn,
) (*mcp.CallToolResult, any, error) {
logger := slog.New(
mcp.NewLoggingHandler(
req.Session,
&mcp.LoggingHandlerOptions{LoggerName: setTool, MinInterval: time.Second},
),
)
file = input.File
videoId = input.VideoId
output = input.Output
jpath = input.Jsonpath
var writer bytes.Buffer
err := set(&writer)
if err != nil {
logger.ErrorContext(ctx, err.Error(), "input", input)
return nil, nil, err
}
return &mcp.CallToolResult{Content: []mcp.Content{&mcp.TextContent{Text: writer.String()}}}, nil, nil
}
func set(writer io.Writer) error {
t := thumbnail.NewThumbnail(
thumbnail.WithFile(file),
thumbnail.WithVideoId(videoId),
thumbnail.WithService(nil),
)
return t.Set(output, jpath, writer)
}
