// Copyright 2025 eat-pray-ai & OpenWaygate
// SPDX-License-Identifier: Apache-2.0
package playlistImage
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/playlistImage"
"github.com/google/jsonschema-go/jsonschema"
"github.com/modelcontextprotocol/go-sdk/mcp"
"github.com/spf13/cobra"
)
const (
updateTool = "playlistImage-update"
updateShort = "Update a playlist image"
updateLong = "Update a playlist image for a given playlist id"
)
type updateIn struct {
PlaylistId string `json:"playlistId"`
Type string `json:"type"`
Height int64 `json:"height"`
Width int64 `json:"width"`
Output string `json:"output"`
Jsonpath string `json:"jsonpath"`
}
var updateInSchema = &jsonschema.Schema{
Type: "object",
Required: []string{"playlistId"},
Properties: map[string]*jsonschema.Schema{
"playlistId": {
Type: "string", Description: pidUsage,
Default: json.RawMessage(`""`),
},
"type": {
Type: "string", Description: typeUsage,
Default: json.RawMessage(`""`),
},
"height": {
Type: "number", Description: heightUsage,
Default: json.RawMessage("0"),
Minimum: jsonschema.Ptr(float64(0)),
},
"width": {
Type: "number", Description: widthUsage,
Default: json.RawMessage("0"),
Minimum: jsonschema.Ptr(float64(0)),
},
"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: updateTool, Title: updateShort, Description: updateLong,
InputSchema: updateInSchema, Annotations: &mcp.ToolAnnotations{
DestructiveHint: jsonschema.Ptr(false),
IdempotentHint: true,
OpenWorldHint: jsonschema.Ptr(true),
ReadOnlyHint: false,
},
}, updateHandler,
)
playlistImageCmd.AddCommand(updateCmd)
updateCmd.Flags().StringVarP(&playlistId, "playlistId", "p", "", pidUsage)
updateCmd.Flags().StringVarP(&type_, "type", "t", "", typeUsage)
updateCmd.Flags().Int64VarP(&height, "height", "H", 0, heightUsage)
updateCmd.Flags().Int64VarP(&width, "width", "W", 0, widthUsage)
updateCmd.Flags().StringVarP(&output, "output", "o", "", pkg.SilentUsage)
updateCmd.Flags().StringVarP(&jpath, "jsonPath", "j", "", pkg.JPUsage)
_ = updateCmd.MarkFlagRequired("playlistId")
}
var updateCmd = &cobra.Command{
Use: "update",
Short: updateShort,
Long: updateLong,
Run: func(cmd *cobra.Command, args []string) {
err := update(cmd.OutOrStdout())
if err != nil {
_ = cmd.Help()
cmd.PrintErrf("Error: %v\n", err)
}
},
}
func updateHandler(
ctx context.Context, req *mcp.CallToolRequest, input updateIn,
) (*mcp.CallToolResult, any, error) {
logger := slog.New(
mcp.NewLoggingHandler(
req.Session,
&mcp.LoggingHandlerOptions{
LoggerName: updateTool, MinInterval: time.Second,
},
),
)
playlistId = input.PlaylistId
type_ = input.Type
height = input.Height
width = input.Width
output = input.Output
jpath = input.Jsonpath
var writer bytes.Buffer
err := update(&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 update(writer io.Writer) error {
pi := playlistImage.NewPlaylistImage(
playlistImage.WithPlaylistID(playlistId),
playlistImage.WithType(type_),
playlistImage.WithHeight(height),
playlistImage.WithWidth(width),
playlistImage.WithMaxResults(1),
playlistImage.WithService(nil),
)
return pi.Update(output, jpath, writer)
}
