// Copyright 2025 eat-pray-ai & OpenWaygate
// SPDX-License-Identifier: Apache-2.0
package video
import (
"bytes"
"context"
"encoding/json"
"io"
"log/slog"
"time"
"github.com/eat-pray-ai/yutu/cmd"
"github.com/eat-pray-ai/yutu/pkg/video"
"github.com/google/jsonschema-go/jsonschema"
"github.com/modelcontextprotocol/go-sdk/mcp"
"github.com/spf13/cobra"
)
const (
rateTool = "video-rate"
rateShort = "Rate a video on YouTube"
rateLong = "Rate a video on YouTube, with the specified rating"
rateIdsUsage = "IDs of the videos to rate"
rateRUsage = "like|dislike|none"
)
type rateIn struct {
Ids []string `json:"ids"`
Rating string `json:"rating"`
}
var rateInSchema = &jsonschema.Schema{
Type: "object",
Required: []string{"ids", "rating"},
Properties: map[string]*jsonschema.Schema{
"ids": {
Type: "array", Items: &jsonschema.Schema{
Type: "string",
},
Description: rateIdsUsage,
Default: json.RawMessage(`[]`),
},
"rating": {
Type: "string", Enum: []any{"like", "dislike", "none", ""},
Description: rateRUsage, Default: json.RawMessage(`""`),
},
},
}
func init() {
mcp.AddTool(
cmd.Server, &mcp.Tool{
Name: rateTool, Title: rateShort, Description: rateLong,
InputSchema: rateInSchema, Annotations: &mcp.ToolAnnotations{
DestructiveHint: jsonschema.Ptr(false),
IdempotentHint: false,
OpenWorldHint: jsonschema.Ptr(true),
ReadOnlyHint: false,
},
}, rateHandler,
)
videoCmd.AddCommand(rateCmd)
rateCmd.Flags().StringSliceVarP(&ids, "ids", "i", []string{}, rateIdsUsage)
rateCmd.Flags().StringVarP(&rating, "rating", "r", "", rateRUsage)
_ = rateCmd.MarkFlagRequired("ids")
_ = rateCmd.MarkFlagRequired("rating")
}
var rateCmd = &cobra.Command{
Use: "rate",
Short: rateShort,
Long: rateLong,
Run: func(cmd *cobra.Command, args []string) {
err := rate(cmd.OutOrStdout())
if err != nil {
_ = cmd.Help()
cmd.PrintErrf("Error: %v\n", err)
}
},
}
func rateHandler(
ctx context.Context, req *mcp.CallToolRequest, input rateIn,
) (*mcp.CallToolResult, any, error) {
logger := slog.New(
mcp.NewLoggingHandler(
req.Session,
&mcp.LoggingHandlerOptions{LoggerName: rateTool, MinInterval: time.Second},
),
)
ids = input.Ids
rating = input.Rating
var writer bytes.Buffer
err := rate(&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 rate(writer io.Writer) error {
v := video.NewVideo(
video.WithIDs(ids),
video.WithRating(rating),
video.WithService(nil),
)
return v.Rate(writer)
}
