// Copyright 2025 eat-pray-ai & OpenWaygate
// SPDX-License-Identifier: Apache-2.0
package subscription
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/subscription"
"github.com/google/jsonschema-go/jsonschema"
"github.com/modelcontextprotocol/go-sdk/mcp"
"github.com/spf13/cobra"
)
const (
insertTool = "subscription-insert"
insertShort = "Insert a YouTube subscription"
insertLong = "Insert a YouTube subscription"
insertCidUsage = "ID of the channel to be subscribed"
)
type insertIn struct {
SubscriberChannelId string `json:"subscriberChannelId"`
Description string `json:"description"`
ChannelId string `json:"channelId"`
Title string `json:"title"`
Output string `json:"output"`
Jsonpath string `json:"jsonpath"`
}
var insertInSchema = &jsonschema.Schema{
Type: "object",
Required: []string{"subscriberChannelId", "channelId"},
Properties: map[string]*jsonschema.Schema{
"subscriberChannelId": {
Type: "string", Description: scidUsage,
Default: json.RawMessage(`""`),
},
"description": {
Type: "string", Description: descUsage,
Default: json.RawMessage(`""`),
},
"channelId": {
Type: "string", Description: insertCidUsage,
Default: json.RawMessage(`""`),
},
"title": {
Type: "string", Description: titleUsage,
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: insertTool, Title: insertShort, Description: insertLong,
InputSchema: insertInSchema, Annotations: &mcp.ToolAnnotations{
DestructiveHint: jsonschema.Ptr(false),
IdempotentHint: false,
OpenWorldHint: jsonschema.Ptr(true),
ReadOnlyHint: false,
},
}, insertHandler,
)
subscriptionCmd.AddCommand(insertCmd)
insertCmd.Flags().StringVarP(
&subscriberChannelId, "subscriberChannelId", "s", "", scidUsage,
)
insertCmd.Flags().StringVarP(&description, "description", "d", "", descUsage)
insertCmd.Flags().StringVarP(&channelId, "channelId", "c", "", insertCidUsage)
insertCmd.Flags().StringVarP(&title, "title", "t", "", titleUsage)
insertCmd.Flags().StringVarP(&output, "output", "o", "", pkg.SilentUsage)
insertCmd.Flags().StringVarP(&jpath, "jsonpath", "j", "", pkg.JPUsage)
_ = insertCmd.MarkFlagRequired("subscriberChannelId")
_ = insertCmd.MarkFlagRequired("channelId")
}
var insertCmd = &cobra.Command{
Use: "insert",
Short: insertShort,
Long: insertLong,
Run: func(cmd *cobra.Command, args []string) {
err := insert(cmd.OutOrStdout())
if err != nil {
_ = cmd.Help()
cmd.PrintErrf("Error: %v\n", err)
}
},
}
func insertHandler(
ctx context.Context, req *mcp.CallToolRequest, input insertIn,
) (*mcp.CallToolResult, any, error) {
logger := slog.New(
mcp.NewLoggingHandler(
req.Session,
&mcp.LoggingHandlerOptions{
LoggerName: insertTool, MinInterval: time.Second,
},
),
)
subscriberChannelId = input.SubscriberChannelId
description = input.Description
channelId = input.ChannelId
title = input.Title
output = input.Output
jpath = input.Jsonpath
var writer bytes.Buffer
err := insert(&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 insert(writer io.Writer) error {
s := subscription.NewSubscription(
subscription.WithSubscriberChannelId(subscriberChannelId),
subscription.WithDescription(description),
subscription.WithChannelId(channelId),
subscription.WithTitle(title),
subscription.WithService(nil),
)
return s.Insert(output, jpath, writer)
}
