package subscription
import (
"bytes"
"context"
"encoding/json"
"io"
"log/slog"
"github.com/eat-pray-ai/yutu/cmd"
"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 (
deleteShort = "Delete a YouTube subscriptions"
deleteLong = "Delete a YouTube subscriptions by ids"
deleteIdsUsage = "IDs of the subscriptions to delete"
)
type deleteIn struct {
Ids []string `json:"ids"`
}
var deleteInSchema = &jsonschema.Schema{
Type: "object",
Required: []string{"ids"},
Properties: map[string]*jsonschema.Schema{
"ids": {
Type: "array", Items: &jsonschema.Schema{
Type: "string",
},
Description: deleteIdsUsage,
Default: json.RawMessage(`[]`),
},
},
}
func init() {
mcp.AddTool(
cmd.Server, &mcp.Tool{
Name: "subscription-delete", Title: deleteShort, Description: deleteLong,
InputSchema: deleteInSchema, Annotations: &mcp.ToolAnnotations{
DestructiveHint: jsonschema.Ptr(true),
IdempotentHint: true,
OpenWorldHint: jsonschema.Ptr(true),
ReadOnlyHint: false,
},
}, deleteHandler,
)
subscriptionCmd.AddCommand(deleteCmd)
deleteCmd.Flags().StringSliceVarP(&ids, "ids", "i", []string{}, deleteIdsUsage)
_ = deleteCmd.MarkFlagRequired("ids")
}
var deleteCmd = &cobra.Command{
Use: "delete",
Short: deleteShort,
Long: deleteLong,
Run: func(cmd *cobra.Command, args []string) {
err := del(cmd.OutOrStdout())
if err != nil {
_ = cmd.Help()
cmd.PrintErrf("Error: %v\n", err)
}
},
}
func deleteHandler(
ctx context.Context, _ *mcp.CallToolRequest, input deleteIn,
) (*mcp.CallToolResult, any, error) {
ids = input.Ids
slog.InfoContext(ctx, "subscription delete started")
var writer bytes.Buffer
err := del(&writer)
if err != nil {
slog.ErrorContext(
ctx, "subscription delete failed", "error", err, "input", input,
)
return nil, nil, err
}
slog.InfoContext(
ctx, "subscription delete completed successfully",
"resultSize", writer.Len(),
)
return &mcp.CallToolResult{Content: []mcp.Content{&mcp.TextContent{Text: writer.String()}}}, nil, nil
}
func del(writer io.Writer) error {
s := subscription.NewSubscription(
subscription.WithIDs(ids), subscription.WithService(nil),
)
return s.Delete(writer)
}
