package client

import (
	"context"
	"encoding/json"
)

// Caller invokes an MCP tool by name and returns its JSON result.
type Caller interface {
	Call(ctx context.Context, name string, args map[string]any) (json.RawMessage, error)
}

// Func adapts a function to Caller so tests can inject a stub.
type Func func(ctx context.Context, name string, args map[string]any) (json.RawMessage, error)

func (f Func) Call(ctx context.Context, name string, args map[string]any) (json.RawMessage, error) {
	return f(ctx, name, args)
}