/*
 * Copyright 2025 CloudWeGo Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package agents

import (
	"context"

	"github.com/cloudwego/eino-ext/components/tool/duckduckgo/v2"
	"github.com/cloudwego/eino/adk"
	"github.com/cloudwego/eino/components/tool"
	"github.com/cloudwego/eino/compose"

	"github.com/cloudwego/eino-examples/adk/multiagent/deep/utils"
)

func NewWebSearchAgent(ctx context.Context) (adk.Agent, error) {
	cm, err := utils.NewChatModel(ctx)
	if err != nil {
		return nil, err
	}

	searchTool, err := duckduckgo.NewTextSearchTool(ctx, &duckduckgo.Config{})
	if err != nil {
		return nil, err
	}

	return adk.NewChatModelAgent(ctx, &adk.ChatModelAgentConfig{
		Name:        "WebSearchAgent",
		Description: "WebSearchAgent utilizes the ReAct model to analyze input information and accomplish tasks using web search tools.",
		Model:       cm,
		ToolsConfig: adk.ToolsConfig{
			ToolsNodeConfig: compose.ToolsNodeConfig{
				Tools: []tool.BaseTool{searchTool},
			},
		},
		MaxIterations: 10,
	})
}