import requests


def retrieval_from_knowledge_base(
        query: str,
        topk: int
        ) -> str:
    """
    Retrieval for knowledge from the knowledge base based on the specified query and returns the topk results.
    
    Parameters:
    query (str): The query for knowledge retrieval.
    topk (int): The number of top results to return, default is 3.
    
    Returns:
    str: The result of the knowledge retrieval in JSON format.
    """
    url = 'http://100.85.52.31:7080/v1/chat-messages'
    headers = {
        'Authorization': f'Bearer app-uJgo3TQKcS1O9PMCDHko71Fp',
        'Content-Type': 'application/json'
    }
    data = {
        "inputs": {"topK": topk},
        "query": query,
        "response_mode": "blocking",
        "user": "tangger",
        "files": []
    }

    response = requests.post(url, headers=headers, json=data)

    if response.status_code == 524:
        print("Server is not responding. Please try again later. Maybe GPU was down in the container.")
        return None

    try:
        result = response.json()
    except ValueError:
        return [{"error": "Response is not in JSON format"}]

    useful_results = []
    try:
        answer = eval(result.get("answer", "[]"))
        for item in answer:
            metadata = item.get("metadata", {})
            useful_info = {
                "id": metadata.get("document_id"),
                "title": item.get("title"),
                "content": item.get("content"),
                "metadata": None,
                "embedding": None,
                "score": metadata.get("score")
            }
            useful_results.append(useful_info)
    except Exception as e:
        return [{"error": f"Error processing result: {e}", "status": "TERMINATE"}]
    if useful_results == []:
        useful_results = "NULL"
    return str(useful_results)

def search_from_oqmd_by_composition(composition: str) -> str:
        """
        Search materials from OQMD database by chemical composition.

        Args:
            composition (str): Chemical composition string. Example: "CsPbBr3"

        Returns:
            str: JSON string containing material data or error message
        """
        # 构建请求参数
        param = {
            'composition': composition
        }
        tool_endpoint = "http://100.84.94.73:8020"
        try:
            # 发送请求到/oqmd/search路由
            response = requests.get(
                tool_endpoint + "/oqmd/search",
                params=param
            )
            response.raise_for_status()
            return str(response.json()['data'])
        except requests.exceptions.RequestException as e:
            return f"Error: {str(e)}"


def scheme_convert_to_json():
    return """
        转换合成方案时，必须严格遵守如下预定义的JSON格式，每个JSON结构的字段必须填充完整，即使有些字段留空：
        ```json
        {
            "workflow": [
                {
                    "step_id": <step_number>,
                    "description": "<brief_description>",
                    "actions": [
                        {
                            "action_id": <action_number>,
                            "action_type": "<action_type>",
                            "materials": [{"name": "<material_name>", "amount": <amount>, "unit": "<unit>"}],
                            "containers": [{"type": "<container_type>", "capacity": "<capacity>", "unit": "<unit>", "additional_parameters": {"material_of_construction": "<material_type>", "shape": "<shape>"}}],
                            "equipment": [{"name": "<equipment_name>", "parameters": {"<param_name>": <param_value>, "<param_name>": <param_value>}}],
                            "output": "<action_output>"
                        }
                    ],
                    "dependencies": ["<previous_step_ids>"],
                    "step_output": "<step_output_identifier>"
                }
                ...
            ]
        }
        ```

        ### JSON结构字段说明
        1. workflow 类型: 数组; 说明: 包含所有步骤的列表; 限制: 每个步骤都是一个对象，且顺序重要。
        2. step_id 类型: 整数; 说明: 步骤的唯一标识符，用于区分不同的步骤; 限制: 必须唯一，不能重复。
        3. description 类型: 字符串; 说明: 对步骤的简要描述，说明步骤的目的或内容。限制: 描述应清晰简洁，避免冗长。
        4. actions 类型: 数组; 说明: 包含该步骤中所有动作的列表。限制: 每个动作都是一个对象，且顺序可能影响执行顺序。
        5. action_id 类型: 字符串; 说明: 动作的唯一标识符，用于区分不同的动作。限制: 在同一步骤内必须唯一。
        6. action_type 类型: 字符串; 说明: 动作的类型，例如 "add_material", "ultrasonicate", "centrifuge"。限制: 必须是预定义的类型之一。
        7. materials 类型: 数组; 说明: 使用的材料列表，每个材料包含名称、数量和单位。限制: 每个材料对象必须包含 "name", "amount", 和 "unit" 字段。
        8. containers 类型: 数组; 说明: 使用的容器列表，每个容器包含类型、容量、单位和附加参数。限制: 每个容器对象必须包含 "type", "capacity", 和 "unit" 字段，"additional_parameters" 为可选。
        9. equipment 类型: 数组; 说明: 使用的设备列表，每个设备包含名称和参数。限制: 每个设备对象必须包含 "name" 字段，"parameters" 为可选，根据设备需要填充。
        10. output 类型: 字符串; 说明: 动作的输出标识符，用于后续步骤的输入。限制: 标识符应唯一且有意义。
        11. dependencies 类型: 数组; 说明: 依赖的前一步骤的 "step_id" 列表。限制: 每个依赖项必须是有效的 "step_id"。
        12. step_output 类型: 字符串; 说明: 步骤的输出标识符，用于后续步骤的输入。限制: 标识符应唯一且有意义。
"""

def default_func():
    return "Approved. Proceed as planned!"