{%- set principle_ns = namespace(has_principle=false, principle_content='') %}
{%- for message in messages %}
    {%- if message.role == 'principle' %}
        {%- set principle_ns.has_principle = true %}
        {%- set principle_ns.principle_content = message.content %}
    {%- endif %}
{%- endfor %}

{%- if principle_ns.has_principle %}
    {# GenRM principle evaluation format #}
    {%- if messages[0].role == 'system' %}
        {{- '<|im_start|>system\n' + messages[0].content + '<|im_end|>\n' }}
    {%- endif %}
    {{- '<|im_start|>user\n' }}
    {{- 'You are an expert evaluator tasked with assessing assistant responses based on specific principles. Below is a multi-turn conversation between a user and an assistant. Your task is to judge whether the last assistant response adheres to the specified principle.\n\n' }}
    {{- '[Start of Conversation]\n' }}
    {%- for message in messages %}
        {%- if message.role != 'principle' and message.role != 'system' %}
            {%- if message.content is string %}
                {%- set content = message.content %}
            {%- else %}
                {%- set content = '' %}
            {%- endif %}
            {%- if message.role == 'assistant' %}
                {{- 'Assistant:\n' + content }}
            {%- elif message.role == 'user' %}
                {{- 'User:\n' + content }}
            {%- else %}
                {{- message.role|capitalize + ':\n' + content }}
            {%- endif %}
            {%- if not loop.last %}
                {%- set next_msg_idx = loop.index %}
                {%- if next_msg_idx < messages|length and messages[next_msg_idx].role != 'principle' %}
                    {{- '\n\n' }}
                {%- endif %}
            {%- endif %}
        {%- endif %}
    {%- endfor %}
    {{- '\n[End of Conversation]\n\n' }}
    {{- '[Start of Principle]\n' }}
    {{- principle_ns.principle_content }}
    {{- '\n[End of Principle]\n\n' }}
    {{- 'Your task:\n' }}
    {{- '1. Carefully read the entire conversation.\n' }}
    {{- '2. Judge whether the assistant\'s final response adheres to the principle above.\n' }}
    {{- '3. Think step by step, citing concrete evidence from the conversation.\n' }}
    {{- '4. After your reasoning, output exactly: "Final Judgement: Yes" or "Final Judgement: No".\n\n' }}
    {{- 'Do NOT output anything after the line that contains the final judgement.' }}
    {{- '<|im_end|>\n' }}
{%- else %}
    {# Original template logic for non-principle cases #}
{%- if tools %}
    {{- '<|im_start|>system\n' }}
    {%- if messages[0].role == 'system' %}
        {{- messages[0].content + '\n\n' }}
    {%- endif %}
    {{- "# Tools\n\nYou may call one or more functions to assist with the user query.\n\nYou are provided with function signatures within <tools></tools> XML tags:\n<tools>" }}
    {%- for tool in tools %}
        {{- "\n" }}
        {{- tool | tojson }}
    {%- endfor %}
    {{- "\n</tools>\n\nFor each function call, return a json object with function name and arguments within <tool_call></tool_call> XML tags:\n<tool_call>\n{\"name\": <function-name>, \"arguments\": <args-json-object>}\n</tool_call><|im_end|>\n" }}
{%- else %}
    {%- if messages[0].role == 'system' %}
        {{- '<|im_start|>system\n' + messages[0].content + '<|im_end|>\n' }}
    {%- endif %}
{%- endif %}
{%- set ns = namespace(multi_step_tool=true, last_query_index=messages|length - 1) %}
{%- for message in messages[::-1] %}
    {%- set index = (messages|length - 1) - loop.index0 %}
    {%- if ns.multi_step_tool and message.role == "user" and message.content is string and not(message.content.startswith('<tool_response>') and message.content.endswith('</tool_response>')) %}
        {%- set ns.multi_step_tool = false %}
        {%- set ns.last_query_index = index %}
    {%- endif %}
{%- endfor %}
{%- for message in messages %}
    {%- if message.content is string %}
        {%- set content = message.content %}
    {%- else %}
        {%- set content = '' %}
    {%- endif %}
    {%- if (message.role == "user") or (message.role == "system" and not loop.first) %}
        {{- '<|im_start|>' + message.role + '\n' + content + '<|im_end|>' + '\n' }}
    {%- elif message.role == "assistant" %}
        {%- set reasoning_content = '' %}
        {%- if message.reasoning_content is string %}
            {%- set reasoning_content = message.reasoning_content %}
        {%- else %}
            {%- if '</think>' in content %}
                {%- set reasoning_content = content.split('</think>')[0].rstrip('\n').split('<think>')[-1].lstrip('\n') %}
                {%- set content = content.split('</think>')[-1].lstrip('\n') %}
            {%- endif %}
        {%- endif %}
        {%- if loop.index0 > ns.last_query_index %}
            {%- if loop.last or (not loop.last and reasoning_content) %}
                {{- '<|im_start|>' + message.role + '\n<think>\n' + reasoning_content.strip('\n') + '\n</think>\n\n' + content.lstrip('\n') }}
            {%- else %}
                {{- '<|im_start|>' + message.role + '\n' + content }}
            {%- endif %}
        {%- else %}
            {{- '<|im_start|>' + message.role + '\n' + content }}
        {%- endif %}
        {%- if message.tool_calls %}
            {%- for tool_call in message.tool_calls %}
                {%- if (loop.first and content) or (not loop.first) %}
                    {{- '\n' }}
                {%- endif %}
                {%- if tool_call.function %}
                    {%- set tool_call = tool_call.function %}
                {%- endif %}
                {{- '<tool_call>\n{"name": "' }}
                {{- tool_call.name }}
                {{- '", "arguments": ' }}
                {%- if tool_call.arguments is string %}
                    {{- tool_call.arguments }}
                {%- else %}
                    {{- tool_call.arguments | tojson }}
                {%- endif %}
                {{- '}\n</tool_call>' }}
            {%- endfor %}
        {%- endif %}
        {{- '<|im_end|>\n' }}
    {%- elif message.role == "tool" %}
        {%- if loop.first or (messages[loop.index0 - 1].role != "tool") %}
            {{- '<|im_start|>user' }}
        {%- endif %}
        {{- '\n<tool_response>\n' }}
        {{- content }}
        {{- '\n</tool_response>' }}
        {%- if loop.last or (messages[loop.index0 + 1].role != "tool") %}
            {{- '<|im_end|>\n' }}
        {%- endif %}
    {%- endif %}
{%- endfor %}
{%- endif %}
{%- if add_generation_prompt %}
    {{- '<|im_start|>assistant\n' }}
    {%- if enable_thinking is defined and enable_thinking is false %}
        {{- '<think>\n\n</think>\n\n' }}
    {%- endif %}
{%- endif %}