{#- Text-only ChatML SFT protocol for raon-1-mini. -#}
{%- set truncate_history_thinking = truncate_history_thinking if truncate_history_thinking is defined else false %}
{%- macro render_content(content, is_system_content=false) %}
    {%- if content is string %}
        {{- content }}
    {%- elif content is iterable and content is not mapping %}
        {%- for item in content %}
            {%- if 'text' in item %}
                {{- item.text }}
            {%- else %}
                {{- raise_exception('raon-1-mini supports text content only.') }}
            {%- endif %}
        {%- endfor %}
    {%- elif content is none or content is undefined %}
        {{- '' }}
    {%- else %}
        {{- raise_exception('Unexpected content type.') }}
    {%- endif %}
{%- endmacro %}
{%- macro render_assistant_body(message, content, reasoning_content, preserve_reasoning) %}
    {%- if preserve_reasoning and reasoning_content|trim %}
        {{- '<think>\n' + reasoning_content|trim + '\n</think>\n\n' }}
    {%- else %}
        {{- '<think></think>\n\n' }}
    {%- endif %}
    {{- content }}
    {%- if message.tool_calls and message.tool_calls is iterable and message.tool_calls is not mapping %}
        {%- for tool_call in message.tool_calls %}
            {%- if tool_call.function is defined %}
                {%- set tool_call = tool_call.function %}
            {%- endif %}
            {%- if loop.first %}
                {%- if content|trim %}
                    {{- '\n\n<tool_call>\n<function=' + tool_call.name + '>\n' }}
                {%- else %}
                    {{- '<tool_call>\n<function=' + tool_call.name + '>\n' }}
                {%- endif %}
            {%- else %}
                {{- '\n<tool_call>\n<function=' + tool_call.name + '>\n' }}
            {%- endif %}
            {%- if tool_call.arguments is defined %}
                {%- for args_name, args_value in tool_call.arguments|items %}
                    {{- '<parameter=' + args_name + '>\n' }}
                    {%- set args_value = args_value | string if args_value is string else args_value | tojson | safe %}
                    {{- args_value }}
                    {{- '\n</parameter>\n' }}
                {%- endfor %}
            {%- endif %}
            {{- '</function>\n</tool_call>' }}
        {%- endfor %}
    {%- endif %}
    {{- '<|im_end|>' }}
{%- endmacro %}
{%- if not messages %}
    {{- raise_exception('No messages provided.') }}
{%- endif %}
{%- if tools and tools is iterable and tools is not mapping %}
    {{- '<|im_start|>system\n' }}
    {{- '# Tools\n\nYou have access to the following functions:\n\n<tools>' }}
    {%- for tool in tools %}
        {{- '\n' }}
        {{- tool | tojson }}
    {%- endfor %}
    {{- '\n</tools>' }}
    {{- '\n\nIf you choose to call a function ONLY reply in the following format with NO suffix:\n\n<tool_call>\n<function=example_function_name>\n<parameter=example_parameter_1>\nvalue_1\n</parameter>\n<parameter=example_parameter_2>\nThis is the value for the second parameter\nthat can span\nmultiple lines\n</parameter>\n</function>\n</tool_call>\n\n<IMPORTANT>\nReminder:\n- Function calls MUST follow the specified format: an inner <function=...></function> block must be nested within <tool_call></tool_call> XML tags\n- Required parameters MUST be specified\n- You may provide optional reasoning for your function call in natural language BEFORE the function call, but NOT after\n- If there is no function call available, answer the question like normal with your current knowledge and do not tell the user about function calls\n</IMPORTANT>' }}
    {%- if messages[0].role == 'system' %}
        {%- set content = render_content(messages[0].content, true)|trim %}
        {%- if content %}
            {{- '\n\n' + content }}
        {%- endif %}
    {%- endif %}
    {{- '<|im_end|>\n' }}
{%- elif messages[0].role == 'system' %}
    {%- set content = render_content(messages[0].content, true)|trim %}
    {{- '<|im_start|>system\n' + content + '<|im_end|>\n' }}
{%- 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' %}
        {%- set content = render_content(message.content)|trim %}
        {%- if not(content.startswith('<tool_response>') and content.endswith('</tool_response>')) %}
            {%- set ns.multi_step_tool = false %}
            {%- set ns.last_query_index = index %}
        {%- endif %}
    {%- endif %}
{%- endfor %}
{%- if ns.multi_step_tool %}
    {{- raise_exception('No user query found in messages.') }}
{%- endif %}
{%- for message in messages %}
    {%- set content = render_content(message.content)|trim %}
    {%- if message.role == 'system' %}
        {%- if not loop.first %}
            {{- raise_exception('System message must be at the beginning.') }}
        {%- endif %}
    {%- elif message.role == 'user' %}
        {{- '<|im_start|>user\n' + content + '<|im_end|>\n' }}
    {%- elif message.role == 'assistant' %}
        {%- set reasoning_content = '' %}
        {%- if message.reasoning_content is string %}
            {%- set reasoning_content = message.reasoning_content %}
        {%- elif '</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 %}
        {{- '<|im_start|>assistant\n' }}
        {%- set preserve_reasoning = (not truncate_history_thinking) or (loop.index0 > ns.last_query_index) %}
        {%- if message.loss is defined and message.loss is false %}
            {{- render_assistant_body(message, content, reasoning_content, preserve_reasoning) }}
        {%- else %}
            {%- generation %}
            {{- render_assistant_body(message, content, reasoning_content, preserve_reasoning) }}
            {%- endgeneration %}
        {%- endif %}
        {{- '\n' }}
    {%- elif message.role == 'tool' %}
        {%- if loop.previtem and loop.previtem.role != 'tool' %}
            {{- '<|im_start|>user' }}
        {%- endif %}
        {{- '\n<tool_response>\n' + content + '\n</tool_response>' }}
        {%- if loop.last or loop.nextitem.role != 'tool' %}
            {{- '<|im_end|>\n' }}
        {%- endif %}
    {%- else %}
        {{- raise_exception('Unexpected message role.') }}
    {%- endif %}
{%- endfor %}
{%- if add_generation_prompt %}
    {{- '<|im_start|>assistant\n' }}
    {%- if enable_thinking is defined and enable_thinking is false %}
        {{- '<think></think>\n\n' }}
    {%- else %}
        {{- '<think>\n' }}
    {%- endif %}
{%- endif %}