{%- set ns_img = namespace(count=0) %}
{%- set ns_vid = namespace(count=0) %}
{%- if tools %}
    {{- '<|im_start|>system\n' }}
    {%- if messages[0].role == 'system' %}
        {%- if messages[0].content is string %}
            {%- if messages[0].content %}
                {{- messages[0].content + '\n\n' }}
            {%- endif %}
        {%- elif messages[0].content is sequence %}
            {%- for content_part in messages[0].content %}
                {%- if content_part.type == 'text' %}
                    {{- content_part.text + '\n\n' }}
                {%- endif %}
            {%- endfor %}
        {%- endif %}
    {%- endif %}
    {{- '# Tools\n\n' }}
    {{- 'You may call one or more functions to assist with the user query.\n\n' }}
    {{- 'You are provided with function signatures within <tools></tools> XML tags:\n' }}
    {{- '<tools>\n' }}
    {%- for tool in tools %}
        {{- tool | tojson(ensure_ascii=False) }}
    {%- endfor %}
    {{- '\n</tools>\n\n' }}
    {{- 'For each function call, output the function name and arguments within the following XML format:\n' }}
    {{- '<tool_call>{function-name}\n' }}
    {{- '<arg_key>{arg-key-1}</arg_key>\n' }}
    {{- '<arg_value>{arg-value-1}</arg_value>\n' }}
    {{- '<arg_key>{arg-key-2}</arg_key>\n' }}
    {{- '<arg_value>{arg-value-2}</arg_value>\n' }}
    {{- '...\n' }}
    {{- '</tool_call><|im_end|>\n' }}
{%- else %}
    {%- if messages[0].role == 'system' %}
        {{- '<|im_start|>system\n' }}
        {%- if messages[0].content is string %}
            {{- messages[0].content }}
        {%- elif messages[0].content is sequence %}
            {%- for content_part in messages[0].content %}
                {%- if content_part.type == 'text' %}
                    {{- content_part.text }}
                {%- endif %}
            {%- endfor %}
        {%- endif %}
        {%- if messages[0].content %}
            {{- '\n' }}
        {%- endif %}
        {{- '<|im_end|>\n' }}
    {%- endif %}
{%- endif %}
{%- set ns = namespace(last_user_index=-1) %}
{%- for m in messages %}
    {%- if m.role == 'user' %}
        {%- set ns.last_user_index = loop.index0 %}
    {%- endif %}
{%- endfor %}
{%- for message in messages %}
    {%- set content = message.content %}
    {%- if (message.role == 'system' and not loop.first) %}
        {{- '<|im_start|>' + message.role + '\n' }}
        {%- if content is string %}
            {{- content }}
        {%- elif content is sequence %}
            {%- for content_part in content %}
                {%- if content_part.type == 'text' %}
                    {{- content_part.text }}
                {%- endif %}
            {%- endfor %}
        {%- endif %}
        {{- '<|im_end|>' + '\n' }}
    {%- elif message.role == 'user' %}
        {{- '<|im_start|>user\n' }}
        {%- if message['content'] is string %}
            {{- message['content'] + '<|im_end|>\n' }}
        {%- elif message['content'] is sequence %}
            {%- for content in message['content'] %}
                {%- if not loop.first %}
                    {{- '\n' }}
                {%- endif %}
                {%- if content['type'] == 'image' or 'image' in content or 'image_url' in content %}
                    {%- set image_id = 'image_%02d' % ns_img.count %}
                    {%- set ns_img.count = ns_img.count + 1 %}
                    {%- set mime_type = content.get('mime_type', 'image/jpeg') %}
                    {{- '<|mime_start|>{"id": "' + image_id + '", "type": "' + mime_type + '", "filename": "' + content.get('filename', "a.jpg") + '"}<|mime_end|>\n' }}
                    {{- '<|image_start|><|IMAGE_PAD|><|image_end|>' }}
                {%- elif content['type'] == 'video' or 'video' in content or 'video_url' in content %}
                    {%- set video_id = 'video_%02d' % ns_vid.count %}
                    {%- set ns_vid.count = ns_vid.count + 1 %}
                    {%- set mime_type = content.get('mime_type', 'video/mp4') %}
                    {{- '<|mime_start|>{"id": "' + video_id + '", "type": "' + mime_type + '", "filename": "' + content.get('filename', "a.mp4") + '"}<|mime_end|>\n' }}
                    {{- '<|video_aux_start|>다음 중 video_duration은 비디오 길이 정보입니다. 참고하여 답변하세요. {"video_duration": ' + (content.get('video_duration') | tojson if content.get('video_duration') else '<|video_duration|>') + '}<|video_aux_end|>\n'}}
                    {{- '<|video_start|><|VIDEO_PAD|><|video_end|>'}}
                {%- elif content['type'] == 'text' %}
                    {{- content['text'] }}
                {%- endif %}
            {%- endfor %}
            {{- '<|im_end|>\n'}}
        {%- endif %}
    {%- elif message.role == 'assistant' %}
        {{- '<|im_start|>assistant\n' }}
        {%- if message.content is string %}
            {%- 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_user_index %}
                {%- if (loop.index0 > 0 and messages[loop.index0 - 1].role == 'user') or reasoning_content %}
                    {{- '<think>\n' + reasoning_content.strip('\n') + '\n</think>\n\n' + content.lstrip('\n') }}
                {%- else %}
                    {{- content }}
                {%- endif %}
            {%- else %}
                {{- content }}
            {%- endif %}
        {%- elif message.content is sequence %}
            {%- for content_part in message.content %}
                {%- if content_part.type == 'text' %}
                    {{- content_part.text }}
                    {{- '\n' if not loop.last else '' -}}
                {%- endif %}
            {%- endfor %}
        {%- endif %}
        {%- if message.tool_calls %}
            {%- for tool_call in message.tool_calls %}
                {%- if not loop.first or content %}
                    {{- '\n' }}
                {%- endif %}
                {%- if tool_call.function %}
                    {%- set tool_call = tool_call.function %}
                {%- endif %}
                {{- '<tool_call>' + tool_call.name + '\n' }}
                {%- set _args = tool_call.arguments %}
                {%- for k, v in _args.items() %}
                    {{- '<arg_key>' + k + '</arg_key>\n' }}
                    {{- '<arg_value>' + (v | tojson(ensure_ascii=False) if v is not string else v) + '</arg_value>\n' }}
                {%- endfor %}
                {{- '</tool_call>' }}
            {%- endfor %}
        {%- endif %}
        {{- '<|im_end|>\n' }}
    {%- elif message.role == 'tool' %}
        {%- if loop.first or (messages[loop.index0 - 1].role != 'tool') %}
            {{- '<|im_start|>tool' }}
        {%- endif %}
        {{- '\n<tool_response>' + message.get('name', '') + '\n' }}
        {{- content }}
        {{- '\n</tool_response>' }}
        {%- if loop.last or (messages[loop.index0 + 1].role != 'tool') %}
            {{- '<|im_end|>\n' }}
        {%- endif %}
    {%- endif %}
{%- endfor %}
{%- if add_generation_prompt %}
    {{- '<|im_start|>assistant\n<think>\n' }}
    {%- if skip_reasoning is defined and skip_reasoning is true %}
        {{- '\n</think>\n\n' }}
    {%- endif %}
{%- endif %}