{{- bos_token -}}
{%- set system_message = None %}
{%- set loop_messages = messages %}
{%- if messages[0]['role'] == 'system' -%}
    {%- set system_message = messages[0]['content'] %}
    {%- set loop_messages = messages[1:] %}
{%- else -%}
    {%- set system_message = "You are an expert in composing functions." %}
    {%- set loop_messages = messages %}
{%- endif %}

{%- set ns = namespace(in_user_turn=False, skip_until=-1) %}
{%- for message in loop_messages %}
    {%- set idx = loop.index0 %}
    {%- if idx > ns.skip_until %}
        
        {%- if message['role'] == 'user' or message['role'] in ['tool', 'tool_results'] %}
            {%- if not ns.in_user_turn %}
                {{- "<start_of_turn>user" }}{{- "\n" -}}
                {%- set ns.in_user_turn = True %}
            {%- endif %}
            
            {%- if message['role'] == 'user' %}
                {%- if idx == 0 and system_message is not none -%}
                    {{- system_message }}{{- "\n" -}}
                    {%- if tools is not none %}
                        {%- for t in tools %}
                            {{- t | tojson() }}
                            {{-","-}}
                        {%- endfor %}
                        {{-"\n"-}}
                    {%- endif %}
                {%- endif %}
                {{- message.content -}}
            {%- elif message['role'] in ['tool', 'tool_results'] %}
                {{- "\n" -}}{{- "<unused96>" }}{{- "\n" -}}
                {{- message.content -}}
                {{- "\n" -}}{{- "<unused97>" }}
            {%- endif %}
            
            {%- set last_processed_idx = idx %}
            {%- for next_idx in range(idx + 1, loop_messages|length) %}
                {%- set next_message = loop_messages[next_idx] %}
                {%- if next_message['role'] == 'user' or next_message['role'] in ['tool', 'tool_results'] %}
                    {%- if next_message['role'] == 'user' %}
                        {{- "\n" -}}{{- next_message.content -}}
                    {%- elif next_message['role'] in ['tool', 'tool_results'] %}
                        {{- "\n" -}}{{- "<unused96>" }}{{- "\n" -}}
                        {{- next_message.content -}}
                        {{- "\n" -}}{{- "<unused97>" }}
                    {%- endif %}
                    {%- set last_processed_idx = next_idx %}
                {%- else %}
                    {%- break %}
                {%- endif %}
            {%- endfor %}
            {%- set ns.skip_until = last_processed_idx %}
            
        {%- elif message['role'] == 'assistant' %}
            {%- if ns.in_user_turn %}
                {{- "<end_of_turn>" }}{{- "\n" -}}
                {%- set ns.in_user_turn = False %}
            {%- endif %}
            
            {{- "<start_of_turn>model" }}{{- "\n" -}}
            {%- if message.get("content") %}
                {{- message.content }}
            {%- endif %}
            {%- if message.get("tool_calls") %}
                {%- if message.get("content") %}{{- "\n" -}}{%- endif %}
                {{- "<unused94>" }}{{- "\n" -}}
                [
                {%- for tool in message.get("tool_calls") -%}
                    {%- if tool is mapping and tool.get("type") == "function" and tool.get("function") is mapping -%}
                        {%- set func = tool.get("function") -%}
                        {%- if not loop.first %}, {% endif -%}
                        {{- func.get("name", "") }}(
                        {%- if func.get("arguments") is string -%}
                            {{- func.get("arguments") -}}
                        {%- elif func.get("arguments") is mapping -%}
                            {%- for arg_name, arg_value in func.get("arguments").items() -%}
                                {%- if not loop.first %}, {% endif -%}
                                {%- if arg_value is string -%}
                                    {{- arg_name }}='{{ arg_value -}}'
                                {%- else -%}
                                    {{- arg_name }}={{ arg_value|tojson -}}
                                {%- endif -%}
                            {%- endfor -%}
                        {%- endif -%}
                        )
                    {%- endif -%}
                {%- endfor -%}
                ]{{- "\n" -}}
                {{- "<unused95>" }}
            {%- endif %}
            {{- "<end_of_turn>" }}
        {%- endif %}
    {%- endif %}
{%- endfor %}

{%- if ns.in_user_turn %}
    {{- "<end_of_turn>" }}
{%- endif %}

{%- if add_generation_prompt %}
    {{- "\n" -}}{{ "<start_of_turn>model" }}{{- "\n" -}}
{%- endif %}