{%- set user_messages = messages | selectattr('role', 'equalto', 'user') | list %}
{%- macro output_available_tools(tools, message) %}
{%- if tools and (message == user_messages[-1]) %}
    {{- '<|available_tools|>[' }}
    {%- for tool in tools %}
        {%- set tool = tool.function %}
        {{- "{" }}
        {%- for key, val in tool.items() if key != "return" %}
            {%- if val is string %}
                {{- "'" + key + "': '" + val + "'" }}
            {%- else %}
                {{- "'" + key + "': " + val|string }}
            {%- endif %}
            {%- if not loop.last %}
                {{- ", " }}
            {%- endif %}
        {%- endfor %}
        {{- "}" }}
        {%- if not loop.last %}
            {{- ", " }}
        {%- else %}
            {{- "]" }}
        {%- endif %}
    {%- endfor %}
    {{- eos_token -}}
{%- endif %}
{%- endmacro %}

{%- macro output_tool_results(tool_results) %}
{{- '<|tool_results|>[' }}
{%- for tool_result in tool_results %}
    {{- "{'content': " + tool_result.content|string + ", 'call_id': '" + tool_result.call_id + "'}" }}
{%- endfor %}
{{- ']' }}
{{- eos_token -}}
{%- endmacro %}

{%- macro output_tool_calls(tool_calls) %}
{{- '<|tool_calls|>[' }}
{%- for tool_call in tool_calls %}
    {{- "{'id': '" + tool_call.id + "', 'name': '" + tool_call.name + "', 'arguments': " + tool_call.arguments|string + '}' }}
{%- endfor %}
{{- ']' }}
{%- endmacro %}

{%- for message in messages %}
    {%- if message['role'] == 'user' %}
        {%- if tools is defined %}
            {{- output_available_tools(tools, message) }}
        {%- endif %}
        {{- '<|user|>' + message['content'] + eos_token -}}
    {%- elif message['role'] == 'system' %}
        {{- '<|system|>' + message['content'] + eos_token -}}
    {%- elif message['role'] == 'assistant' %}
        {% set assistant_content = "" %}
        {%- if message.content is defined %}
            {% set assistant_content = message.content %}
        {%- endif %}
        {%- if message.tool_calls is defined and message.tool_calls -%}
            {{- '<|assistant|>' + assistant_content + output_tool_calls(message['tool_calls']) + eos_token -}}
        {%- else %}
            {{- '<|assistant|>' + assistant_content + eos_token }}
        {%- endif %}
    {%- elif message['role'] == 'tool_results' %}
        {{- output_tool_results(message.tool_results) }}
    {%- endif %}
{%- if loop.last and add_generation_prompt -%}
  {{- '<|assistant|>' -}}
{%- endif -%}
{%- endfor %}