{#-
  Modifications:
    * Adding support for arguments as string so that minja does not detect the need to apply polyfills. This is dead path for OVMS as it always converts arguments to dict anyway. 
#}
{{- bos_token -}}
{%- set preserve_thinking = preserve_thinking | default(false) -%}

{%- macro format_arg_value(arg_value) -%}
    {%- if arg_value is string -%}
        {{- "'" + arg_value + "'" -}}
    {%- elif arg_value is mapping -%}
        {{- arg_value | tojson -}}
    {%- else -%}
        {{- arg_value | string -}}
    {%- endif -%}
{%- endmacro -%}

{%- macro parse_content(content) -%}
    {%- if content is string -%}
        {{- content -}}
    {%- else -%}
        {%- set _ns = namespace(result="") -%}
        {%- for item in content -%}
            {%- if item["type"] == "image" -%}
                {%- set _ns.result = _ns.result + "<image>" -%}
            {%- elif item["type"] == "text" -%}
                {%- set _ns.result = _ns.result + item["text"] -%}
            {%- else -%}
                {%- set _ns.result = _ns.result + item | tojson -%}
            {%- endif -%}
        {%- endfor -%}
        {{- _ns.result -}}
    {%- endif -%}
{%- endmacro -%}

{%- macro render_tool_calls(tool_calls) -%}
    {%- set tool_calls_ns = namespace(tool_calls=[]) -%}
    {%- for tool_call in tool_calls -%}
        {%- set func_name = tool_call["function"]["name"] -%}
        {%- set func_args = tool_call["function"]["arguments"] -%}
        {%- if func_args is string -%}
            {%- set tool_calls_ns.tool_calls = tool_calls_ns.tool_calls + [func_name + "(" + func_args + ")"] -%}
        {%- else -%}
            {%- set args_ns = namespace(arg_strings=[]) -%}
            {%- for arg_name, arg_value in func_args.items() -%}
                {%- set args_ns.arg_strings = args_ns.arg_strings + [arg_name + "=" + format_arg_value(arg_value)] -%}
            {%- endfor -%}
            {%- set tool_calls_ns.tool_calls = tool_calls_ns.tool_calls + [func_name + "(" + (args_ns.arg_strings | join(", ")) + ")"] -%}
        {%- endif -%}
    {%- endfor -%}
    {{- "<|tool_call_start|>[" + (tool_calls_ns.tool_calls | join(", ")) + "]<|tool_call_end|>" -}}
{%- endmacro -%}

{%- set ns = namespace(system_prompt="", last_user_index=-1) -%}
{%- if messages[0]["role"] == "system" -%}
    {%- if messages[0].get("content") -%}
        {%- set ns.system_prompt = parse_content(messages[0]["content"]) -%}
    {%- endif -%}
    {%- set messages = messages[1:] -%}
{%- endif -%}
{%- if tools -%}
    {%- set ns.system_prompt = ns.system_prompt + ("\n" if ns.system_prompt else "") + "List of tools: [" -%}
    {%- for tool in tools -%}
        {%- if tool is not string -%}
            {%- set tool = tool | tojson -%}
        {%- endif -%}
        {%- set ns.system_prompt = ns.system_prompt + tool -%}
        {%- if not loop.last -%}
            {%- set ns.system_prompt = ns.system_prompt + ", " -%}
        {%- endif -%}
    {%- endfor -%}
    {%- set ns.system_prompt = ns.system_prompt + "]" -%}
{%- endif -%}
{%- if ns.system_prompt -%}
    {{- "<|im_start|>system\n" + ns.system_prompt + "<|im_end|>\n" -}}
{%- endif -%}
{%- for message in messages -%}
    {%- if message["role"] == "user" -%}
        {%- set ns.last_user_index = loop.index0 -%}
    {%- endif -%}
{%- endfor -%}
{%- for message in messages -%}
    {{- "<|im_start|>" + message.role + "\n" -}}
    {%- if message.role == "assistant" -%}
        {%- generation -%}
        {%- if message.thinking is defined and (preserve_thinking or loop.index0 > ns.last_user_index) -%}
            {{- "<think>" + message.thinking + "</think>" -}}
        {%- endif -%}
        {%- set _cfm_tag = "CONTINUE_FINAL_MESSAGE_TAG " -%}
        {%- set _has_cfm = false -%}
        {%- if message.content is defined -%}
            {%- set content = parse_content(message.content) -%}
            {%- if not (preserve_thinking or loop.index0 > ns.last_user_index) -%}
                {%- if "</think>" in content -%}
                    {%- set content = content.split("</think>")[-1] | trim -%}
                {%- endif -%}
            {%- endif -%}
            {%- if message.tool_calls is defined and content.endswith(_cfm_tag) -%}
                {%- set _has_cfm = true -%}
                {%- set _trunc_len = (content | length) - (_cfm_tag | length) -%}
                {{- content[:_trunc_len] -}}
            {%- else -%}
                {{- content -}}
            {%- endif -%}
        {%- endif -%}
        {%- if message.tool_calls is defined and message.tool_calls is iterable and message.tool_calls | length > 0 -%}
            {{- render_tool_calls(message.tool_calls) -}}
        {%- endif -%}
        {%- if _has_cfm -%}
            {{- _cfm_tag -}}
        {%- endif -%}
        {{- "<|im_end|>\n" -}}
        {%- endgeneration -%}
    {%- else %}
        {%- if message.get("content") -%}
            {{- parse_content(message["content"]) -}}
        {%- endif -%}
        {{- "<|im_end|>\n" -}}
    {%- endif %}
{%- endfor -%}
{%- if add_generation_prompt -%}
    {{- "<|im_start|>assistant\n" -}}
{%- endif -%}