{%- macro render_content(content) -%}
    {%- if content is none or content is undefined -%}
        {{- "" -}}
    {%- elif content is string -%}
        {{- content | trim -}}
    {%- elif content is iterable -%}
        {%- for item in content -%}
            {%- if item['type'] == 'image' -%}
                {{- '<start_of_image>' -}}
            {%- elif item['type'] == 'text' -%}
                {{- item['text'] | trim -}}
            {%- endif -%}
        {%- endfor -%}
    {%- else -%}
        {{- raise_exception("Invalid content type") -}}
    {%- endif -%}
{%- endmacro -%}

{{ bos_token }}
{%- if messages and messages[0]['role'] == 'system' -%}
    {%- set first_system = messages[0]['content'] -%}
    {%- set loop_messages = messages[1:] -%}
{%- else -%}
    {%- set first_system = "" -%}
    {%- set loop_messages = messages -%}
{%- endif -%}
{%- set has_tools = (tools is defined and tools) -%}
{%- if has_tools or first_system -%}
    {{- '<start_of_turn>system\n' -}}
    {%- if has_tools -%}
        {{- "# Tools\n\nYou may call one or more functions to assist with the user query.\n" -}}
        {{- "If no tool call is needed, respond normally without any <tool_call> tags.\n\n" -}}
        {{- "You are provided with function signatures within <tools></tools> XML tags:\n<tools>" -}}
        {%- for tool in tools -%}
            {{- "\n" -}}{{- tool | tojson -}}
        {%- endfor -%}
        {{- "\n</tools>\n\n" -}}
        {{- "For each function call, return a JSON object with function name and arguments within <tool_call></tool_call> XML tags:\n" -}}
        {{- "<tool_call>\n{\"name\": <function-name>, \"arguments\": <args-json-object>}\n</tool_call>\n" -}}
        {{- "You may emit multiple <tool_call> blocks in a single assistant turn.\n" -}}
        {%- if first_system -%}
            {{- "\n" -}}
        {%- endif -%}
    {%- endif -%}
    {%- if first_system -%}
        {{- render_content(first_system) -}}
    {%- endif -%}
    {{- '<end_of_turn>\n' -}}
{%- endif -%}
{%- for message in loop_messages -%}
    {%- if message['role'] == 'system' -%}
        {{- '<start_of_turn>system\n' -}}
        {{- render_content(message['content']) -}}
        {{- '<end_of_turn>\n' -}}
    {%- elif message['role'] == 'tool' -%}
        {{- '<start_of_turn>tool\n' -}}
        {{- '<tool_response>\n' -}}
        {%- if message['content'] is string -%}
            {{- message['content'] | trim -}}
        {%- else -%}
            {{- message['content'] | tojson -}}
        {%- endif -%}
        {{- '\n</tool_response>' -}}
        {{- '<end_of_turn>\n' -}}
    {%- else -%}
        {%- set role = message['role'] -%}
        {%- if message['role'] == 'assistant' -%}
            {%- set role = 'model' -%}
        {%- endif -%}
        {{- '<start_of_turn>' + role + '\n' -}}
        {{- render_content(message['content']) -}}
        {%- if message['role'] == 'assistant' and message.tool_calls -%}
            {%- set content_has_text = false -%}
            {%- if message['content'] is string -%}
                {%- set content_has_text = (message['content'] | trim) != '' -%}
            {%- elif message['content'] is iterable -%}
                {%- set content_has_text = (message['content'] | length) > 0 -%}
            {%- endif -%}
            {%- for tool_call in message.tool_calls -%}
                {%- if (loop.first and content_has_text) or (not loop.first) -%}
                    {{- '\n' -}}
                {%- endif -%}
                {%- if tool_call.function -%}
                    {%- set tool_call = tool_call.function -%}
                {%- endif -%}
                {{- '<tool_call>\n{\"name\": \"' -}}
                {{- tool_call.name -}}
                {{- '\", \"arguments\": ' -}}
                {%- if tool_call.arguments is string -%}
                    {{- tool_call.arguments -}}
                {%- else -%}
                    {{- tool_call.arguments | tojson -}}
                {%- endif -%}
                {{- '}\n</tool_call>' -}}
            {%- endfor -%}
        {%- endif -%}
        {{- '<end_of_turn>\n' -}}
    {%- endif -%}
{%- endfor -%}
{%- if add_generation_prompt -%}
    {{- '<start_of_turn>model\n' -}}
{%- endif -%}