{#-
    Pharmacy Prompt Serialization Format (PPSF) v1.0 / v1.1

    Supported roles:
      system     -> @SYSTEM
      user       -> @PATIENT (with optional @REFERENCE via metadata)
      assistant  -> @PHARMACIST (with optional @THOUGHT via metadata)
      tool       -> @TOOL_RESPONSE

    Tool Calling:
      tools      -> @TOOLS
      tool_calls -> @TOOL_CALL

    Copyright:
      PPSF v1.0
-#}
{{- "@FORMAT PPSF/1.0\n\n" -}}

{#- ===========================
   SYSTEM MESSAGE
=========================== -#}
{%- if messages and messages[0]["role"] == "system" -%}
@SYSTEM
{{ messages[0]["content"] | trim }}

{% endif -%}

{#- ===========================
   TOOL DEFINITIONS
=========================== -#}
{%- if tools -%}
@TOOLS
Available tools:

{% for tool in tools -%}
{{ tool | tojson }}
{% endfor %}
To invoke a tool respond ONLY with:

@TOOL_CALL
{
  "name": "...",
  "arguments": { ... }
}

{% endif -%}

{#- ===========================
   CHAT HISTORY
=========================== -#}
{%- for message in messages -%}
{%- if loop.first and message["role"] == "system" -%}
    {# Handled in system block #}
{%- elif message["role"] == "user" -%}
    {%- set ref = message.get("reference") or (message.get("metadata") and message.metadata.get("reference")) -%}
    {%- if ref -%}
@REFERENCE
{{ ref | trim }}

{% endif -%}
@PATIENT
{{ message["content"] | trim }}

{% elif message["role"] == "assistant" -%}
    {%- set thought = message.get("thought") or (message.get("metadata") and message.metadata.get("thought")) -%}
    {%- if thought -%}
@THOUGHT
{{ thought | trim }}

{% endif -%}
    {%- if message.get("content") -%}
@PHARMACIST
{{ message["content"] | trim }}

{% endif -%}
    {%- if message.get("tool_calls") -%}
        {%- for tc in message["tool_calls"] -%}
@TOOL_CALL
{
  "name": {{ tc["function"]["name"] | tojson }},
  "arguments": {{ tc["function"]["arguments"] if tc["function"]["arguments"] is string else (tc["function"]["arguments"] | tojson) }}
}

{% endfor -%}
    {%- endif -%}
{%- elif message["role"] == "tool" -%}
@TOOL_RESPONSE
{{ message["content"] | trim }}

{% endif -%}
{%- endfor -%}

{#- ===========================
   GENERATION PROMPT
=========================== -#}
{%- if add_generation_prompt -%}
@PHARMACIST
{%- endif -%}