schema_version = 1

name        = "OpenAI Base Chat"
description = "OpenAI Chat Completions request body (/chat/completions). Abstract — extend it and set model."
abstract    = true

provider_instance = "OpenAI (Chat Completions)"
endpoint          = "/chat/completions"

[body]
stream = true
messages = """
[
{% if existsIn(ctx, "system_prompt") %}
{ "role": "system", "content": {{ tojson(ctx.system_prompt) }} },
{% endif %}
{% for msg in ctx.history %}
  {% if msg.role == "assistant" %}
  {% set tcalls = filter_by_type(msg.content_blocks, "tool_use") %}
  {
    "role": "assistant",
    "content": {% if msg.content != "" %}{{ tojson(msg.content) }}{% else %}null{% endif %}
    {% if length(tcalls) > 0 %}
    , "tool_calls": [
      {% for b in tcalls %}
      {
        "id": {{ tojson(b.id) }},
        "type": "function",
        "function": {
          "name": {{ tojson(b.name) }},
          "arguments": {{ tojson(tojson(b.input)) }}
        }
      },
      {% endfor %}
    ]
    {% endif %}
  },
  {% else if length(filter_by_type(msg.content_blocks, "tool_result")) > 0 %}
  {% for b in filter_by_type(msg.content_blocks, "tool_result") %}
  { "role": "tool", "tool_call_id": {{ tojson(b.tool_use_id) }}, "content": {{ tojson(b.content) }} },
  {% endfor %}
  {% else %}
  {% if existsIn(msg, "images") %}
  { "role": "user", "content": [
    {% if msg.content != "" %}
    { "type": "text", "text": {{ tojson(msg.content) }} },
    {% endif %}
    {% for img in msg.images %}
    {% if img.is_url %}
    { "type": "image_url", "image_url": { "url": {{ tojson(img.data) }} } },
    {% else %}
    { "type": "image_url", "image_url": { "url": "data:{{ img.media_type }};base64,{{ img.data }}" } },
    {% endif %}
    {% endfor %}
  ] },
  {% else %}
  { "role": "user", "content": {{ tojson(msg.content) }} },
  {% endif %}
  {% endif %}
{% endfor %}
]
"""