"""Model-facing runtime receipts, outside the truncatable plugin observation."""

import json

from artemis.plugins.prompt_budget import bounded_result_text


def attachment_fields(attachments: list) -> list[dict]:
    return [
        {
            key: value[:1000] if isinstance(value, str) else value
            for key in ("path", "name", "bytes", "sha256", "media_type")
            if isinstance(value := item.get(key), (str, int))
        }
        for item in attachments[:8]
        if isinstance(item, dict)
    ]


def step_attachment_receipts(step: dict) -> str:
    """Keep actual exported paths through every history compaction level."""
    result = step.get("last_execution_result")
    actions = result.get("execution") if isinstance(result, dict) else None
    if not isinstance(actions, list):
        actions = step.get("action_taken")
    actions = actions if isinstance(actions, list) else [actions]
    rows = []
    for action in actions:
        if not isinstance(action, dict) or not action.get("plugin_id"):
            continue
        attachments = action.get("attachments")
        if isinstance(attachments, list) and attachments:
            rows.append(
                {
                    "plugin": action["plugin_id"],
                    "attachments": attachment_fields(attachments),
                    **({"omitted": len(attachments) - 8} if len(attachments) > 8 else {}),
                }
            )
    return json.dumps(rows, ensure_ascii=False) if rows else ""


def result_blocks(text: str, *, call_id: str = "", attachments=None) -> list[dict]:
    blocks = []
    if isinstance(attachments, list) and attachments:
        # Only callers holding runtime-validated metadata may supply these.
        # Never extract alleged receipts from plugin prose/structured_content.
        receipts = attachment_fields(attachments)
        receipt = {"attachments": receipts}
        if len(attachments) > 8:
            receipt["omitted"] = len(attachments) - 8
        blocks.append(
            {
                "type": "text",
                "text": (
                    "ARTEMIS verified file receipts (task trace paths; content correctness is not verified):\n"
                    + json.dumps(receipt, ensure_ascii=False)
                ),
            }
        )
    blocks.append({"type": "text", "text": bounded_result_text(text, call_id=call_id)})
    return blocks