{"files": {"main.py": "from core import run\nfrom policy import POLICY\ndef evaluate(payload):\n    return run(payload, POLICY)\n", "core.py": "from decimal import Decimal, ROUND_HALF_UP\nfrom helpers import lines_to_cents\n\ndef run(payload, policy):\n    if payload is None:\n        return {\"invoices\": []}\n    if isinstance(payload, list):\n        invoices_in = payload\n    elif isinstance(payload, dict):\n        invoices_in = payload.get(\"invoices\") or []\n    else:\n        return {\"invoices\": []}\n    currency = policy.get(\"currency\")\n    rounding = policy.get(\"rounding\")\n    min_invoice_cents = policy.get(\"min_invoice_cents\", 0)\n    duplicate_event = policy.get(\"duplicate_event\")\n    refunds_first = policy.get(\"refunds_first\", False)\n    void_is_tombstone = policy.get(\"void_is_tombstone\", False)\n    max_refund_age_days = policy.get(\"max_refund_age_days\")\n    inclusive_limit = policy.get(\"inclusive_limit\", False)\n    fee_refundable = policy.get(\"fee_refundable\", False)\n    refund_overflow = policy.get(\"refund_overflow\")\n    order = policy.get(\"order\")\n    status_case = policy.get(\"status_case\")\n    results = []\n    for inv in list(invoices_in):\n        if not isinstance(inv, dict):\n            continue\n        if inv.get(\"currency\") != currency:\n            continue\n        inv_id = inv.get(\"id\")\n        created = inv.get(\"created\", 0)\n        lines = inv.get(\"lines\") or []\n        fee = inv.get(\"fee_cents\", 0) or 0\n        fee = int(fee)\n        principal = lines_to_cents(list(lines), rounding)\n        charge = principal + fee\n        if charge < min_invoice_cents:\n            continue\n        events_in = inv.get(\"events\") or []\n        deduped = {}\n        no_eid = []\n        for ev in list(events_in):\n            if not isinstance(ev, dict):\n                continue\n            eid = ev.get(\"eid\")\n            if eid is None:\n                no_eid.append((len(deduped) + len(no_eid), ev))\n                continue\n            if eid not in deduped:\n                deduped[eid] = ev\n            elif duplicate_event == \"last\":\n                deduped[eid] = ev\n        events = list(deduped.values())\n        if no_eid:\n            events = events + [ev for _, ev in no_eid]\n        if refunds_first:\n            events = [e for e in events if e.get(\"kind\") == \"refund\"] + [e for e in events if e.get(\"kind\") != \"refund\"]\n        active = True\n        tombstoned = False\n        refunded = 0\n        ceiling = principal + (fee if fee_refundable else 0)\n        for ev in events:\n            kind = ev.get(\"kind\")\n            if kind == \"void\":\n                active = False\n                if void_is_tombstone:\n                    tombstoned = True\n            elif kind == \"restore\":\n                if not tombstoned:\n                    active = True\n            elif kind == \"refund\":\n                if not active:\n                    continue\n                day = ev.get(\"day\")\n                if day is None or created is None:\n                    continue\n                diff = day - created\n                if diff < 0:\n                    continue\n                if max_refund_age_days is not None:\n                    if inclusive_limit:\n                        if diff > max_refund_age_days:\n                            continue\n                    else:\n                        if diff >= max_refund_age_days:\n                            continue\n                cents = ev.get(\"cents\", 0) or 0\n                cents = int(cents)\n                if refunded + cents <= ceiling:\n                    refunded += cents\n                else:\n                    if refund_overflow == \"cap\":\n                        if refunded < ceiling:\n                            refunded = ceiling\n                    elif refund_overflow == \"reject\":\n                        continue\n                    else:\n                        if refunded < ceiling:\n                            refunded = ceiling\n        if not active:\n            status = \"void\"\n        elif refunded == charge:\n            status = \"refunded\"\n        else:\n            status = \"open\"\n        if status_case == \"upper\":\n            status = status.upper()\n        elif status_case == \"lower\":\n            status = status.lower()\n        elif status_case == \"title\":\n            status = status.title()\n        record = {\"id\": inv_id, \"charge\": charge, \"refunded\": refunded, \"balance\": charge - refunded, \"status\": status}\n        results.append((created, inv_id, record))\n    if order == \"created\":\n        results.sort(key=lambda x: (x[0], x[1]))\n    else:\n        results.sort(key=lambda x: x[1])\n    return {\"invoices\": [r for _, _, r in results]}\n", "policy.py": "POLICY = {\n    \"currency\": \"CAD\",\n    \"duplicate_event\": \"last\",\n    \"fee_refundable\": False,\n    \"inclusive_limit\": False,\n    \"max_refund_age_days\": 45,\n    \"min_invoice_cents\": 25,\n    \"order\": \"created\",\n    \"refund_overflow\": \"reject\",\n    \"refunds_first\": False,\n    \"rounding\": \"invoice\",\n    \"status_case\": \"upper\",\n    \"void_is_tombstone\": False,\n}\n", "helpers.py": "from decimal import Decimal, ROUND_HALF_UP\n\ndef _to_decimal(value):\n    if isinstance(value, Decimal):\n        return value\n    return Decimal(str(value))\n\ndef lines_to_cents(lines, rounding):\n    if rounding == \"per_line\":\n        total = 0\n        for line in lines:\n            cents = (_to_decimal(line) * Decimal(\"100\")).quantize(Decimal(\"1\"), rounding=ROUND_HALF_UP)\n            total += int(cents)\n        return total\n    total_dollars = Decimal(\"0\")\n    for line in lines:\n        total_dollars += _to_decimal(line)\n    cents = (total_dollars * Decimal(\"100\")).quantize(Decimal(\"1\"), rounding=ROUND_HALF_UP)\n    return int(cents)\n"}}