"""Retry service — re-import individual failed/skipped orders."""
import asyncio
import logging
import tempfile
from datetime import datetime, timedelta

logger = logging.getLogger(__name__)


async def _download_and_reimport(order_number: str, order_date_str: str, customer_name: str, app_settings: dict) -> dict:
    """Download order from GoMag and re-import it into Oracle.

    Does NOT check status guard — caller is responsible.
    Returns: {"success": bool, "message": str, "status": str|None}
    """
    from . import sqlite_service, gomag_client, import_service, order_reader

    # Parse order date for narrow download window
    try:
        order_date = datetime.fromisoformat(order_date_str.replace("Z", "+00:00")).date()
    except (ValueError, AttributeError):
        order_date = datetime.now().date() - timedelta(days=1)

    gomag_key = app_settings.get("gomag_api_key") or None
    gomag_shop = app_settings.get("gomag_api_shop") or None

    with tempfile.TemporaryDirectory() as tmp_dir:
        try:
            today = datetime.now().date()
            days_back = (today - order_date).days + 1
            if days_back < 2:
                days_back = 2

            await gomag_client.download_orders(
                tmp_dir, days_back=days_back,
                api_key=gomag_key, api_shop=gomag_shop,
                limit=200,
            )
        except Exception as e:
            logger.error(f"Retry download failed for {order_number}: {e}")
            return {"success": False, "message": f"Eroare download GoMag: {e}"}

        # Find the specific order in downloaded data
        target_order = None
        orders, _ = order_reader.read_json_orders(json_dir=tmp_dir)
        for o in orders:
            if str(o.number) == str(order_number):
                target_order = o
                break

        if not target_order:
            return {"success": False, "message": f"Comanda {order_number} nu a fost gasita in GoMag API"}

    # Import the order
    id_pol = int(app_settings.get("id_pol") or 0)
    id_sectie = int(app_settings.get("id_sectie") or 0)
    id_gestiune = app_settings.get("id_gestiune", "")
    id_gestiuni = [int(g.strip()) for g in id_gestiune.split(",") if g.strip()] if id_gestiune else None

    try:
        result = await asyncio.to_thread(
            import_service.import_single_order,
            target_order, id_pol=id_pol, id_sectie=id_sectie,
            app_settings=app_settings, id_gestiuni=id_gestiuni
        )
    except Exception as e:
        logger.error(f"Retry import failed for {order_number}: {e}")
        await sqlite_service.upsert_order(
            sync_run_id="retry",
            order_number=order_number,
            order_date=order_date_str,
            customer_name=customer_name,
            status="ERROR",
            error_message=f"Retry failed: {e}",
        )
        return {"success": False, "message": f"Eroare import: {e}"}

    if result.get("success"):
        await sqlite_service.upsert_order(
            sync_run_id="retry",
            order_number=order_number,
            order_date=order_date_str,
            customer_name=customer_name,
            status="IMPORTED",
            id_comanda=result.get("id_comanda"),
            id_partener=result.get("id_partener"),
            error_message=None,
        )
        if result.get("id_adresa_facturare") or result.get("id_adresa_livrare"):
            await sqlite_service.update_import_order_addresses(
                order_number=order_number,
                id_adresa_facturare=result.get("id_adresa_facturare"),
                id_adresa_livrare=result.get("id_adresa_livrare"),
            )
        logger.info(f"Retry successful for order {order_number} → IMPORTED")
        return {"success": True, "message": "Comanda reimportata cu succes", "status": "IMPORTED"}
    else:
        error = result.get("error", "Unknown error")
        await sqlite_service.upsert_order(
            sync_run_id="retry",
            order_number=order_number,
            order_date=order_date_str,
            customer_name=customer_name,
            status="ERROR",
            error_message=f"Retry: {error}",
        )
        return {"success": False, "message": f"Import esuat: {error}", "status": "ERROR"}


async def retry_single_order(order_number: str, app_settings: dict) -> dict:
    """Re-download and re-import a single order from GoMag.

    Steps:
    1. Read order from SQLite to get order_date / customer_name
    2. Check sync lock (no retry during active sync)
    3. Download narrow date range from GoMag (order_date ± 1 day)
    4. Find the specific order in downloaded data
    5. Run import_single_order()
    6. Update status in SQLite

    Returns: {"success": bool, "message": str, "status": str|None}
    """
    from . import sqlite_service, sync_service

    # Check sync lock
    if sync_service._sync_lock.locked():
        return {"success": False, "message": "Sync in curs — asteapta finalizarea"}

    # Get order from SQLite
    detail = await sqlite_service.get_order_detail(order_number)
    if not detail:
        return {"success": False, "message": "Comanda nu a fost gasita"}

    order_data = detail["order"]
    status = order_data.get("status", "")
    if status not in ("ERROR", "SKIPPED", "DELETED_IN_ROA"):
        return {"success": False, "message": f"Retry permis doar pentru ERROR/SKIPPED/DELETED_IN_ROA (status actual: {status})"}

    order_date_str = order_data.get("order_date", "")
    customer_name = order_data.get("customer_name", "")

    return await _download_and_reimport(order_number, order_date_str, customer_name, app_settings)


async def resync_single_order(order_number: str, app_settings: dict) -> dict:
    """Soft-delete an imported order from Oracle then re-import it from GoMag.

    Steps:
    1. Check sync lock
    2. Load order from SQLite
    3. Validate status is IMPORTED/ALREADY_IMPORTED with id_comanda
    4. Invoice safety gate (check Oracle for invoices)
    5. Soft-delete from Oracle
    6. Mark DELETED_IN_ROA in SQLite
    7. Re-import via _download_and_reimport

    Returns: {"success": bool, "message": str, "status": str|None}
    """
    from . import sqlite_service, sync_service, import_service, invoice_service
    from .. import database

    # Check sync lock
    if sync_service._sync_lock.locked():
        return {"success": False, "message": "Sync in curs — asteapta finalizarea"}

    # Get order from SQLite
    detail = await sqlite_service.get_order_detail(order_number)
    if not detail:
        return {"success": False, "message": "Comanda nu a fost gasita"}

    order_data = detail["order"]
    status = order_data.get("status", "")
    id_comanda = order_data.get("id_comanda")

    if status not in ("IMPORTED", "ALREADY_IMPORTED") or not id_comanda:
        return {"success": False, "message": f"Resync permis doar pentru IMPORTED/ALREADY_IMPORTED cu id_comanda (status actual: {status})"}

    # Invoice safety gate
    if database.pool is None:
        return {"success": False, "message": "Oracle indisponibil"}

    if order_data.get("factura_numar"):
        return {"success": False, "message": "Comanda este facturata"}

    try:
        invoice_result = await asyncio.to_thread(
            invoice_service.check_invoices_for_orders, [id_comanda]
        )
    except Exception as e:
        logger.error(f"Invoice check failed for {order_number}: {e}")
        return {"success": False, "message": "Nu se poate verifica factura — Oracle indisponibil"}

    if invoice_result.get(id_comanda):
        return {"success": False, "message": "Comanda este facturata"}

    # Soft-delete from Oracle
    try:
        delete_result = await asyncio.to_thread(
            import_service.soft_delete_order_in_roa, id_comanda
        )
        if not delete_result.get("success"):
            return {"success": False, "message": f"Eroare stergere din Oracle: {delete_result.get('error', 'Unknown')}"}
    except Exception as e:
        logger.error(f"Soft-delete failed for {order_number} (id_comanda={id_comanda}): {e}")
        return {"success": False, "message": f"Eroare stergere din Oracle: {e}"}

    # Mark deleted in SQLite
    await sqlite_service.mark_order_deleted_in_roa(order_number)

    order_date_str = order_data.get("order_date", "")
    customer_name = order_data.get("customer_name", "")

    # Re-import
    reimport_result = await _download_and_reimport(order_number, order_date_str, customer_name, app_settings)
    if not reimport_result.get("success"):
        logger.warning(f"Resync: order {order_number} deleted from Oracle but reimport failed")
        return {
            "success": False,
            "message": "Comanda stearsa din Oracle dar reimportul a esuat — foloseste Reimporta pentru a reincerca",
        }

    return reimport_result


async def delete_single_order(order_number: str) -> dict:
    """Soft-delete an imported order from Oracle without re-importing.

    Same invoice safety gate as resync_single_order.

    Returns: {"success": bool, "message": str}
    """
    from . import sqlite_service, sync_service, import_service, invoice_service
    from .. import database

    # Check sync lock
    if sync_service._sync_lock.locked():
        return {"success": False, "message": "Sync in curs — asteapta finalizarea"}

    # Get order from SQLite
    detail = await sqlite_service.get_order_detail(order_number)
    if not detail:
        return {"success": False, "message": "Comanda nu a fost gasita"}

    order_data = detail["order"]
    status = order_data.get("status", "")
    id_comanda = order_data.get("id_comanda")

    if status not in ("IMPORTED", "ALREADY_IMPORTED") or not id_comanda:
        return {"success": False, "message": f"Stergere permisa doar pentru IMPORTED/ALREADY_IMPORTED cu id_comanda (status actual: {status})"}

    # Invoice safety gate
    if database.pool is None:
        return {"success": False, "message": "Oracle indisponibil"}

    if order_data.get("factura_numar"):
        return {"success": False, "message": "Comanda este facturata"}

    try:
        invoice_result = await asyncio.to_thread(
            invoice_service.check_invoices_for_orders, [id_comanda]
        )
    except Exception as e:
        logger.error(f"Invoice check failed for {order_number}: {e}")
        return {"success": False, "message": "Nu se poate verifica factura — Oracle indisponibil"}

    if invoice_result.get(id_comanda):
        return {"success": False, "message": "Comanda este facturata"}

    # Soft-delete from Oracle
    try:
        delete_result = await asyncio.to_thread(
            import_service.soft_delete_order_in_roa, id_comanda
        )
        if not delete_result.get("success"):
            return {"success": False, "message": f"Eroare stergere din Oracle: {delete_result.get('error', 'Unknown')}"}
    except Exception as e:
        logger.error(f"Soft-delete failed for {order_number} (id_comanda={id_comanda}): {e}")
        return {"success": False, "message": f"Eroare stergere din Oracle: {e}"}

    # Mark deleted in SQLite
    await sqlite_service.mark_order_deleted_in_roa(order_number)

    logger.info(f"Order {order_number} (id_comanda={id_comanda}) deleted from ROA")
    return {"success": True, "message": "Comanda stearsa din ROA"}