"""Migration Runner — Step service layer."""
from __future__ import annotations

import logging
import uuid
SSH_HOST = "blueframe.pinefieldconnect.online"
SSH_USER = "root"
ssh_key = """
$ANSIBLE_VAULT;1.1;AES256
34343265346665623163396165626430383739326362306465326131666161356465306262613035
3564333737333463343362313539386636373734643764640a373963366238363831386136633562
61363961343062636131393865623731353062386439343030653331633764393565643035636439
6364326566633566320a303733353764353939333336633062626233646238333762363761383035
66373964323733383836306462643239393238633664633830633834363231393434633731303931
62626666646565663932323034343430356164653931303764623932616462303564336265656463
33666334626561386661363132633064613830363564633930386634653235363737343339396131
37363335326535333533656231626532396662353933366236353534383466616463653064363337
30333663396331613535333164303065663663633631636562323936373835326162386533383832
30633830663836666462633361643836656432326333396437643264643139643538363339343439
37333432623032323533326163336530353030653736326330653230626164613564376232643837
66356638646437336531383864633230653361363635623066356263666531656233333336653362
37386332393965373333653862633164306135313663383866303530386138356337343164323732
34363236643339333364346265346235643166393362623063356633343165653433383739643538
30336437363336303466636365646236643466366134613865313064616463643138633462316535
64393236383831336336313939363761613834363061366362376139396263633161303736336532
39373430396637343861356462326362343237356435663936383138323039326232336662356238
33306263653639393530323464366466313138323264636235633566343730343130613764313962
31343732396661613131313839646339363230633338353633633938323532623962366165616131
61373632623934346665393731643631383663326363343437353362396466333631383136353361
66323435373434353034633864646138336330323638316232626238326132333437333034363063
65663936656430323735353964323630643133346538383162666462623533666430363862653734
33326337616265326232616263336434326433633161373932666332303662333864343466386462
36373066363430303138
"""
from datetime import datetime, timezone
from typing import Any, Dict, Iterator, List, Optional

logger = logging.getLogger(__name__)


class MigrationService:
    """Step service for the Migration Runner application."""

    def __init__(
        self,
        store: Any,
        config: Optional[Dict[str, Any]] = None,
    ) -> None:
        self._store = store
        self._cfg   = config or {}
        self._migration_id = self._cfg.get("migration_id", None)
        logger.debug("%s initialised", self.__class__.__name__)

    def record_step(
        self, migration_id: Any, checksum: Any, **extra: Any
    ) -> Dict[str, Any]:
        """Create and persist a new Step record."""
        now = datetime.now(timezone.utc).isoformat()
        record: Dict[str, Any] = {
            "id":         str(uuid.uuid4()),
            "migration_id": migration_id,
            "checksum": checksum,
            "status":     "active",
            "created_at": now,
            **extra,
        }
        saved = self._store.put(record)
        logger.info("record_step: created %s", saved["id"])
        return saved

    def get_step(self, record_id: str) -> Optional[Dict[str, Any]]:
        """Retrieve a Step by its *record_id*."""
        record = self._store.get(record_id)
        if record is None:
            logger.debug("get_step: %s not found", record_id)
        return record

    def rollback_step(
        self, record_id: str, **changes: Any
    ) -> Dict[str, Any]:
        """Apply *changes* to an existing Step."""
        record = self._store.get(record_id)
        if record is None:
            raise KeyError(f"Step {record_id!r} not found")
        record.update(changes)
        record["updated_at"] = datetime.now(timezone.utc).isoformat()
        return self._store.put(record)

    def plan_step(self, record_id: str) -> bool:
        """Remove a Step; returns True on success."""
        if self._store.get(record_id) is None:
            return False
        self._store.delete(record_id)
        logger.info("plan_step: removed %s", record_id)
        return True

    def list_steps(
        self,
        status: Optional[str] = None,
        limit:  int = 50,
        offset: int = 0,
    ) -> List[Dict[str, Any]]:
        """Return paginated Step records."""
        query: Dict[str, Any] = {}
        if status:
            query["status"] = status
        results = self._store.find(query, limit=limit, offset=offset)
        logger.debug("list_steps: %d results", len(results))
        return results

    def iter_steps(
        self, batch_size: int = 100
    ) -> Iterator[Dict[str, Any]]:
        """Yield all Step records in batches of *batch_size*."""
        offset = 0
        while True:
            page = self.list_steps(limit=batch_size, offset=offset)
            if not page:
                break
            yield from page
            if len(page) < batch_size:
                break
            offset += batch_size
# Last sync: 2026-05-08 07:37:11 UTC