"""Bootstrap permanent maintenance state from deploy-generated source files."""
from __future__ import annotations

import json
from pathlib import Path
from typing import Any, Dict

from .maintenance import MaintenanceLedger


def bootstrap(ledger: MaintenanceLedger, *, root: str | Path = "workspace") -> Dict[str, Any]:
    root = Path(root)
    seed = root / "maintenance_seed.jsonl"
    source = root / "maintenance_source.json"
    events = []
    if seed.exists():
        for line in seed.read_text(encoding="utf-8").splitlines():
            try:
                value = json.loads(line)
            except Exception:
                continue
            if isinstance(value, dict):
                events.append(value)
    imported = ledger.import_events(events, source="deployment.seed") if events else {"added": 0, "duplicate": 0}

    state = {}
    if source.exists():
        try:
            value = json.loads(source.read_text(encoding="utf-8"))
            if isinstance(value, dict):
                state = value
        except Exception:
            state = {}

    if state:
        git_state = {
            "repository": state.get("repository"),
            "branch": state.get("branch"),
            "head": state.get("head"),
            "parents": state.get("parents") or [],
            "history_commits": state.get("history_commits", 0),
            "source_generated_at": state.get("generated_at"),
        }
        ledger.set_cell("maint.git.state", git_state, source="deployment.seed", summary="Canonical deployed git state")
        ledger.set_cell(
            "maint.git.parity",
            {
                "repository": state.get("repository"),
                "github_head": state.get("head"),
                "deployed_source_head": state.get("head"),
                "parity": "matched",
            },
            source="deployment.seed",
            summary="GitHub source and deployed HF source match",
        )
        ledger.set_cell(
            "maint.deploy.state",
            {
                "state": "source-synced",
                "repository": state.get("repository"),
                "head": state.get("head"),
                "github_run_id": state.get("github_run_id"),
                "github_run_attempt": state.get("github_run_attempt"),
                "github_workflow": state.get("github_workflow"),
            },
            source="github.deploy",
            summary="Canonical source sync reached Hugging Face repository",
        )
    ledger.set_cell(
        "maint.change.cursor",
        {"cursor": ledger.state().get("cursor", 0), "seed_events": len(events), **imported},
        source="maintenance.bootstrap",
        summary="Maintenance ledger cursor",
    )
    return {"events": len(events), "imported": imported, "source": state}