#!/usr/bin/env python3
"""Build the single P0-005 DR escrow evidence checklist."""

from __future__ import annotations

import argparse
import json
from datetime import datetime
from pathlib import Path
from typing import Any


SCHEMA_VERSION = "awoooi_dr_escrow_evidence_checklist_v1"
OWNER_PACKET_SCHEMA = "awoooi_post_reboot_next_gate_owner_packets_v1"
OWNER_RESPONSE_SCHEMA = "awoooi_post_reboot_next_gate_owner_response_v1"
GATE_ID = "credential_escrow_evidence"
ITEMS = [
    "restic_repository_password",
    "offsite_provider_credentials",
    "break_glass_admin_credentials",
    "dns_registrar_recovery",
    "oauth_ai_provider_recovery",
]


def parse_args() -> argparse.Namespace:
    parser = argparse.ArgumentParser(
        description="Emit one no-secret checklist for the P0-005 DR escrow lane.",
    )
    parser.add_argument("--output", type=Path, help="Write JSON to this path.")
    return parser.parse_args()


def evidence_item(item_id: str) -> dict[str, Any]:
    return {
        "item_id": item_id,
        "required_fields": [
            "non_secret_evidence_ref",
            "recovery_owner",
            "reviewer",
            "last_reviewed_at",
            "contains_secret_value=false",
        ],
        "accepted_ref_classes": [
            "password_manager_item_id",
            "sealed_envelope_id",
            "recovery_checklist_id",
            "review_ticket_id",
        ],
        "rejected_values": [
            "passwords",
            "tokens",
            "private keys",
            "recovery codes",
            "secret URLs",
            "session cookies",
        ],
        "marker_dry_run_command": (
            "/backup/scripts/mark-credential-escrow-verified.sh "
            f"--item {item_id} --evidence-id <NON_SECRET_REF_FOR_{item_id}> --dry-run"
        ),
    }


def owner_packet() -> dict[str, Any]:
    return {
        "schema_version": OWNER_PACKET_SCHEMA,
        "source": {"next_required_gates": [GATE_ID]},
        "owner_packets": [
            {
                "packet_id": GATE_ID,
                "title": "P0-005 DR credential escrow evidence",
                "priority": "P0",
                "required_items": ITEMS,
            }
        ],
    }


def owner_response_skeleton() -> dict[str, Any]:
    return {
        "schema_version": OWNER_RESPONSE_SCHEMA,
        "generated_at": datetime.now().astimezone().isoformat(timespec="seconds"),
        "responses": [
            {
                "gate_id": GATE_ID,
                "owner_role": "owner_role_here",
                "owner_team": "owner_team_here",
                "decision": "pending",
                "decision_reason": "decision_reason_here",
                "affected_scope": "P0-005 DR credential escrow evidence",
                "redacted_evidence_refs": ["redacted_evidence_ref_here"],
                "followup_owner": "followup_owner_here",
                "runtime_action_requested": False,
                "runtime_action_authorized": False,
                "host_write_requested": False,
                "host_write_authorized": False,
                "secret_value_included": False,
                "secret_value_collection_allowed": False,
                "credential_marker_write_requested": False,
                "credential_marker_write_authorized": False,
                "escrow_items": [
                    {
                        "item_id": item_id,
                        "non_secret_evidence_ref": "non_secret_evidence_ref_here",
                        "recovery_owner": "owner_role_here",
                        "reviewer": "reviewer_here",
                        "last_reviewed_at": "pending",
                        "contains_secret_value": False,
                    }
                    for item_id in ITEMS
                ],
            }
        ],
    }


def build_payload() -> dict[str, Any]:
    return {
        "schema_version": SCHEMA_VERSION,
        "generated_at": datetime.now().astimezone().isoformat(timespec="seconds"),
        "workplan_id": "P0-005",
        "status": "waiting_for_five_redacted_non_secret_evidence_refs",
        "active_gate": GATE_ID,
        "required_item_count": len(ITEMS),
        "required_items": [evidence_item(item_id) for item_id in ITEMS],
        "owner_packet": owner_packet(),
        "owner_response_skeleton": owner_response_skeleton(),
        "single_preflight_command": (
            "python3 scripts/reboot-recovery/post-reboot-owner-response-preflight.py "
            "--owner-packet-file <owner-packet.json> "
            "--response-file <filled-owner-response.json> --json --no-color"
        ),
        "scorecard_command": (
            "python3 scripts/reboot-recovery/post-reboot-credential-escrow-intake-scorecard.py "
            "--summary-file <summary.txt> --owner-packet-file <owner-packet.json> "
            "--response-file <filled-owner-response.json> "
            "--offsite-report-file <offsite-report.txt> "
            "--escrow-status-file <escrow-status.txt> --json --no-color"
        ),
        "exit_criteria": [
            "preflight_status=ready_for_independent_reviewer_acceptance",
            "owner_response_received_count=1",
            "owner_response_accepted_count=1",
            "forbidden_true_field_count=0",
            "effective_escrow_missing_count=0 after marker dry-runs and accepted marker writes",
        ],
        "execution_rules": [
            "Use this as the only P0-005 intake packet.",
            "Do not create per-item owner packets.",
            "Do not include secret values in evidence refs.",
            "Do not reopen cold-start or CI/CD while this checklist is pending.",
        ],
    }


def main() -> int:
    args = parse_args()
    payload = build_payload()
    text = json.dumps(payload, indent=2, ensure_ascii=False) + "\n"
    if args.output:
        args.output.parent.mkdir(parents=True, exist_ok=True)
        args.output.write_text(text, encoding="utf-8")
    else:
        print(text, end="")
    return 0


if __name__ == "__main__":
    raise SystemExit(main())