"""Generate explicit, deterministic non-production control-panel data."""

import argparse
import uuid
from datetime import datetime, timedelta, timezone

from central.app.config import settings
from central.app.db import SessionLocal
from central.app.models import Agent, AgentEvent, AgentSnapshot, BlockedProduct, Installation, Job, Tenant
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker


def generate_fixture(session, agent_count=100, seed=7):
    now = datetime.now(timezone.utc)
    states = ["ONLINE"] * 55 + ["DEGRADED"] * 20 + ["OFFLINE"] * 15 + ["FAILED"] * 10
    created = {"agents": 0, "events": 0, "blockers": 0, "jobs": 0}
    for index in range(agent_count):
        tenant = Tenant(name=f"Fixture Client {index:03d}"); session.add(tenant); session.flush()
        agent = Agent(tenant_id=tenant.id, name=f"fixture-agent-{index:03d}", token_hash=(f"fixture-{index:03d}".ljust(64, "0"))[:64], agent_version="1.0.0rc1"); session.add(agent); session.flush()
        state = states[index % len(states)]
        last_seen = now - timedelta(seconds=10 if state in {"ONLINE", "DEGRADED"} else 10_000)
        installation = Installation(agent_id=agent.id, tenant_id=tenant.id, installation_id=str(uuid.uuid5(uuid.NAMESPACE_DNS, f"fixture-{index}")), display_name=f"{tenant.name} - Servidor Principal", customer_code=f"F{index:03d}", hostname=f"srv-{index:03d}", company_name=f"Empresa {index:03d}", company_uf="BA", company_crt="1", last_seen_at=last_seen, last_status="IDLE")
        session.add(installation); session.flush()
        snapshot = AgentSnapshot(installation_id=installation.id, total_products=5000 + index, fiscally_complete=4900 + index, safe_blocked=index % 9, failed_products=1 if state == "FAILED" else 0, coverage_percent=98.0, blockers={"CFOP": index % 7, "ST": index % 5}, agent_health=state, last_job_status="FAILED" if state in {"DEGRADED", "FAILED"} else "COMPLETED")
        session.add(snapshot); created["agents"] += 1
        for event_index in range(5):
            session.add(AgentEvent(tenant_id=tenant.id, installation_id=installation.id, agent_id=agent.id, severity="ERROR" if state == "FAILED" and event_index == 0 else "INFO", event_type="JOB_FAILED" if state in {"DEGRADED", "FAILED"} and event_index == 0 else "HEARTBEAT", message="Fixture operational event", structured_context={"fixture": True}, occurred_at=now - timedelta(minutes=event_index)))
            created["events"] += 1
        session.add(Job(agent_id=agent.id, kind="REPROCESS_ALL", status="FAILED" if state in {"DEGRADED", "FAILED"} else "COMPLETED", payload={}, result_summary={"fixture": True}, error="fixture technical failure" if state in {"DEGRADED", "FAILED"} else None))
        created["jobs"] += 1
        if index % 2 == 0:
            session.add(BlockedProduct(tenant_id=tenant.id, company=tenant.name, product_code=f"P{index:06d}", description="Fixture product", blocker_type="CFOP", field="CFOP", reason_code="INSUFFICIENT_EVIDENCE", evidence_summary={"fixture": True}, input_fingerprint=f"{index:064d}", blocker_fingerprint=f"{index+1000:064d}"))
            created["blockers"] += 1
    session.commit()
    return created


def main():
    parser = argparse.ArgumentParser(); parser.add_argument("--database-url", default=None); parser.add_argument("--agents", type=int, default=100); parser.add_argument("--seed", type=int, default=7); parser.add_argument("--confirm-non-production", action="store_true")
    args = parser.parse_args()
    if settings.environment == "production" or not args.confirm_non_production:
        raise SystemExit("refusing fixture generation without --confirm-non-production in non-production")
    session_factory = SessionLocal
    if args.database_url:
        session_factory = sessionmaker(bind=create_engine(args.database_url))
    with session_factory() as session:
        print(generate_fixture(session, args.agents, args.seed))


if __name__ == "__main__":
    main()