# =============================================================================
# PulseWatch AI - Environment Configuration
# Copy this file to .env and fill in the values you want to use.
# The application works with EVERY value below left at its default -
# AI keys especially are entirely optional; core monitoring, alerts,
# incidents, anomaly detection, logs, and the dashboard all work without them.
# =============================================================================

# --- AI Providers (all optional - leave blank to disable a provider) -------
OPENAI_API_KEY=
ANTHROPIC_API_KEY=
GEMINI_API_KEY=

OPENAI_MODEL=gpt-4o-mini
ANTHROPIC_MODEL=claude-3-5-haiku-20241022
GEMINI_MODEL=gemini-1.5-flash

# Automatic mode fallback order (used when a caller doesn't force one provider)
PRIMARY_AI_PROVIDER=openai
FALLBACK_AI_PROVIDER=anthropic
SECONDARY_FALLBACK_AI_PROVIDER=gemini

# --- Database ----------------------------------------------------------------
# Leave blank for local SQLite (./pulsewatch.db). Set to a PostgreSQL URL
# for production, e.g. postgresql://user:pass@host:5432/dbname
DATABASE_URL=

# --- Monitoring ----------------------------------------------------------------
DEFAULT_CHECK_INTERVAL_SECONDS=60
MIN_CHECK_INTERVAL_SECONDS=30
DEFAULT_MONITOR_TIMEOUT_SECONDS=10
MAX_CONCURRENT_CHECKS=10

# --- Alerts / Incidents -------------------------------------------------------
FAILURES_BEFORE_INCIDENT=3
LATENCY_WARNING_MS=1000
LATENCY_CRITICAL_MS=3000

# --- Anomaly Detection ---------------------------------------------------------
ANOMALY_MIN_SAMPLES=10
ANOMALY_ZSCORE_THRESHOLD=3.0
ANOMALY_PCT_CHANGE_THRESHOLD=100.0

# --- Data Retention ------------------------------------------------------------
METRIC_RETENTION_DAYS=30

# --- Security ------------------------------------------------------------------
# MUST remain false for any public/cloud deployment (Render etc).
# Only set true for local testing against your own localhost services.
ALLOW_PRIVATE_MONITORING=false
MAX_MONITOR_RESPONSE_BYTES=1048576

# Optional: used to derive the local encryption key for stored monitoring
# credentials (auth headers). If unset, a local key file is generated.
SECRET_KEY=

# --- Webhooks (optional) --------------------------------------------------------
WEBHOOK_URL=

# --- Server --------------------------------------------------------------------
PORT=8000
# This educational deployment's background scheduler is designed for exactly
# ONE worker process. Do not increase this without adding a distributed lock.
WEB_CONCURRENCY=1