"""Centralized configuration for the AI Research Oracle.

Single source of truth for all paths, defaults, and constants.
"""
import os
from pathlib import Path

# ── Paths ──────────────────────────────────────────────────────────────────
ROOT = Path(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
DB_PATH = ROOT / "oracle.db"
SCHEMA_PATH = ROOT / "schema.sql"

# ── Web output ─────────────────────────────────────────────────────────────
WEBROOT = "/var/www/preprod2"
FALLBACK_WEBROOT = ROOT / "site"
SEEN_JSON = ROOT.parent / "ai-oracle-site" / "seen_urls.json"

# ── Pipeline defaults ──────────────────────────────────────────────────────
ENABLED_SOURCES = ["github", "arxiv", "reddit", "hackernews", "huggingface", "rss"]
DEFAULT_LIMIT = 20

# ── Source tiers (World Monitor pattern) ───────────────────────────────────
# Tier 1: Primary trusted sources (official releases, peer-reviewed)
# Tier 2: Secondary credible sources (curated communities, major outlets)
# Tier 3: Tertiary noise sources (user-generated, unverified)
SOURCE_TIERS = {
    "arxiv": {"tier": 1, "label": "PRIMARY", "description": "Peer-reviewed research"},
    "github": {"tier": 1, "label": "PRIMARY", "description": "Official code releases"},
    "huggingface": {"tier": 1, "label": "PRIMARY", "description": "Model registry"},
    "rss": {"tier": 2, "label": "SECONDARY", "description": "Curated tech media"},
    "hackernews": {"tier": 2, "label": "SECONDARY", "description": "Curated community"},
    "reddit": {"tier": 3, "label": "TERTIARY", "description": "User-generated discussion"},
}

# Tier-based signal score bonus/penalty (applied to final_score)
TIER_BONUS = {1: 0.05, 2: 0.0, 3: -0.05}

# Freshness SLA per tier (hours after which a source is flagged stale)
FRESHNESS_SLA_H = {1: 48, 2: 24, 3: 12}

# ── Composite verdict thresholds ───────────────────────────────────────────
# PUBLISH: High score + fresh, goes to top
# WATCH:   Medium score, monitor for follow-ups
# ARCHIVE: Low score or aged out, move to archive
# DROP:    Junk score, ignore
VERDICT_THRESHOLDS = {
    "PUBLISH": {"min_score": 6.0, "max_age_h": 48},
    "WATCH":   {"min_score": 4.0, "max_age_h": 168},   # 7 days
    "ARCHIVE": {"min_score": 2.0, "max_age_h": 720},    # 30 days
    "DROP":    {"min_score": 0.0, "max_age_h": 999999}, # catch-all
}

# ── Content hash dedup ─────────────────────────────────────────────────────
CONTENT_HASH_PREFIX = "sha256"
HASH_LENGTH = 16  # characters

# ── Clickability weights ───────────────────────────────────────────────────
VEL_W = 0.50
ENG_W = 0.50
SIG_W = 0.0
HALF_LIFE_H = 18.0

# ── Render ─────────────────────────────────────────────────────────────────
TOP_N = 8

# ── Archive ────────────────────────────────────────────────────────────────
ARCHIVE_DAYS = 30
ARCHIVE_CAP = 5000