"""Проверка какие миграции 028..054 НЕ применены."""
from __future__ import annotations

import os
import psycopg

dsn = os.environ["DATABASE_URL"].replace("postgresql+psycopg://", "postgresql://")
conn = psycopg.connect(dsn)
cur = conn.cursor()

# Маркеры по миграциям (table/column/index/etc)
CHECKS = [
    ("028 matching_tables", "table", "house_sources"),
    ("029 extend matching/valuation/dynamics", "column", ("listing_sources", "price_divergence_pct")),
    ("030 avito_imv cache_key unique", "index_unique", ("avito_imv_evaluations", "cache_key")),
    ("030 listings_alter_yandex", "column", ("listings", "yandex_id")),
    ("031 houses_alter_yandex", "column", ("houses", "yandex_id")),
    ("032 yandex_history", "table", "yandex_house_history"),
    ("040 houses_extend", "column", ("houses", "year_renovated")),
    ("041 house_sources noop", "noop", None),
    ("042 listing_sources price_divergence_idx", "index", "listing_sources_price_divergence_idx"),
    ("043 house_reviews_extend", "column", ("house_reviews", "review_text")),
    ("044 external_valuations_link", "column", ("external_valuations", "link_url")),
    ("045 house_placement_history_extend", "column", ("house_placement_history", "first_seen_at")),
    ("046 views", "view", "v_house_canonical"),
    ("050 search_optimization", "matview", "listings_search_mv"),
    ("051 scrape_runs_extend", "column", ("scrape_runs", "heartbeat_at")),
    ("052 scrape_schedules", "table", "scrape_schedules"),
    ("053 scraper_settings", "table", "scraper_settings"),
    ("054 scraper_settings_global", "row", ("scraper_settings", "source='global'")),
]


def check(kind: str, target) -> bool:
    if kind == "noop":
        return True
    if kind == "table":
        cur.execute(
            "SELECT 1 FROM information_schema.tables WHERE table_schema='public' AND table_name=%s",
            (target,),
        )
    elif kind == "view":
        cur.execute(
            "SELECT 1 FROM information_schema.views WHERE table_schema='public' AND table_name=%s",
            (target,),
        )
    elif kind == "matview":
        cur.execute("SELECT 1 FROM pg_matviews WHERE matviewname=%s", (target,))
    elif kind == "column":
        tbl, col = target
        cur.execute(
            "SELECT 1 FROM information_schema.columns WHERE table_name=%s AND column_name=%s",
            (tbl, col),
        )
    elif kind == "index":
        cur.execute("SELECT 1 FROM pg_indexes WHERE indexname=%s", (target,))
    elif kind == "index_unique":
        tbl, col = target
        cur.execute(
            """SELECT 1 FROM pg_indexes WHERE tablename=%s AND indexdef ~ %s""",
            (tbl, f"UNIQUE.*{col}"),
        )
    elif kind == "row":
        tbl, where = target
        cur.execute(f"SELECT 1 FROM {tbl} WHERE {where}")
    else:
        return False
    return cur.fetchone() is not None


print(f"{'Migration':<48}  Status")
print("-" * 60)
missing = []
for name, kind, target in CHECKS:
    try:
        ok = check(kind, target)
    except Exception as e:  # noqa: BLE001
        ok = False
        print(f"{name:<48}  ✗ ERROR: {type(e).__name__}: {str(e)[:50]}")
        conn.rollback()
        missing.append(name)
        continue
    status = "✓" if ok else "✗ MISSING"
    print(f"{name:<48}  {status}")
    if not ok:
        missing.append(name)

print(f"\nMissing: {len(missing)}/{len(CHECKS)}")
for m in missing:
    print(f"  - {m}")