#!/usr/bin/env python3
"""Test vehicle compatibility engine (Opción C):
- auto_match_vehicle_compatibility
- get_compatibility / add / remove
- get_inventory_by_vehicle (local items in catalog)
"""

import os, sys
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

os.environ.setdefault('MASTER_DB_URL', 'postgresql://postgres@/nexus_autoparts')
os.environ.setdefault('TENANT_DB_URL_TEMPLATE', 'postgresql://postgres@/{db_name}')
os.environ.setdefault('POS_JWT_SECRET', 'test-secret-12345678901234567890123456789012')

from tenant_db import get_master_conn, get_tenant_conn_by_dbname
from services.inventory_vehicle_compat import (
    auto_match_vehicle_compatibility,
    get_compatibility,
    add_compatibility,
    remove_compatibility,
    get_inventory_by_vehicle,
)

PASS = '\033[92mPASS\033[0m'
FAIL = '\033[91mFAIL\033[0m'
passed = 0
failed = 0


def ok(label, condition, detail=''):
    global passed, failed
    if condition:
        print(f"  [{PASS}] {label}")
        passed += 1
    else:
        print(f"  [{FAIL}] {label} {detail}")
        failed += 1


# ─── Setup ─────────────────────────────────────
master = get_master_conn()
cur = master.cursor()
cur.execute("SELECT db_name FROM tenants WHERE is_active = true ORDER BY id LIMIT 1")
row = cur.fetchone()
cur.close(); master.close()

if not row:
    print("No active tenant found!")
    sys.exit(1)

db_name = row[0]
tenant = get_tenant_conn_by_dbname(db_name)
master = get_master_conn()

# Pick a part_number known to have vehicle_parts
TEST_PN = 'A700X6714GA'

print("=" * 60)
print("VEHICLE COMPATIBILITY ENGINE — VALIDATION")
print("=" * 60)

# ─── 1. Create test inventory item ─────────────
cur = tenant.cursor()
cur.execute("""
    INSERT INTO inventory (part_number, name, brand, barcode, unit, cost, price_1, price_2, price_3, is_active)
    VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, true)
    RETURNING id
""", (TEST_PN, 'Test Compat Item', 'TestBrand', 'COMPAT-TEST-001', 'PZA', 100, 150, 140, 130))
item_id = cur.fetchone()[0]
tenant.commit(); cur.close()
print(f"\n[Test item created: id={item_id}]")

# ─── 2. Auto-match ─────────────────────────────
print("\n[AUTO-MATCH]")
try:
    result = auto_match_vehicle_compatibility(master, tenant, item_id, TEST_PN)
    matched = result.get('matched', 0)
    ok("Auto-match returned count", matched > 0, f"matched={matched}")

    compat = get_compatibility(tenant, master, item_id)
    ok("Compatibilities created", len(compat) > 0, f"count={len(compat)}")
    ok("Compat has vehicle details", all(c.get('brand') for c in compat), f"sample={compat[0] if compat else None}")
    ok("Source is auto_match", all(c.get('source') == 'auto_match' for c in compat))
except Exception as e:
    ok("Auto-match", False, str(e))

# ─── 3. Manual add/remove ──────────────────────
print("\n[MANUAL COMPATIBILITY]")
try:
    # Find an MYE not already linked
    cur = master.cursor()
    cur.execute("""
        SELECT mye.id_mye FROM model_year_engine mye
        JOIN models m ON m.id_model = mye.model_id
        LIMIT 1
    """)
    mye_id = cur.fetchone()[0]
    cur.close()

    cid = add_compatibility(tenant, item_id, mye_id, source='manual')
    ok("Manual add", cid is not None, f"id={cid}")

    compat_after_add = get_compatibility(tenant, master, item_id)
    manual_items = [c for c in compat_after_add if c.get('source') == 'manual']
    ok("Manual item in list", len(manual_items) >= 1)

    removed = remove_compatibility(tenant, item_id, mye_id)
    ok("Manual remove", removed > 0, f"deleted={removed}")

    compat_after_remove = get_compatibility(tenant, master, item_id)
    manual_items_after = [c for c in compat_after_remove if c.get('source') == 'manual']
    ok("Manual item removed", len(manual_items_after) == 0)
except Exception as e:
    ok("Manual add/remove", False, str(e))

# ─── 4. Local inventory in catalog ─────────────
print("\n[CATALOG INTEGRATION]")
try:
    # Use the first MYE from auto-match
    compat = get_compatibility(tenant, master, item_id)
    if compat:
        test_mye = compat[0]['model_year_engine_id']
        local_rows = get_inventory_by_vehicle(tenant, master, test_mye)
        ok("Local items found for vehicle", any(r[0] == item_id for r in local_rows), f"count={len(local_rows)}")
    else:
        ok("Local items found for vehicle", False, "no compatibilities")
except Exception as e:
    ok("Catalog integration", False, str(e))

# ─── Cleanup ───────────────────────────────────
cur = tenant.cursor()
cur.execute("DELETE FROM inventory_vehicle_compat WHERE inventory_id = %s", (item_id,))
cur.execute("DELETE FROM inventory WHERE id = %s", (item_id,))
tenant.commit(); cur.close()
tenant.close(); master.close()

print("\n" + "=" * 60)
print(f"RESULTS: {PASS} {passed} passed, {FAIL} {failed} failed")
print("=" * 60)

sys.exit(0 if failed == 0 else 1)