"""
Oracle Integration Tests for GoMag Import Manager (pytest-compatible)
=====================================================================
Requires Oracle connectivity and valid .env configuration.
Converted from api/test_integration.py.

Run:
    pytest api/tests/test_integration.py -v
"""

import os
import sys

import pytest

# --- Marker: all tests require Oracle ---
pytestmark = pytest.mark.oracle

# Set working directory to project root so relative paths in .env work
_script_dir = os.path.join(os.path.dirname(os.path.abspath(__file__)), "..")
_project_root = os.path.dirname(_script_dir)

# Load .env from api/ before importing app modules
from dotenv import load_dotenv

_env_path = os.path.join(_script_dir, ".env")
load_dotenv(_env_path, override=True)

# TNS_ADMIN must point to the directory containing tnsnames.ora, not the file
_tns_admin = os.environ.get("TNS_ADMIN", "")
if _tns_admin and os.path.isfile(_tns_admin):
    os.environ["TNS_ADMIN"] = os.path.dirname(_tns_admin)
elif not _tns_admin:
    os.environ["TNS_ADMIN"] = _script_dir

# Add api/ to path so app package is importable
if _script_dir not in sys.path:
    sys.path.insert(0, _script_dir)


@pytest.fixture(scope="module")
def client():
    """Create a TestClient with Oracle lifespan.

    Re-apply .env here because other test modules (test_requirements.py)
    may have set ORACLE_DSN=dummy at import time during pytest collection.
    """
    # Re-load .env to override any dummy values from other test modules
    load_dotenv(_env_path, override=True)
    _tns = os.environ.get("TNS_ADMIN", "")
    if _tns and os.path.isfile(_tns):
        os.environ["TNS_ADMIN"] = os.path.dirname(_tns)
    elif not _tns:
        os.environ["TNS_ADMIN"] = _script_dir

    # Force-update the cached settings singleton with correct values from .env
    from app.config import settings
    settings.ORACLE_USER = os.environ.get("ORACLE_USER", "MARIUSM_AUTO")
    settings.ORACLE_PASSWORD = os.environ.get("ORACLE_PASSWORD", "ROMFASTSOFT")
    settings.ORACLE_DSN = os.environ.get("ORACLE_DSN", "ROA_CENTRAL")
    settings.TNS_ADMIN = os.environ.get("TNS_ADMIN", _script_dir)
    settings.FORCE_THIN_MODE = os.environ.get("FORCE_THIN_MODE", "") == "true"

    from fastapi.testclient import TestClient
    from app.main import app

    with TestClient(app) as c:
        yield c


# ---------------------------------------------------------------------------
# Test A: GET /health — Oracle must show as connected
# ---------------------------------------------------------------------------
def test_health_oracle_connected(client):
    resp = client.get("/health")
    assert resp.status_code == 200
    body = resp.json()
    assert body.get("oracle") == "ok", f"oracle={body.get('oracle')!r}"
    assert body.get("sqlite") == "ok", f"sqlite={body.get('sqlite')!r}"


# ---------------------------------------------------------------------------
# Test B: Mappings CRUD cycle (uses real CODMAT from Oracle nomenclator)
# ---------------------------------------------------------------------------
TEST_SKU = "PYTEST_INTEG_SKU_001"


@pytest.fixture(scope="module")
def real_codmat(client):
    """Find a real CODMAT from Oracle nomenclator to use in mappings tests."""
    resp = client.get("/api/articles/search", params={"q": "A"})
    if resp.status_code != 200:
        pytest.skip("Articles search unavailable")
    results = resp.json().get("results", [])
    if not results:
        pytest.skip("No articles found in Oracle for CRUD test")
    return results[0]["codmat"]


def test_mappings_create(client, real_codmat):
    resp = client.post("/api/mappings", json={
        "sku": TEST_SKU,
        "codmat": real_codmat,
        "cantitate_roa": 2.5,
    })
    assert resp.status_code == 200
    body = resp.json()
    assert body.get("success") is True, f"create returned: {body}"


def test_mappings_list_after_create(client, real_codmat):
    resp = client.get("/api/mappings", params={"search": TEST_SKU})
    assert resp.status_code == 200
    body = resp.json()
    mappings = body.get("mappings", [])
    found = any(
        m["sku"] == TEST_SKU and m["codmat"] == real_codmat
        for m in mappings
    )
    assert found, f"mapping not found in list; got {mappings}"


def test_mappings_update(client, real_codmat):
    resp = client.put(f"/api/mappings/{TEST_SKU}/{real_codmat}", json={
        "cantitate_roa": 3.0,
    })
    assert resp.status_code == 200
    body = resp.json()
    assert body.get("success") is True, f"update returned: {body}"


def test_mappings_delete(client, real_codmat):
    resp = client.delete(f"/api/mappings/{TEST_SKU}/{real_codmat}")
    assert resp.status_code == 200
    body = resp.json()
    assert body.get("success") is True, f"delete returned: {body}"


def test_mappings_verify_soft_deleted(client, real_codmat):
    resp = client.get("/api/mappings", params={"search": TEST_SKU, "show_deleted": "true"})
    assert resp.status_code == 200
    body = resp.json()
    mappings = body.get("mappings", [])
    deleted = any(
        m["sku"] == TEST_SKU and m["codmat"] == real_codmat and m.get("sters") == 1
        for m in mappings
    )
    assert deleted, (
        f"expected sters=1 for deleted mapping, got: "
        f"{[m for m in mappings if m['sku'] == TEST_SKU]}"
    )


# ---------------------------------------------------------------------------
# Test C: GET /api/articles/search
# ---------------------------------------------------------------------------
def test_articles_search(client):
    search_terms = ["01", "A", "PH"]
    found_results = False
    for term in search_terms:
        resp = client.get("/api/articles/search", params={"q": term})
        assert resp.status_code == 200
        body = resp.json()
        results_list = body.get("results", [])
        if results_list:
            found_results = True
            break
    assert found_results, f"all search terms {search_terms} returned empty results"


# ---------------------------------------------------------------------------
# Test D: POST /api/validate/scan
# ---------------------------------------------------------------------------
def test_validate_scan(client):
    resp = client.post("/api/validate/scan")
    assert resp.status_code == 200
    body = resp.json()
    has_shape = "json_files" in body and ("orders" in body or "total_orders" in body)
    assert has_shape, f"unexpected response shape: {list(body.keys())}"


# ---------------------------------------------------------------------------
# Test E: GET /api/sync/history
# ---------------------------------------------------------------------------
def test_sync_history(client):
    resp = client.get("/api/sync/history")
    assert resp.status_code == 200
    body = resp.json()
    assert "runs" in body, f"missing 'runs' key; got keys: {list(body.keys())}"
    assert isinstance(body["runs"], list)
    assert "total" in body