from __future__ import annotations

import os
from pathlib import Path


APP_DIR = Path(__file__).resolve().parent.parent
PROJECT_ROOT = APP_DIR.parent

_configured_data_dir = os.getenv("SIMULATIONAPP_DATA_DIR")
DATA_DIR = (
    Path(_configured_data_dir).expanduser().resolve()
    if _configured_data_dir
    else APP_DIR / "data"
)

SIMULATION_RUNS_DIR = DATA_DIR / "simulation-runs"
SIMULATION_BASELINES_DIR = PROJECT_ROOT / "tests" / "baselines"
# Current browser/solver input and the matching AME drawing (September 2026).
CURRENT_MQL8_PROJECT_PATH = PROJECT_ROOT / "tests" / "data" / "test-mql-8-corrected.json"
CURRENT_MQL8_AME_PATH = PROJECT_ROOT / "tests" / "data" / "test_mql.ame"

# Frozen August reference: its AME bytes differ from the current drawing.
HISTORICAL_MQL8_AME_PATH = PROJECT_ROOT / "tests" / "data" / "AmesimModels" / "test_mql.ame"
HISTORICAL_MQL8_PROJECT_PATH = SIMULATION_BASELINES_DIR / "simulation" / "test_mql_8" / "sources" / "test-mql-8.json"
HISTORICAL_MQL8_XML_PATH = HISTORICAL_MQL8_PROJECT_PATH.with_suffix(".xml")
AMESIM_TEST_MQL_ARCHIVE_PATH = HISTORICAL_MQL8_AME_PATH
MODELICA_TESTMODEL_RESULT_PATH = (
    PROJECT_ROOT / "ModelicaModels" / "Simulation" / "Testmodel_res.csv"
)