from __future__ import annotations

import json
import tempfile
from pathlib import Path

import pytest


@pytest.fixture
def tmp_dir(tmp_path):
    """Temporary directory for test files."""
    return tmp_path


@pytest.fixture
def session_file(tmp_path):
    """Empty session file path in temp dir."""
    return tmp_path / "session.json"


@pytest.fixture
def session_data():
    """Sample session data."""
    return {
        "_schema_version": 1,
        "__tab_list__": [{"key": "dut_1", "label": "DUT 1"}],
        "dut_1": {
            "dut_port": "COM3",
            "dut_baud": 1500000,
            "app_path": "/path/to/app.bin",
            "app_start_addr": "0x08040000",
            "app_end_addr": "0x08440000",
        },
    }


@pytest.fixture
def corrupt_session_file(tmp_path):
    """Session file with invalid JSON."""
    p = tmp_path / "session.json"
    p.write_text("{invalid json!!!", encoding="utf-8")
    return p