import json
from pathlib import Path
import sys


ROOT = Path(__file__).resolve().parents[1]
SCRIPTS = ROOT / "scripts"
sys.path.insert(0, str(SCRIPTS))

from msvc_harness.adapters.cmake import CMakeAdapter
from msvc_harness.config import load_config
from msvc_harness.models import ProjectKind, ProjectSelection, Toolchain


PRESET_NAME = "windows-msvc-ninja-debug"
BINARY_DIR = ".harness/build-ninja-msvc-debug"


def test_harness_uses_tracked_ninja_msvc_presets(tmp_path):
    presets = json.loads((ROOT / "CMakePresets.json").read_text(encoding="utf-8"))
    configure = presets["configurePresets"][0]
    assert configure == {
        "name": PRESET_NAME,
        "displayName": "Windows MSVC x64 Debug (Ninja)",
        "generator": "Ninja",
        "binaryDir": f"${{sourceDir}}/{BINARY_DIR}",
        "cacheVariables": {
            "CMAKE_BUILD_TYPE": "Debug",
            "FESA_GTEST_SOURCE_DIR": "$env{FESA_GTEST_SOURCE_DIR}",
            "MKL_DIR": "$env{MKL_DIR}",
            "TBB_DIR": "$env{TBB_DIR}",
            "HDF5_DIR": "$env{HDF5_DIR}",
        },
    }
    assert presets["buildPresets"] == [
        {"name": PRESET_NAME, "configurePreset": PRESET_NAME}
    ]
    assert presets["testPresets"] == [
        {"name": PRESET_NAME, "configurePreset": PRESET_NAME}
    ]

    example = json.loads(
        (ROOT / ".harness" / "config.example.json").read_text(encoding="utf-8")
    )
    assert example == {
        "version": 1,
        "projectType": "cmake",
        "cmake": {
            "sourceDir": ".",
            "binaryDir": BINARY_DIR,
            "configurePreset": PRESET_NAME,
            "buildPreset": PRESET_NAME,
            "testPreset": PRESET_NAME,
        },
    }
    assert ".harness/build-ninja-msvc-debug/" in (
        ROOT / ".gitignore"
    ).read_text(encoding="utf-8").splitlines()

    harness_dir = tmp_path / ".harness"
    harness_dir.mkdir()
    (harness_dir / "config.json").write_text(
        json.dumps(example), encoding="utf-8"
    )
    config = load_config(tmp_path)
    tools = Toolchain(
        installation=tmp_path / "vs",
        msbuild=tmp_path / "msbuild.exe",
        cmake=tmp_path / "cmake.exe",
        ctest=tmp_path / "ctest.exe",
    )
    selection = ProjectSelection(ProjectKind.CMAKE, ROOT / "CMakePresets.json")
    plan = CMakeAdapter().create_plan(tmp_path, selection, config, tools)

    assert [step.command.argv[1:] for step in plan.steps] == [
        ("--preset", PRESET_NAME),
        ("--build", "--preset", PRESET_NAME),
        ("--preset", PRESET_NAME, "--show-only=json-v1"),
        ("--preset", PRESET_NAME, "--output-on-failure"),
    ]