using Housing.Services;

// All files stay in an isolated fixture; never read or alter the real user's settings.
var root = Path.Combine(Path.GetFullPath(args[0]), Guid.NewGuid().ToString("N"));
var desktop = Path.Combine(root, "OneDrive", "바탕 화면");
var app = Path.Combine(root, "LocalAppData", "Housing");
var localData = Path.Combine(root, "LocalAppData");
Directory.CreateDirectory(app);
var checks = 0;

void Check(bool condition, string description)
{
    if (!condition) throw new InvalidOperationException("FAIL: " + description);
    checks++;
}

string Resolve(string name) => HousingSettingsPaths.GetIniPath(name, desktop, app, localData);

foreach (var name in new[] { "Database.ini", "Hardware.ini", "InspectionSettings.ini" })
{
    File.WriteAllText(Path.Combine(app, name), "bundled " + name);
    var path = Resolve(name);
    Check(path == Path.Combine(desktop, "Housing", name), "redirected desktop path: " + name);
    Check(File.ReadAllText(path) == "bundled " + name, "first-run initialization: " + name);
    File.WriteAllText(path, "user settings " + name);
    File.WriteAllText(Path.Combine(app, name), "new release defaults");
    Check(File.ReadAllText(Resolve(name)) == "user settings " + name, "existing settings survive: " + name);
    Check(File.Exists(Path.Combine(app, name)), "migration leaves source intact: " + name);
}

var saved = Path.Combine(localData, "AMO Housing");
Directory.CreateDirectory(saved);
File.WriteAllText(Path.Combine(saved, "InspectionSettings.ini"), "previously saved limits");
File.Delete(Path.Combine(desktop, "Housing", "InspectionSettings.ini"));
Check(File.ReadAllText(Resolve("InspectionSettings.ini")) == "previously saved limits",
    "legacy user limits take priority over bundled limits");
File.WriteAllText(Path.Combine(desktop, "Housing", "InspectionSettings.ini"), "desktop limits");
Check(File.ReadAllText(Resolve("InspectionSettings.ini")) == "desktop limits",
    "desktop limits take priority over legacy user limits");

File.Delete(Path.Combine(app, "Database.ini"));
Check(File.ReadAllText(Resolve("Database.ini")) == "user settings Database.ini",
    "installed app uses desktop even without bundled INI");
File.Delete(Path.Combine(desktop, "Housing", "Database.ini"));
Check(!File.Exists(Resolve("Database.ini")), "missing required INI is not replaced with an empty file");

try
{
    HousingSettingsPaths.GetIniPath("Hardware.ini", "", app, localData);
    throw new InvalidOperationException("FAIL: missing desktop should fail");
}
catch (DirectoryNotFoundException)
{
    checks++;
}
Console.WriteLine($"PASS: {checks} settings path checks.");