namespace GB5Shared.Export.HybridReport
{
    /// <summary>
    /// Resolves the bundled default report templates (default.txt, pivot-report.html,
    /// headerhtml.html, footer.html, Unisoft1.png), independent of OS or deployment folder.
    /// Path is derived from the running assembly's own directory (AppContext.BaseDirectory),
    /// same fix class as ChromiumResolver — these files travel with the build output instead
    /// of needing to be hand-placed at a machine-specific absolute path (PDFEXPORT config).
    /// </summary>
    public static class ReportTemplateResolver
    {
        private static string TemplatesDir => Path.Combine(AppContext.BaseDirectory, "Templates");

        public static string DefaultView => Resolve("default.txt");
        public static string PivotView => Resolve("pivot-report.html");
        public static string HeaderHtml => Resolve("headerhtml.html");
        public static string FooterHtml => Resolve("footer.html");
        public static string LogoPath => Resolve("Unisoft1.png");

        private static string Resolve(string fileName)
        {
            var path = Path.Combine(TemplatesDir, fileName);
            if (!File.Exists(path))
            {
                throw new FileNotFoundException(
                    $"Bundled report template '{fileName}' not found at: {path}. " +
                    $"Verify the host's .csproj copies GB5Shared/Export/HybridReport/Templates/** into its output/publish directory.");
            }
            return path;
        }
    }
}