using System.Diagnostics;
using Compiler;

foreach (var fileName in args)
{
    var file = File.ReadAllText(fileName);

    var tokens = Tokenizer.Tokenize(fileName, file, out var tokenizerDiagnostics);

    foreach (var diagnostic in tokenizerDiagnostics)
    {
        DiagnosticFormatter.Print(diagnostic, Console.Error);
    }

    if (tokenizerDiagnostics.Any(x => x.Severity == DiagnosticSeverity.Error))
    {
        return 1;
    }

    var ast = Parser.Parse(fileName, tokens, out var parserDiagnostics);

    foreach (var diagnostic in parserDiagnostics)
    {
        DiagnosticFormatter.Print(diagnostic, Console.Error);
    }

    if (parserDiagnostics.Any(x => x.Severity == DiagnosticSeverity.Error))
    {
        return 1;
    }

    var typedAst = TypeChecker.Check(fileName, ast, out var typeCheckerDiagnostics);

    foreach (var diagnostic in typeCheckerDiagnostics)
    {
        DiagnosticFormatter.Print(diagnostic, Console.Error);
    }

    if (typeCheckerDiagnostics.Any(x => x.Severity == DiagnosticSeverity.Error))
    {
        return 1;
    }

    var output = Generator.Emit(typedAst);

    Directory.Delete(".build", recursive: true);
    Directory.CreateDirectory(".build");

    var outFilePath = Path.Combine(".build", Path.ChangeExtension(fileName, "c"));
    File.WriteAllText(outFilePath, output);

    Process.Start("gcc", ["-Og", "-g", "-c", "-o", Path.ChangeExtension(outFilePath, "o"), outFilePath]);
}


return 0;