const std = @import("std");

pub fn main() !void {
    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
    defer _ = gpa.deinit();
    const allocator = gpa.allocator();

    const args = try std.process.argsAlloc(allocator);
    defer std.process.argsFree(allocator, args);

    if (args.len < 2) {
        std.debug.print("Usage: {s} <path-to-sdl3-headers>\n", .{args[0]});
        std.debug.print("Example: {s} ../SDL/include/SDL3\n", .{args[0]});
        return error.MissingArgument;
    }

    const headers_path = args[1];

    std.debug.print("SDL3 Header Parser\n", .{});
    std.debug.print("==================\n\n", .{});
    std.debug.print("Scanning headers in: {s}\n\n", .{headers_path});

    // Open the directory
    var dir = std.fs.cwd().openDir(headers_path, .{ .iterate = true }) catch |err| {
        std.debug.print("Error: Could not open directory '{s}': {}\n", .{ headers_path, err });
        return err;
    };
    defer dir.close();

    // Iterate over files
    var iter = dir.iterate();
    var count: usize = 0;

    while (try iter.next()) |entry| {
        if (entry.kind != .file) continue;

        // Check if it's a .h file
        if (std.mem.endsWith(u8, entry.name, ".h")) {
            count += 1;
            std.debug.print("  [{d}] {s}\n", .{ count, entry.name });
        }
    }

    std.debug.print("\nTotal headers found: {d}\n", .{count});
}

test "basic test" {
    try std.testing.expect(true);
}