const std = @import("std");
const http = @import("apple_pie");

// use evented mode for event loop support
pub const io_mode = .evented;

// optional root constant to define max stack buffer size per request
pub const buffer_size: usize = 4096;
// optional root constant to define max header size per request
pub const request_buffer_size: usize = 4096;

/// Context variable, accessible by all handlers, allowing to access data objects
/// without requiring them to be global. Thread-safety must be handled by the user.
const Context = struct {
    data: []const u8,
};

pub fn main() !void {
    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
    defer _ = gpa.deinit();
	
    const my_context: Context = .{ .data = "Hello, world!" };
	
    try http.listenAndServe(
        gpa.allocator(),
        try std.net.Address.parseIp("127.0.0.1", 8080),
        my_context,
        index,
    );
}

fn index(ctx: Context, response: *http.Response, request: http.Request) !void {
    _ = request;
    try response.writer().print("{s}", .{ctx.data});
}