const std    = @import("std");
const dvui   = @import("dvui");
const hncore = @import("hncore");

const App = @import("./App.zig").App;

pub fn main() !void {
    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
    defer if (gpa.deinit() == .leak) {
        @panic("memory leak detected");
    };

    var backend = try dvui.backend.initWindow(.{
        .allocator = gpa.allocator(),
        .size      = .{ .w = 800, .h = 600, },
        .min_size  = .{ .w = 250, .h = 350, },
        .vsync     = true,
        .title     = "Heaven's Net",
    });
    defer backend.deinit();

    var win = try dvui.Window.init(@src(), gpa.allocator(), backend.backend(), .{});
    defer win.deinit();

    var app = try App.init(gpa.allocator());
    while (true) {
        try win.begin(
            win.beginWait(backend.hasEvent()),
        );

        const quit = try backend.addAllEvents(&win);
        if (quit) {
            break;
        }

        try app.gui();

        const end_micros = try win.end(.{});

        backend.setCursor(win.cursorRequested());
        backend.textInputRect(win.textInputRequested());
        backend.renderPresent();

        backend.waitEventTimeout(
            win.waitTime(end_micros, null),
        );
    }
}