//! ----------------------------------------------------
//! ----------------------------------------------------

const std = @import("std");
const sdl = @import("sdl");
const sdl_glue = @import("sdl_glue");
const wgpu = @import("wgpu");
const App = @import("app");

const Window = @import("../../window/resource/window.zig");
const Resized = @import("../../window/event/resized.zig");
const WGPUInstance = @import("../../platform/resource/wgpu_instance.zig");
const WGPUDevice = @import("../../device/resource/wgpu_device.zig");

/// ----------------------------------------------------
/// ----------------------------------------------------
pub fn pollEvents(app: *App) !void {
    // --- # ---
    const res = try app.resources.getMany(struct {
        instance: *WGPUInstance,
        window: *Window,
        device: *WGPUDevice,
    });

    var event: sdl.SDL_Event = undefined;
    while (sdl.SDL_PollEvent(&event)) {
        switch (event.type) {
            sdl.SDL_EVENT_QUIT => try app.events.send(App.event.AppExit{}),
            sdl.SDL_EVENT_WINDOW_RESIZED => {
                // --- # ---
                try app.events.send(Resized{
                    .width = @intCast(event.window.data1),
                    .height = @intCast(event.window.data2),
                });

                // --- RELEASE ---
                sdl_glue.wgpuSurfaceUnconfigure(res.window.surface);

                // --- CONFIGURE SURFACE ---
                sdl_glue.wgpuSurfaceConfigure(
                    res.window.surface,
                    &sdl_glue.WGPUSurfaceConfiguration{
                        .device = @ptrCast(res.device.raw),
                        .format = 28, // TODO: Get format properly, idk, store it somewhere
                        .width = @intCast(event.window.data1),
                        .height = @intCast(event.window.data2),
                        .usage = sdl_glue.WGPUTextureUsage_RenderAttachment,
                    },
                );
            },
            else => {},
        }
    }
}