const std = @import("std");
const core = @import("core");
const test_vert = @import("test.vert");

// controls glfw and general windowing
// graphics depends on this one

pub const windowing = @import("windowing.zig");

pub const Module: core.ModuleDescription = .{
    .name = "platform",
    .enabledByDefault = true,
};

var gPlatformInstance: *windowing.PlatformInstance = undefined;
var gStartupParams: windowing.PlatformParams = .{};

pub fn context() *windowing.PlatformInstance {
    return gPlatformInstance;
}

pub fn setWindowSettings(params: windowing.PlatformParams) void {
    gStartupParams = params;
}

pub fn getCursorPosition() core.Vector2f {
    return gPlatformInstance.getCursorPosition();
}

pub fn setCursorVisible(visible: bool) void {
    return gPlatformInstance.setCursorVisible(visible);
}

pub fn setMousePosition(pos: core.Vector2f) void {
    gPlatformInstance.setMousePosition(pos);
}

pub fn setMouseRelativeMode(relativeMode: bool) void {
    gPlatformInstance.setMouseRelativeMode(relativeMode);
}

pub fn start_module(comptime programSpec: anytype, args: anytype, allocator: std.mem.Allocator) !void {
    _ = args;
    _ = programSpec;
    if (core.isUtility()) {
        return;
    }

    gPlatformInstance = try allocator.create(windowing.PlatformInstance);
    gPlatformInstance.* = try windowing.PlatformInstance.init(allocator, gStartupParams);

    try gPlatformInstance.setupWindow();

    try gPlatformInstance.registerFuncs();
}

pub fn getInstance() *windowing.PlatformInstance {
    return gPlatformInstance;
}

pub fn shutdown_module(allocator: std.mem.Allocator) void {
    if (core.isUtility()) {
        return;
    }

    gPlatformInstance.deinit();

    allocator.destroy(gPlatformInstance);
}