#include "revolver.h"
#include "scene/animation/animation_player.h"
#include "wave_survival/player_camera.h"
#include "wave_survival/player_input.h"

void Revolver::_bind_methods() {
}

void Revolver::play_equip_anim() {
	get_anim()->play("equip", 0.0);
	get_anim()->queue("idle_double");
	get_anim()->advance(0.0);
}

void Revolver::shoot() {
	if (!is_animating()) {
		this->muzzle->shoot();
		if (this->alt_active) {
			get_anim()->queue("fire_single");
			get_anim()->queue("idle_single");
		} else {
			get_anim()->queue("fire_double");
			get_anim()->queue("idle_double");
		}
	}
}

void Revolver::on_primary_fire(bool pressed) {
	if (pressed) {
		shoot();
	}
}

void Revolver::on_alt_mode(bool pressed) {
	this->alt_requested = pressed;
}

void Revolver::ready() {
	this->muzzle = cast_to<HitscanMuzzle>(get_node(NodePath("%HitscanMuzzle")));
	get_input()->connect(PlayerInput::sig_primary_fire, callable_mp(this, &self_type::on_primary_fire));
	get_input()->connect(PlayerInput::sig_alt_mode, callable_mp(this, &self_type::on_alt_mode));
	play_equip_anim();
}

void Revolver::process(double delta) {
	String const current{ get_anim()->get_current_animation() };
	double animation_time{ get_anim()->get_current_animation_position() };
	if (current == "fire_single" || current == "fire_double") {
		double t{ animation_time / this->recoil_time };
		get_camera()->recoil(Math::lerp((double)this->recoil_force, 0.0, CLAMP(t, 0.0, 1.0)) * delta);
	}
}

void Revolver::_notification(int what) {
	if (Engine::get_singleton()->is_editor_hint()) {
		return;
	}
	switch (what) {
		default:
			return;
		case NOTIFICATION_READY:
			set_process(true);
			ready();
			return;
		case NOTIFICATION_PROCESS:
			process(get_process_delta_time());
			return;
	}
}

void Revolver::notify_selected() {
	play_equip_anim();
}