use super::{
    super::{vek::*, Animation},
    BipedSmallSkeleton, SkeletonAttr,
};
use common::{comp::item::ToolKind, states::utils::StageSection};
use std::f32::consts::PI;

pub struct AlphaAnimation;

type AlphaAnimationDependency<'a> = (
    Option<&'a str>,
    Option<ToolKind>,
    Vec3<f32>,
    Vec3<f32>,
    Vec3<f32>,
    f32,
    Vec3<f32>,
    f32,
    Option<StageSection>,
    f32,
);

impl Animation for AlphaAnimation {
    type Dependency<'a> = AlphaAnimationDependency<'a>;
    type Skeleton = BipedSmallSkeleton;

    #[cfg(feature = "use-dyn-lib")]
    const UPDATE_FN: &'static [u8] = b"biped_small_alpha\0";

    #[cfg_attr(feature = "be-dyn-lib", export_name = "biped_small_alpha")]

    fn update_skeleton_inner(
        skeleton: &Self::Skeleton,
        (
            ability_id,
            active_tool_kind,
            velocity,
            _orientation,
            _last_ori,
            global_time,
            _avg_vel,
            _acc_vel,
            stage_section,
            timer,
        ): Self::Dependency<'_>,
        anim_time: f32,
        _rate: &mut f32,
        s_a: &SkeletonAttr,
    ) -> Self::Skeleton {
        let mut next = (*skeleton).clone();
        let speed = Vec2::<f32>::from(velocity).magnitude();

        let fast = (anim_time * 10.0).sin();
        let fastalt = (anim_time * 10.0 + PI / 2.0).sin();

        let speednorm = speed / 9.4;
        let speednormcancel = 1.0 - speednorm;
        let anim_time = anim_time.min(1.0);
        let (move1base, move2base, move3) = match stage_section {
            Some(StageSection::Buildup) => (anim_time.sqrt(), 0.0, 0.0),
            Some(StageSection::Action) => (1.0, anim_time.powi(4), 0.0),
            Some(StageSection::Recover) => (1.0, 1.0, anim_time),
            _ => (0.0, 0.0, 0.0),
        };
        let pullback = 1.0 - move3;
        let subtract = global_time - timer;
        let check = subtract - subtract.trunc();
        let mirror = (check - 0.5).signum();
        let move1 = move1base * pullback * mirror;
        let move2 = move2base * pullback * mirror;
        let move1abs = move1base * pullback;
        let move2abs = move2base * pullback;
        next.hand_l.position = Vec3::new(s_a.grip.0 * 4.0, 0.0, s_a.grip.2);
        next.hand_r.position = Vec3::new(-s_a.grip.0 * 4.0, 0.0, s_a.grip.2);
        next.main.position = Vec3::new(0.0, 0.0, 0.0);
        next.main.orientation = Quaternion::rotation_x(0.0);
        next.hand_l.orientation = Quaternion::rotation_x(0.0);
        next.hand_r.orientation = Quaternion::rotation_x(0.0);
        match active_tool_kind {
            Some(ToolKind::Spear) => {
                next.head.position = Vec3::new(0.0, s_a.head.0, s_a.head.1);
                next.head.orientation = Quaternion::rotation_x(move1abs * 0.2 + move2abs * 0.3)
                    * Quaternion::rotation_z(move1abs * -0.2 + move2abs * 0.6)
                    * Quaternion::rotation_y(move1abs * 0.3 + move2abs * -0.5);
                next.chest.position = Vec3::new(0.0, s_a.chest.0, s_a.chest.1);
                next.chest.orientation = Quaternion::rotation_x(move1abs * -0.2 + move2abs * 0.3)
                    * Quaternion::rotation_z(move1abs * 0.5 + move2abs * -0.6);

                next.pants.position = Vec3::new(0.0, s_a.pants.0, s_a.pants.1);
                next.pants.orientation = Quaternion::rotation_x(move1abs * 0.2 + move2abs * -0.3)
                    * Quaternion::rotation_z(move1abs * -0.2 + move2abs * 0.2);

                next.control_l.position = Vec3::new(1.0 - s_a.grip.0 * 2.0, 2.0, -2.0);
                next.control_r.position = Vec3::new(-1.0 + s_a.grip.0 * 2.0, 2.0, 2.0);

                next.control.position = Vec3::new(
                    -3.0 + move1abs * -3.0 + move2abs * 5.0,
                    s_a.grip.2 + move1abs * -12.0 + move2abs * 17.0,
                    -s_a.grip.2 / 2.5 + s_a.grip.0 * -2.0 + move2abs * 5.0,
                );

                next.control_l.orientation =
                    Quaternion::rotation_x(PI / 1.5 + move1abs * -1.5 + move2abs * 2.5)
                        * Quaternion::rotation_y(-0.3);
                next.control_r.orientation = Quaternion::rotation_x(
                    PI / 1.5 + s_a.grip.0 * 0.2 + move1abs * -1.5 + move2abs * 2.5,
                ) * Quaternion::rotation_y(0.5 + s_a.grip.0 * 0.2);

                next.control.orientation =
                    Quaternion::rotation_x(-1.35 + move1abs * -0.3 + move2abs * 0.5)
                        * Quaternion::rotation_z(move1abs * 1.0 + move2abs * -1.0)
                        * Quaternion::rotation_y(move2abs * 0.0);

                next.tail.position = Vec3::new(0.0, s_a.tail.0, s_a.tail.1);
                next.tail.orientation = Quaternion::rotation_x(0.05 * fastalt * speednormcancel)
                    * Quaternion::rotation_z(fast * 0.15 * speednormcancel);
            },
            Some(ToolKind::Axe | ToolKind::Hammer | ToolKind::Pick) => {
                next.head.orientation = Quaternion::rotation_z(move1abs * 0.3 + move2abs * -0.6);
                next.control_l.position = Vec3::new(2.0 - s_a.grip.0 * 2.0, 1.0, 3.0);
                next.control_r.position = Vec3::new(
                    9.0 + move1abs * -10.0 + s_a.grip.0 * 2.0,
                    -1.0 + move1abs * 2.0,
                    move1abs * 3.0 - 2.0,
                );

                next.control.position = Vec3::new(
                    -5.0 + move1abs * 5.0,
                    -1.0 + s_a.grip.2,
                    -1.0 + move1abs * 3.0 + -s_a.grip.2 / 2.5 + s_a.grip.0 * -2.0,
                );

                next.control_l.orientation = Quaternion::rotation_x(PI / 2.0 + move2abs * 1.0)
                    * Quaternion::rotation_y(-0.0)
                    * Quaternion::rotation_z(-0.0);
                next.control_r.orientation =
                    Quaternion::rotation_x(0.5 + move1abs * 1.5 + s_a.grip.0 * 0.2)
                        * Quaternion::rotation_y(0.2 + s_a.grip.0 * 0.2)
                        * Quaternion::rotation_z(-0.0);

                next.control.orientation = Quaternion::rotation_x(-0.3 + move2abs * -1.0)
                    * Quaternion::rotation_y(move1abs * -0.9 + move2abs * 2.0)
                    * Quaternion::rotation_z(-0.3);
            },
            Some(ToolKind::Dagger) => {
                next.head.orientation = Quaternion::rotation_x(move1abs * 0.15 + move2abs * -0.15)
                    * Quaternion::rotation_z(move1abs * 0.15 + move2abs * -0.3);
                next.control_l.position = Vec3::new(2.0 - s_a.grip.0 * 2.0, 1.0, 3.0);
                next.control_r.position = Vec3::new(
                    9.0 + move1abs * -7.0 + s_a.grip.0 * 2.0,
                    -1.0 + move1abs * 6.0,
                    -2.0,
                );

                next.control.position = Vec3::new(
                    -5.0 + move1abs * 5.0 + move2abs * 9.0,
                    -1.0 + move2abs * -3.0 + s_a.grip.2,
                    -1.0 + move1abs * 3.0 + -s_a.grip.2 / 2.5 + s_a.grip.0 * -2.0,
                );

                next.control_l.orientation = Quaternion::rotation_x(PI / 2.0)
                    * Quaternion::rotation_y(-0.0)
                    * Quaternion::rotation_z(-0.0);
                next.control_r.orientation =
                    Quaternion::rotation_x(0.5 + move1abs * 1.5 + s_a.grip.0 * 0.2)
                        * Quaternion::rotation_y(0.2 + s_a.grip.0 * 0.2)
                        * Quaternion::rotation_z(-0.0);

                next.control.orientation = Quaternion::rotation_x(-0.3 + move2abs * -1.0)
                    * Quaternion::rotation_y(move1abs * -0.4 + move2abs * 1.0)
                    * Quaternion::rotation_z(-0.3 + move2abs * -2.2);
            },
            Some(ToolKind::Staff) => match ability_id {
                Some("common.abilities.custom.dwarves.flamekeeper.flamecrush") => {
                    next.control_l.position = Vec3::new(2.0 - s_a.grip.0 * 2.0, 1.0, 3.0);
                    next.control_r.position = Vec3::new(12.0 + s_a.grip.0 * 2.0, -4.0, 3.0);

                    next.control.position = Vec3::new(
                        -9.0 + move1 * 5.0 + move2 * -5.0,
                        2.0 + s_a.grip.2,
                        -2.0 + -s_a.grip.2 / 2.5
                            + s_a.grip.0 * -2.0
                            + move1abs * 6.0
                            + move2abs * -3.0,
                    );

                    next.control_l.orientation = Quaternion::rotation_x(PI / 2.0)
                        * Quaternion::rotation_y(-0.3)
                        * Quaternion::rotation_z(-0.3);
                    next.control_r.orientation =
                        Quaternion::rotation_x(PI / 2.0 + s_a.grip.0 * 0.2)
                            * Quaternion::rotation_y(-0.4 + s_a.grip.0 * 0.2)
                            * Quaternion::rotation_z(-0.0);

                    next.control.orientation =
                        Quaternion::rotation_x(-0.3 + move1abs * 1.0 + move2abs * -2.0)
                            * Quaternion::rotation_y(0.0)
                            * Quaternion::rotation_z(0.5);
                    next.chest.orientation =
                        Quaternion::rotation_x(move1abs * 0.5 + move2abs * -1.0)
                            * Quaternion::rotation_z(move1 * 1.2 + move2 * -1.8);
                    next.head.orientation = Quaternion::rotation_z(move1 * -0.8 + move2 * 0.8);
                },
                _ => {
                    next.control_l.position = Vec3::new(2.0 - s_a.grip.0 * 2.0, 1.0, 3.0);
                    next.control_r.position = Vec3::new(7.0 + s_a.grip.0 * 2.0, -4.0, 3.0);

                    next.control.position = Vec3::new(
                        -5.0 + move1 * 5.0 + move2 * -5.0,
                        -1.0 + s_a.grip.2,
                        -2.0 + -s_a.grip.2 / 2.5
                            + s_a.grip.0 * -2.0
                            + move1abs * 6.0
                            + move2abs * -3.0,
                    );

                    next.control_l.orientation = Quaternion::rotation_x(PI / 2.0)
                        * Quaternion::rotation_y(-0.3)
                        * Quaternion::rotation_z(-0.3);
                    next.control_r.orientation =
                        Quaternion::rotation_x(PI / 2.0 + s_a.grip.0 * 0.2)
                            * Quaternion::rotation_y(-0.4 + s_a.grip.0 * 0.2)
                            * Quaternion::rotation_z(-0.0);

                    next.control.orientation =
                        Quaternion::rotation_x(-0.3 + move1abs * 1.0 + move2abs * -2.0)
                            * Quaternion::rotation_y(0.0)
                            * Quaternion::rotation_z(0.5);
                    next.chest.orientation =
                        Quaternion::rotation_x(move1abs * 0.5 + move2abs * -1.0)
                            * Quaternion::rotation_z(move1 * 1.2 + move2 * -1.8);
                    next.head.orientation = Quaternion::rotation_z(move1 * -0.8 + move2 * 0.8);
                },
            },
            _ => {
                next.chest.orientation = Quaternion::rotation_x(move2abs * -1.0)
                    * Quaternion::rotation_z(move1 * 1.2 + move2 * -1.8);
                next.hand_l.position = Vec3::new(-s_a.hand.0, s_a.hand.1, s_a.hand.2);
                next.hand_l.orientation = Quaternion::rotation_x(1.2);
                next.hand_r.position = Vec3::new(s_a.hand.0, s_a.hand.1, s_a.hand.2);
                next.hand_r.orientation = Quaternion::rotation_x(1.2);
            },
        }
        next
    }
}