use super::{
    super::{Animation, SkeletonAttr},
    CharacterSkeleton,
};
use common::comp::item::ToolKind;
use std::f32::consts::PI;
use vek::*;

pub struct Input {
    pub attack: bool,
}
pub struct AttackAnimation;

impl Animation for AttackAnimation {
    type Skeleton = CharacterSkeleton;
    type Dependency = (Option<ToolKind>, f64);

    fn update_skeleton(
        skeleton: &Self::Skeleton,
        (_active_tool_kind, _global_time): Self::Dependency,
        anim_time: f64,
        _rate: &mut f32,
        skeleton_attr: &SkeletonAttr,
    ) -> Self::Skeleton {
        let mut next = (*skeleton).clone();

        let wave_quicken = 1.0 - (anim_time as f32 * 16.0).cos();
        let wave_quicken_slow = 1.0 - (anim_time as f32 * 12.0).cos();
        let wave_quicken_double = 1.0 - (anim_time as f32 * 24.0).cos();
        let wave_stop_quick = (anim_time as f32 * 16.0).min(PI / 2.0).sin();

        next.head.offset = Vec3::new(
            0.0 + skeleton_attr.neck_right,
            -2.0 + skeleton_attr.neck_forward,
            skeleton_attr.neck_height + 21.0,
        );
        next.head.ori = Quaternion::rotation_z(wave_stop_quick * -0.25)
            * Quaternion::rotation_x(0.0 + wave_stop_quick * -0.1)
            * Quaternion::rotation_y(wave_stop_quick * 0.1);
        next.head.scale = Vec3::one() * skeleton_attr.head_scale;

        next.chest.offset = Vec3::new(0.0, 0.0, 7.0);
        next.chest.ori = Quaternion::rotation_x(0.0);
        next.chest.scale = Vec3::one();

        next.belt.offset = Vec3::new(0.0, 0.0, 5.0);
        next.belt.ori = Quaternion::rotation_x(0.0);
        next.belt.scale = Vec3::one();

        next.shorts.offset = Vec3::new(0.0, 0.0, 2.0);
        next.shorts.ori = Quaternion::rotation_x(0.0);
        next.shorts.scale = Vec3::one();

        next.l_hand.offset = Vec3::new(
            -8.0 + wave_quicken_slow * 10.0,
            8.0 + wave_quicken_double * 3.0,
            0.0,
        );
        next.l_hand.ori = Quaternion::rotation_z(-0.8)
            * Quaternion::rotation_x(0.0 + wave_quicken * -0.8)
            * Quaternion::rotation_y(0.0 + wave_quicken * -0.4);
        next.l_hand.scale = Vec3::one() * 1.01;

        next.r_hand.offset = Vec3::new(
            -8.0 + wave_quicken_slow * 10.0,
            8.0 + wave_quicken_double * 3.0,
            -2.0,
        );
        next.r_hand.ori = Quaternion::rotation_z(-0.8)
            * Quaternion::rotation_x(0.0 + wave_quicken * -0.8)
            * Quaternion::rotation_y(0.0 + wave_quicken * -0.4);
        next.r_hand.scale = Vec3::one() * 1.01;

        //next.l_foot.offset = Vec3::new(
        //    -3.4,
        //    -0.1 + wave_stop_quick * 2.0,
        //    8.0 + wave_stop_quick * -4.0,
        //);
        //next.l_foot.ori = Quaternion::rotation_x(wave_stop_quick * -1.2);
        //next.l_foot.scale = Vec3::one();

        //next.r_foot.offset = Vec3::new(
        //    3.4,
        //    -0.1 - wave_stop_quick * -2.0,
        //    8.0 + wave_stop_quick * -2.0,
        //);
        //next.r_foot.ori = Quaternion::rotation_x(wave_stop_quick * 1.2);
        //next.r_foot.scale = Vec3::one();

        next.main.offset = Vec3::new(
            -8.0 + wave_quicken_slow * 10.0 + skeleton_attr.weapon_x,
            8.0 + wave_quicken_double * 3.0,
            0.0,
        );
        next.main.ori = Quaternion::rotation_z(-0.8)
            * Quaternion::rotation_x(0.0 + wave_quicken * -0.8)
            * Quaternion::rotation_y(0.0 + wave_quicken * -0.4);
        next.main.scale = Vec3::one();

        next.l_shoulder.offset = Vec3::new(-5.0, 0.0, 4.7);
        next.l_shoulder.ori = Quaternion::rotation_x(0.0);
        next.l_shoulder.scale = Vec3::one() * 1.1;

        next.r_shoulder.offset = Vec3::new(5.0, 0.0, 4.7);
        next.r_shoulder.ori = Quaternion::rotation_x(0.0);
        next.r_shoulder.scale = Vec3::one() * 1.1;

        next.glider.offset = Vec3::new(0.0, 5.0, 0.0);
        next.glider.ori = Quaternion::rotation_y(0.0);
        next.glider.scale = Vec3::one() * 0.0;

        next.lantern.offset = Vec3::new(0.0, 0.0, 0.0);
        next.lantern.ori = Quaternion::rotation_x(0.0);
        next.lantern.scale = Vec3::one() * 0.0;

        next.torso.offset = Vec3::new(0.0, -0.2, 0.1) * skeleton_attr.scaler;
        next.torso.ori = Quaternion::rotation_z(wave_stop_quick * -0.2)
            * Quaternion::rotation_x(0.0 + wave_stop_quick * -0.2)
            * Quaternion::rotation_y(wave_stop_quick * 0.2);
        next.torso.scale = Vec3::one() / 11.0 * skeleton_attr.scaler;
        next
    }
}