use std::collections::HashMap;

use godot::{
    classes::{AudioStream, AudioStreamPlayer3D, GpuParticles3D},
    prelude::*,
};

#[derive(Debug, Clone, Copy, GodotConvert, Export, Var, Default, PartialEq, PartialOrd, Eq)]
#[godot(via = GString)]
pub enum FootstepKind {
    #[default]
    Normal,
    Sand,
    Bone,
    Grass,
    Gravel,
    Metal,
    Grate,
    Tile,
    Water,
    Wood,
}

#[derive(GodotClass)]
#[class(base=Node3D, init)]
pub struct PlayerEffects {
    #[export]
    splorch: Option<Gd<GpuParticles3D>>,
    #[export]
    hit_sound: Option<Gd<AudioStreamPlayer3D>>,
    #[export]
    walk_sound: Option<Gd<AudioStreamPlayer3D>>,
    #[export]
    footstep_kind: FootstepKind,
    #[export]
    footstep_sounds: Dictionary<FootstepKind, Option<Gd<AudioStream>>>,
    #[export]
    walk_sfx_cd: f64,

    walk_sfx_cd_remaining: f64,

    base: Base<Node3D>,
}

#[godot_api]
impl INode3D for PlayerEffects {
    fn process(&mut self, delta: f64) {
        self.walk_sfx_cd_remaining -= delta;
    }
}

impl PlayerEffects {
    pub fn death(&mut self) {
        if let Some(splorch) = &mut self.splorch {
            splorch.set_emitting(true);
        }
        if let Some(sfx) = &mut self.hit_sound {
            sfx.play();
        }
    }

    pub fn hit(&mut self) {
        if let Some(sfx) = &mut self.hit_sound {
            sfx.play();
        }
    }

    pub fn walk(&mut self) {
        if self.walk_sfx_cd_remaining > 0. {
            return;
        }
        if let Some(walk) = &mut self.walk_sound {
            walk.play();
        }
        self.walk_sfx_cd_remaining = self.walk_sfx_cd;
    }

    pub fn jump(&mut self) {
        if let Some(walk) = &mut self.walk_sound {
            walk.play();
        }
        self.walk_sfx_cd_remaining = 0.;
    }

    pub fn change_walk_kind(&mut self, kind: FootstepKind) {
        if self.footstep_kind == kind {
            return;
        }
        self.footstep_kind = kind;
        if let Some(Some(sound)) = self.footstep_sounds.get(kind)
            && let Some(sfx) = &mut self.walk_sound
        {
            sfx.set_stream(&sound);
        }
    }
}