// https://vampire-survivors.fandom.com/wiki/Enemies

use crate::game::Pos;
use crate::sprites;

pub struct EnemyType {
    pub speed: f32,
    pub size: f32,
    pub health: f32,
    pub power: f32,
    pub sprite: &'static sprites::Sprite,
}

pub struct Enemy {
    pub p: Pos,
    pub health: f32,
    pub t: &'static EnemyType,
}

const SNAKE: EnemyType = EnemyType {
    speed: 15.0,
    size: 8.0,
    health: 5.0,
    power: 5.0,
    sprite: &sprites::SNAKE,
};

const SKELETON: EnemyType = EnemyType {
    speed: 15.0,
    size: 9.0,
    health: 10.0,
    power: 10.0,
    sprite: &sprites::SKELETON,
};

const SKELETON2: EnemyType = EnemyType {
    speed: 15.0,
    size: 9.0,
    health: 20.0,
    power: 20.0,
    sprite: &sprites::SKELETON2,
};

const BAT: EnemyType = EnemyType {
    speed: 25.0,
    size: 8.0,
    health: 4.0,
    power: 4.0,
    sprite: &sprites::BAT,
};

const BAT2: EnemyType = EnemyType {
    speed: 25.0,
    size: 9.0,
    health: 30.0,
    power: 5.0,
    sprite: &sprites::BAT2,
};

const ZOMBIE: EnemyType = EnemyType {
    speed: 5.0,
    size: 9.0,
    health: 30.0,
    power: 20.0,
    sprite: &sprites::ZOMBIE,
};

const EYE: EnemyType = EnemyType {
    speed: 13.0,
    size: 7.0,
    health: 25.0,
    power: 25.0,
    sprite: &sprites::EYE,
};

const GHOST: EnemyType = EnemyType {
    speed: 18.0,
    size: 9.0,
    health: 30.0,
    power: 30.0,
    sprite: &sprites::GHOST,
};

const MUMMY: EnemyType = EnemyType {
    speed: 9.0,
    size: 9.0,
    health: 40.0,
    power: 30.0,
    sprite: &sprites::MUMMY,
};

const HOOD: EnemyType = EnemyType {
    speed: 18.0,
    size: 9.0,
    health: 40.0,
    power: 50.0,
    sprite: &sprites::HOOD,
};

const HOOD2: EnemyType = EnemyType {
    speed: 16.0,
    size: 9.0,
    health: 60.0,
    power: 70.0,
    sprite: &sprites::HOOD2,
};

const PLANTGUY: EnemyType = EnemyType {
    speed: 12.0,
    size: 9.0,
    health: 60.0,
    power: 40.0,
    sprite: &sprites::PLANTGUY,
};

const RADDISH: EnemyType = EnemyType {
    speed: 17.0,
    size: 9.0,
    health: 40.0,
    power: 60.0,
    sprite: &sprites::RADDISH,
};

const CRAWL: EnemyType = EnemyType {
    speed: 5.0,
    size: 9.0,
    health: 75.0,
    power: 50.0,
    sprite: &sprites::CRAWL,
};

const SHADOW: EnemyType = EnemyType {
    speed: 22.0,
    size: 9.0,
    health: 75.0,
    power: 75.0,
    sprite: &sprites::SHADOW,
};

pub fn get_wave(i: usize) -> Vec<(&'static EnemyType, f32)> {
    let waves = [
        vec![(&SNAKE, 2.0)],
        vec![(&SNAKE, 2.0), (&SKELETON, 2.0)],
        vec![(&SNAKE, 2.0), (&SKELETON, 2.0)],
        vec![(&BAT, 4.0)],
        vec![(&ZOMBIE, 4.0)],
        vec![(&ZOMBIE, 4.0)],
        vec![(&BAT, 2.0), (&SKELETON, 2.0)],
        vec![(&BAT, 2.0), (&SKELETON, 2.0)],
        vec![(&BAT, 2.0), (&EYE, 2.0)],
        vec![(&GHOST, 4.0)],
        vec![(&GHOST, 4.0)],
        vec![(&BAT2, 2.0), (&ZOMBIE, 2.0)],
        vec![(&BAT2, 2.0), (&ZOMBIE, 2.0)],
        vec![(&MUMMY, 2.0), (&ZOMBIE, 2.0)],
        vec![(&MUMMY, 2.0), (&ZOMBIE, 2.0)],
        vec![(&HOOD, 4.0)],
        vec![(&HOOD, 2.0), (&EYE, 2.0)],
        vec![(&BAT, 10.0)],
        vec![(&SNAKE, 2.0), (&PLANTGUY, 2.0)],
        vec![(&SNAKE, 2.0), (&PLANTGUY, 2.0)],
        vec![(&HOOD2, 4.0)],
        vec![(&HOOD2, 2.0), (&HOOD, 2.0)],
        vec![(&HOOD2, 4.0)],
        vec![(&GHOST, 8.0)],
        vec![(&SNAKE, 2.0), (&RADDISH, 2.0)],
        vec![(&RADDISH, 2.0), (&PLANTGUY, 2.0)],
        vec![(&SKELETON2, 2.0), (&CRAWL, 2.0)],
        vec![(&SKELETON2, 2.0), (&CRAWL, 2.0)],
        vec![(&CRAWL, 4.0)],
        vec![(&SHADOW, 3.0)],
        vec![(&SHADOW, 4.0), (&CRAWL, 8.0)],
        vec![(&SHADOW, 5.0)],
    ];

    return waves[(i / 100) % waves.len()].clone();
}