use std::fmt;

use crate::entity::{Entity, Location};

#[derive(Clone)]
pub enum ItemType {
    Weapon(Weapon),
    Armor(Armor),
}

#[derive(Clone)]
pub struct Item {
    pub entity: Entity,
    pub name: String,
    pub item_type: ItemType,
}

#[derive(Clone)]
pub struct Weapon {
    pub damage_base: u32,
    pub damage_dice: u32,
    pub damage_sides: u32,
}

#[derive(Clone)]
pub struct Armor {
    pub armor_class: u32,
}
pub struct ItemGenerator;

impl ItemGenerator {
    pub fn generate_item() -> Item {
        Item {
            entity: Entity { id: 0, loc: Location{ x: 0, y: 0 } },
            name: "Sword".to_string(),
            item_type: ItemType::Weapon(Weapon {
                damage_base: 0,
                damage_dice: 1,
                damage_sides: 6,
            }),
        }
    }
}

impl fmt::Display for ItemType {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        match self {
            ItemType::Weapon(weapon) => write!(f, "Weapon: {}d{}+{}", weapon.damage_dice, weapon.damage_sides, weapon.damage_base),
            ItemType::Armor(armor) => write!(f, "Armor: {}", armor.armor_class),
        }
    }
}