use bevy::ecs::entity::MapEntities;
use bevy::prelude::*;
use serde::{Deserialize, Serialize};

#[derive(Component, Serialize, Deserialize)]
/// The primary component for a ship structure
pub struct Ship;

#[derive(Component, Serialize, Deserialize, MapEntities)]
#[relationship_target(relationship = PartInShip, linked_spawn)]
pub struct Parts(#[entities] Vec<Entity>);

#[derive(Component, Serialize, Deserialize, MapEntities)]
#[relationship(relationship_target = Parts)]
pub struct PartInShip(#[entities] pub Entity);

#[derive(Component, Serialize, Deserialize)]
#[require(Transform)]
pub struct Joint {
    pub id: JointId,
    pub transform: Transform,
}
#[derive(Component, Serialize, Deserialize, MapEntities)]
pub struct Peer(#[entities] Entity);

#[derive(Component, Serialize, Deserialize, MapEntities)]
#[relationship(relationship_target = Joints)]
pub struct JointOf(#[entities] pub Entity);
#[derive(Component, Serialize, Deserialize, MapEntities)]
#[relationship_target(relationship = JointOf)]
pub struct Joints(#[entities] Vec<Entity>);
#[derive(Component, Serialize, Deserialize, MapEntities)]
#[relationship(relationship_target = Snaps)]
pub struct SnapOf(#[entities] pub Entity);
#[derive(Component, Serialize, Deserialize, MapEntities)]
#[relationship_target(relationship = SnapOf)]
pub struct Snaps(#[entities] Vec<Entity>);

#[derive(Serialize, Deserialize)]
pub struct JointId(pub String);
impl JointId {
    #[must_use] pub fn from_part_and_joint_id(part: String, joint: String) -> Self {
        Self(format!("{part}:{joint}"))
    }
}

#[derive(Serialize, Deserialize, Component, MapEntities)]
pub struct SnapOfJoint(#[entities] pub Entity);