use crate as sea_orm;
use crate::entity::prelude::*;

#[derive(Copy, Clone, Default, Debug, DeriveEntity)]
pub struct Entity;

impl EntityName for Entity {
    fn table_name(&self) -> &str {
        "cake"
    }
}

#[derive(Clone, Debug, PartialEq, Eq, DeriveModel, DeriveActiveModel)]
pub struct Model {
    pub id: i32,
    pub name: String,
}

#[derive(Copy, Clone, Debug, EnumIter, DeriveColumn)]
pub enum Column {
    Id,
    Name,
}

#[derive(Copy, Clone, Debug, EnumIter, DerivePrimaryKey)]
pub enum PrimaryKey {
    Id,
}

impl PrimaryKeyTrait for PrimaryKey {
    type ValueType = i32;

    fn auto_increment() -> bool {
        true
    }
}

#[derive(Copy, Clone, Debug, EnumIter)]
pub enum Relation {
    Fruit,
}

impl ColumnTrait for Column {
    type EntityName = Entity;

    fn def(&self) -> ColumnDef {
        match self {
            Self::Id => ColumnType::Integer.def(),
            Self::Name => ColumnType::String(None).def(),
        }
    }
}

impl RelationTrait for Relation {
    fn def(&self) -> RelationDef {
        match self {
            Self::Fruit => Entity::has_many(super::fruit::Entity).into(),
        }
    }
}

impl Related<super::fruit::Entity> for Entity {
    fn to() -> RelationDef {
        Relation::Fruit.def()
    }
}

impl Related<super::filling::Entity> for Entity {
    fn to() -> RelationDef {
        super::cake_filling::Relation::Filling.def()
    }

    fn via() -> Option<RelationDef> {
        Some(super::cake_filling::Relation::Cake.def().rev())
    }
}

impl ActiveModelBehavior for ActiveModel {}
