use sea_orm::{EnumIter, Iterable};
use sea_orm_migration::prelude::*;

use crate::{create_enum, drop_enum};

#[derive(DeriveMigrationName)]
pub struct Migration;

#[async_trait::async_trait]
impl MigrationTrait for Migration {
    async fn up(&self, m: &SchemaManager) -> Result<(), DbErr> {
        create_enum::<ParkingSpaceState>(m).await?;
        create_enum::<Side>(m).await?;

        m.create_table(
            Table::create()
                .table(ParkingSpace::ParkingSpaces)
                .if_not_exists()
                .col(
                    ColumnDef::new(ParkingSpace::Id)
                        .integer()
                        .not_null()
                        .auto_increment()
                        .primary_key(),
                )
                .col(
                    ColumnDef::new(ParkingSpace::State)
                        .enumeration(
                            ParkingSpaceState::ParkingSpaceState,
                            ParkingSpaceState::iter().skip(1),
                        )
                        .default(ParkingSpaceState::Pending.to_string())
                        .not_null(),
                )
                .col(
                    ColumnDef::new(ParkingSpace::CreatedAt)
                        .timestamp()
                        .default(SimpleExpr::Custom("NOW()".to_owned()))
                        .not_null(),
                )
                .col(
                    ColumnDef::new(ParkingSpace::UpdatedAt)
                        .timestamp()
                        .default(SimpleExpr::Custom("NOW()".to_owned()))
                        .not_null(),
                )
                .if_not_exists()
                .to_owned(),
        )
        .await?;

        m.create_table(
            Table::create()
                .table(ParkingSpaceRent::ParkingSpaceRents)
                .if_not_exists()
                .col(
                    ColumnDef::new(ParkingSpaceRent::Id)
                        .integer()
                        .not_null()
                        .auto_increment()
                        .primary_key(),
                )
                .col(ColumnDef::new(ParkingSpaceRent::Price).integer().not_null())
                .col(
                    ColumnDef::new(ParkingSpaceRent::CreatedAt)
                        .timestamp()
                        .default(SimpleExpr::Custom("NOW()".to_owned()))
                        .not_null(),
                )
                .col(
                    ColumnDef::new(ParkingSpaceRent::UpdatedAt)
                        .timestamp()
                        .default(SimpleExpr::Custom("NOW()".to_owned()))
                        .not_null(),
                )
                .if_not_exists()
                .to_owned(),
        )
        .await?;

        Ok(())
    }

    async fn down(&self, m: &SchemaManager) -> Result<(), DbErr> {
        m.drop_table(
            Table::drop()
                .table(ParkingSpaceRent::ParkingSpaceRents)
                .to_owned(),
        )
        .await?;

        m.drop_table(Table::drop().table(ParkingSpace::ParkingSpaces).to_owned())
            .await?;

        drop_enum::<Side>(m).await?;
        drop_enum::<ParkingSpaceState>(m).await?;
        Ok(())
    }
}

#[derive(Iden)]
enum ParkingSpace {
    ParkingSpaces,
    Id,
    State,
    Location,
    AccountId,
    CreatedAt,
    UpdatedAt,
}

#[derive(Iden)]
enum ParkingSpaceRent {
    ParkingSpaceRents,
    Id,
    Price,
    CreatedAt,
    UpdatedAt,
}

#[derive(Iden, EnumIter)]
pub enum ParkingSpaceState {
    ParkingSpaceState,
    #[iden(rename = "Pending")]
    Pending,
    #[iden(rename = "Verified")]
    Verified,
    #[iden(rename = "Banned")]
    Banned,
}

#[derive(Iden, EnumIter)]
pub enum Side {
    Side,
    #[iden(rename = "Left")]
    Left,
    #[iden(rename = "Right")]
    Right,
    #[iden(rename = "Front")]
    Front,
}