use sea_orm_migration::prelude::*;

use super::m20260317_000001_create_artists::Artists;
use super::m20260317_000002_create_albums::Albums;
use super::m20260317_000003_create_tracks::Tracks;

#[derive(DeriveMigrationName)]
pub struct Migration;

#[async_trait::async_trait]
impl MigrationTrait for Migration {
    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
        manager
            .create_table(
                Table::create()
                    .table(WantedItems::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(WantedItems::Id)
                            .integer()
                            .not_null()
                            .auto_increment()
                            .primary_key(),
                    )
                    .col(ColumnDef::new(WantedItems::ItemType).text().not_null())
                    .col(ColumnDef::new(WantedItems::ArtistId).integer())
                    .col(ColumnDef::new(WantedItems::AlbumId).integer())
                    .col(ColumnDef::new(WantedItems::TrackId).integer())
                    .col(
                        ColumnDef::new(WantedItems::Status)
                            .text()
                            .not_null()
                            .default("wanted"),
                    )
                    .col(
                        ColumnDef::new(WantedItems::AddedAt)
                            .date_time()
                            .not_null()
                            .default(Expr::current_timestamp()),
                    )
                    .col(
                        ColumnDef::new(WantedItems::UpdatedAt)
                            .date_time()
                            .not_null()
                            .default(Expr::current_timestamp()),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_wanted_artist_id")
                            .from(WantedItems::Table, WantedItems::ArtistId)
                            .to(Artists::Table, Artists::Id)
                            .on_delete(ForeignKeyAction::Cascade),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_wanted_album_id")
                            .from(WantedItems::Table, WantedItems::AlbumId)
                            .to(Albums::Table, Albums::Id)
                            .on_delete(ForeignKeyAction::Cascade),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_wanted_track_id")
                            .from(WantedItems::Table, WantedItems::TrackId)
                            .to(Tracks::Table, Tracks::Id)
                            .on_delete(ForeignKeyAction::Cascade),
                    )
                    .to_owned(),
            )
            .await?;

        manager
            .create_index(
                Index::create()
                    .name("idx_wanted_items_status")
                    .table(WantedItems::Table)
                    .col(WantedItems::Status)
                    .to_owned(),
            )
            .await?;

        Ok(())
    }

    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
        manager
            .drop_table(Table::drop().table(WantedItems::Table).to_owned())
            .await
    }
}

#[derive(DeriveIden)]
pub(crate) enum WantedItems {
    Table,
    Id,
    ItemType,
    ArtistId,
    AlbumId,
    TrackId,
    Status,
    AddedAt,
    UpdatedAt,
}