use sea_orm_migration::prelude::*;

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

#[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(Tracks::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(Tracks::Id)
                            .integer()
                            .not_null()
                            .auto_increment()
                            .primary_key(),
                    )
                    .col(
                        ColumnDef::new(Tracks::FilePath)
                            .text()
                            .not_null()
                            .unique_key(),
                    )
                    .col(ColumnDef::new(Tracks::Title).text())
                    .col(ColumnDef::new(Tracks::Artist).text())
                    .col(ColumnDef::new(Tracks::Album).text())
                    .col(ColumnDef::new(Tracks::AlbumArtist).text())
                    .col(ColumnDef::new(Tracks::TrackNumber).integer())
                    .col(ColumnDef::new(Tracks::DiscNumber).integer())
                    .col(ColumnDef::new(Tracks::Duration).double())
                    .col(ColumnDef::new(Tracks::Genre).text())
                    .col(ColumnDef::new(Tracks::Year).integer())
                    .col(ColumnDef::new(Tracks::Codec).text())
                    .col(ColumnDef::new(Tracks::Bitrate).integer())
                    .col(ColumnDef::new(Tracks::FileSize).big_integer().not_null())
                    .col(ColumnDef::new(Tracks::Fingerprint).text())
                    .col(ColumnDef::new(Tracks::MusicbrainzId).text())
                    .col(ColumnDef::new(Tracks::ArtistId).integer())
                    .col(ColumnDef::new(Tracks::AlbumId).integer())
                    .col(ColumnDef::new(Tracks::FileMtime).date_time())
                    .col(
                        ColumnDef::new(Tracks::AddedAt)
                            .date_time()
                            .not_null()
                            .default(Expr::current_timestamp()),
                    )
                    .col(
                        ColumnDef::new(Tracks::UpdatedAt)
                            .date_time()
                            .not_null()
                            .default(Expr::current_timestamp()),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_tracks_artist_id")
                            .from(Tracks::Table, Tracks::ArtistId)
                            .to(Artists::Table, Artists::Id)
                            .on_delete(ForeignKeyAction::SetNull),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_tracks_album_id")
                            .from(Tracks::Table, Tracks::AlbumId)
                            .to(Albums::Table, Albums::Id)
                            .on_delete(ForeignKeyAction::SetNull),
                    )
                    .to_owned(),
            )
            .await?;

        manager
            .create_index(
                Index::create()
                    .name("idx_tracks_artist_id")
                    .table(Tracks::Table)
                    .col(Tracks::ArtistId)
                    .to_owned(),
            )
            .await?;

        manager
            .create_index(
                Index::create()
                    .name("idx_tracks_album_id")
                    .table(Tracks::Table)
                    .col(Tracks::AlbumId)
                    .to_owned(),
            )
            .await?;

        manager
            .create_index(
                Index::create()
                    .name("idx_tracks_title")
                    .table(Tracks::Table)
                    .col(Tracks::Title)
                    .to_owned(),
            )
            .await?;

        manager
            .create_index(
                Index::create()
                    .name("idx_tracks_artist")
                    .table(Tracks::Table)
                    .col(Tracks::Artist)
                    .to_owned(),
            )
            .await?;

        Ok(())
    }

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

#[derive(DeriveIden)]
pub(crate) enum Tracks {
    Table,
    Id,
    FilePath,
    Title,
    Artist,
    Album,
    AlbumArtist,
    TrackNumber,
    DiscNumber,
    Duration,
    Genre,
    Year,
    Codec,
    Bitrate,
    FileSize,
    Fingerprint,
    MusicbrainzId,
    ArtistId,
    AlbumId,
    FileMtime,
    AddedAt,
    UpdatedAt,
}