use sea_orm_migration::prelude::*;

#[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(MediaFolder::Table)
                    .col(
                        ColumnDef::new(MediaFolder::Id)
                            .uuid()
                            .not_null()
                            .primary_key(),
                    )
                    .col(ColumnDef::new(MediaFolder::TenantId).uuid().not_null())
                    .col(ColumnDef::new(MediaFolder::Name).string_len(100).not_null())
                    .col(ColumnDef::new(MediaFolder::ParentId).uuid().null())
                    .col(
                        ColumnDef::new(MediaFolder::SortOrder)
                            .integer()
                            .not_null()
                            .default(0),
                    )
                    .col(
                        ColumnDef::new(MediaFolder::CreatedAt)
                            .timestamp_with_time_zone()
                            .not_null()
                            .default(Expr::current_timestamp()),
                    )
                    .col(
                        ColumnDef::new(MediaFolder::UpdatedAt)
                            .timestamp_with_time_zone()
                            .not_null()
                            .default(Expr::current_timestamp()),
                    )
                    .col(ColumnDef::new(MediaFolder::CreatedBy).uuid().null())
                    .col(ColumnDef::new(MediaFolder::UpdatedBy).uuid().null())
                    .col(
                        ColumnDef::new(MediaFolder::DeletedAt)
                            .timestamp_with_time_zone()
                            .null(),
                    )
                    .col(
                        ColumnDef::new(MediaFolder::Version)
                            .integer()
                            .not_null()
                            .default(1),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_media_folder_parent")
                            .from(MediaFolder::Table, MediaFolder::ParentId)
                            .to(MediaFolder::Table, MediaFolder::Id)
                            .on_delete(ForeignKeyAction::Cascade),
                    )
                    .to_owned(),
            )
            .await?;

        manager
            .create_index(
                Index::create()
                    .name("idx_media_folder_tenant_parent")
                    .table(MediaFolder::Table)
                    .col(MediaFolder::TenantId)
                    .col(MediaFolder::ParentId)
                    .to_owned(),
            )
            .await?;

        Ok(())
    }

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

#[derive(DeriveIden)]
enum MediaFolder {
    Table,
    Id,
    TenantId,
    Name,
    ParentId,
    SortOrder,
    CreatedAt,
    UpdatedAt,
    CreatedBy,
    UpdatedBy,
    DeletedAt,
    Version,
}