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(Tokens::Table)
                    .if_not_exists()
                    .col(ColumnDef::new(Tokens::Id).uuid().not_null().primary_key())
                    .col(ColumnDef::new(Tokens::TenantId).uuid().not_null())
                    .col(ColumnDef::new(Tokens::InstanceId).uuid().not_null())
                    .col(ColumnDef::new(Tokens::NodeId).string().not_null())
                    .col(
                        ColumnDef::new(Tokens::Status)
                            .string()
                            .not_null()
                            .default("active"),
                    )
                    .col(
                        ColumnDef::new(Tokens::CreatedAt)
                            .timestamp_with_time_zone()
                            .not_null()
                            .default(Expr::current_timestamp()),
                    )
                    .col(
                        ColumnDef::new(Tokens::ConsumedAt)
                            .timestamp_with_time_zone()
                            .null(),
                    )
                    .to_owned(),
            )
            .await?;

        manager
            .create_index(
                Index::create()
                    .name("idx_tokens_instance")
                    .table(Tokens::Table)
                    .col(Tokens::InstanceId)
                    .to_owned(),
            )
            .await?;

        manager
            .create_foreign_key(
                ForeignKey::create()
                    .name("fk_tokens_instance")
                    .from(Tokens::Table, Tokens::InstanceId)
                    .to(ProcessInstances::Table, ProcessInstances::Id)
                    .to_owned(),
            )
            .await?;

        Ok(())
    }

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

#[derive(DeriveIden)]
enum Tokens {
    Table,
    Id,
    TenantId,
    InstanceId,
    NodeId,
    Status,
    CreatedAt,
    ConsumedAt,
}

#[derive(DeriveIden)]
enum ProcessInstances {
    Table,
    Id,
}