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(Upstreams::Table)
                    .if_not_exists()
                    .col(
                        ColumnDef::new(Upstreams::Id)
                            .uuid()
                            .not_null()
                            .primary_key(),
                    )
                    .col(
                        ColumnDef::new(Upstreams::WorkspaceId)
                            .uuid()
                            .not_null(),
                    )
                    .col(ColumnDef::new(Upstreams::Name).string().not_null())
                    .col(
                        ColumnDef::new(Upstreams::Algorithm)
                            .string()
                            .not_null(),
                    )
                    .col(ColumnDef::new(Upstreams::Servers).json())
                    .col(ColumnDef::new(Upstreams::HealthCheck).json())
                    .col(ColumnDef::new(Upstreams::KeepaliveConnections).integer())
                    .col(ColumnDef::new(Upstreams::KeepaliveTimeout).integer())
                    .col(
                        ColumnDef::new(Upstreams::CreatedAt)
                            .timestamp_with_time_zone()
                            .not_null(),
                    )
                    .col(
                        ColumnDef::new(Upstreams::UpdatedAt)
                            .timestamp_with_time_zone()
                            .not_null(),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_upstream_workspace")
                            .from(Upstreams::Table, Upstreams::WorkspaceId)
                            .to(Workspaces::Table, Workspaces::Id)
                            .on_delete(ForeignKeyAction::Cascade),
                    )
                    .to_owned(),
            )
            .await
    }

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

#[derive(DeriveIden)]
enum Upstreams {
    Table,
    Id,
    WorkspaceId,
    Name,
    Algorithm,
    Servers,
    HealthCheck,
    KeepaliveConnections,
    KeepaliveTimeout,
    CreatedAt,
    UpdatedAt,
}

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