import FluentKit

/// A Fluent database that is not an `SQLDatabase`, so the probe's downcast fails.
///
/// Every query succeeds, proving the probe reports "not reachable" because of the failed downcast
/// rather than a failing backend.
struct NotSQLDatabase: Database {

    let context: DatabaseContext

    var inTransaction: Bool { false }

    func execute(
        query: DatabaseQuery,
        onOutput: @escaping @Sendable (any DatabaseOutput) -> Void
    ) -> EventLoopFuture<Void> {
        context.eventLoop.makeSucceededVoidFuture()
    }

    func execute(
        schema: DatabaseSchema
    ) -> EventLoopFuture<Void> {
        context.eventLoop.makeSucceededVoidFuture()
    }

    func execute(
        enum: DatabaseEnum
    ) -> EventLoopFuture<Void> {
        context.eventLoop.makeSucceededVoidFuture()
    }

    func transaction<T>(
        _ closure: @escaping @Sendable (any Database) -> EventLoopFuture<T>
    ) -> EventLoopFuture<T> {
        closure(self)
    }

    func withConnection<T>(
        _ closure: @escaping @Sendable (any Database) -> EventLoopFuture<T>
    ) -> EventLoopFuture<T> {
        closure(self)
    }

}