// import Dependencies
// import DependenciesMacros
// import Fluent
// import Vapor
//
// public extension DependencyValues {
//   var vendorBranches: VendorBranchDB {
//     get { self[VendorBranchDB.self] }
//     set { self[VendorBranchDB.self] = newValue }
//   }
// }
//
// @DependencyClient
// public struct VendorBranchDB: Sendable {
//   var create: @Sendable (VendorBranch.Create, Vendor.IDValue) async throws -> VendorBranch.DTO
//   var delete: @Sendable (VendorBranch.IDValue) async throws -> Void
//   var fetchAll: @Sendable (FetchRequest) async throws -> [VendorBranch.DTO]
//   var get: @Sendable (VendorBranch.IDValue) async throws -> VendorBranch.DTO?
//   var update: @Sendable (VendorBranch.IDValue, VendorBranch.Update) async throws -> VendorBranch.DTO
//
//   enum FetchRequest: Equatable {
//     case `default`
//     case `for`(vendorID: Vendor.IDValue)
//     case withVendor
//   }
//
//   func fetchAll() async throws -> [VendorBranch.DTO] {
//     try await fetchAll(.default)
//   }
// }
//
// extension VendorBranchDB: TestDependencyKey {
//   public static let testValue: VendorBranchDB = Self()
//
//   static func live(database db: any Database) -> Self {
//     .init(
//       create: { model, vendorID in
//         let branch = model.toModel()
//         guard let vendor = try await Vendor.find(vendorID, on: db) else {
//           throw Abort(.badRequest, reason: "Vendor does not exist.")
//         }
//         try await vendor.$branches.create(branch, on: db)
//         return branch.toDTO()
//       },
//       delete: { id in
//         guard let branch = try await VendorBranch.find(id, on: db) else {
//           throw Abort(.notFound)
//         }
//         try await branch.delete(on: db)
//       },
//       fetchAll: { request in
//         var query = VendorBranch.query(on: db)
//         switch request {
//         case .withVendor:
//           query = query.with(\.$vendor)
//
//         case let .for(vendorID: vendorID):
//           let branches = try await Vendor.query(on: db)
//             .filter(\.$id == vendorID)
//             .with(\.$branches)
//             .first()?
//             .branches
//             .map { $0.toDTO() }
//
//           guard let branches else { throw Abort(.badGateway, reason: "Vendor id not found.") }
//           return branches
//
//         case .default:
//           break
//         }
//         return try await query.all().map { $0.toDTO() }
//
//       },
//       get: { id in
//         try await VendorBranch.find(id, on: db).map { $0.toDTO() }
//       },
//       update: { id, updates in
//         guard let branch = try await VendorBranch.find(id, on: db) else {
//           throw Abort(.notFound)
//         }
//         branch.applyUpdates(updates)
//         try await branch.save(on: db)
//         return branch.toDTO()
//       }
//     )
//   }
// }