import Dependencies
import DependenciesMacros
import SharedModels

public extension DatabaseClient {
  @DependencyClient
  struct Vendors: Sendable {
    public var create: @Sendable (Vendor.Create) async throws -> Vendor
    public var delete: @Sendable (Vendor.ID) async throws -> Void
    public var fetchAll: @Sendable (FetchRequest) async throws -> [Vendor]
    public var get: @Sendable (Vendor.ID, GetRequest) async throws -> Vendor?
    public var update: @Sendable (Vendor.ID, Vendor.Update) async throws -> Vendor

    public enum FetchRequest {
      case all
      case withBranches
    }

    public enum GetRequest {
      case all
      case withBranches
    }

    public func fetchAll() async throws -> [Vendor] {
      try await fetchAll(.all)
    }

    public func get(_ id: Vendor.ID) async throws -> Vendor? {
      try await get(id, .all)
    }
  }
}

extension DatabaseClient.Vendors: TestDependencyKey {
  public static let testValue: DatabaseClient.Vendors = Self()
}

public extension Vendor {

  struct Create: Codable, Sendable {
    public let name: String

    public init(name: String) {
      self.name = name
    }
  }

  struct Update: Codable, Sendable {
    public let name: String?

    public init(name: String?) {
      self.name = name
    }
  }
}