import Foundation
import Testing

@testable import Peered

@Suite
struct NoteMessageCodableTests {
  @Test
  func encodesToJSON() throws {
    let message = NoteMessage(senderID: "host", content: "Content")
    let data = try JSONEncoder().encode(message)
    let json = try #require(try? JSONSerialization.jsonObject(with: data) as? [String: String])

    #expect(json["senderID"] == "host")
    #expect(json["content"] == "Content")
  }

  @Test
  func decodesFromJSON() throws {
    let json = #"{"senderID":"host","content":"contentt"}"#
    let data = try #require(json.data(using: .utf8))
    let message = try JSONDecoder().decode(NoteMessage.self, from: data)

    #expect(message.senderID == "host")
    #expect(message.content == "contentt")
  }

  @Test("encode → decode")
  func coding() throws {
    let original = NoteMessage(senderID: "host", content: "coding test")
    let data = try JSONEncoder().encode(original)
    let decoded = try JSONDecoder().decode(NoteMessage.self, from: data)

    #expect(decoded.senderID == original.senderID)
    #expect(decoded.content == original.content)
  }
}