import XCTest
@testable import RastrilloApple

final class NativeAccountsTests: XCTestCase {
  @MainActor func testChangingSavedOriginCannotRedirectCredential() throws {
    let suite = "OficinaAccountsTest.\(UUID().uuidString)"
    let defaults = try XCTUnwrap(UserDefaults(suiteName: suite))
    defer { defaults.removePersistentDomain(forName: suite) }
    let original = NativeAccount(id: UUID().uuidString, origin: URL(string: "https://trusted.test")!, name: "Work")
    try NativeCredentials.save(NativeSession(name: "__Host-rastrillo_session", value: "secret"), origin: original.credentialKey)
    defer { NativeCredentials.remove(original.credentialKey) }
    for origin in ["https://other.test", "http://trusted.test", "https://trusted.test/path"] {
      let modified = NativeAccount(id: original.id, origin: URL(string: origin)!, name: original.name)
      defaults.set(try JSONEncoder().encode([modified]), forKey: "native.accounts")
      defaults.set(original.id, forKey: "native.activeAccount")
      let connection = NativeConnection(defaultServer: "https://trusted.test", defaults: defaults)
      XCTAssertNil(connection.client)
      XCTAssertNil(connection.activeAccountID)
    }
  }

  @MainActor func testBackPreservesSessionsAndRestoresMostRecentAccount() throws {
    let suite = "OficinaAccountsTest.\(UUID().uuidString)"
    let defaults = try XCTUnwrap(UserDefaults(suiteName: suite))
    defer { defaults.removePersistentDomain(forName: suite) }
    let origin = URL(string: "https://trusted.test")!
    let first = NativeAccount(id: UUID().uuidString, origin: origin, name: "Work")
    let second = NativeAccount(id: UUID().uuidString, origin: origin, name: "Personal")
    for (account, token) in [(first,"first"), (second,"second")] {
      try NativeCredentials.save(NativeSession(name: "__Host-rastrillo_session", value: token), origin: account.credentialKey)
    }
    defer { for account in [first,second] { NativeCredentials.remove(account.credentialKey) } }
    defaults.set(try JSONEncoder().encode([first,second]), forKey: "native.accounts")
    let connection = NativeConnection(defaultServer: origin.absoluteString, defaults: defaults)
    connection.selectAccount(second)
    XCTAssertEqual(connection.client?.credential?.value, "second")
    connection.showAccounts()
    XCTAssertNil(connection.client)
    XCTAssertEqual(connection.accounts.count, 2)
    let restored = NativeConnection(defaultServer: origin.absoluteString, defaults: defaults)
    XCTAssertEqual(restored.activeAccountID, second.id)
    XCTAssertEqual(restored.client?.credential?.value, "second")
    restored.selectAccount(first)
    XCTAssertEqual(restored.client?.credential?.value, "first")
  }
}