//  Copyright (c) 2022 650 Industries, Inc. All rights reserved.

import ExpoModulesTestCore

@testable import EXUpdates

@available(macOS 12.0, iOS 15.0, watchOS 8.0, tvOS 15.0, *)
class UpdatesLoggerSpec : ExpoSpec {
  override class func spec() {
    it("basic logging works") {
      let logger = UpdatesLogger()
      let logReader = UpdatesLogReader()

      // Mark the date
      let epoch = Date()

      // Write a log message
      logger.error(message: "Test message", code: .noUpdatesAvailable)

      // Write another log message
      logger.warn(message: "Warning message", code: .assetsFailedToLoad, updateId: "myUpdateId", assetId: "myAssetId")

      RunLoop.current.run(until: Date().addingTimeInterval(1))

      // Use reader to retrieve messages
      let logEntries: [String] = logReader.getLogEntries(newerThan: epoch)

      // Verify number of log entries and decoded values
      expect(logEntries.count) >= 2

      // Check number of entries and values in each entry

      let logEntryText: String = logEntries[logEntries.count - 2]

      let logEntry = UpdatesLogEntry.create(from: logEntryText)
      expect(UInt((logEntry?.timestamp)!/1_000)) == UInt(epoch.timeIntervalSince1970)
      expect(logEntry?.message) == "Test message"
      expect(logEntry?.code) == "NoUpdatesAvailable"
      expect(logEntry?.level) == "error"
      expect(logEntry?.updateId) == nil
      expect(logEntry?.assetId) == nil
      expect(logEntry?.stacktrace) != nil

      let logEntryText2: String = logEntries[logEntries.count - 1] as String
      let logEntry2 = UpdatesLogEntry.create(from: logEntryText2)
      expect(UInt((logEntry2?.timestamp)!/1_000)) == UInt(epoch.timeIntervalSince1970)
      expect(logEntry2?.message) == "Warning message"
      expect(logEntry2?.code) == "AssetsFailedToLoad"
      expect(logEntry2?.level) == "warn"
      expect(logEntry2?.updateId) == "myUpdateId"
      expect(logEntry2?.assetId) == "myAssetId"
      expect(logEntry2?.stacktrace) == nil
    }

    it("timer works") {
      let logger = UpdatesLogger()
      let logReader = UpdatesLogReader()

      // Mark the date
      let epoch = Date()

      let timer = logger.startTimer(label: "testlabel")
      RunLoop.current.run(until: Date().addingTimeInterval(1))
      timer.stop()

      // Use reader to retrieve messages
      let logEntries: [String] = logReader.getLogEntries(newerThan: epoch)

      // Verify number of log entries and decoded values
      expect(logEntries.count) == 1

      let logEntryText: String = logEntries[0]
      let logEntry = UpdatesLogEntry.create(from: logEntryText)
      expect(logEntry?.message) == "testlabel"
      expect(logEntry?.code) == UpdatesErrorCode.none.asString
      expect(logEntry?.level) == "\(LogType.timer)"
      expect(logEntry?.updateId) == nil
      expect(logEntry?.assetId) == nil
      expect(logEntry?.stacktrace) == nil
      expect(logEntry!.duration!) >= Double(300)
    }
  }
}