using System;
using Cysharp.Threading.Tasks;
using Unity.Services.Analytics;
using Unity.Services.Core;
using UnityEngine;

namespace DanieleMarotta.RiversongCodeShowcase
{
    public class UnityAnalyticsService : IAnalyticsService
    {
        private bool _canRecord;

        public async UniTask InitializeAsync()
        {
            if (_canRecord) return;

            try
            {
                if (UnityServices.State == ServicesInitializationState.Uninitialized) await UnityServices.InitializeAsync();

                AnalyticsService.Instance.StartDataCollection();

                _canRecord = true;
            }
            catch (Exception exception)
            {
                Debug.LogError($"Failed to initialize analytics. Analytics will be disabled.\n{exception}");
            }
        }

        public void RecordSessionStarted(string sessionId)
        {
            if (!_canRecord) return;

            var analyticsEvent = new SessionStartedAnalyticsEvent { SessionId = sessionId };

            AnalyticsService.Instance.RecordEvent(analyticsEvent);
        }

        public void RecordBuildingConstructionCompleted(string sessionId, string buildingName)
        {
            if (!_canRecord) return;

            var analyticsEvent = new BuildingConstructionCompletedAnalyticsEvent
            {
                SessionId = sessionId,
                BuildingName = buildingName
            };

            AnalyticsService.Instance.RecordEvent(analyticsEvent);
        }

        public void RecordHouseUpgraded(string sessionId, string buildingName, int fromTier, int toTier)
        {
            if (!_canRecord) return;

            var analyticsEvent = new HouseUpgradedAnalyticsEvent
            {
                SessionId = sessionId,
                BuildingName = buildingName,
                FromTier = fromTier,
                ToTier = toTier
            };

            AnalyticsService.Instance.RecordEvent(analyticsEvent);
        }

        public void RecordHeartbeat(string sessionId, int heartbeatIndex, float playtimeSeconds, int totalBuildingsPlaced, int population)
        {
            if (!_canRecord) return;

            var analyticsEvent = new SessionHeartbeatAnalyticsEvent
            {
                SessionId = sessionId,
                HeartbeatIndex = heartbeatIndex,
                PlaytimeSeconds = playtimeSeconds,
                TotalBuildingsPlaced = totalBuildingsPlaced,
                Population = population
            };

            AnalyticsService.Instance.RecordEvent(analyticsEvent);
        }

        public void RecordDemoCompleted(string sessionId, float playtimeSeconds, int totalWeeks, int population, float happiness)
        {
            if (!_canRecord) return;

            var analyticsEvent = new DemoCompletedAnalyticsEvent
            {
                SessionId = sessionId,
                PlaytimeSeconds = playtimeSeconds,
                TotalWeeks = totalWeeks,
                Population = population,
                Happiness = Mathf.Clamp01(happiness)
            };

            AnalyticsService.Instance.RecordEvent(analyticsEvent);
            AnalyticsService.Instance.Flush();
        }
    }
}