using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using _0_Framework.Application;
using CompanyManagment.App.Contracts.CameraBugReport;
using Company.Domain.CameraBugReportAgg;

namespace CompanyManagment.Application
{
    public class CameraBugReportApplication : ICameraBugReportApplication
    {
        private readonly ICameraBugReportRepository _repository;

        public CameraBugReportApplication(ICameraBugReportRepository repository)
        {
            _repository = repository;
        }

        // ============ Async Methods (MongoDB) ============
        public async Task<OperationResult> CreateAsync(CreateCameraBugReportCommand command)
        {
            var op = new OperationResult();
            try
            {
                var bugReport = new CameraBugReport(
                    command.Title,
                    command.Description,
                    command.UserEmail,
                    command.DeviceModel,
                    command.OsVersion,
                    command.Manufacturer,
                    command.BuildNumber,
                    command.AppVersion,
                    command.ScreenResolution,
                    command.IsCharging,
                    command.BatteryLevel,
                    command.StorageInMB,
                    command.MemoryInMB,
                    command.NetworkType,
                    command.Platform,
                    command.DeviceId,
                    command.PackageName,
                    command.InstallTime,
                    command.LastUpdateTime,
                    command.Flavor,
                    command.Type,
                    command.Priority,
                    command.AccountId,
                    command.StackTrace
                );

                // اضافه کردن لاگ‌ها
                if (command.Logs != null && command.Logs.Any())
                {
                    foreach (var log in command.Logs)
                    {
                        bugReport.AddLog(log);
                    }
                }

                // اضافه کردن تصاویر
                if (command.Screenshots != null && command.Screenshots.Any())
                {
                    foreach (var screenshot in command.Screenshots)
                    {
                        bugReport.AddScreenshot(screenshot, $"screenshot_{Guid.NewGuid()}.jpg");
                    }
                }

                await _repository.CreateAsync(bugReport);

                return op.Succcedded();
            }
            catch (Exception ex)
            {
                return op.Failed($"خطا در ثبت گزارش خرابی: {ex.Message}");
            }
        }

        public async Task<OperationResult> EditAsync(EditCameraBugReportCommand command)
        {
            var op = new OperationResult();
            try
            {
                var bugReport = await _repository.GetByIdAsync(command.Id);
                if (bugReport == null)
                    return op.Failed("گزارش خرابی یافت نشد.");

                bugReport.ChangePriority(command.Priority);
                bugReport.ChangeStatus(command.Status);

                await _repository.UpdateAsync(bugReport);

                return op.Succcedded();
            }
            catch (Exception ex)
            {
                return op.Failed($"خطا در ویرایش گزارش خرابی: {ex.Message}");
            }
        }

        public async Task<OperationResult> DeleteAsync(Guid id)
        {
            var op = new OperationResult();
            try
            {
                var exists = await _repository.IsExistAsync(id);
                if (!exists)
                    return op.Failed("گزارش خرابی یافت نشد.");

                await _repository.DeleteAsync(id);

                return op.Succcedded();
            }
            catch (Exception ex)
            {
                return op.Failed($"خطا در حذف گزارش خرابی: {ex.Message}");
            }
        }

        public async Task<List<CameraBugReportViewModel>> GetAllAsync(CameraBugReportSearchModel searchModel)
        {
            try
            {
                var skip = (searchModel.PageNumber - 1) * searchModel.PageSize;
                var bugReports = await _repository.FilterAsync(
                    searchModel.Type,
                    searchModel.Priority,
                    searchModel.Status,
                    searchModel.SearchTerm,
                    skip,
                    searchModel.PageSize
                );

                return bugReports.Select(x => new CameraBugReportViewModel
                {
                    Id = x.Id,
                    Title = x.Title,
                    Description = x.Description,
                    UserEmail = x.UserEmail,
                    AccountId = x.AccountId,
                    DeviceModel = x.DeviceModel,
                    AppVersion = x.AppVersion,
                    Type = x.Type,
                    Priority = x.Priority,
                    Status = x.Status,
                    CreationDate = x.CreationDate,
                    UpdateDate = x.UpdateDate,
                    LogsCount = x.Logs?.Count ?? 0,
                    ScreenshotsCount = x.Screenshots?.Count ?? 0
                }).ToList();
            }
            catch (Exception ex)
            {
                throw new Exception($"خطا در دریافت لیست گزارش‌ها: {ex.Message}", ex);
            }
        }

        public async Task<CameraBugReportDetailViewModel> GetDetailsAsync(Guid id)
        {
            try
            {
                var bugReport = await _repository.GetByIdAsync(id);
                if (bugReport == null)
                    return null;

                return new CameraBugReportDetailViewModel
                {
                    Id = bugReport.Id,
                    Title = bugReport.Title,
                    Description = bugReport.Description,
                    UserEmail = bugReport.UserEmail,
                    AccountId = bugReport.AccountId,
                    DeviceModel = bugReport.DeviceModel,
                    OsVersion = bugReport.OsVersion,
                    Platform = bugReport.Platform,
                    Manufacturer = bugReport.Manufacturer,
                    DeviceId = bugReport.DeviceId,
                    ScreenResolution = bugReport.ScreenResolution,
                    MemoryInMB = bugReport.MemoryInMB,
                    StorageInMB = bugReport.StorageInMB,
                    BatteryLevel = bugReport.BatteryLevel,
                    IsCharging = bugReport.IsCharging,
                    NetworkType = bugReport.NetworkType,
                    AppVersion = bugReport.AppVersion,
                    BuildNumber = bugReport.BuildNumber,
                    PackageName = bugReport.PackageName,
                    InstallTime = bugReport.InstallTime,
                    LastUpdateTime = bugReport.LastUpdateTime,
                    Flavor = bugReport.Flavor,
                    Type = bugReport.Type,
                    Priority = bugReport.Priority,
                    Status = bugReport.Status,
                    StackTrace = bugReport.StackTrace,
                    CreationDate = bugReport.CreationDate,
                    UpdateDate = bugReport.UpdateDate,
                    Logs = bugReport.Logs?.Select(x => x.Message).ToList() ?? new List<string>(),
                    Screenshots = bugReport.Screenshots?.Select(x => new CameraBugReportScreenshotViewModel
                    {
                        FileName = x.FileName,
                        UploadDate = x.UploadDate,
                        Base64Data = x.Base64Data
                    }).ToList() ?? new List<CameraBugReportScreenshotViewModel>()
                };
            }
            catch (Exception ex)
            {
                throw new Exception($"خطا در دریافت جزئیات گزارش: {ex.Message}", ex);
            }
        }

        public async Task<bool> IsExistAsync(Guid id)
        {
            return await _repository.IsExistAsync(id);
        }

        // ============ Sync Methods (Backward Compatibility) ============
        public OperationResult Create(CreateCameraBugReportCommand command)
        {
            try
            {
                return CreateAsync(command).ConfigureAwait(false).GetAwaiter().GetResult();
            }
            catch (Exception ex)
            {
                return new OperationResult().Failed($"خطا: {ex.Message}");
            }
        }

        public OperationResult Edit(EditCameraBugReportCommand command)
        {
            try
            {
                return EditAsync(command).ConfigureAwait(false).GetAwaiter().GetResult();
            }
            catch (Exception ex)
            {
                return new OperationResult().Failed($"خطا: {ex.Message}");
            }
        }

        public OperationResult Delete(Guid id)
        {
            try
            {
                return DeleteAsync(id).ConfigureAwait(false).GetAwaiter().GetResult();
            }
            catch (Exception ex)
            {
                return new OperationResult().Failed($"خطا: {ex.Message}");
            }
        }

        public List<CameraBugReportViewModel> GetAll(CameraBugReportSearchModel searchModel)
        {
            try
            {
                return GetAllAsync(searchModel).ConfigureAwait(false).GetAwaiter().GetResult();
            }
            catch (Exception ex)
            {
                throw new Exception($"خطا: {ex.Message}", ex);
            }
        }

        public CameraBugReportDetailViewModel GetDetails(Guid id)
        {
            try
            {
                return GetDetailsAsync(id).ConfigureAwait(false).GetAwaiter().GetResult();
            }
            catch (Exception ex)
            {
                throw new Exception($"خطا: {ex.Message}", ex);
            }
        }

        public bool IsExist(Guid id)
        {
            try
            {
                return IsExistAsync(id).ConfigureAwait(false).GetAwaiter().GetResult();
            }
            catch (Exception ex)
            {
                throw new Exception($"خطا: {ex.Message}", ex);
            }
        }
    }
}