using AutoMapper;
using DamageAssesment.Api.Locations.Db;
using DamageAssesment.Api.Locations.Interfaces;
using DamageAssesment.Api.Locations.Models;
using Microsoft.EntityFrameworkCore;

namespace DamageAssesment.Api.Locations.Providers
{
    public class LocationsProvider : ILocationsProvider
    {
        private LocationDbContext locationDbContext;
        private ILogger<LocationsProvider> logger;
        private IMapper mapper;

        public LocationsProvider(LocationDbContext locationDbContext, ILogger<LocationsProvider> logger, IMapper mapper)
        {
            this.locationDbContext = locationDbContext;
            this.logger = logger;
            this.mapper = mapper;
            SeedData();
        }

        public async Task<(bool IsSuccess, IEnumerable<Models.Location> locations, string ErrorMessage)> GetLocationsAsync()
        {

            try
            {
                logger?.LogInformation("Query Question");
                var Location = await locationDbContext.Locations.AsNoTracking().ToListAsync();
                if (Location != null)
                {
                    logger?.LogInformation($"{Location.Count} Locations(s) found");
                    var result = mapper.Map<IEnumerable<Db.Location>, IEnumerable<Models.Location>>(Location);
                    return (true, result, null);
                }
                return (false, null, "Not found");
            }
            catch (Exception ex)
            {
                logger?.LogError(ex.ToString());
                return (false, null, ex.Message);
            }

        }

        public async Task<(bool IsSuccess, Models.Location Location, string ErrorMessage)> GetLocationByIdAsync(string Id)
        {
            try
            {
                logger?.LogInformation("Query Location");
                var Location = await locationDbContext.Locations.AsNoTracking().FirstOrDefaultAsync(q => q.Id == Id);
                if (Location != null)
                {
                    logger?.LogInformation($"{Location} customer(s) found");
                    var result = mapper.Map<Db.Location, Models.Location>(Location);
                    return (true, result, null);
                }
                return (false, null, "Not found");
            }
            catch (Exception ex)
            {
                logger?.LogError(ex.ToString());
                return (false, null, ex.Message);
            }
        }
        public async Task<(bool IsSuccess, Models.Location Question, string ErrorMessage)> PostLocationAsync(Models.Location Location)
        {
            try
            {
                logger?.LogInformation("Query Location");
                if (!LocationExists(Location.Id))
                {
                    Db.Location _location = mapper.Map<Models.Location, Db.Location>(Location);
                    locationDbContext.Locations.Add(_location);
                    locationDbContext.SaveChanges();
                    return (true, Location, null);
                }
                else
                {
                    return (false, null, "Location is Already exists");
                }
            }
            catch (Exception ex)
            {
                logger?.LogError(ex.ToString());
                return (false, null, ex.Message);
            }
        }
        public async Task<(bool IsSuccess, string ErrorMessage)> UpdateLocationAsync(Models.Location Location)
        {
            try
            {
                Db.Location _location = mapper.Map<Models.Location, Db.Location>(Location);
                locationDbContext.Entry(_location).State = EntityState.Modified;
                locationDbContext.SaveChanges();
                return (true, "Record updated successfully");
            }
            catch (Exception ex)
            {

                logger?.LogError(ex.ToString());
                return (false, ex.Message);
            }
        }
        public async Task<(bool IsSuccess, string ErrorMessage)> DeleteLocationAsync(string Id)
        {
            try
            {
                Db.Location Location = locationDbContext.Locations.AsNoTracking().Where(a => a.Id == Id).FirstOrDefault();
                if (Location == null)
                {
                    return (false, "record not found");
                }
                locationDbContext.Locations.Remove(Location);
                locationDbContext.SaveChanges();
                return (true, "Record deleted successfully");
            }
            catch (Exception ex)
            {

                logger?.LogError(ex.ToString());
                return (false, ex.Message);
            }
        }

        private bool LocationExists(string id)
        {
            return locationDbContext.Locations.AsNoTracking().Count(e => e.Id == id) > 0;
        }
        private void SeedData()
        {
            if (!locationDbContext.Locations.Any())
            {
                locationDbContext.Locations.Add(new Db.Location() { Id = "Loc1", RegionId = "1", Name = "BOB GRAHAM EDUCATION CENTER 1", MaintenanceCenter = "1", SchoolType = "US" });
                locationDbContext.Locations.Add(new Db.Location() { Id = "Loc2", RegionId = "2", Name = "BOB GRAHAM EDUCATION CENTER 2", MaintenanceCenter = "1", SchoolType = "US" });
                locationDbContext.Locations.Add(new Db.Location() { Id = "Loc3", RegionId = "3", Name = "BOB GRAHAM EDUCATION CENTER 3", MaintenanceCenter = "1", SchoolType = "US" });
                locationDbContext.Locations.Add(new Db.Location() { Id = "Loc4", RegionId = "1", Name = "BOB GRAHAM EDUCATION CENTER 4", MaintenanceCenter = "1", SchoolType = "US" });
                locationDbContext.Locations.Add(new Db.Location() { Id = "Loc5", RegionId = "2", Name = "BOB GRAHAM EDUCATION CENTER 5", MaintenanceCenter = "1", SchoolType = "US" });
                locationDbContext.Locations.Add(new Db.Location() { Id = "Loc6", RegionId = "3", Name = "BOB GRAHAM EDUCATION CENTER 6", MaintenanceCenter = "1", SchoolType = "US" });
                locationDbContext.SaveChanges();
            }

        }



    }
}