using Data.SeaHavenIndustries;
using Microsoft.EntityFrameworkCore;
using SeaHaven.DataServices.Interfaces;

namespace SeaHaven.DataServices.Implementation
{
    public class AssetDataService : IAssetDataService
    {
        private readonly ApplicationDbContext _context;

        public AssetDataService(ApplicationDbContext context)
        {
            _context = context;
        }

        public async Task<Assets?> GetByIdAsync(int id)
        {
            return await _context.Assets.FindAsync(id);
        }

        public async Task<Assets?> GetByIdWithDetailsAsync(int id)
        {
            return await _context.Assets
                .FirstOrDefaultAsync(a => a.Id == id);
        }

        public async Task<IEnumerable<Assets>> GetAllAsync()
        {
            return await _context.Assets.ToListAsync();
        }

        public async Task<IEnumerable<Assets>> GetByLocationIdAsync(int locationId)
        {
            return await _context.Assets
                .Where(a => a.LocationId == locationId)
                .ToListAsync();
        }

        public async Task<(IEnumerable<Assets> Items, int TotalCount)> GetPagedAsync(
            int page, 
            int pageSize, 
            string? search = null)
        {
            var query = _context.Assets.AsQueryable();

            var totalCount = await query.CountAsync();
            var items = await query
                .OrderBy(a => a.Id)
                .Skip((page - 1) * pageSize)
                .Take(pageSize)
                .ToListAsync();

            return (items, totalCount);
        }

        public async Task<Assets> AddAsync(Assets asset)
        {
            asset.CreatedDate = DateTime.Now;
            await _context.Assets.AddAsync(asset);
            await _context.SaveChangesAsync();
            return asset;
        }

        public async Task UpdateAsync(Assets asset)
        {
            asset.LastModificationTime = DateTime.Now;
            _context.Assets.Update(asset);
            await _context.SaveChangesAsync();
        }

        public async Task DeleteAsync(int id)
        {
            var entity = await GetByIdAsync(id);
            if (entity != null)
            {
                _context.Assets.Remove(entity);
                await _context.SaveChangesAsync();
            }
        }

        public async Task<bool> ExistsAsync(int id)
        {
            return await _context.Assets.AnyAsync(a => a.Id == id);
        }

        public async Task<int> CountAsync()
        {
            return await _context.Assets.CountAsync();
        }
    }
}