using System.Linq;
using Microsoft.EntityFrameworkCore;
using TakeoutSaaS.Domain.Stores.Entities;
using TakeoutSaaS.Domain.Stores.Enums;
using TakeoutSaaS.Domain.Stores.Repositories;
using TakeoutSaaS.Infrastructure.App.Persistence;

namespace TakeoutSaaS.Infrastructure.App.Repositories;

/// <summary>
/// 门店聚合的 EF Core 仓储实现。
/// </summary>
/// <remarks>
/// 初始化仓储。
/// </remarks>
public sealed class EfStoreRepository(TakeoutAppDbContext context) : IStoreRepository
{
    /// <inheritdoc />
    public Task<Store?> FindByIdAsync(long storeId, long tenantId, CancellationToken cancellationToken = default)
    {
        return context.Stores
            .AsNoTracking()
            .Where(x => x.TenantId == tenantId && x.Id == storeId)
            .FirstOrDefaultAsync(cancellationToken);
    }

    /// <inheritdoc />
    public async Task<IReadOnlyList<Store>> SearchAsync(long tenantId, StoreStatus? status, CancellationToken cancellationToken = default)
    {
        var query = context.Stores
            .AsNoTracking()
            .Where(x => x.TenantId == tenantId);

        if (status.HasValue)
        {
            query = query.Where(x => x.Status == status.Value);
        }

        var stores = await query
            .OrderBy(x => x.Name)
            .ToListAsync(cancellationToken);

        return stores;
    }

    /// <inheritdoc />
    public async Task<IReadOnlyList<StoreBusinessHour>> GetBusinessHoursAsync(long storeId, long tenantId, CancellationToken cancellationToken = default)
    {
        var hours = await context.StoreBusinessHours
            .AsNoTracking()
            .Where(x => x.TenantId == tenantId && x.StoreId == storeId)
            .OrderBy(x => x.DayOfWeek)
            .ThenBy(x => x.StartTime)
            .ToListAsync(cancellationToken);

        return hours;
    }

    /// <inheritdoc />
    public async Task<IReadOnlyList<StoreDeliveryZone>> GetDeliveryZonesAsync(long storeId, long tenantId, CancellationToken cancellationToken = default)
    {
        var zones = await context.StoreDeliveryZones
            .AsNoTracking()
            .Where(x => x.TenantId == tenantId && x.StoreId == storeId)
            .OrderBy(x => x.SortOrder)
            .ToListAsync(cancellationToken);

        return zones;
    }

    /// <inheritdoc />
    public async Task<IReadOnlyList<StoreHoliday>> GetHolidaysAsync(long storeId, long tenantId, CancellationToken cancellationToken = default)
    {
        var holidays = await context.StoreHolidays
            .AsNoTracking()
            .Where(x => x.TenantId == tenantId && x.StoreId == storeId)
            .OrderBy(x => x.Date)
            .ToListAsync(cancellationToken);

        return holidays;
    }

    /// <inheritdoc />
    public async Task<IReadOnlyList<StoreTableArea>> GetTableAreasAsync(long storeId, long tenantId, CancellationToken cancellationToken = default)
    {
        var areas = await context.StoreTableAreas
            .AsNoTracking()
            .Where(x => x.TenantId == tenantId && x.StoreId == storeId)
            .OrderBy(x => x.SortOrder)
            .ToListAsync(cancellationToken);

        return areas;
    }

    /// <inheritdoc />
    public async Task<IReadOnlyList<StoreTable>> GetTablesAsync(long storeId, long tenantId, CancellationToken cancellationToken = default)
    {
        var tables = await context.StoreTables
            .AsNoTracking()
            .Where(x => x.TenantId == tenantId && x.StoreId == storeId)
            .OrderBy(x => x.TableCode)
            .ToListAsync(cancellationToken);

        return tables;
    }

    /// <inheritdoc />
    public async Task<IReadOnlyList<StoreEmployeeShift>> GetShiftsAsync(long storeId, long tenantId, CancellationToken cancellationToken = default)
    {
        var shifts = await context.StoreEmployeeShifts
            .AsNoTracking()
            .Where(x => x.TenantId == tenantId && x.StoreId == storeId)
            .OrderBy(x => x.ShiftDate)
            .ThenBy(x => x.StartTime)
            .ToListAsync(cancellationToken);

        return shifts;
    }

    /// <inheritdoc />
    public Task AddStoreAsync(Store store, CancellationToken cancellationToken = default)
    {
        return context.Stores.AddAsync(store, cancellationToken).AsTask();
    }

    /// <inheritdoc />
    public Task AddBusinessHoursAsync(IEnumerable<StoreBusinessHour> hours, CancellationToken cancellationToken = default)
    {
        return context.StoreBusinessHours.AddRangeAsync(hours, cancellationToken);
    }

    /// <inheritdoc />
    public Task AddDeliveryZonesAsync(IEnumerable<StoreDeliveryZone> zones, CancellationToken cancellationToken = default)
    {
        return context.StoreDeliveryZones.AddRangeAsync(zones, cancellationToken);
    }

    /// <inheritdoc />
    public Task AddHolidaysAsync(IEnumerable<StoreHoliday> holidays, CancellationToken cancellationToken = default)
    {
        return context.StoreHolidays.AddRangeAsync(holidays, cancellationToken);
    }

    /// <inheritdoc />
    public Task AddTableAreasAsync(IEnumerable<StoreTableArea> areas, CancellationToken cancellationToken = default)
    {
        return context.StoreTableAreas.AddRangeAsync(areas, cancellationToken);
    }

    /// <inheritdoc />
    public Task AddTablesAsync(IEnumerable<StoreTable> tables, CancellationToken cancellationToken = default)
    {
        return context.StoreTables.AddRangeAsync(tables, cancellationToken);
    }

    /// <inheritdoc />
    public Task AddShiftsAsync(IEnumerable<StoreEmployeeShift> shifts, CancellationToken cancellationToken = default)
    {
        return context.StoreEmployeeShifts.AddRangeAsync(shifts, cancellationToken);
    }

    /// <inheritdoc />
    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
    {
        return context.SaveChangesAsync(cancellationToken);
    }

    /// <inheritdoc />
    public Task UpdateStoreAsync(Store store, CancellationToken cancellationToken = default)
    {
        context.Stores.Update(store);
        return Task.CompletedTask;
    }

    /// <inheritdoc />
    public async Task DeleteStoreAsync(long storeId, long tenantId, CancellationToken cancellationToken = default)
    {
        var existing = await context.Stores
            .Where(x => x.TenantId == tenantId && x.Id == storeId)
            .FirstOrDefaultAsync(cancellationToken);

        if (existing == null)
        {
            return;
        }

        context.Stores.Remove(existing);
    }
}