using Microsoft.EntityFrameworkCore;
using mws.backend.dotnet.application.Common;
using mws.backend.dotnet.application.Common.Repositories;
using mws.backend.dotnet.application.MasterData;
using mws.backend.dotnet.domain.MasterData;

namespace mws.backend.dotnet.infrastructure.Persistence.Repositories;

public class MasterDataRepository(AppDbContext db) : RepositoryBase<MasterDataEntry>(db), IMasterDataRepository
{
    public Task<PagedResult<MasterDataEntry>> GetAllAsync(MasterDataFilter filter, int page, int pageSize, CancellationToken ct = default)
    {
        var query = Set.AsQueryable();

        if (!string.IsNullOrWhiteSpace(filter.Group))
        {
            query = query.Where(m => m.Group == filter.Group);
        }

        if (!string.IsNullOrWhiteSpace(filter.Term))
        {
            var lower = filter.Term.Trim().ToLower();
            query = query.Where(m => m.Label.ToLower().Contains(lower) || m.Value.ToLower().Contains(lower));
        }

        if (filter.IsActive is { } active)
        {
            query = query.Where(m => m.IsActive == active);
        }

        return query.OrderBy(m => m.Group).ThenBy(m => m.SortOrder).ThenBy(m => m.Label)
            .ToPagedResultAsync(page, pageSize, ct);
    }

    public Task<List<MasterDataEntry>> GetActiveByGroupAsync(string group, CancellationToken ct = default) =>
        Set.Where(m => m.Group == group && m.IsActive)
            .OrderBy(m => m.SortOrder).ThenBy(m => m.Label)
            .ToListAsync(ct);

    public Task<MasterDataEntry?> GetByIdAsync(Guid id, CancellationToken ct = default) =>
        Set.FirstOrDefaultAsync(m => m.Id == id, ct);

    public Task<bool> ExistsAsync(string group, string value, Guid? excludeId, CancellationToken ct = default) =>
        Set.AnyAsync(m => m.Group == group && m.Value == value && (excludeId == null || m.Id != excludeId), ct);
}