using Socialize.Infrastructure.Security;
using Socialize.Modules.Clients.Data;

namespace Socialize.Modules.Clients.Handlers;

public record GetClientsRequest(Guid? WorkspaceId);

public record ClientDto(
    Guid Id,
    Guid WorkspaceId,
    string Name,
    string Status,
    string? PortraitUrl,
    string? PrimaryContactName,
    string? PrimaryContactEmail,
    string? PrimaryContactPortraitUrl);

public class GetClientsHandler(
    AppDbContext dbContext,
    AccessScopeService accessScopeService)
    : Endpoint<GetClientsRequest, IReadOnlyCollection<ClientDto>>
{
    public override void Configure()
    {
        Get("/api/clients");
        Options(o => o.WithTags("Clients"));
    }

    public override async Task HandleAsync(GetClientsRequest request, CancellationToken ct)
    {
        IQueryable<Client> query = dbContext.Clients.AsQueryable();

        if (accessScopeService.IsManager(User))
        {
            if (request.WorkspaceId.HasValue)
            {
                query = query.Where(client => client.WorkspaceId == request.WorkspaceId.Value);
            }
        }
        else
        {
            IReadOnlyCollection<Guid> workspaceScopeIds = User.GetWorkspaceScopeIds();
            IReadOnlyCollection<Guid> clientScopeIds = User.GetClientScopeIds();

            query = query.Where(client => workspaceScopeIds.Contains(client.WorkspaceId));

            if (clientScopeIds.Count > 0)
            {
                query = query.Where(client => clientScopeIds.Contains(client.Id));
            }

            if (request.WorkspaceId.HasValue)
            {
                query = query.Where(client => client.WorkspaceId == request.WorkspaceId.Value);
            }
        }

        List<ClientDto> clients = await query
            .OrderBy(client => client.Name)
            .Select(client => new ClientDto(
                client.Id,
                client.WorkspaceId,
                client.Name,
                client.Status,
                client.PortraitUrl,
                client.PrimaryContactName,
                client.PrimaryContactEmail,
                client.PrimaryContactPortraitUrl))
            .ToListAsync(ct);

        await SendOkAsync(clients, ct);
    }
}