using ItWorx.KnowledgeHub.Domain.Identity;

namespace ItWorx.KnowledgeHub.Application.Identity.UseCases;

public sealed record SessionInfo(
    bool Authenticated,
    bool SetupRequired,
    Guid? UserId,
    string? DisplayName,
    string? Email,
    Guid? WorkspaceId,
    WorkspaceRole? Role);

public sealed class GetSessionUseCase(
    IInstallationRepository installations,
    IUserAccountManager userAccounts,
    IWorkspaceRepository workspaces,
    IWorkspaceMembershipRepository memberships)
{
    public async Task<SessionInfo> ExecuteAsync(CancellationToken cancellationToken)
    {
        var setupComplete = await installations.IsSetupCompleteAsync(cancellationToken);
        var account = await userAccounts.GetSignedInAccountAsync(cancellationToken);

        if (account is null)
        {
            return new SessionInfo(false, !setupComplete, null, null, null, null, null);
        }

        var workspaceId = await workspaces.GetDefaultWorkspaceIdAsync(cancellationToken);
        WorkspaceRole? role = workspaceId is null
            ? null
            : await memberships.GetRoleAsync(workspaceId.Value, account.Id, cancellationToken);

        return new SessionInfo(
            true,
            !setupComplete,
            account.Id,
            account.DisplayName,
            account.Email,
            workspaceId,
            role);
    }
}