using EnablementDAL.DTO;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;

namespace EnablementBLL.ShowRule;

public interface IShowRuleBLL
{
    bool Evaluate(
        IEnumerable<ShowRuleDTO> rulesForShow,
        byte ruleCategory,
        ResolverContextDTO context,
        IEnumerable<string> userRoles);

    // Per-rule relevance tally (Matched/Total) across ALL of a show's active rules,
    // regardless of category/group — used by ResolveShowMatches ("System A") to
    // score/rank candidates. Distinct from Evaluate(), which is a pass/fail GATE
    // per rule category (AND across groups, OR within a group) for ResolveShow
    // ("System B"). Returns (0, 0) when the show has no rules — caller treats
    // that as a perfect/universal match (score = 1.0), same "no rules ⇒ pass"
    // convention as Evaluate().
    (int Matched, int Total) EvaluateDetailed(
        IEnumerable<ShowRuleDTO> rulesForShow,
        ResolverContextDTO context,
        IEnumerable<string> userRoles);

    // ---- Admin CRUD (author-time) ----
    Task<string> GetShowRuleAsync(int showRuleId, LoginDTO loginDTO);
    Task<string> GetShowRuleList(CriteriaDTO criteriaDTO, LoginDTO loginDTO);
    Task<string> SaveShowRuleAsync(
     ShowRuleDTO dto,
     LoginDTO login,
     CancellationToken ct);
    Task<ResponseStandardDTO<object>> DeleteShowRuleAsync(int showRuleId, LoginDTO login, CancellationToken ct);

    // Channel-owned rules — used by ShowChannelSubscriptionBLL, not the resolver.
    Task<IEnumerable<ShowRuleDTO>> GetShowRulesForChannelAsync(int channelId, LoginDTO login, CancellationToken ct);

    // Space-owned rules — used by ShowSpaceSubscriptionBLL, not the resolver.
    Task<IEnumerable<ShowRuleDTO>> GetShowRulesForSpaceAsync(int spaceId, LoginDTO login, CancellationToken ct);
}