package listing

import (
	"context"
	"strings"

	"hfb_sys/backend/internal/modules/qualityowner"
)

func (s *Service) Create(ctx context.Context, ownerID uint64, req CreateRequest, siteCode ...string) (*ListingDTO, error) {
	if s.repo == nil {
		return nil, ErrDependencyUnavailable
	}
	if !req.AgreedVirtualAssetSale || !req.AgreedSellerAgreement {
		return nil, ErrAgreementRequired
	}
	effectiveSiteCode := ""
	if len(siteCode) > 0 {
		effectiveSiteCode = strings.TrimSpace(siteCode[0])
	}
	if err := s.applyPublishEntitlements(ctx, ownerID, &req); err != nil {
		return nil, err
	}
	delta, onDistribution := s.repo.resolveSiteReceiveCostDelta(ctx, 0, effectiveSiteCode)
	if err := s.applyMainSiteReceivePricing(ctx, &req, 0, delta, onDistribution); err != nil {
		return nil, err
	}
	rules, err := s.publishRules(ctx)
	if err != nil {
		return nil, err
	}
	if err := validateRequest(req, rules); err != nil {
		return nil, err
	}
	if err := validateRequiredOnlineTime(req); err != nil {
		return nil, err
	}
	cooldown, err := s.publishCooldown(ctx)
	if err != nil {
		return nil, err
	}
	reviewRequired, err := s.reviewRequired(ctx)
	if err != nil {
		return nil, err
	}
	return s.repo.Create(ctx, ownerID, req, reviewRequired, cooldown, effectiveSiteCode)
}

func (s *Service) Update(ctx context.Context, ownerID uint64, id uint64, req UpdateRequest, siteCode ...string) (*ListingDTO, error) {
	if s.repo == nil {
		return nil, ErrDependencyUnavailable
	}
	effectiveSiteCode := ""
	if len(siteCode) > 0 {
		effectiveSiteCode = strings.TrimSpace(siteCode[0])
	}
	if err := s.applyPublishEntitlements(ctx, ownerID, &req); err != nil {
		return nil, err
	}
	delta, onDistribution := s.repo.resolveSiteReceiveCostDelta(ctx, id, effectiveSiteCode)
	if err := s.applyMainSiteReceivePricing(ctx, &req, 0, delta, onDistribution); err != nil {
		return nil, err
	}
	rules, err := s.publishRules(ctx)
	if err != nil {
		return nil, err
	}
	if err := validateRequest(req, rules); err != nil {
		return nil, err
	}
	if err := validateRequiredOnlineTime(req); err != nil {
		return nil, err
	}
	reviewRequired, err := s.reviewRequired(ctx)
	if err != nil {
		return nil, err
	}
	return s.repo.Update(ctx, ownerID, id, req, reviewRequired)
}

func (s *Service) applyPublishEntitlements(ctx context.Context, ownerID uint64, req *CreateRequest) error {
	req.CompensationPlan = strings.TrimSpace(req.CompensationPlan)
	if req.CompensationPlan == "" {
		req.CompensationPlan = CompensationPlanNormal
	}
	if req.CompensationPlan != CompensationPlanNormal && req.CompensationPlan != CompensationPlanInsurance {
		return ErrInvalidInput
	}

	isQualityOwner, err := s.repo.IsQualityOwner(ctx, ownerID)
	if err != nil {
		return err
	}
	if req.IsPremium && !isQualityOwner {
		return ErrPremiumOwnerRequired
	}
	req.OwnerIsQualityOwner = isQualityOwner

	req.InsuranceFeeBps = 0
	if req.CompensationPlan != CompensationPlanInsurance {
		return nil
	}
	rules := qualityowner.DefaultRules()
	if s.config != nil {
		value, err := s.config.FindValue(ctx, qualityowner.ConfigKey)
		if err != nil {
			return err
		}
		rules, err = qualityowner.ParseConfigValue(value)
		if err != nil {
			return err
		}
	}
	req.InsuranceFeeBps = rules.InsuranceFeeBps
	if req.IsPremium && isQualityOwner {
		req.InsuranceFeeBps = rules.PremiumInsuranceFeeBps
	}
	return nil
}

func (s *Service) SubmitReview(ctx context.Context, ownerID uint64, id uint64) (*ListingDTO, error) {
	if s.repo == nil {
		return nil, ErrDependencyUnavailable
	}
	reviewRequired, err := s.reviewRequired(ctx)
	if err != nil {
		return nil, err
	}
	return s.repo.SubmitReview(ctx, ownerID, id, reviewRequired)
}

func (s *Service) Offline(ctx context.Context, ownerID uint64, id uint64) (*ListingDTO, error) {
	if s.repo == nil {
		return nil, ErrDependencyUnavailable
	}
	return s.repo.Offline(ctx, ownerID, id)
}