package store

import "spider/internal/model"

// ListEnabledKeywords returns all enabled keywords (excluding seeds).
func (s *Store) ListEnabledKeywords() ([]model.Keyword, error) {
	var keywords []model.Keyword
	err := s.DB.Where("enabled = ? AND industry_tag != ?", true, "seed").Find(&keywords).Error
	return keywords, err
}

// ListSeeds returns all enabled seed entries (industry_tag = 'seed').
func (s *Store) ListSeeds() ([]model.Keyword, error) {
	var seeds []model.Keyword
	err := s.DB.Where("enabled = ? AND industry_tag = ?", true, "seed").Find(&seeds).Error
	return seeds, err
}

// ListAllKeywords returns all keywords for the given filters, paginated.
func (s *Store) ListAllKeywords(industryTag string, page, pageSize int) ([]model.Keyword, int64, error) {
	var keywords []model.Keyword
	var total int64

	q := s.DB.Model(&model.Keyword{})
	if industryTag != "" {
		q = q.Where("industry_tag = ?", industryTag)
	}

	q.Count(&total)

	offset := (page - 1) * pageSize
	err := q.Order("created_at DESC").Offset(offset).Limit(pageSize).Find(&keywords).Error
	return keywords, total, err
}

// CreateKeyword inserts a new keyword. Returns the created record.
func (s *Store) CreateKeyword(k *model.Keyword) error {
	return s.DB.Create(k).Error
}

// UpdateKeyword updates a keyword by ID.
func (s *Store) UpdateKeyword(id uint, updates map[string]any) error {
	return s.DB.Model(&model.Keyword{}).Where("id = ?", id).Updates(updates).Error
}

// DeleteKeyword deletes a keyword by ID.
func (s *Store) DeleteKeyword(id uint) error {
	return s.DB.Delete(&model.Keyword{}, id).Error
}