package api

import (
	"log/slog"
	"net/http"
	"strconv"

	"git.golem15.com/golem15/sm-journal-plugin/models"
	"git.golem15.com/golem15/summercms/modules/backpack"
	"git.golem15.com/golem15/summercms/modules/beachcomber"
	"gorm.io/gorm"
)

func searchWithEngine(app *backpack.App, r *http.Request, db *gorm.DB, search string, publishedOnly bool, page, perPage int) ([]uint, bool) {
	if app == nil || db == nil || !models.SearchGateEnabled() {
		return nil, false
	}
	svc, err := beachcomber.From(app)
	if err != nil || svc == nil || svc.Engine() == nil || !svc.Engine().Configured() {
		return nil, false
	}
	var settings models.Settings
	if err := db.First(&settings, 1).Error; err != nil {
		settings.SearchTitleWeight = 5
		settings.SearchExcerptWeight = 3
		settings.SearchContentWeight = 1
	}
	q := beachcomber.Query{
		Q:              search,
		QueryBy:        []string{"title", "excerpt", "content"},
		QueryByWeights: []int{settings.SearchTitleWeight, settings.SearchExcerptWeight, settings.SearchContentWeight},
		SortBy:         "_text_match:desc,published_at:desc",
		Page:           page,
		PerPage:        perPage,
	}
	if publishedOnly {
		q.FilterBy = "published:=1"
	}
	res, err := beachcomber.SearchPage(r.Context(), svc.Engine(), svc.IndexName(&models.Post{}), q)
	if err != nil {
		slog.Default().Warn("journal: Typesense search failed, falling back to DB search", "err", err)
		return nil, false
	}
	ids := make([]uint, 0, len(res.IDs))
	for _, raw := range res.IDs {
		n, err := strconv.ParseUint(raw, 10, 64)
		if err != nil || n == 0 {
			continue
		}
		ids = append(ids, uint(n))
	}
	return ids, true
}