package search

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

	"github.com/jackc/pgx/v5/pgxpool"

	"github.com/ultisuite/ulti-backend/internal/api/apiresponse"
	"github.com/ultisuite/ulti-backend/internal/api/apivalidate"
	"github.com/ultisuite/ulti-backend/internal/api/middleware"
	"github.com/ultisuite/ulti-backend/internal/api/query"
)

type Handler struct {
	svc    *Service
	logger *slog.Logger
}

func NewHandler(db *pgxpool.Pool) *Handler {
	return &Handler{
		svc:    NewService(db),
		logger: slog.Default().With("component", "search"),
	}
}

func (h *Handler) Search(w http.ResponseWriter, r *http.Request) {
	claims := middleware.ClaimsFromContext(r.Context())

	q := r.URL.Query().Get("q")
	if verr := validateSearchQuery(q); verr != nil {
		apiresponse.WriteError(w, r, http.StatusBadRequest, apiresponse.CodeInvalidQueryParam, "invalid query parameters", verr.Details)
		return
	}

	types := r.URL.Query().Get("types")
	if verr := validateSearchTypes(types); verr != nil {
		apiresponse.WriteError(w, r, http.StatusBadRequest, apiresponse.CodeInvalidQueryParam, "invalid query parameters", verr.Details)
		return
	}

	params, err := query.ParseListRequest(r)
	if err != nil {
		apivalidate.WriteQueryError(w, r, err)
		return
	}

	result, err := h.svc.Search(r.Context(), claims.Sub, q, types, params)
	if err != nil {
		h.logger.Error("search", "error", err)
		apivalidate.WriteInternal(w, r)
		return
	}
	apiresponse.WriteJSON(w, http.StatusOK, result)
}