package api

import (
	"TheAdversary/database"
	"TheAdversary/schema"
	"encoding/json"
	"net/http"
	"strconv"
)

func Recent(w http.ResponseWriter, r *http.Request) {
	var err error
	var limit int64

	query := r.URL.Query()
	if l := query.Get("limit"); l != "" {
		limit, err = strconv.ParseInt(l, 10, 64)
		if err != nil {
			ApiError{"invalid 'limit' parameter", err, http.StatusUnprocessableEntity}.Send(w)
			return
		}
	} else {
		limit = 20
	}

	articles, err := database.GetDB().GetArticles("", database.ArticleQueryOptions{
		Limit: int(limit),
	})

	var articleSummaries []schema.ArticleSummary
	for _, article := range articles {
		articleSummaries = append(articleSummaries, article.ToArticleSummary())
	}

	w.WriteHeader(http.StatusOK)
	json.NewEncoder(w).Encode(struct {
		Articles []schema.ArticleSummary
	}{articleSummaries})
}