package Friends

import (
	"encoding/json"
	"net/http"
	"net/url"
	"strconv"
	"time"

	"git.tovijaeschke.xyz/tovi/Envelope/Backend/Api/Auth"
	"git.tovijaeschke.xyz/tovi/Envelope/Backend/Database"
)

// FriendRequestList gets friend request list
func FriendRequestList(w http.ResponseWriter, r *http.Request) {
	var (
		userSession      Database.Session
		friends          Database.FriendRequestList
		query            url.Values
		acceptedAtString []string
		acceptedAt       time.Time
		page             int
		ok               bool
		returnJSON       []byte
		err              error
	)

	query = r.URL.Query()

	page, err = strconv.Atoi(query.Get("page"))
	if err != nil {
		page = 0
	}

	acceptedAtString, ok = query["updated_at"]
	if ok {
		acceptedAt, err = time.Parse(time.RFC3339, acceptedAtString[0])
		if err != nil {
			http.Error(w, "Invalid Data", http.StatusBadGateway)
			return
		}
	}

	userSession, _ = Auth.CheckCookie(r)

	friends, err = Database.GetFriendRequestsByUserID(userSession.UserID.String(), page, acceptedAt)
	if err != nil {
		http.Error(w, "Error", http.StatusInternalServerError)
		return
	}

	returnJSON, err = json.MarshalIndent(friends, "", "  ")
	if err != nil {
		http.Error(w, "Error", http.StatusInternalServerError)
		return
	}

	w.WriteHeader(http.StatusOK)
	w.Write(returnJSON)
}