package rudder

import (
	"context"
	"net/http"
	"net/url"
	"strconv"

	"hub.rudder.build/rudder/rudder-go-sdk/models"
)

type LeaderboardsService struct {
	transport *transport
}

type ListLeaderboardsParameters struct {
	Limit  int
	Cursor *string
}

func (s *LeaderboardsService) List(ctx context.Context, parameters ListLeaderboardsParameters) (*LeaderboardList, error) {
	query := url.Values{}
	if parameters.Limit > 0 {
		query.Set("limit", strconv.Itoa(parameters.Limit))
	}
	if parameters.Cursor != nil {
		query.Set("cursor", *parameters.Cursor)
	}

	var response LeaderboardList
	if err := s.transport.do(ctx, http.MethodGet, "/leaderboards", query, nil, &response); err != nil {
		return nil, err
	}
	return &response, nil
}

func (s *LeaderboardsService) Submit(ctx context.Context, slug string, items []LeaderboardScore) error {
	body := models.BatchSubmitLeaderboardEntriesRequest{
		Items: items,
	}
	return s.transport.do(ctx, http.MethodPost, "/leaderboards/"+url.PathEscape(slug)+"/entries", nil, body, nil)
}

func (s *LeaderboardsService) Update(ctx context.Context, slug string, items []LeaderboardScore) error {
	body := models.BatchUpdateLeaderboardEntriesRequest{
		Items: items,
	}
	return s.transport.do(ctx, http.MethodPatch, "/leaderboards/"+url.PathEscape(slug)+"/entries", nil, body, nil)
}

func (s *LeaderboardsService) Delete(ctx context.Context, slug string, playerIDs []string) error {
	body := models.BatchDeleteLeaderboardEntriesRequest{
		PlayerIds: playerIDs,
	}
	return s.transport.do(ctx, http.MethodDelete, "/leaderboards/"+url.PathEscape(slug)+"/entries", nil, body, nil)
}