// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.

package tally_test

import (
	"context"
	"testing"
	"time"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"

	"storj.io/storj/internal/testcontext"
	"storj.io/storj/internal/testplanet"
	"storj.io/storj/pkg/bwagreement/testbwagreement"
	"storj.io/storj/pkg/pb"
	"storj.io/storj/pkg/piecestore/psserver/psdb"
	"storj.io/storj/satellite"
)

func TestQueryNoAgreements(t *testing.T) {
	testplanet.Run(t, testplanet.Config{
		SatelliteCount: 1, StorageNodeCount: 1, UplinkCount: 1,
	}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
		tally := planet.Satellites[0].Accounting.Tally
		_, bwTotals, err := tally.QueryBW(ctx)
		require.NoError(t, err)
		require.Len(t, bwTotals, 0)
	})
}

func TestQueryWithBw(t *testing.T) {
	testplanet.Run(t, testplanet.Config{
		SatelliteCount: 1, StorageNodeCount: 1, UplinkCount: 1,
	}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
		db := planet.Satellites[0].DB
		sendGeneratedAgreements(ctx, t, db, planet)

		tally := planet.Satellites[0].Accounting.Tally
		tallyEnd, bwTotals, err := tally.QueryBW(ctx)
		require.NoError(t, err)
		require.Len(t, bwTotals, 1)

		for id, nodeTotals := range bwTotals {
			require.Len(t, nodeTotals, 5)
			for _, total := range nodeTotals {
				require.Equal(t, planet.StorageNodes[0].Identity.ID, id)
				require.Equal(t, int64(1000), total)
			}
		}
		err = tally.SaveBWRaw(ctx, tallyEnd, time.Now().UTC(), bwTotals)
		require.NoError(t, err)
	})
}

func sendGeneratedAgreements(ctx context.Context, t *testing.T, db satellite.DB, planet *testplanet.Planet) {
	satID := planet.Satellites[0].Identity
	upID := planet.Uplinks[0].Identity
	snID := planet.StorageNodes[0].Identity
	sender := planet.StorageNodes[0].Agreements.Sender
	actions := []pb.BandwidthAction{
		pb.BandwidthAction_PUT,
		pb.BandwidthAction_GET,
		pb.BandwidthAction_GET_AUDIT,
		pb.BandwidthAction_GET_REPAIR,
		pb.BandwidthAction_PUT_REPAIR,
	}

	agreements := make([]*psdb.Agreement, len(actions))
	for i, action := range actions {
		pba, err := testbwagreement.GenerateOrderLimit(action, satID, upID, time.Hour)
		require.NoError(t, err)
		err = db.CertDB().SavePublicKey(ctx, pba.UplinkId, upID.Leaf.PublicKey)
		assert.NoError(t, err)
		rba, err := testbwagreement.GenerateOrder(pba, snID.ID, upID, 1000)
		require.NoError(t, err)
		agreements[i] = &psdb.Agreement{Agreement: *rba}
	}

	sender.SettleAgreements(ctx, satID.ID, agreements)
}