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

package rollup_test

import (
	"testing"
	"time"

	"github.com/stretchr/testify/assert"

	"storj.io/storj/internal/testcontext"
	"storj.io/storj/internal/testplanet"
	"storj.io/storj/pkg/storj"
)

func TestQuery(t *testing.T) {
	testplanet.Run(t, testplanet.Config{
		SatelliteCount: 1, StorageNodeCount: 10, UplinkCount: 0,
	}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
		days := 5
		atRest := float64(5000)
		bw := []int64{1000, 2000, 3000, 4000}

		nodeData, bwTotals := createData(planet, atRest, bw)

		// Set timestamp back by the number of days we want to save
		timestamp := time.Now().UTC().AddDate(0, 0, -1*days)
		start := timestamp

		for i := 0; i <= days; i++ {
			err := planet.Satellites[0].DB.Accounting().SaveAtRestRaw(ctx, timestamp, timestamp, nodeData)
			assert.NoError(t, err)

			err = planet.Satellites[0].DB.Accounting().SaveBWRaw(ctx, timestamp, timestamp, bwTotals)
			assert.NoError(t, err)

			err = planet.Satellites[0].Accounting.Rollup.Query(ctx)
			assert.NoError(t, err)

			// Advance time by 24 hours
			timestamp = timestamp.Add(time.Hour * 24)
			end := timestamp

			// rollup.Query cuts off the hr/min/sec before saving, we need to do the same when querying
			start = time.Date(start.Year(), start.Month(), start.Day(), 0, 0, 0, 0, start.Location())
			end = time.Date(end.Year(), end.Month(), end.Day(), 0, 0, 0, 0, end.Location())

			rows, err := planet.Satellites[0].DB.Accounting().QueryPaymentInfo(ctx, start, end)
			assert.NoError(t, err)
			if i == 0 { // we need at least two days for rollup to work
				assert.Equal(t, 0, len(rows))
				continue
			}
			// the number of rows should be number of nodes
			assert.Equal(t, len(planet.StorageNodes), len(rows))

			// verify data is correct
			for _, r := range rows {
				i := int64(i)
				assert.Equal(t, i*bw[0], r.PutTotal)
				assert.Equal(t, i*bw[1], r.GetTotal)
				assert.Equal(t, i*bw[2], r.GetAuditTotal)
				assert.Equal(t, i*bw[3], r.GetRepairTotal)
				assert.Equal(t, float64(i)*atRest, r.AtRestTotal)
				assert.NotNil(t, nodeData[r.NodeID])
				assert.NotEmpty(t, r.Wallet)
			}
		}
	})
}

func createData(planet *testplanet.Planet, atRest float64, bw []int64) (nodeData map[storj.NodeID]float64, bwTotals map[storj.NodeID][]int64) {
	nodeData = make(map[storj.NodeID]float64)
	bwTotals = make(map[storj.NodeID][]int64)
	for _, n := range planet.StorageNodes {
		id := n.Identity.ID
		nodeData[id] = atRest
		bwTotals[id] = bw
	}
	return nodeData, bwTotals
}