package mysql

import (
	"context"
	"testing"
	"time"

	"github.com/fleetdm/fleet/v4/server/fleet"
	"github.com/fleetdm/fleet/v4/server/test"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestDelete(t *testing.T) {
	ds := CreateMySQLDS(t)

	cases := []struct {
		name string
		fn   func(t *testing.T, ds *Datastore)
	}{
		{"Entity", testDeleteEntity},
		{"EntityByName", testDeleteEntityByName},
		{"Entities", testDeleteEntities},
	}
	for _, c := range cases {
		t.Run(c.name, func(t *testing.T) {
			c.fn(t, ds)
		})
	}
}

func testDeleteEntity(t *testing.T, ds *Datastore) {
	defer TruncateTables(t, ds)

	host, err := ds.NewHost(context.Background(), &fleet.Host{
		DetailUpdatedAt: time.Now(),
		LabelUpdatedAt:  time.Now(),
		PolicyUpdatedAt: time.Now(),
		SeenTime:        time.Now(),
		NodeKey:         t.Name() + "1",
		UUID:            t.Name() + "1",
		OsqueryHostID:   t.Name(),
		Hostname:        t.Name() + "foo.local",
		PrimaryIP:       "192.168.1.1",
		PrimaryMac:      "30-65-EC-6F-C4-58",
	})
	require.NoError(t, err)
	require.NotNil(t, host)

	require.NoError(t, ds.deleteEntity(context.Background(), hostsTable, host.ID))

	host, err = ds.Host(context.Background(), host.ID)
	require.Error(t, err)
	assert.Nil(t, host)
}

func testDeleteEntityByName(t *testing.T, ds *Datastore) {
	defer TruncateTables(t, ds)

	query1 := test.NewQuery(t, ds, t.Name()+"time", "select * from time", 0, true)

	require.NoError(t, ds.deleteEntityByName(context.Background(), queriesTable, query1.Name))

	gotQ, err := ds.Query(context.Background(), query1.ID)
	require.Error(t, err)
	assert.Nil(t, gotQ)
}

func testDeleteEntities(t *testing.T, ds *Datastore) {
	defer TruncateTables(t, ds)

	query1 := test.NewQuery(t, ds, t.Name()+"time1", "select * from time", 0, true)
	query2 := test.NewQuery(t, ds, t.Name()+"time2", "select * from time", 0, true)
	query3 := test.NewQuery(t, ds, t.Name()+"time3", "select * from time", 0, true)

	count, err := ds.deleteEntities(context.Background(), queriesTable, []uint{query1.ID, query2.ID})
	require.NoError(t, err)
	assert.Equal(t, uint(2), count)

	gotQ, err := ds.Query(context.Background(), query1.ID)
	require.Error(t, err)
	assert.Nil(t, gotQ)

	gotQ, err = ds.Query(context.Background(), query2.ID)
	require.Error(t, err)
	assert.Nil(t, gotQ)

	gotQ, err = ds.Query(context.Background(), query3.ID)
	require.NoError(t, err)
	assert.Equal(t, query3.ID, gotQ.ID)
}