package backup

import (
	"testing"

	"github.com/spf13/cobra"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
	"github.com/stretchr/testify/suite"

	"github.com/alcionai/corso/src/cli/utils"
	"github.com/alcionai/corso/src/cli/utils/testdata"
	"github.com/alcionai/corso/src/internal/tester"
)

type ExchangeSuite struct {
	suite.Suite
}

func TestExchangeSuite(t *testing.T) {
	suite.Run(t, new(ExchangeSuite))
}

func (suite *ExchangeSuite) TestAddExchangeCommands() {
	expectUse := exchangeServiceCommand

	table := []struct {
		name        string
		use         string
		expectUse   string
		expectShort string
		expectRunE  func(*cobra.Command, []string) error
	}{
		{
			"create exchange", createCommand, expectUse + " " + exchangeServiceCommandCreateUseSuffix,
			exchangeCreateCmd().Short, createExchangeCmd,
		},
		{
			"list exchange", listCommand, expectUse,
			exchangeListCmd().Short, listExchangeCmd,
		},
		{
			"details exchange", detailsCommand, expectUse + " " + exchangeServiceCommandDetailsUseSuffix,
			exchangeDetailsCmd().Short, detailsExchangeCmd,
		},
		{
			"delete exchange", deleteCommand, expectUse + " " + exchangeServiceCommandDeleteUseSuffix,
			exchangeDeleteCmd().Short, deleteExchangeCmd,
		},
	}
	for _, test := range table {
		suite.T().Run(test.name, func(t *testing.T) {
			cmd := &cobra.Command{Use: test.use}

			c := addExchangeCommands(cmd)
			require.NotNil(t, c)

			cmds := cmd.Commands()
			require.Len(t, cmds, 1)

			child := cmds[0]
			assert.Equal(t, test.expectUse, child.Use)
			assert.Equal(t, test.expectShort, child.Short)
			tester.AreSameFunc(t, test.expectRunE, child.RunE)
		})
	}
}

func (suite *ExchangeSuite) TestValidateBackupCreateFlags() {
	table := []struct {
		name       string
		user, data []string
		expect     assert.ErrorAssertionFunc
	}{
		{
			name:   "no users or data",
			expect: assert.Error,
		},
		{
			name:   "no users only data",
			data:   []string{dataEmail},
			expect: assert.Error,
		},
		{
			name:   "unrecognized data category",
			user:   []string{"fnord"},
			data:   []string{"smurfs"},
			expect: assert.Error,
		},
		{
			name:   "only users no data",
			user:   []string{"fnord"},
			expect: assert.NoError,
		},
	}
	for _, test := range table {
		suite.T().Run(test.name, func(t *testing.T) {
			test.expect(t, validateExchangeBackupCreateFlags(test.user, test.data))
		})
	}
}

func (suite *ExchangeSuite) TestExchangeBackupCreateSelectors() {
	table := []struct {
		name             string
		user, data       []string
		expectIncludeLen int
	}{
		{
			name:             "default: one of each category, all None() matchers",
			expectIncludeLen: 3,
		},
		{
			name:             "any users, no data",
			user:             []string{utils.Wildcard},
			expectIncludeLen: 3,
		},
		{
			name:             "single user, no data",
			user:             []string{"u1"},
			expectIncludeLen: 3,
		},
		{
			name:             "any users, contacts",
			user:             []string{utils.Wildcard},
			data:             []string{dataContacts},
			expectIncludeLen: 1,
		},
		{
			name:             "single user, contacts",
			user:             []string{"u1"},
			data:             []string{dataContacts},
			expectIncludeLen: 1,
		},
		{
			name:             "any users, email",
			user:             []string{utils.Wildcard},
			data:             []string{dataEmail},
			expectIncludeLen: 1,
		},
		{
			name:             "single user, email",
			user:             []string{"u1"},
			data:             []string{dataEmail},
			expectIncludeLen: 1,
		},
		{
			name:             "any users, events",
			user:             []string{utils.Wildcard},
			data:             []string{dataEvents},
			expectIncludeLen: 1,
		},
		{
			name:             "single user, events",
			user:             []string{"u1"},
			data:             []string{dataEvents},
			expectIncludeLen: 1,
		},
		{
			name:             "any users, contacts + email",
			user:             []string{utils.Wildcard},
			data:             []string{dataContacts, dataEmail},
			expectIncludeLen: 2,
		},
		{
			name:             "single user, contacts + email",
			user:             []string{"u1"},
			data:             []string{dataContacts, dataEmail},
			expectIncludeLen: 2,
		},
		{
			name:             "any users, email + events",
			user:             []string{utils.Wildcard},
			data:             []string{dataEmail, dataEvents},
			expectIncludeLen: 2,
		},
		{
			name:             "single user, email + events",
			user:             []string{"u1"},
			data:             []string{dataEmail, dataEvents},
			expectIncludeLen: 2,
		},
		{
			name:             "any users, events + contacts",
			user:             []string{utils.Wildcard},
			data:             []string{dataEvents, dataContacts},
			expectIncludeLen: 2,
		},
		{
			name:             "single user, events + contacts",
			user:             []string{"u1"},
			data:             []string{dataEvents, dataContacts},
			expectIncludeLen: 2,
		},
		{
			name:             "many users, events",
			user:             []string{"fnord", "smarf"},
			data:             []string{dataEvents},
			expectIncludeLen: 1,
		},
		{
			name:             "many users, events + contacts",
			user:             []string{"fnord", "smarf"},
			data:             []string{dataEvents, dataContacts},
			expectIncludeLen: 2,
		},
	}
	for _, test := range table {
		suite.T().Run(test.name, func(t *testing.T) {
			sel := exchangeBackupCreateSelectors(test.user, test.data)
			assert.Equal(t, test.expectIncludeLen, len(sel.Includes))
		})
	}
}

func (suite *ExchangeSuite) TestExchangeBackupDetailsSelectors() {
	ctx, flush := tester.NewContext()
	defer flush()

	for _, test := range testdata.ExchangeOptionDetailLookups {
		suite.T().Run(test.Name, func(t *testing.T) {
			output, err := runDetailsExchangeCmd(
				ctx,
				test.BackupGetter,
				"backup-ID",
				test.Opts)
			assert.NoError(t, err.Err(), "failure")
			assert.Empty(t, err.Errs(), "recovered errors")
			assert.ElementsMatch(t, test.Expected, output.Entries)
		})
	}
}

func (suite *ExchangeSuite) TestExchangeBackupDetailsSelectorsBadFormats() {
	ctx, flush := tester.NewContext()
	defer flush()

	for _, test := range testdata.BadExchangeOptionsFormats {
		suite.T().Run(test.Name, func(t *testing.T) {
			output, err := runDetailsExchangeCmd(
				ctx,
				test.BackupGetter,
				"backup-ID",
				test.Opts)
			assert.Error(t, err.Err(), "failure")
			assert.Empty(t, err.Errs(), "recovered errors")
			assert.Empty(t, output)
		})
	}
}