import { DeletionResult } from '@vendure/common/lib/generated-types';
import { createTestEnvironment } from '@vendure/testing';
import path from 'path';
import { afterAll, beforeAll, describe, expect, it } from 'vitest';

import { initialData } from '../../../e2e-common/e2e-initial-data';
import { TEST_SETUP_TIMEOUT_MS, testConfig } from '../../../e2e-common/test-config';

import { ResultOf } from './graphql/graphql-admin';
import {
    addMembersToZoneDocument,
    createZoneDocument,
    deleteZoneDocument,
    getActiveChannelWithZoneMembersDocument,
    getCountryListDocument,
    getZoneDocument,
    getZonesDocument,
    removeMembersFromZoneDocument,
    updateChannelDocument,
    updateZoneDocument,
} from './graphql/shared-definitions';

/* eslint-disable @typescript-eslint/no-non-null-assertion */

describe('Zone resolver', () => {
    const { server, adminClient } = createTestEnvironment(testConfig());
    let countries: ResultOf<typeof getCountryListDocument>['countries']['items'];
    let zones: Array<{ id: string; name: string }>;
    let oceania: { id: string; name: string };
    let pangaea: ResultOf<typeof createZoneDocument>['createZone'];

    beforeAll(async () => {
        await server.init({
            initialData,
            productsCsvPath: path.join(__dirname, 'fixtures/e2e-products-minimal.csv'),
            customerCount: 1,
        });
        await adminClient.asSuperAdmin();

        const result = await adminClient.query(getCountryListDocument, {});
        countries = result.countries.items;
    }, TEST_SETUP_TIMEOUT_MS);

    afterAll(async () => {
        await server.destroy();
    });

    it('zones', async () => {
        const result = await adminClient.query(getZonesDocument);
        expect(result.zones.items.length).toBe(5);
        zones = result.zones.items;
        oceania = zones[0];
    });

    it('zone', async () => {
        const result = await adminClient.query(getZoneDocument, {
            id: oceania.id,
        });

        expect(result.zone!.name).toBe('Oceania');
    });

    it('zone.members field resolver', async () => {
        const { activeChannel } = await adminClient.query(getActiveChannelWithZoneMembersDocument);

        expect(activeChannel.defaultShippingZone?.members.length).toBe(2);
    });

    it('updateZone', async () => {
        const result = await adminClient.query(updateZoneDocument, {
            input: {
                id: oceania.id,
                name: 'oceania2',
            },
        });

        expect(result.updateZone.name).toBe('oceania2');
    });

    it('createZone', async () => {
        const result = await adminClient.query(createZoneDocument, {
            input: {
                name: 'Pangaea',
                memberIds: [countries[0].id, countries[1].id],
            },
        });

        pangaea = result.createZone;
        expect(pangaea.name).toBe('Pangaea');
        expect(pangaea.members.map(m => m.name)).toEqual([countries[0].name, countries[1].name]);
    });

    it('addMembersToZone', async () => {
        const result = await adminClient.query(addMembersToZoneDocument, {
            zoneId: oceania.id,
            memberIds: [countries[2].id, countries[3].id],
        });

        expect(!!result.addMembersToZone.members.find(m => m.name === countries[2].name)).toBe(true);
        expect(!!result.addMembersToZone.members.find(m => m.name === countries[3].name)).toBe(true);
    });

    it('removeMembersFromZone', async () => {
        const result = await adminClient.query(removeMembersFromZoneDocument, {
            zoneId: oceania.id,
            memberIds: [countries[0].id, countries[2].id],
        });

        expect(!!result.removeMembersFromZone.members.find(m => m.name === countries[0].name)).toBe(false);
        expect(!!result.removeMembersFromZone.members.find(m => m.name === countries[2].name)).toBe(false);
        expect(!!result.removeMembersFromZone.members.find(m => m.name === countries[3].name)).toBe(true);
    });

    describe('deletion', () => {
        it('deletes Zone not used in any TaxRate', async () => {
            const result1 = await adminClient.query(deleteZoneDocument, {
                id: pangaea.id,
            });

            expect(result1.deleteZone).toEqual({
                result: DeletionResult.DELETED,
                message: '',
            });

            const result2 = await adminClient.query(getZonesDocument);
            expect(result2.zones.items.find(c => c.id === pangaea.id)).toBeUndefined();
        });

        it('does not delete Zone that is used in one or more TaxRates', async () => {
            const result1 = await adminClient.query(deleteZoneDocument, {
                id: oceania.id,
            });

            expect(result1.deleteZone).toEqual({
                result: DeletionResult.NOT_DELETED,
                message:
                    'The selected Zone cannot be deleted as it is used in the following ' +
                    'TaxRates: Standard Tax Oceania, Reduced Tax Oceania, Zero Tax Oceania',
            });

            const result2 = await adminClient.query(getZonesDocument);
            expect(result2.zones.items.find(c => c.id === oceania.id)).not.toBeUndefined();
        });

        it('does not delete Zone that is used as a Channel defaultTaxZone', async () => {
            await adminClient.query(updateChannelDocument, {
                input: {
                    id: 'T_1',
                    defaultTaxZoneId: oceania.id,
                },
            });

            const result1 = await adminClient.query(deleteZoneDocument, {
                id: oceania.id,
            });

            expect(result1.deleteZone).toEqual({
                result: DeletionResult.NOT_DELETED,
                message:
                    'The selected Zone cannot be deleted as it used as a default in the following Channels: ' +
                    '__default_channel__',
            });

            const result2 = await adminClient.query(getZonesDocument);
            expect(result2.zones.items.find(c => c.id === oceania.id)).not.toBeUndefined();
        });

        it('does not delete Zone that is used as a Channel defaultShippingZone', async () => {
            await adminClient.query(updateChannelDocument, {
                input: {
                    id: 'T_1',
                    defaultTaxZoneId: 'T_1',
                    defaultShippingZoneId: oceania.id,
                },
            });

            const result1 = await adminClient.query(deleteZoneDocument, {
                id: oceania.id,
            });

            expect(result1.deleteZone).toEqual({
                result: DeletionResult.NOT_DELETED,
                message:
                    'The selected Zone cannot be deleted as it used as a default in the following Channels: ' +
                    '__default_channel__',
            });

            const result2 = await adminClient.query(getZonesDocument);
            expect(result2.zones.items.find(c => c.id === oceania.id)).not.toBeUndefined();
        });
    });
});