// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import { Destination, DestinationErrorType, DestinationOrigin, DestinationState, DestinationStoreEventType, Error, GooglePromotedDestinationId, makeRecentDestination, NativeLayerImpl, NUM_PERSISTED_DESTINATIONS, State } from 'chrome://print/print_preview.js';
import { assert } from 'chrome://resources/js/assert.m.js';
import { flush } from 'chrome://resources/polymer/v3_0/polymer/polymer_bundled.min.js';
import { assertEquals, assertFalse, assertTrue } from 'chrome://webui-test/chai_assert.js';
import { eventToPromise, fakeDataBind, waitBeforeNextRender } from 'chrome://webui-test/test_util.js';
// 
import { NativeLayerStub } from './native_layer_stub.js';
import { getDestinations, getSaveAsPdfDestination, setupTestListenerElement } from './print_preview_test_utils.js';
// 
const destination_settings_test = {
    suiteName: 'DestinationSettingsTest',
    TestNames: {
        ChangeDropdownState: 'change dropdown state',
        NoRecentDestinations: 'no recent destinations',
        RecentDestinations: 'recent destinations',
        RecentDestinationsMissing: 'recent destinations missing',
        SaveAsPdfRecent: 'save as pdf recent',
        // 
        SelectSaveAsPdf: 'select save as pdf',
        // 
        SelectRecentDestination: 'select recent destination',
        OpenDialog: 'open dialog',
        UpdateRecentDestinations: 'update recent destinations',
        DisabledSaveAsPdf: 'disabled save as pdf',
        NoDestinations: 'no destinations',
        // 
    },
};
Object.assign(window, { destination_settings_test: destination_settings_test });
suite(destination_settings_test.suiteName, function () {
    let destinationSettings;
    let nativeLayer;
    // 
    let recentDestinations = [];
    let localDestinations = [];
    let destinations = [];
    const extraDestinations = [];
    let pdfPrinterDisabled = false;
    let isDriveMounted = true;
    // 
    suiteSetup(function () {
        setupTestListenerElement();
    });
    setup(function () {
        document.body.innerHTML = '';
        // Stub out native layer.
        nativeLayer = new NativeLayerStub();
        NativeLayerImpl.setInstance(nativeLayer);
        // 
        localDestinations = [];
        destinations = getDestinations(localDestinations);
        // Add some extra destinations.
        for (let i = 0; i < NUM_PERSISTED_DESTINATIONS; i++) {
            const id = `e${i}`;
            const name = `n${i}`;
            localDestinations.push({ deviceName: id, printerName: name });
            extraDestinations.push(new Destination(id, getLocalOrigin(), name));
        }
        nativeLayer.setLocalDestinations(localDestinations);
        const model = document.createElement('print-preview-model');
        document.body.appendChild(model);
        destinationSettings =
            document.createElement('print-preview-destination-settings');
        destinationSettings.settings = model.settings;
        destinationSettings.state = State.NOT_READY;
        destinationSettings.disabled = true;
        fakeDataBind(model, destinationSettings, 'settings');
        document.body.appendChild(destinationSettings);
    });
    // Tests that the dropdown is enabled or disabled correctly based on
    // the state.
    test(assert(destination_settings_test.TestNames.ChangeDropdownState), function () {
        const dropdown = destinationSettings.$.destinationSelect;
        // Initial state: No destination store means that there is no
        // destination yet.
        assertFalse(dropdown.loaded);
        // Set up the destination store, but no destination yet. Dropdown is
        // still not loaded.
        destinationSettings.init('FooDevice' /* printerName */, false /* pdfPrinterDisabled */, isDriveMounted, '' /* serializedDefaultDestinationSelectionRulesStr */);
        assertFalse(dropdown.loaded);
        return eventToPromise(DestinationStoreEventType
            .SELECTED_DESTINATION_CAPABILITIES_READY, destinationSettings.getDestinationStoreForTest())
            .then(() => {
            // The capabilities ready event results in |destinationState|
            // changing to SELECTED, which enables and shows the dropdown even
            // though |state| has not yet transitioned to READY. This is to
            // prevent brief losses of focus when the destination changes.
            assertFalse(dropdown.disabled);
            assertTrue(dropdown.loaded);
            destinationSettings.state = State.READY;
            destinationSettings.disabled = false;
            // Simulate setting a setting to an invalid value. Dropdown is
            // disabled due to validation error on another control.
            destinationSettings.state = State.ERROR;
            destinationSettings.disabled = true;
            assertTrue(dropdown.disabled);
            // Simulate the user fixing the validation error, and then
            // selecting an invalid printer. Dropdown is enabled, so that the
            // user can fix the error.
            destinationSettings.state = State.READY;
            destinationSettings.disabled = false;
            destinationSettings.getDestinationStoreForTest().dispatchEvent(new CustomEvent(DestinationStoreEventType.ERROR, { detail: DestinationErrorType.INVALID }));
            flush();
            assertEquals(DestinationState.ERROR, destinationSettings.destinationState);
            assertEquals(Error.INVALID_PRINTER, destinationSettings.error);
            destinationSettings.state = State.ERROR;
            destinationSettings.disabled = true;
            assertFalse(dropdown.disabled);
            // Simulate the user having no printers.
            destinationSettings.getDestinationStoreForTest().dispatchEvent(new CustomEvent(DestinationStoreEventType.ERROR, { detail: DestinationErrorType.NO_DESTINATIONS }));
            flush();
            assertEquals(DestinationState.ERROR, destinationSettings.destinationState);
            assertEquals(Error.NO_DESTINATIONS, destinationSettings.error);
            destinationSettings.state = State.FATAL_ERROR;
            destinationSettings.disabled = true;
            assertTrue(dropdown.disabled);
        });
    });
    function getLocalOrigin() {
        // 
        // 
        return DestinationOrigin.LOCAL;
        // 
    }
    // 
    /**
     * Initializes the destination store and destination settings using
     * |destinations| and |recentDestinations|.
     */
    function initialize() {
        // Initialize destination settings.
        destinationSettings.setSetting('recentDestinations', recentDestinations);
        destinationSettings.init('' /* printerName */, pdfPrinterDisabled, isDriveMounted, '' /* serializedDefaultDestinationSelectionRulesStr */);
        destinationSettings.state = State.READY;
        destinationSettings.disabled = false;
    }
    /**
     * @param id The id of the local destination.
     * @return The key corresponding to the local destination, with the
     *     origin set correctly based on the platform.
     */
    function makeLocalDestinationKey(id) {
        return id + '/' + getLocalOrigin() + '/';
    }
    /**
     * @param expectedDestinations An array of the expected
     *     destinations in the dropdown.
     */
    function assertDropdownItems(expectedDestinations) {
        const options = destinationSettings.$.destinationSelect.getVisibleItemsForTest();
        assertEquals(expectedDestinations.length + 1, options.length);
        expectedDestinations.forEach((expectedValue, index) => {
            assertEquals(expectedValue, options[index].value);
        });
        assertEquals('seeMore', options[expectedDestinations.length].value);
    }
    // Tests that the dropdown contains the appropriate destinations when there
    // are no recent destinations.
    test(assert(destination_settings_test.TestNames.NoRecentDestinations), function () {
        initialize();
        return nativeLayer.whenCalled('getPrinterCapabilities').then(() => {
            // This will result in the destination store setting the Save as
            // PDF destination.
            assertEquals(GooglePromotedDestinationId.SAVE_AS_PDF, destinationSettings.destination.id);
            assertFalse(destinationSettings.$.destinationSelect.disabled);
            const dropdownItems = [
                'Save as PDF/local/',
                // 
            ];
            assertDropdownItems(dropdownItems);
        });
    });
    // Tests that the dropdown contains the appropriate destinations when there
    // are 5 recent destinations.
    test(assert(destination_settings_test.TestNames.RecentDestinations), function () {
        recentDestinations = destinations.slice(0, 5).map(destination => makeRecentDestination(destination));
        const whenCapabilitiesDone = nativeLayer.whenCalled('getPrinterCapabilities');
        initialize();
        // Wait for the destinations to be inserted into the store.
        return whenCapabilitiesDone
            .then(() => {
            return waitBeforeNextRender(destinationSettings);
        })
            .then(() => {
            // This will result in the destination store setting the most
            // recent destination.
            assertEquals('ID1', destinationSettings.destination.id);
            assertFalse(destinationSettings.$.destinationSelect.disabled);
            const dropdownItems = [
                makeLocalDestinationKey('ID1'), makeLocalDestinationKey('ID2'),
                makeLocalDestinationKey('ID3'), 'Save as PDF/local/',
                // 
            ];
            assertDropdownItems(dropdownItems);
        });
    });
    // Tests that the dropdown contains the appropriate destinations when one of
    // the destinations can no longer be found.
    test(assert(destination_settings_test.TestNames.RecentDestinationsMissing), function () {
        recentDestinations = destinations.slice(0, 5).map(destination => makeRecentDestination(destination));
        localDestinations.splice(1, 1);
        nativeLayer.setLocalDestinations(localDestinations);
        const whenCapabilitiesDone = nativeLayer.whenCalled('getPrinterCapabilities');
        initialize();
        // Wait for the destinations to be inserted into the store.
        return whenCapabilitiesDone
            .then(() => {
            return waitBeforeNextRender(destinationSettings);
        })
            .then(() => {
            // This will result in the destination store setting the most
            // recent destination.
            assertEquals('ID1', destinationSettings.destination.id);
            assertFalse(destinationSettings.$.destinationSelect.disabled);
            const dropdownItems = [
                makeLocalDestinationKey('ID1'), makeLocalDestinationKey('ID3'),
                'Save as PDF/local/',
                // 
            ];
            assertDropdownItems(dropdownItems);
        });
    });
    // Tests that the dropdown contains the appropriate destinations when Save
    // as PDF is one of the recent destinations.
    test(assert(destination_settings_test.TestNames.SaveAsPdfRecent), function () {
        recentDestinations = destinations.slice(0, 5).map(destination => makeRecentDestination(destination));
        recentDestinations.splice(1, 1, makeRecentDestination(getSaveAsPdfDestination()));
        const whenCapabilitiesDone = nativeLayer.whenCalled('getPrinterCapabilities');
        initialize();
        return whenCapabilitiesDone
            .then(() => {
            return waitBeforeNextRender(destinationSettings);
        })
            .then(() => {
            // This will result in the destination store setting the most recent
            // destination.
            assertEquals('ID1', destinationSettings.destination.id);
            assertFalse(destinationSettings.$.destinationSelect.disabled);
            const dropdownItems = [
                makeLocalDestinationKey('ID1'), makeLocalDestinationKey('ID3'),
                makeLocalDestinationKey('ID4'), 'Save as PDF/local/',
                // 
            ];
            assertDropdownItems(dropdownItems);
        });
    });
    // 
    // Tests that selecting the Save as PDF destination results in the
    // DESTINATION_SELECT event firing, with Save as PDF set as the current
    // destination.
    test(assert(destination_settings_test.TestNames.SelectSaveAsPdf), function () {
        recentDestinations = destinations.slice(0, 5).map(destination => makeRecentDestination(destination));
        recentDestinations.splice(1, 1, makeRecentDestination(getSaveAsPdfDestination()));
        const whenCapabilitiesDone = nativeLayer.whenCalled('getPrinterCapabilities');
        initialize();
        const dropdown = destinationSettings.$.destinationSelect;
        return whenCapabilitiesDone
            .then(() => {
            return waitBeforeNextRender(destinationSettings);
        })
            .then(() => {
            // This will result in the destination store setting the most recent
            // destination.
            assertEquals('ID1', destinationSettings.destination.id);
            assertFalse(dropdown.disabled);
            const dropdownItems = [
                makeLocalDestinationKey('ID1'), makeLocalDestinationKey('ID3'),
                makeLocalDestinationKey('ID4'), 'Save as PDF/local/',
                // 
            ];
            assertDropdownItems(dropdownItems);
            // Most recent destination is selected by default.
            assertEquals('ID1', destinationSettings.destination.id);
            // Simulate selection of Save as PDF printer.
            const whenDestinationSelect = eventToPromise(DestinationStoreEventType.DESTINATION_SELECT, destinationSettings.getDestinationStoreForTest());
            dropdown.dispatchEvent(new CustomEvent('selected-option-change', { bubbles: true, composed: true, detail: 'Save as PDF/local/' }));
            // Ensure this fires the destination select event.
            return whenDestinationSelect;
        })
            .then(() => {
            assertEquals(GooglePromotedDestinationId.SAVE_AS_PDF, destinationSettings.destination.id);
        });
    });
    // 
    // Tests that selecting a recent destination results in the
    // DESTINATION_SELECT event firing, with the recent destination set as the
    // current destination.
    test(assert(destination_settings_test.TestNames.SelectRecentDestination), function () {
        recentDestinations = destinations.slice(0, 5).map(destination => makeRecentDestination(destination));
        const whenCapabilitiesDone = nativeLayer.whenCalled('getPrinterCapabilities');
        initialize();
        const dropdown = destinationSettings.$.destinationSelect;
        return whenCapabilitiesDone
            .then(() => {
            return waitBeforeNextRender(destinationSettings);
        })
            .then(() => {
            // This will result in the destination store setting the most
            // recent destination.
            assertEquals('ID1', destinationSettings.destination.id);
            assertFalse(dropdown.disabled);
            const dropdownItems = [
                makeLocalDestinationKey('ID1'), makeLocalDestinationKey('ID2'),
                makeLocalDestinationKey('ID3'), 'Save as PDF/local/',
                // 
            ];
            assertDropdownItems(dropdownItems);
            // Simulate selection of Save as PDF printer.
            const whenDestinationSelect = eventToPromise(DestinationStoreEventType.DESTINATION_SELECT, destinationSettings.getDestinationStoreForTest());
            dropdown.dispatchEvent(new CustomEvent('selected-option-change', {
                bubbles: true,
                composed: true,
                detail: makeLocalDestinationKey('ID2'),
            }));
            return whenDestinationSelect;
        })
            .then(() => {
            assertEquals('ID2', destinationSettings.destination.id);
        });
    });
    // Tests that selecting the 'see more' option opens the dialog.
    test(assert(destination_settings_test.TestNames.OpenDialog), function () {
        recentDestinations = destinations.slice(0, 5).map(destination => makeRecentDestination(destination));
        const whenCapabilitiesDone = nativeLayer.whenCalled('getPrinterCapabilities');
        initialize();
        const dropdown = destinationSettings.$.destinationSelect;
        return whenCapabilitiesDone
            .then(() => {
            return waitBeforeNextRender(destinationSettings);
        })
            .then(() => {
            // This will result in the destination store setting the most recent
            // destination.
            assertEquals('ID1', destinationSettings.destination.id);
            assertFalse(dropdown.disabled);
            const dropdownItems = [
                makeLocalDestinationKey('ID1'), makeLocalDestinationKey('ID2'),
                makeLocalDestinationKey('ID3'), 'Save as PDF/local/',
                // 
            ];
            assertDropdownItems(dropdownItems);
            dropdown.dispatchEvent(new CustomEvent('selected-option-change', { bubbles: true, composed: true, detail: 'seeMore' }));
            return waitBeforeNextRender(destinationSettings);
        })
            .then(() => {
            assertTrue(destinationSettings.$.destinationDialog.get().isOpen());
        });
    });
    /**
     * @param expectedDestinationIds An array of the expected
     *     recent destination ids.
     */
    function assertRecentDestinations(expectedDestinationIds) {
        const recentDestinations = destinationSettings.getSettingValue('recentDestinations');
        assertEquals(expectedDestinationIds.length, recentDestinations.length);
        expectedDestinationIds.forEach((expectedId, index) => {
            assertEquals(expectedId, recentDestinations[index].id);
        });
    }
    function selectDestination(destination) {
        const storeDestination = destinationSettings.getDestinationStoreForTest().destinations().find(d => d.key === destination.key);
        destinationSettings.getDestinationStoreForTest().selectDestination(assert(storeDestination));
        flush();
    }
    /**
     * Tests that the destination being set correctly updates the recent
     * destinations array.
     */
    test(assert(destination_settings_test.TestNames.UpdateRecentDestinations), function () {
        // Recent destinations start out empty.
        assertRecentDestinations([]);
        assertEquals(0, nativeLayer.getCallCount('getPrinterCapabilities'));
        initialize();
        return nativeLayer.whenCalled('getPrinterCapabilities')
            .then(() => {
            assertRecentDestinations(['Save as PDF']);
            assertEquals(1, nativeLayer.getCallCount('getPrinterCapabilities'));
            // Add printers to store.
            nativeLayer.resetResolver('getPrinterCapabilities');
            destinationSettings.getDestinationStoreForTest()
                .startLoadAllDestinations();
            return nativeLayer.whenCalled('getPrinters');
        })
            .then(() => {
            // Simulate setting a destination from the dialog.
            selectDestination(destinations[0]);
            return nativeLayer.whenCalled('getPrinterCapabilities');
        })
            .then(() => {
            assertRecentDestinations(['ID1', 'Save as PDF']);
            assertEquals(1, nativeLayer.getCallCount('getPrinterCapabilities'));
            // Reselect a recent destination. Still 2 destinations, but in a
            // different order.
            nativeLayer.resetResolver('getPrinterCapabilities');
            destinationSettings.$.destinationSelect.dispatchEvent(new CustomEvent('selected-option-change', {
                bubbles: true,
                composed: true,
                detail: 'Save as PDF/local/',
            }));
            flush();
            assertRecentDestinations(['Save as PDF', 'ID1']);
            // No additional capabilities call, since the destination was
            // previously selected.
            assertEquals(0, nativeLayer.getCallCount('getPrinterCapabilities'));
            // Select a third destination.
            selectDestination(destinations[1]);
            return nativeLayer.whenCalled('getPrinterCapabilities');
        })
            .then(() => {
            assertRecentDestinations(['ID2', 'Save as PDF', 'ID1']);
            assertEquals(1, nativeLayer.getCallCount('getPrinterCapabilities'));
            nativeLayer.resetResolver('getPrinterCapabilities');
            // Fill recent destinations up to the cap, then add a couple
            // more destinations. Make sure the length of the list does not
            // exceed NUM_PERSISTED_DESTINATIONS.
            const whenCapabilitiesDone = nativeLayer.waitForMultipleCapabilities(NUM_PERSISTED_DESTINATIONS);
            for (const destination of extraDestinations) {
                selectDestination(destination);
            }
            return whenCapabilitiesDone;
        })
            .then(() => {
            assertRecentDestinations(extraDestinations.map(dest => dest.id).reverse());
            assertEquals(NUM_PERSISTED_DESTINATIONS, nativeLayer.getCallCount('getPrinterCapabilities'));
        });
    });
    // Tests that disabling the Save as PDF destination hides the corresponding
    // dropdown item.
    test(assert(destination_settings_test.TestNames.DisabledSaveAsPdf), function () {
        // Initialize destination settings with the PDF printer disabled.
        pdfPrinterDisabled = true;
        initialize();
        return nativeLayer.whenCalled('getPrinterCapabilities')
            .then(() => {
            return waitBeforeNextRender(destinationSettings);
        })
            .then(() => {
            // Because the 'Save as PDF' fallback is unavailable, the first
            // destination is selected.
            const expectedDestination = 
            // 
            // 
            makeLocalDestinationKey('ID1');
            // 
            assertDropdownItems([expectedDestination]);
        });
    });
    // Tests that disabling the 'Save as PDF' destination and exposing no
    // printers to the native layer results in a 'No destinations' option in the
    // dropdown.
    test(assert(destination_settings_test.TestNames.NoDestinations), function () {
        nativeLayer.setLocalDestinations([]);
        // Initialize destination settings with the PDF printer disabled.
        pdfPrinterDisabled = true;
        isDriveMounted = false;
        initialize();
        // 'getPrinters' will be called because there are no printers known to
        // the destination store and the 'Save as PDF' fallback is
        // unavailable.
        return Promise
            .all([
            nativeLayer.whenCalled('getPrinters'),
            // TODO (rbpotter): remove this wait once user manager is fully
            // removed.
            waitBeforeNextRender(destinationSettings),
        ])
            .then(() => assertDropdownItems(['noDestinations']));
    });
    // 
});