import {authenticateSession} from 'ember-simple-auth/test-support';
import {click, currentURL, fillIn, find, findAll} from '@ember/test-helpers';
import {expect} from 'chai';
import {setupApplicationTest} from 'ember-mocha';
import {setupMirage} from 'ember-cli-mirage/test-support';
import {visit} from '../../helpers/visit';

async function checkValidationError(errors) {
    // Create the newsletter
    await click('[data-test-button="save-newsletter"]');

    // @todo: at the moment, the tabs don't open on error automatically
    // we need to remove these lines when this is fixed
    // and replace it with something like ± checkTabOpen('genexral')
    // await openTab('general.name');

    for (const selector of Object.keys(errors)) {
        expect(findAll(selector).length, 'field ' + selector + ' is not visible').to.equal(1);
        expect(findAll(selector + ' + .response').length, 'error message is displayed').to.equal(1);
        expect(find(selector + ' + .response').textContent).to.match(errors[selector]);
    }

    // Check button is in error state
    expect(find('[data-test-button="save-newsletter"] > [data-test-task-button-state="failure"]')).to.exist;
}

async function checkSave(options) {
    const name = options.edit ? 'edit' : 'create';

    // Create the newsletter
    await click('[data-test-button="save-newsletter"]');

    // No errors
    expect(findAll('.error > .response').length, 'error message is displayed').to.equal(0);

    if (options.verifyEmail) {
        expect(find('[data-test-modal="confirm-newsletter-email"]'), 'Confirm email modal').to.exist;

        // Check message
        if (typeof verifyEmail !== 'boolean') {
            const t = find('[data-test-modal="confirm-newsletter-email"] p').textContent.trim().replace(/\s+/g, ' ');
            expect(t).to.match(options.verifyEmail, t);
        }
        await click('[data-test-button="confirm-newsletter-email"]');
    }

    // Check if modal closes on save
    expect(find(`[data-test-modal="${name}-newsletter"]`), 'Newsletter modal should disappear after saving').to.not.exist;
}

async function checkCancel(options) {
    const name = options.edit ? 'edit' : 'create';

    // Create the newsletter
    await click('[data-test-button="cancel-newsletter"]');

    if (options.shouldConfirm) {
        expect(find('[data-test-modal="unsaved-settings"]'), 'Confirm unsaved settings modal should be visible').to.exist;
        await click('[data-test-leave-button]');
    }

    // Check if modal closes on save
    expect(find(`[data-test-modal="${name}-newsletter"]`), 'Newsletter modal should disappear after canceling').to.not.exist;
}

async function openTab(name, optional = true) {
    const generalToggleSelector = '[data-test-nav-toggle="' + name + '"]';
    const generalToggle = find(generalToggleSelector);
    const doesExist = !!generalToggle;

    if (!doesExist && !optional) {
        throw new Error('Expected tab ' + name + ' to exist');
    }

    if (doesExist && !generalToggle.classList.contains('active')) {
        await click(generalToggleSelector);

        if (!generalToggle.classList.contains('active')) {
            throw new Error('Could not open ' + name + ' tab');
        }
    }
}

async function closeTab(name, optional = true) {
    const generalToggleSelector = '[data-test-nav-toggle="' + name + '"]';
    const generalToggle = find(generalToggleSelector);
    const doesExist = !!generalToggle;

    if (!doesExist && !optional) {
        throw new Error('Expected tab ' + name + ' to exist');
    }

    if (doesExist && generalToggle.classList.contains('active')) {
        await click(generalToggleSelector);

        if (generalToggle.classList.contains('active')) {
            throw new Error('Could not close ' + name + ' tab');
        }
    }
}

async function fillName(name) {
    await openTab('general.name');
    await fillIn('input#newsletter-title', name);
}

describe('Acceptance: Settings - Newsletters', function () {
    const hooks = setupApplicationTest();
    setupMirage(hooks);

    beforeEach(async function () {
        this.server.loadFixtures('configs', 'newsletters');

        const role = this.server.create('role', {name: 'Owner'});
        this.server.create('user', {roles: [role]});

        return await authenticateSession();
    });

    it('redirects old path', async function () {
        await visit('/settings/members-email');
        expect(currentURL()).to.equal('/settings/newsletters');
    });

    describe('Creating newsletters', function () {
        it('can create new newsletter', async function () {
            await visit('/settings/newsletters');
            expect(findAll('[data-test-newsletter]').length, 'Total newsletters shown').to.equal(1);
            await click('[data-test-button="add-newsletter"]');

            // Check if modal opens
            expect(find('[data-test-modal="create-newsletter"]'), 'Create newsletter modal').to.exist;

            // Fill in the newsletter name
            await fillName('My new newsletter');

            // Fill in the newsletter description
            await fillIn('textarea#newsletter-description', 'My newsletter description');

            await checkSave({});

            expect(findAll('[data-test-newsletter]').length, 'Total newsletters shown afterwards').to.equal(2);
        });

        it('validates create newsletter before saving', async function () {
            await visit('/settings/newsletters');
            expect(findAll('[data-test-newsletter]').length, 'Total newsletters shown').to.equal(1);

            await click('[data-test-button="add-newsletter"]');

            // Check if modal opens
            expect(find('[data-test-modal="create-newsletter"]'), 'Create newsletter modal').to.exist;

            // Invalid name error when you try to save
            await checkValidationError({'input#newsletter-title': /Please enter a name./});

            // Fill in the newsletter name
            await fillName('My new newsletter');

            // Everything should be valid
            await checkSave({});

            expect(findAll('[data-test-newsletter]').length, 'Total newsletters shown afterwards').to.equal(2);
        });

        it('checks limits when creating a newsletter', async function () {
            const config = this.server.db.configs.find(1);
            config.hostSettings = {
                limits: {
                    newsletters: {
                        max: 1,
                        error: 'Your plan supports up to {{max}} newsletters. Please upgrade to add more.'
                    }
                }
            };
            this.server.db.configs.update(1, config);

            await visit('/settings/newsletters');
            await click('[data-test-button="add-newsletter"]');

            // Check if modal doesn't open
            expect(find('[data-test-modal="create-newsletter"]'), 'Create newsletter modal').not.to.exist;

            // Check limits modal is shown
            expect(find('[data-test-modal="limits/multiple-newsletters"]'), 'Limits modal').to.exist;

            // Check can close modal
            await click('[data-test-button="cancel-upgrade"]');

            // Check modal is closed
            expect(find('[data-test-modal="limits/multiple-newsletters"]'), 'Limits modal').not.to.exist;
        });
    });

    describe('Editing newsletters', function () {
        it('can edit via menu if multiple newsletters', async function () {
            // Create an extra newsletter
            this.server.create('newsletter', {status: 'active', name: 'test newsletter', slug: 'test-newsletter'});
            await visit('/settings/newsletters');

            await click('[data-test-newsletter-menu-trigger]');
            await click('[data-test-button="customize-newsletter"]');

            // Check if modal opens
            expect(find('[data-test-modal="edit-newsletter"]'), 'Edit newsletter modal').to.exist;
        });

        it('validates edit fields before saving', async function () {
            await visit('/settings/newsletters');

            // When we only have a single newsletter, the customize button is shown instead of the menu button
            await click('[data-test-button="customize-newsletter"]');

            // Check if modal opens
            expect(find('[data-test-modal="edit-newsletter"]'), 'Edit newsletter modal').to.exist;

            // Clear newsletter name
            await fillName('');

            // Invalid name error when you try to save
            await checkValidationError({'input#newsletter-title': /Please enter a name./});

            // Fill in the newsletter name
            await fillName('My new newsletter');

            // Enter an invalid email
            await openTab('general.email');
            await fillIn('input#newsletter-sender-email', 'invalid-email');

            // Check if it complains about the invalid email
            await checkValidationError({
                'input#newsletter-sender-email': /Invalid email./
            });

            await fillIn('input#newsletter-sender-email', 'valid-email@email.com');

            // Everything should be valid
            await checkSave({
                edit: true,
                verifyEmail: /default email address \(noreply/
            });
        });

        it('can open / close all tabs', async function () {
            await visit('/settings/newsletters');

            // When we only have a single newsletter, the customize button is shown instead of the menu button
            await click('[data-test-button="customize-newsletter"]');

            // Check if modal opens
            expect(find('[data-test-modal="edit-newsletter"]'), 'Edit newsletter modal').to.exist;

            await openTab('general.name', false);
            await closeTab('general.name', false);

            await openTab('general.email', false);
            await closeTab('general.email', false);

            await openTab('general.member', false);
            await closeTab('general.member', false);

            // todo: uncomment after `audienceFeedback` feature flag will be removed
            //await openTab('general.audienceFeedback', false);
            //await closeTab('general.audienceFeedback', false);

            await openTab('design.header', false);
            await closeTab('design.header', false);

            await openTab('design.body', false);
            await closeTab('design.body', false);

            await openTab('design.footer', false);
            await closeTab('design.footer', false);
        });

        it('shows current sender email in verify modal', async function () {
            this.server.create('newsletter', {status: 'active', name: 'test newsletter', slug: 'test-newsletter', senderEmail: 'test@example.com'});

            await visit('/settings/newsletters');

            // Edit the last newsletter
            await click('[data-test-newsletter="test-newsletter"] [data-test-newsletter-menu-trigger]');
            await click('[data-test-button="customize-newsletter"]');

            // Check if modal opens
            expect(find('[data-test-modal="edit-newsletter"]'), 'Edit newsletter modal').to.exist;

            await openTab('general.email');
            await fillIn('input#newsletter-sender-email', 'valid-email@email.com');

            // Everything should be valid
            await checkSave({
                edit: true,
                verifyEmail: /previous email address \(test@example\.com\)/
            });
        });

        it('does not ask to confirm saved changes', async function () {
            await visit('/settings/newsletters');

            // When we only have a single newsletter, the customize button is shown instead of the menu button
            await click('[data-test-button="customize-newsletter"]');

            // Check if modal opens
            expect(find('[data-test-modal="edit-newsletter"]'), 'Edit newsletter modal').to.exist;

            // Make no changes

            // Everything should be valid
            await checkCancel({
                edit: true,
                shouldConfirm: false
            });
        });

        it('asks to confirm unsaved changes', async function () {
            async function doCheck(tabName, field) {
                await visit('/settings/newsletters');

                // When we only have a single newsletter, the customize button is shown instead of the menu button
                await click('[data-test-button="customize-newsletter"]');

                // Check if modal opens
                expect(find('[data-test-modal="edit-newsletter"]'), 'Edit newsletter modal').to.exist;

                // Make a change
                await openTab(tabName, false);
                if (field.input) {
                    await fillIn(field.input, field.value ?? 'my changed value');
                } else if (field.toggle) {
                    await click(field.toggle);
                } else if (field.dropdown) {
                    // Open dropdown
                    await click(`${field.dropdown} .ember-basic-dropdown-trigger`);

                    // Click first not-selected option
                    await click(`${field.dropdown} li.ember-power-select-option[aria-current="false"]`);
                }

                // Everything should be valid
                await checkCancel({
                    edit: true,
                    shouldConfirm: true
                });
            }

            // General name
            await doCheck('general.name', {
                input: '#newsletter-title'
            });

            await doCheck('general.name', {
                input: '#newsletter-description'
            });

            // General email
            await doCheck('general.email', {
                input: '#newsletter-sender-name'
            });

            await doCheck('general.email', {
                input: '#newsletter-sender-email'
            });

            await doCheck('general.email', {
                input: '#newsletter-reply-to',
                value: 'support'
            });

            // Member settings
            await doCheck.call(this, 'general.member', {
                toggle: '[data-test-toggle="subscribeOnSignup"]'
            });

            // Newsletter analytics
            // todo: uncomment after `audienceFeedback` feature flag will be removed
            //await doCheck.call(this, 'general.audienceFeedback', {
            //    toggle: '[data-test-toggle="feedbackEnabled"]'
            //});

            // Design header
            await doCheck.call(this, 'design.header', {
                toggle: '[data-test-toggle="showHeaderTitle"]'
            });

            await doCheck.call(this, 'design.header', {
                toggle: '[data-test-toggle="showHeaderName"]'
            });

            // Design body
            await doCheck.call(this, 'design.body', {
                dropdown: '[data-test-input="titleFontCategory"]'
            });

            await doCheck.call(this, 'design.body', {
                toggle: '#newsletter-title-alignment button:not(.gh-btn-group-selected)'
            });

            await doCheck.call(this, 'design.body', {
                dropdown: '[data-test-input="bodyFontCategory"]'
            });

            await doCheck.call(this, 'design.body', {
                toggle: '#show-feature-image'
            });

            // Design footer
            await doCheck('design.footer', {
                input: '[contenteditable="true"]'
            });
        });
    });

    describe('Archiving newsletters', function () {
        it('can archive newsletters', async function () {
            // Create an extra newsletter, because we cannot archive the last one
            this.server.create('newsletter', {status: 'active', name: 'test newsletter', slug: 'test-newsletter'});
            await visit('/settings/newsletters');

            // Check total newsletters shown
            expect(findAll('[data-test-newsletter]').length, 'Total newsletters shown').to.equal(2);

            // Toggle is hidden
            expect(find('[data-test-dropdown="newsletter-status-filter"] .ember-power-select-trigger')).not.to.exist;

            await click('[data-test-newsletter-menu-trigger]');
            await click('[data-test-button="archive-newsletter"]');

            // Check if confimation modal opens
            expect(find('[data-test-modal="confirm-newsletter-archive"]'), 'Archive newsletter modal').to.exist;

            // Confirm archive
            await click('[data-test-button="confirm-newsletter-archive"]');

            // Check total newsletters equals 1
            expect(findAll('[data-test-newsletter]').length, 'Total newsletters shown').to.equal(1);

            // Toggle is shown now
            expect(find('[data-test-dropdown="newsletter-status-filter"] .ember-power-select-trigger')).to.exist;
        });

        it('can reactivate newsletters if only archived newsletter left', async function () {
            // Create an extra newsletter, to check counts
            this.server.create('newsletter', {status: 'active', name: 'test newsletter', slug: 'test-newsletter'});

            // Create an archived newsletter, beacuse the toggle is invisible otherwise
            this.server.create('newsletter', {status: 'archived', name: 'test newsletter 2', slug: 'test-newsletter2'});
            await visit('/settings/newsletters');

            // Check total newsletters shown
            expect(findAll('[data-test-newsletter]').length, 'Total newsletters shown').to.equal(2);

            // Go to archived newsletters
            await click('[data-test-dropdown="newsletter-status-filter"] .ember-power-select-trigger');
            await click('.ember-power-select-option[aria-selected="false"]');

            // Check title okay
            expect(find('.gh-newsletters .gh-expandable-title').textContent.trim(), 'Title').to.equal('Archived newsletters');

            // Check total newsletters shown
            expect(findAll('[data-test-newsletter]').length, 'Total archived newsletters shown').to.equal(1);

            // Reactivate the newsletter
            await click('[data-test-newsletter-menu-trigger]');
            await click('[data-test-button="reactivate-newsletter"]');

            // Check if confimation modal opens
            expect(find('[data-test-modal="confirm-newsletter-reactivate"]'), 'Reactivate newsletter modal').to.exist;

            // Confirm archive
            await click('[data-test-button="confirm-newsletter-reactivate"]');

            // Check automatically went back to all (because no newsletters archived)
            // Check title okay
            expect(find('.gh-newsletters .gh-expandable-title').textContent.trim(), 'Title').to.equal('Active newsletters');

            // Check total newsletters shown
            expect(findAll('[data-test-newsletter]').length, 'Total newsletters shown').to.equal(3);
        });

        it('can reactivate newsletters', async function () {
            // Create an extra newsletter, to check counts
            this.server.create('newsletter', {status: 'active', name: 'test newsletter', slug: 'test-newsletter'});

            // Create an archived newsletter, beacuse the toggle is invisible otherwise
            this.server.create('newsletter', {status: 'archived', name: 'test newsletter 2', slug: 'test-newsletter2'});
            this.server.create('newsletter', {status: 'archived', name: 'test newsletter 3', slug: 'test-newsletter3'});
            await visit('/settings/newsletters');

            // Check total newsletters shown
            expect(findAll('[data-test-newsletter]').length, 'Total newsletters shown').to.equal(2);

            // Go to archived newsletters
            await click('[data-test-dropdown="newsletter-status-filter"] .ember-power-select-trigger');
            await click('.ember-power-select-option[aria-selected="false"]');

            // Check title okay
            expect(find('.gh-newsletters .gh-expandable-title').textContent.trim(), 'Title').to.equal('Archived newsletters');

            // Check total newsletters shown
            expect(findAll('[data-test-newsletter]').length, 'Total archived newsletters shown').to.equal(2);

            // Reactivate the newsletter
            await click('[data-test-newsletter-menu-trigger]');
            await click('[data-test-button="reactivate-newsletter"]');

            // Check if confimation modal opens
            expect(find('[data-test-modal="confirm-newsletter-reactivate"]'), 'Reactivate newsletter modal').to.exist;

            // Confirm archive
            await click('[data-test-button="confirm-newsletter-reactivate"]');

            // Check still showing archived newsletters
            expect(find('.gh-newsletters .gh-expandable-title').textContent.trim(), 'Title').to.equal('Archived newsletters');

            // Go to active newsletters
            await click('[data-test-dropdown="newsletter-status-filter"] .ember-power-select-trigger');
            await click('.ember-power-select-option[aria-selected="false"]');

            // Check automatically went back to all (because no newsletters archived)
            // Check title okay
            expect(find('.gh-newsletters .gh-expandable-title').textContent.trim(), 'Title').to.equal('Active newsletters');

            // Check total newsletters shown
            expect(findAll('[data-test-newsletter]').length, 'Total newsletters shown').to.equal(3);
        });

        it('checks limits when reactivating a newsletter', async function () {
            const config = this.server.db.configs.find(1);
            config.hostSettings = {
                limits: {
                    newsletters: {
                        max: 1,
                        error: 'Your plan supports up to {{max}} newsletters. Please upgrade to add more.'
                    }
                }
            };
            this.server.db.configs.update(1, config);

            // Create an archived newsletter, beacuse the toggle is invisible otherwise
            this.server.create('newsletter', {status: 'archived', name: 'test newsletter 2', slug: 'test-newsletter2'});
            await visit('/settings/newsletters');

            // Check total newsletters shown
            expect(findAll('[data-test-newsletter]').length, 'Total newsletters shown').to.equal(1);

            // Go to archived newsletters
            await click('[data-test-dropdown="newsletter-status-filter"] .ember-power-select-trigger');
            await click('.ember-power-select-option[aria-selected="false"]');

            // Check title okay
            expect(find('.gh-newsletters .gh-expandable-title').textContent.trim(), 'Title').to.equal('Archived newsletters');

            // Check total newsletters shown
            expect(findAll('[data-test-newsletter]').length, 'Total archived newsletters shown').to.equal(1);

            // Reactivate the newsletter
            await click('[data-test-newsletter-menu-trigger]');
            await click('[data-test-button="reactivate-newsletter"]');

            // Check if confimation modal doesn't open
            expect(find('[data-test-modal="confirm-newsletter-reactivate"]'), 'Reactivate newsletter modal').not.to.exist;

            // Check limits modal is shown
            expect(find('[data-test-modal="limits/multiple-newsletters"]'), 'Limits modal').to.exist;

            // Check can close modal
            await click('[data-test-button="cancel-upgrade"]');

            // Check modal is closed
            expect(find('[data-test-modal="limits/multiple-newsletters"]'), 'Limits modal').not.to.exist;
        });
    });
});