const DataGenerator = require('../../utils/fixtures/data-generator');
const {expect, test} = require('@playwright/test');
const ObjectID = require('bson-objectid').default;
const {promisify} = require('util');
const {exec} = require('child_process');

/**
 * Tier
 * @typedef {object} Tier
 * @property {string} tier.name
 * @property {number} tier.monthlyPrice
 * @property {number} tier.yearlyPrice
 */

/**
 * Setup Ghost Admin, or login if there's a login prompt
 * @param {import('@playwright/test').Page} page
 */
const setupGhost = async (page) => {
    await page.goto('/ghost');

    const actions = {
        signin: Symbol(),
        setup: Symbol(),
        noAction: Symbol()
    };
    /**
     * Using this to fix ESLint
     * @type {object}
     * @field {string} state
     * @field {number} timeout
     */
    const options = {
        state: 'visible',
        timeout: 10000
    };
    const action = await Promise.race([
        page.locator('.gh-signin').waitFor(options).then(() => actions.signin).catch(() => {}),
        page.locator('.gh-setup').waitFor(options).then(() => actions.setup).catch(() => {}),
        page.locator('.gh-nav').waitFor(options).then(() => actions.noAction).catch(() => {})
    ]);

    // Add owner user data from usual fixture
    const ownerUser = DataGenerator.Content.users.find(user => user.id === '1');

    if (process.env.CI && process.env.TEST_URL) {
        ownerUser.email = process.env.TEST_OWNER_EMAIL;
        ownerUser.password = process.env.TEST_OWNER_PASSWORD;
    }

    if (action === actions.signin) {
        // Fill email + password
        await page.locator('#identification').fill(ownerUser.email);
        await page.locator('#password').fill(ownerUser.password);
        await page.getByRole('button', {name: 'Sign in'}).click();
        // Confirm we have reached Ghost Admin
        await page.locator('.gh-nav').waitFor(options);
    } else if (action === actions.setup) {
        // Complete setup process
        await page.getByPlaceholder('The Daily Awesome').click();
        await page.getByPlaceholder('The Daily Awesome').fill('The Local Test');

        // Add owner user data from usual fixture
        await page.getByPlaceholder('Jamie Larson').fill(ownerUser.name);
        await page.getByPlaceholder('jamie@example.com').fill(ownerUser.email);
        await page.getByPlaceholder('At least 10 characters').fill(ownerUser.password);

        await page.getByPlaceholder('At least 10 characters').press('Enter');
        await page.locator('.gh-done-pink').click();
        await page.locator('.gh-nav').waitFor(options);
    }
};

const disconnectStripe = async (page) => {
    await deleteAllMembers(page);
    await page.locator('.gh-nav a[href="#/settings/"]').click();
    await page.locator('.gh-setting-group').filter({hasText: 'Membership'}).click();
    if (await page.isVisible('.gh-btn-stripe-status.connected')) {
        // Disconnect if already connected
        await page.locator('.gh-btn-stripe-status.connected').click();
        await page.locator('.modal-content .gh-btn-stripe-disconnect').first().click();
        await page
            .locator('.modal-content')
            .filter({hasText: 'Are you sure you want to disconnect?'})
            .first()
            .getByRole('button', {name: 'Disconnect'})
            .click();
    }
};

const setupStripe = async (page, stripConnectIntegrationToken) => {
    await deleteAllMembers(page);
    await page.locator('.gh-nav a[href="#/settings/"]').click();
    await page.locator('.gh-setting-group').filter({hasText: 'Membership'}).click();
    if (await page.isVisible('.gh-btn-stripe-status.connected')) {
        // Disconnect if already connected
        await page.locator('.gh-btn-stripe-status.connected').click();
        await page.locator('.modal-content .gh-btn-stripe-disconnect').first().click();
        await page
            .locator('.modal-content')
            .filter({hasText: 'Are you sure you want to disconnect?'})
            .first()
            .getByRole('button', {name: 'Disconnect'})
            .click();
    } else {
        await page.locator('.gh-setting-members-tierscontainer .stripe-connect').click();
    }
    await page.getByPlaceholder('Paste your secure key here').first().fill(stripConnectIntegrationToken);
    await page.getByRole('button', {name: 'Save Stripe settings'}).click();
    // We need to wait for the saving to succeed
    await expect(page.locator('[data-test-button="stripe-disconnect"]')).toBeVisible();
    await page.locator('[data-test-button="close-stripe-connect"]').click();
};

// Setup Mailgun with fake data, for Ghost Admin to allow bulk sending
const setupMailgun = async (page) => {
    await page.locator('.gh-nav a[href="#/settings/"]').click();
    await page.locator('.gh-setting-group').filter({hasText: 'Email newsletter'}).click();
    await page.locator('.gh-expandable-block').filter({hasText: 'Mailgun configuration'}).getByRole('button', {name: 'Expand'}).click();

    await page.locator('[data-test-mailgun-domain-input]').fill('api.testgun.com');
    await page.locator('[data-test-mailgun-api-key-input]').fill('Not an API key');
    await page.locator('[data-test-button="save-members-settings"]').click();
    await page.waitForSelector('[data-test-button="save-members-settings"] [data-test-task-button-state="success"]');
};

/**
 * Enable experimental labs features
 * @param {import('@playwright/test').Page} page
 */
const enableLabs = async (page) => {
    await page.locator('.gh-nav a[href="#/settings/"]').click();
    await page.locator('.gh-setting-group').filter({hasText: 'Labs'}).click();
    const alphaList = page.locator('.gh-main-section').filter({hasText: 'Alpha Features'});
    await alphaList.locator('label[for="labs-webmentions"]').click();
};

/**
 * Delete all members, 1 by 1, using the UI
 * @param {import('@playwright/test').Page} page
 */
const deleteAllMembers = async (page) => {
    await page.locator('a[href="#/members/"]').first().click();

    const firstMember = page.locator('.gh-list tbody tr').first();
    while (await Promise.race([
        firstMember.waitFor({state: 'visible', timeout: 1000}).then(() => true),
        page.locator('.gh-members-empty').waitFor({state: 'visible', timeout: 1000}).then(() => false)
    ]).catch(() => false)) {
        await firstMember.click();
        await page.locator('.view-actions .dropdown > button').click();
        await page.getByRole('button', {name: 'Delete member'}).click();
        await page
            .locator('.modal-content')
            .filter({hasText: 'Delete member'})
            .first()
            .getByRole('button', {name: 'Delete member'})
            .click();
    }
};

/**
 * Archive all tiers, 1 by 1, using the UI
 * @param {import('@playwright/test').Page} page
 */
const archiveAllTiers = async (page) => {
    // Navigate to the member settings
    await page.locator('[data-test-nav="settings"]').click();
    await page.locator('[data-test-nav="members-membership"]').click();

    // Tiers request can take time, so waiting until there is no connections before interacting with them
    await page.waitForLoadState('networkidle');

    // Expand the premium tier list
    await page.locator('[data-test-toggle-pub-info]').click();

    // Archive if already exists
    while (await page.locator('.gh-tier-card').first().isVisible()) {
        const tierCard = page.locator('.gh-tier-card').first();
        await tierCard.locator('.gh-tier-card-actions-button').click();
        await tierCard.getByRole('button', {name: 'Archive'}).click();
        await page.locator('.modal-content').getByRole('button', {name: 'Archive'}).click();
        await page.locator('.modal-content').waitFor({state: 'detached', timeout: 1000});
    }
};

/**
 * Allows impersonating a member by copying the impersonate link
 * opens site with member logged in via the link
 * Expects starting at member detail page
 * @param {import('@playwright/test').Page} page
 */
const impersonateMember = async (page) => {
    // open member impersonation modal and copy link
    await page.locator('[data-test-button="member-actions"]').click();
    await page.locator('[data-test-button="impersonate"]').click();
    await page.locator('[data-test-button="copy-impersonate-link"]').click();
    await page.waitForSelector('[data-test-button="copy-impersonate-link"] span:has-text("Link copied")');

    // get impersonation link from input and redirect to it
    const link = await page.locator('[data-test-input="member-signin-url"]').inputValue();
    await page.goto(link);
};

/**
 * Connect from Stripe using the UI, disconnecting if necessary
 * @param {import('@playwright/test').Page} page
 * @param {object} tier
 * @param {string} tier.name
 * @param {number} tier.monthlyPrice
 * @param {number} tier.yearlyPrice
 * @param {number} [tier.trialDays]
 */
const createTier = async (page, {name, monthlyPrice, yearlyPrice, trialDays}, enableInPortal = true) => {
    // Navigate to the member settings
    await page.locator('[data-test-nav="settings"]').click();
    await page.locator('[data-test-nav="members-membership"]').click();

    // Tiers request can take time, so waiting until there is no connections before interacting with them
    await page.waitForLoadState('networkidle');

    // Expand the premium tier list
    await page.locator('[data-test-toggle-pub-info]').click();

    // Archive if already exists
    while (await page.locator('.gh-tier-card').filter({hasText: name}).first().isVisible()) {
        const tierCard = page.locator('.gh-tier-card').filter({hasText: name}).first();
        await tierCard.locator('.gh-tier-card-actions-button').click();
        await tierCard.getByRole('button', {name: 'Archive'}).click();
        await page.locator('.modal-content').getByRole('button', {name: 'Archive'}).click();
        await page.locator('.modal-content').waitFor({state: 'detached', timeout: 1000});
    }
    if (!await page.locator('.gh-btn-add-tier').isVisible()) {
        await page.locator('[data-test-toggle-pub-info]').click();
    }
    // Add the tier
    await page.locator('.gh-btn-add-tier').click();
    const modal = page.locator('.modal-content');
    await modal.locator('input#name').first().fill(name);
    await modal.locator('#monthlyPrice').fill(`${monthlyPrice}`);
    await modal.locator('#yearlyPrice').fill(`${yearlyPrice}`);
    if (trialDays) {
        await modal.locator('[data-test-toggle="free-trial"]').click();
        await modal.locator('#trial').fill(`${trialDays}`);
    }
    await modal.getByRole('button', {name: 'Add tier'}).click();
    await page.waitForSelector('.modal-content input#name', {state: 'detached'});

    // Close the premium tier list
    await page.locator('[data-test-toggle-pub-info]').click();

    // Enable the tier in portal
    if (enableInPortal) {
        await page.getByRole('button', {name: 'Customize Portal'}).click();
        const portalSettings = page.locator('.modal-content').filter({hasText: 'Portal settings'});
        if (!await portalSettings.locator('label').filter({hasText: name}).locator('input').first().isChecked()) {
            await portalSettings.locator('label').filter({hasText: name}).locator('span').first().click();
        }
        if (!await portalSettings.locator('label').filter({hasText: 'Monthly'}).locator('input').first().isChecked()) {
            await portalSettings.locator('label').filter({hasText: 'Monthly'}).locator('span').first().click();
        }
        if (!await portalSettings.locator('label').filter({hasText: 'Yearly'}).locator('input').first().isChecked()) {
            await portalSettings.locator('label').filter({hasText: 'Yearly'}).locator('span').first().click();
        }
        await portalSettings.getByRole('button', {name: 'Save and close'}).click();
        await page.waitForSelector('.gh-portal-settings', {state: 'detached'});
    }

    // Navigate back to the dashboard
    await page.goto('/ghost');
};

/**
 * Create an offer on a tier
 * @param {import('@playwright/test').Page} page
 * @param {object} options
 * @param {string} options.name
 * @param {string} options.tierName
 * @param {string} options.offerType
 * @param {string} [options.discountType]
 * @param {number} [options.discountDuration]
 * @param {number} options.amount
 * @returns {Promise<string>} Unique offer name
 */
const createOffer = async (page, {name, tierName, offerType, amount, discountType = null, discountDuration = 3}) => {
    await page.goto('/ghost');
    await page.locator('.gh-nav a[href="#/offers/"]').click();

    // Keep offer names unique & <= 40 characters
    let offerName = `${name} (${new ObjectID().toHexString().slice(0, 40 - name.length - 3)})`;

    // Archive other offers to keep the list tidy
    // We only need 1 offer to be active at a time
    // Either the list of active offers loads, or the CTA when no offers exist
    while (await Promise.race([
        page.locator('.gh-offers-list .gh-list-header').filter({hasText: 'active'}).waitFor({state: 'visible', timeout: 1000}).then(() => true),
        page.locator('.gh-offers-list-cta').waitFor({state: 'visible', timeout: 1000}).then(() => false)
    ]).catch(() => false)) {
        const listItem = page.locator('.gh-offers-list .gh-list-row:not(.header)').first();
        await listItem.locator('a[href^="#/offers/"]').last().click();
        await page.getByRole('button', {name: 'Archive offer'}).click();
        await page
            .locator('.modal-content')
            .filter({hasText: 'Archive offer'})
            .first()
            .getByRole('button', {name: 'Archive'})
            .click();

        // TODO: Use a more resilient selector
        const statusDropdown = await page.getByRole('button', {name: 'Archived offers'});
        await statusDropdown.waitFor({
            state: 'visible',
            timeout: 1000
        });
        await statusDropdown.click();
        await page.getByRole('option', {name: 'Active offers'}).click();
    }

    await page.getByRole('link', {name: 'New offer'}).click();
    await page.locator('input#name').fill(offerName);

    if (offerType === 'freeTrial') {
        await page.getByRole('button', {name: 'Free trial Give free access for a limited time.'}).click();
        await page.locator('input#trial-duration').fill(`${amount}`);
    } else if (offerType === 'discount') {
        await page.locator('input#amount').fill(`${amount}`);
        if (discountType === 'multiple-months') {
            await page.locator('[data-test-select="offer-duration"]').selectOption('repeating');
            await page.locator('input#duration-months').fill(discountDuration.toString());
        }

        if (discountType === 'forever') {
            await page.locator('[data-test-select="offer-duration"]').selectOption('forever');
        }
    }

    const priceId = await page.locator(`.gh-select-product-cadence>select>option`).getByText(`${tierName} - Monthly`).getAttribute('value');
    await page.locator('.gh-select-product-cadence>select').selectOption(priceId);

    await page.getByRole('button', {name: 'Save'}).click();
    // Wait for the "Saved" button, ensures that next clicks don't trigger the unsaved work modal
    await page.getByRole('button', {name: 'Saved'}).waitFor({
        state: 'visible',
        timeout: 1000
    });
    await page.locator('.gh-nav a[href="#/offers/"]').click();

    return offerName;
};

const fillInputIfExists = async (page, selector, value) => {
    if (await page.isVisible(selector)) {
        await page.locator(selector).fill(value);
    }
};

const completeStripeSubscription = async (page) => {
    await page.locator('#cardNumber').fill('4242 4242 4242 4242');
    await page.locator('#cardExpiry').fill('04 / 24');
    await page.locator('#cardCvc').fill('424');
    await page.locator('#billingName').fill('Testy McTesterson');
    await page.getByRole('combobox', {name: 'Country or region'}).selectOption('US');
    await page.locator('#billingPostalCode').fill('42424');

    await fillInputIfExists(page, '#billingAddressLine1', '123 Test St');
    await fillInputIfExists(page, '#billingAddressLine2', 'Apt 1');
    await fillInputIfExists(page, '#billingLocality', 'Testville');

    await page.getByTestId('hosted-payment-submit-button').click();

    await page.waitForLoadState('networkidle');
};

/**
 * @param {import('@playwright/test').Page} page
 * @param {Object} options
 * @param {String} options.email
 * @param {String} [options.name]
 * @param {String} [options.note]
 * @param {String} [options.label]
 * @param {String} [options.compedPlan]
 */
const createMember = async (page, {email, name, note, label = '', compedPlan}) => {
    await page.goto('/ghost');
    await page.locator('.gh-nav a[href="#/members/"]').click();
    await page.waitForSelector('a[href="#/members/new/"] span');
    await page.locator('a[href="#/members/new/"] span:has-text("New member")').click();
    await page.waitForSelector('input[name="name"]');

    await page.fill('input[name="email"]', email);

    if (name) {
        await page.fill('input[name="name"]', name);
    }

    if (note) {
        await page.fill('textarea[name="note"]', note);
    }

    if (label) {
        await page.locator('label:has-text("Labels") + div').click();
        await page.keyboard.type(label);
        await page.keyboard.press('Tab');
    }

    await page.locator('button span:has-text("Save")').click();
    await page.waitForSelector('button span:has-text("Saved")');

    if (compedPlan) {
        await page.locator('[data-test-button="add-complimentary"]').click();
        // TODO: switch [data-test-modal="add-complimentary"] and better plan selector once modal is refactored
        await page.locator('.fullscreen-modal h4').getByText(compedPlan).click();
        await page.locator('[data-test-button="save-comp-tier"]').click();
    }
};

/**
 * Start a post draft with a filled in title and body.
 * @param {import('@playwright/test').Page} page
 * @param {Object} options
 * @param {String} [options.title]
 * @param {String} [options.body]
 */
const createPostDraft = async (page, {title = 'Hello world', body = 'This is my post body.'} = {}) => {
    await page.locator('.gh-nav a[href="#/posts/"]').click();

    // Create a new post
    await page.locator('[data-test-new-post-button]').click();

    // Fill in the post title
    await page.locator('[data-test-editor-title-input]').click();
    await page.locator('[data-test-editor-title-input]').fill(title);

    // Continue to the body by pressing enter
    await page.keyboard.press('Enter');

    await page.waitForTimeout(100); // allow new->draft switch to occur fully, without this some initial typing events can be missed
    await page.keyboard.type(body);
};

/**
 * Go to Membership setting page
 * @param {import('@playwright/test').Page} page
 */
const goToMembershipPage = async (page) => {
    return await test.step('Open Membership settings', async () => {
        await page.goto('/ghost');
        await page.locator('[data-test-nav="settings"]').click();
        await page.locator('[data-test-nav="members-membership"]').click();
        // Tiers request can take time, so waiting until there is no connections before interacting with UI
        await page.waitForLoadState('networkidle');
    });
};

/**
 * Get tier card from membership page
 * @param {import('@playwright/test').Page} page
 * @param {Object} options
 * @param {String} [options.id]
 */
const getTierCardById = async (page, {id}) => {
    return await test.step('Expand the premium tier list and find the tier', async () => {
        await page.locator('[data-test-toggle-pub-info]').click();
        await page.waitForSelector(`[data-test-tier-card="${id}"]`);

        return page.locator(`[data-test-tier-card="${id}"]`);
    });
};

const generateStripeIntegrationToken = async () => {
    const inquirer = require('inquirer');
    const {knex} = require('../../../core/server/data/db');

    const stripeDatabaseKeys = {
        publishableKey: 'stripe_connect_publishable_key',
        secretKey: 'stripe_connect_secret_key',
        liveMode: 'stripe_connect_livemode'
    };
    const publishableKey = process.env.STRIPE_PUBLISHABLE_KEY ?? (await knex('settings').select('value').where('key', stripeDatabaseKeys.publishableKey).first())?.value
        ?? (await inquirer.prompt([{
            message: 'Stripe publishable key (starts "pk_test_")',
            type: 'password',
            name: 'value'
        }])).value;
    const secretKey = process.env.STRIPE_SECRET_KEY ?? (await knex('settings').select('value').where('key', stripeDatabaseKeys.secretKey).first())?.value
        ?? (await inquirer.prompt([{
            message: 'Stripe secret key (starts "sk_test_")',
            type: 'password',
            name: 'value'
        }])).value;

    const accountId = process.env.STRIPE_ACCOUNT_ID ?? JSON.parse((await promisify(exec)('stripe get account')).stdout).id;

    return Buffer.from(JSON.stringify({
        a: secretKey,
        p: publishableKey,
        l: false,
        i: accountId
    })).toString('base64');
};

module.exports = {
    setupGhost,
    setupStripe,
    disconnectStripe,
    enableLabs,
    generateStripeIntegrationToken,
    setupMailgun,
    deleteAllMembers,
    createTier,
    archiveAllTiers,
    createOffer,
    createMember,
    createPostDraft,
    completeStripeSubscription,
    impersonateMember,
    goToMembershipPage,
    getTierCardById
};