/*
 * SPDX-FileCopyrightText: syuilo and misskey-project
 * SPDX-License-Identifier: AGPL-3.0-only
 */

import type { Locator, Page } from 'playwright';

export const ADMIN_SETUP_PASSWORD = 'example_password_please_change_this_or_you_will_get_hacked';
export const DEFAULT_INVITATION_CODE = 'test-invitation-code';

export interface RegisteredUser {
	id: string;
	token: string;
}

export function assertOk(status: number, route: string): void {
	if (status < 200 || status >= 300) {
		throw new Error(`${route} failed: status=${status}`);
	}
}

export async function api(baseUrl: string, endpoint: string, body: Record<string, unknown>) {
	const response = await fetch(`${baseUrl}/api/${endpoint}`, {
		method: 'POST',
		body: JSON.stringify(body),
		headers: {
			'Content-Type': 'application/json',
		},
	});
	assertOk(response.status, `/api/${endpoint}`);
	if (response.status === 204) return null;
	return await response.json();
}

export async function resetState(baseUrl: string): Promise<void> {
	await api(baseUrl, 'reset-db', {});
}

export async function registerUser(
	baseUrl: string,
	username: string,
	password: string,
	isAdmin = false,
): Promise<RegisteredUser> {
	const route = isAdmin ? 'admin/accounts/create' : 'signup';
	const result = await api(baseUrl, route, {
		username,
		password,
		...(isAdmin ? { setupPassword: ADMIN_SETUP_PASSWORD } : {}),
	});
	return result as RegisteredUser;
}

export function locateMkInput(page: Page, testId: string): Locator {
	return page.locator(`[data-testid="${testId}"] input`);
}

export function locateMkTextarea(page: Page, testId: string): Locator {
	return page.locator(`[data-testid="${testId}"] textarea`);
}

export function locateMkSwitch(page: Page, testId: string): Locator {
	return page.locator(`[data-testid="${testId}"] [data-testid="switch-toggle"]`);
}

export async function visitHome(page: Page, baseUrl: string): Promise<void> {
	await page.goto(`${baseUrl}/`);
	await page.locator('button').first().waitFor({ state: 'visible', timeout: 30_000 });
}

export async function waitApiResponse(page: Page, path: string, timeout = 30_000): Promise<void> {
	await page.waitForResponse((response) => {
		return response.url().endsWith(path) && response.request().method() === 'POST';
	}, { timeout });
}

export async function signIn(page: Page, baseUrl: string, username: string, password: string): Promise<void> {
	await visitHome(page, baseUrl);
	await page.getByTestId('signin').click();
	await page.getByTestId('signin-page-input').waitFor({ state: 'visible', timeout: 10_000 });
	await locateMkInput(page, 'signin-username').fill(username);
	await page.keyboard.press('Enter');
	await page.getByTestId('signin-page-password').waitFor({ state: 'visible', timeout: 10_000 });
	await locateMkInput(page, 'signin-password').fill(password);
	const signinResponse = waitApiResponse(page, '/api/signin-flow');
	await page.keyboard.press('Enter');
	await signinResponse;
}

export async function acceptSignupRules(page: Page): Promise<void> {
	await page.getByTestId('signup-rules-continue').waitFor({ state: 'visible' });
	await locateMkSwitch(page, 'signup-rules-notes-agree').click();
	await page.getByTestId('modal-dialog-ok').click();
	await page.getByTestId('signup-rules-continue').click();
}

export async function signupThroughUi(
	page: Page,
	options: {
		username: string;
		password: string;
		invitationCode?: string;
	},
): Promise<void> {
	await page.getByTestId('signup').click();
	await acceptSignupRules(page);

	await locateMkInput(page, 'signup-username').fill(options.username);
	await locateMkInput(page, 'signup-password').fill(options.password);
	await locateMkInput(page, 'signup-password-retype').fill(options.password);
	await locateMkInput(page, 'signup-invitation-code').fill(options.invitationCode ?? DEFAULT_INVITATION_CODE);

	const signupResponse = waitApiResponse(page, '/api/signup');
	await page.getByTestId('signup-submit').click();
	await signupResponse;
}

export async function closeUserSetupDialog(page: Page, timeout = 30_000): Promise<void> {
	await page.locator('[data-testid="user-setup-dialog"] [data-testid="modal-window-close"]').click({ timeout });
	await page.getByTestId('modal-dialog-ok').click();
}

export async function closeUserSetupDialogIfVisible(page: Page): Promise<void> {
	if (await page.getByTestId('user-setup-dialog').isVisible()) {
		await closeUserSetupDialog(page);
	}
}

export async function postNote(page: Page, noteText: string, timeout = 15_000): Promise<void> {
	await page.getByTestId('open-post-form').waitFor({ state: 'visible' });
	await page.getByTestId('open-post-form').click();
	await page.getByTestId('post-form-text').fill(noteText);
	await page.getByTestId('post-form-submit').click();
	await page.getByText(noteText).waitFor({ timeout });
}