import { test, expect } from './fixtures';
import { request as playwrightRequest } from '@playwright/test';
import { promisify } from 'util';
import { exec as cp_exec } from 'child_process';

const exec = promisify(cp_exec);

test.describe('V. User & System Management', () => {

    test('5.1. A. User Profile - Update Personal Information', async ({ page, createUniqueUser }) => {
        const user = await createUniqueUser();
        await page.goto('/');
        await page.getByLabel('Email').fill(user.email);
        await page.getByLabel('Password').fill(user.password);
        await page.getByRole('button', { name: 'Login' }).click();

        try {
            await expect(page.getByRole('heading', { name: /Change Password/i }).or(page.getByText('Free Workout'))).toBeVisible({ timeout: 5000 });
            if (await page.getByRole('heading', { name: /Change Password/i }).isVisible()) {
                await page.getByLabel('New Password').fill('StrongNewPass123!');
                await page.getByRole('button', { name: /Save|Change/i }).click();
            }
        } catch (e) { }
        await expect(page.getByText('Free Workout')).toBeVisible();

        await page.getByRole('button', { name: 'Profile', exact: true }).click();

        await page.getByTestId('profile-weight-input').fill('75');
        await page.getByTestId('profile-height-input').fill('180');
        await page.getByTestId('profile-birth-date').fill('1990-01-01');
        await page.getByTestId('profile-gender').selectOption('FEMALE');

        await page.getByRole('button', { name: 'Save Profile' }).click();
        await expect(page.getByText('Profile saved successfully')).toBeVisible();

        await page.reload();
        if (!await page.getByRole('heading', { name: 'Profile' }).isVisible()) {
            await page.getByRole('button', { name: 'Profile', exact: true }).click();
        }

        await expect(page.getByTestId('profile-weight-input')).toHaveValue('75');
        await expect(page.getByTestId('profile-height-input')).toHaveValue('180');
        await expect(page.getByTestId('profile-birth-date')).toHaveValue('1990-01-01');
        await expect(page.getByTestId('profile-gender')).toHaveValue('FEMALE');
    });

    test('5.2. A. User Profile - Change Password', async ({ page, createUniqueUser }) => {
        const user = await createUniqueUser();
        await page.goto('/');
        await page.getByLabel('Email').fill(user.email);
        await page.getByLabel('Password').fill(user.password);
        await page.getByRole('button', { name: 'Login' }).click();

        try {
            await expect(page.getByRole('heading', { name: /Change Password/i }).or(page.getByText('Free Workout'))).toBeVisible({ timeout: 5000 });
            if (await page.getByRole('heading', { name: /Change Password/i }).isVisible()) {
                await page.getByLabel('New Password').fill('StrongNewPass123!');
                await page.getByRole('button', { name: /Save|Change/i }).click();
            }
        } catch (e) { }
        await expect(page.getByText('Free Workout')).toBeVisible();

        await page.getByRole('button', { name: 'Profile', exact: true }).click();

        const newPassword = 'NewStrongPass!';
        await page.getByRole('textbox', { name: 'New Password' }).fill(newPassword);
        await page.getByRole('button', { name: 'OK' }).click();
        await expect(page.getByText('Password changed')).toBeVisible();

        await page.getByRole('button', { name: 'Logout' }).click();

        await page.getByRole('textbox', { name: 'Email' }).fill(user.email);
        await page.getByRole('textbox', { name: 'Password' }).fill(newPassword);
        await page.getByRole('button', { name: 'Login' }).click();

        await expect(page.getByText('Free Workout')).toBeVisible();
    });

    test('5.3. A. User Profile - Change Password (Too Short)', async ({ page, createUniqueUser }) => {
        const user = await createUniqueUser();
        await page.goto('/');
        await page.getByLabel('Email').fill(user.email);
        await page.getByLabel('Password').fill(user.password);
        await page.getByRole('button', { name: 'Login' }).click();
        try {
            await expect(page.getByRole('heading', { name: /Change Password/i }).or(page.getByText('Free Workout'))).toBeVisible({ timeout: 5000 });
            if (await page.getByRole('heading', { name: /Change Password/i }).isVisible()) {
                await page.getByLabel('New Password').fill('StrongNewPass123!');
                await page.getByRole('button', { name: /Save|Change/i }).click();
            }
        } catch (e) { }
        await expect(page.getByText('Free Workout')).toBeVisible();

        await page.getByRole('button', { name: 'Profile', exact: true }).click();
        await page.getByRole('textbox', { name: 'New Password' }).fill('123');
        await page.getByRole('button', { name: 'OK' }).click();
        await expect(page.getByText('Password too short')).toBeVisible();
    });

    test('5.4. A. User Profile - Dedicated Daily Weight Logging', async ({ page, createUniqueUser }) => {
        const user = await createUniqueUser();
        await page.goto('/');
        await page.getByLabel('Email').fill(user.email);
        await page.getByLabel('Password').fill(user.password);
        await page.getByRole('button', { name: 'Login' }).click();
        try {
            await expect(page.getByRole('heading', { name: /Change Password/i }).or(page.getByText('Free Workout'))).toBeVisible({ timeout: 5000 });
            if (await page.getByRole('heading', { name: /Change Password/i }).isVisible()) {
                await page.getByLabel('New Password').fill('StrongNewPass123!');
                await page.getByRole('button', { name: /Save|Change/i }).click();
            }
        } catch (e) { }
        await expect(page.getByText('Free Workout')).toBeVisible();

        await page.getByRole('button', { name: 'Profile', exact: true }).click();
        await page.getByRole('button', { name: 'Weight Tracker' }).click();

        const weight = '72.3';
        await page.getByPlaceholder('Enter weight...').fill(weight);
        await page.getByRole('button', { name: 'Log', exact: true }).click();

        await expect(page.getByText('Weight logged successfully')).toBeVisible();
        await expect(page.getByText(`${weight} kg`)).toBeVisible();
        await expect(page.getByRole('spinbutton').first()).toHaveValue(weight);
    });

    test('5.5. A. User Profile - Language Preference Change', async ({ page, createUniqueUser }) => {
        const user = await createUniqueUser();
        await page.goto('/');
        await page.getByLabel('Email').fill(user.email);
        await page.getByLabel('Password').fill(user.password);
        await page.getByRole('button', { name: 'Login' }).click();

        try {
            await expect(page.getByRole('heading', { name: /Change Password/i }).or(page.getByText('Free Workout'))).toBeVisible({ timeout: 5000 });
            if (await page.getByRole('heading', { name: /Change Password/i }).isVisible()) {
                await page.getByLabel('New Password').fill('StrongNewPass123!');
                await page.getByRole('button', { name: /Save|Change/i }).click();
            }
        } catch (e) { }
        await expect(page.getByText('Free Workout')).toBeVisible();

        await page.getByRole('button', { name: 'Profile', exact: true }).click();

        await page.getByRole('combobox').nth(1).selectOption(['ru']);
        await page.getByRole('button', { name: /Сохранить профиль|Save Profile/ }).click();

        await expect(page.getByRole('heading', { name: 'Профиль', exact: true })).toBeVisible();
        await expect(page.getByText(/Profile saved|Профиль успешно/)).toBeVisible();
        await expect(page.getByRole('button', { name: 'Сохранить профиль' })).toBeVisible();

        await page.reload();

        if (await page.getByLabel('Email').isVisible()) {
            await page.getByLabel('Email').fill(user.email);
            await page.getByLabel('Password').fill(user.password || 'StrongNewPass123!');
            await page.getByRole('button', { name: 'Login' }).click();
        }

        await page.getByRole('button', { name: /^(Профиль|Profile)$/ }).click();
        await expect(page.getByRole('heading', { name: 'Профиль', exact: true })).toBeVisible();
    });

    test('5.6. A. User Profile - Delete Own Account', async ({ page, createUniqueUser }) => {
        const user = await createUniqueUser();
        await page.goto('/');
        await page.getByLabel('Email').fill(user.email);
        await page.getByLabel('Password').fill(user.password);
        await page.getByRole('button', { name: 'Login' }).click();

        try {
            await expect(page.getByRole('heading', { name: /Change Password/i }).or(page.getByText('Free Workout'))).toBeVisible({ timeout: 5000 });
            if (await page.getByRole('heading', { name: /Change Password/i }).isVisible()) {
                await page.getByLabel('New Password').fill('StrongNewPass123!');
                await page.getByRole('button', { name: /Save|Change/i }).click();
            }
        } catch (e) { }
        await expect(page.getByText('Free Workout')).toBeVisible();

        await page.getByRole('button', { name: 'Profile', exact: true }).click();
        await page.getByRole('button', { name: 'Delete' }).click();

        await expect(page.getByText('Are you sure?')).toBeVisible();
        await page.getByRole('button', { name: 'Delete', exact: true }).last().click();

        await expect(page).toHaveURL(/\/login/);
        await expect(page.getByRole('button', { name: 'Login' })).toBeVisible();

        await page.getByLabel('Email').fill(user.email);
        await page.getByLabel('Password').fill(user.password || 'StrongNewPass123!');
        await page.getByRole('button', { name: 'Login' }).click();

        await expect(page.getByText(/Invalid credentials|User not found/i)).toBeVisible();
    });

    test('5.7. B. Admin Panel - View User List', async ({ page, createAdminUser, request }) => {
        test.setTimeout(120000);
        const adminUser = await createAdminUser();

        const createdEmails: string[] = [];
        const creationPromises = [];

        for (let i = 0; i < 25; i++) {
            const uniqueId = Math.random().toString(36).substring(7);
            const email = `list.user.${i}.${uniqueId}@example.com`;
            const password = 'StrongPassword123!';
            createdEmails.push(email);

            creationPromises.push(request.post('/api/auth/register', {
                data: { email, password }
            }));
        }

        const responses = await Promise.all(creationPromises);
        for (const response of responses) {
            await expect(response).toBeOK();
        }

        await page.goto('/');
        await page.getByLabel('Email').fill(adminUser.email);
        await page.getByLabel('Password').fill(adminUser.password);
        await page.getByRole('button', { name: 'Login' }).click();

        try {
            await expect(page.getByRole('heading', { name: /Change Password/i }).or(page.getByText('Free Workout'))).toBeVisible({ timeout: 5000 });
            if (await page.getByRole('heading', { name: /Change Password/i }).isVisible()) {
                await page.getByLabel('New Password').fill('StrongAdminNewPass123!');
                await page.getByRole('button', { name: /Save|Change/i }).click();
            }
        } catch (e) { }
        await expect(page.getByText('Free Workout')).toBeVisible();

        await page.getByRole('button', { name: 'Profile', exact: true }).click();
        await page.getByRole('button', { name: /Users List|User List/i }).click();

        await expect(page.getByText(/Users List/i)).toBeVisible();

        for (const email of createdEmails) {
            await expect(page.getByText(email)).toBeVisible();
        }
    });

    test('5.8. B. Admin Panel - Create New User', async ({ page, createAdminUser }) => {
        const adminUser = await createAdminUser();
        await page.goto('/');
        await page.getByLabel('Email').fill(adminUser.email);
        await page.getByLabel('Password').fill(adminUser.password);
        await page.getByRole('button', { name: 'Login' }).click();

        try {
            await expect(page.getByRole('heading', { name: /Change Password/i }).or(page.getByText('Free Workout'))).toBeVisible({ timeout: 5000 });
            if (await page.getByRole('heading', { name: /Change Password/i }).isVisible()) {
                await page.getByLabel('New Password').fill('StrongAdminNewPass123!');
                await page.getByRole('button', { name: /Save|Change/i }).click();
            }
        } catch (e) { }
        await expect(page.getByText('Free Workout')).toBeVisible();

        await page.getByRole('button', { name: 'Profile', exact: true }).click();

        const uniqueId = Math.random().toString(36).substring(7);
        const newUserEmail = `new.user.${uniqueId}@example.com`;
        const newUserPassword = 'NewUserPass123!';

        const createUserSection = page.locator('div').filter({ has: page.getByRole('heading', { name: 'Create User' }) }).last();
        await createUserSection.getByLabel('Email').fill(newUserEmail);
        await createUserSection.getByLabel('Password').fill(newUserPassword);

        await page.getByRole('button', { name: /Create User|Create/i }).click();

        await expect(page.getByText(/User created|successfully/i)).toBeVisible();

        const userListButton = page.getByRole('button', { name: /Users List/i });
        if (await userListButton.getAttribute('aria-expanded') !== 'true') {
            await userListButton.click();
        }

        const listContainer = page.locator('div.space-y-4.mt-4');
        await expect(listContainer).toBeVisible();
        await expect(listContainer.getByText(newUserEmail)).toBeVisible();
    });

    test('5.9. B. Admin Panel - Block/Unblock User', async ({ page, createAdminUser, createUniqueUser }) => {
        const adminUser = await createAdminUser();

        await page.goto('/');
        await page.getByLabel('Email').fill(adminUser.email);
        await page.getByLabel('Password').fill(adminUser.password);
        await page.getByRole('button', { name: 'Login' }).click();

        try {
            await expect(page.getByRole('heading', { name: /Change Password/i }).or(page.getByText('Free Workout'))).toBeVisible({ timeout: 5000 });
            if (await page.getByRole('heading', { name: /Change Password/i }).isVisible()) {
                await page.getByLabel('New Password').fill('StrongAdminNewPass123!');
                await page.getByRole('button', { name: /Save|Change/i }).click();
            }
        } catch (e) { }
        await expect(page.getByText('Free Workout')).toBeVisible();

        const regularUser = await createUniqueUser();

        await page.getByRole('button', { name: 'Profile', exact: true }).filter({ visible: true }).click();

        const userListButton = page.getByRole('button', { name: /Users List/i });
        const isExpanded = await userListButton.getAttribute('aria-expanded');
        if (isExpanded !== 'true') {
            await userListButton.click();
        }
        await expect(userListButton).toHaveAttribute('aria-expanded', 'true');

        await Promise.all([
            page.waitForResponse(resp => resp.url().includes('/auth/users')),
            page.getByTitle('Refresh List').click()
        ]);

        if (await userListButton.getAttribute('aria-expanded') !== 'true') {
            await userListButton.click();
        }

        const listContainer = page.locator('div.space-y-4.mt-4');
        await expect(listContainer).toBeVisible();

        const userRow = listContainer.locator('.bg-surface-container-high').filter({ hasText: regularUser.email }).first();
        await expect(userRow).toBeVisible();

        const blockButton = userRow.getByRole('button', { name: 'Block', exact: true });
        await expect(blockButton).toBeVisible();
        await blockButton.click();

        await expect(page.getByText('Block User?').or(page.getByText('Заблокировать?'))).toBeVisible();
        await page.getByRole('button', { name: /Confirm|Подтвердить/i }).click();

        await expect(userRow.getByText(/Blocked|Block/i)).toBeVisible();

        const logoutButton = page.getByRole('button', { name: /Logout/i });
        if (await logoutButton.isVisible()) {
            await logoutButton.click();
        } else {
            await page.getByText(/Logout/i).click();
        }
        await expect(page.getByRole('button', { name: 'Login' })).toBeVisible();

        await page.getByLabel('Email').fill(regularUser.email);
        await page.getByLabel('Password').fill(regularUser.password);
        await page.getByRole('button', { name: 'Login' }).click();

        await expect(page.getByText(/Account is blocked/i)).toBeVisible();

        await page.reload();

        await page.getByLabel('Email').fill(adminUser.email);
        await page.getByLabel('Password').fill('StrongAdminNewPass123!');
        await page.getByRole('button', { name: 'Login' }).click();

        await expect(page.getByText('Free Workout')).toBeVisible();

        await page.waitForTimeout(1000);
        await page.getByRole('button', { name: 'Profile', exact: true }).filter({ visible: true }).click();

        await userListButton.click();
        await page.getByTitle('Refresh List').click();

        const userRowAfter = listContainer.locator('.bg-surface-container-high').filter({ hasText: regularUser.email }).first();
        await expect(userRowAfter).toBeVisible();
        await userRowAfter.getByRole('button', { name: 'Unblock', exact: true }).click();

        await expect(page.getByText('Unblock User?').or(page.getByText('Разблокировать?'))).toBeVisible();
        await page.getByRole('button', { name: /Confirm|Подтвердить/i }).click();
        await expect(userRowAfter.getByText(/Blocked/i)).not.toBeVisible();

        await page.getByRole('button', { name: 'Logout' }).click();

        await page.getByLabel('Email').fill(regularUser.email);
        await page.getByLabel('Password').fill(regularUser.password);
        await page.getByRole('button', { name: 'Login' }).click();

        await expect(page.getByRole('heading', { name: /Change Password/i }).or(page.getByText('Free Workout'))).toBeVisible({ timeout: 5000 });
        if (await page.getByRole('heading', { name: /Change Password/i }).isVisible()) {
            await page.getByLabel('New Password').fill('StrongUserNewPass123!');
            await page.getByRole('button', { name: /Save|Change/i }).click();
        }
        await expect(page.getByText('Free Workout')).toBeVisible();
    });

    test('5.10. B. Admin Panel - Reset User Password', async ({ page, createAdminUser, createUniqueUser }) => {
        const adminUser = await createAdminUser();
        await page.goto('/');
        await page.getByLabel('Email').fill(adminUser.email);
        await page.getByLabel('Password').fill(adminUser.password);
        await page.getByRole('button', { name: 'Login' }).click();
        try {
            await expect(page.getByRole('heading', { name: /Change Password/i }).or(page.getByText('Free Workout'))).toBeVisible({ timeout: 5000 });
            if (await page.getByRole('heading', { name: /Change Password/i }).isVisible()) {
                await page.getByLabel('New Password').fill('StrongAdminNewPass123!');
                await page.getByRole('button', { name: /Save|Change/i }).click();
            }
        } catch (e) { }

        const regularUser = await createUniqueUser();
        const newPassword = 'NewStrongUserPass!';

        await page.getByRole('button', { name: 'Profile', exact: true }).click();

        const userListButton = page.getByRole('button', { name: /Users List/i });
        const isExpanded = await userListButton.getAttribute('aria-expanded');
        if (isExpanded !== 'true') {
            await userListButton.click();
        }
        await expect(userListButton).toHaveAttribute('aria-expanded', 'true');

        await Promise.all([
            page.waitForResponse(resp => resp.url().includes('/auth/users')),
            page.getByTitle('Refresh List').click()
        ]);

        if (await userListButton.getAttribute('aria-expanded') !== 'true') {
            await userListButton.click();
        }

        const listContainer = page.locator('div.space-y-4.mt-4');
        await expect(listContainer).toBeVisible();

        const userRow = listContainer.locator('.bg-surface-container-high').filter({ hasText: regularUser.email }).first();
        await expect(userRow).toBeVisible();

        await userRow.getByRole('textbox').fill(newPassword);

        page.on('dialog', async dialog => {
            await dialog.accept();
        });
        await userRow.getByRole('button', { name: /Reset Pass/i }).click();

        await page.waitForTimeout(1000);

        await page.getByRole('button', { name: 'Logout' }).click();
        await page.getByLabel('Email').fill(regularUser.email);
        await page.getByLabel('Password').fill(newPassword);
        await page.getByRole('button', { name: 'Login' }).click();

        await expect(page.getByRole('heading', { name: /Change Password/i })).toBeVisible({ timeout: 10000 });
        await page.getByLabel('New Password').fill('BrandNewUserPass1!');
        await page.getByRole('button', { name: /Save|Change/i }).click();

        await expect(page.getByText('Free Workout')).toBeVisible();
    });

    test('5.11. B. Admin Panel - Delete User', async ({ page, createAdminUser, createUniqueUser }) => {
        const adminUser = await createAdminUser();
        await page.goto('/');
        await page.getByLabel('Email').fill(adminUser.email);
        await page.getByLabel('Password').fill(adminUser.password);
        await page.getByRole('button', { name: 'Login' }).click();
        try {
            await expect(page.getByRole('heading', { name: /Change Password/i }).or(page.getByText('Free Workout'))).toBeVisible({ timeout: 5000 });
            if (await page.getByRole('heading', { name: /Change Password/i }).isVisible()) {
                await page.getByLabel('New Password').fill('StrongAdminNewPass123!');
                await page.getByRole('button', { name: /Save|Change/i }).click();
            }
        } catch (e) { }

        const userToDelete = await createUniqueUser();

        await page.getByRole('button', { name: 'Profile', exact: true }).click();

        const userListButton = page.getByRole('button', { name: /Users List/i });
        const isExpanded = await userListButton.getAttribute('aria-expanded');
        if (isExpanded !== 'true') {
            await userListButton.click();
        }
        await expect(userListButton).toHaveAttribute('aria-expanded', 'true');

        await Promise.all([
            page.waitForResponse(resp => resp.url().includes('/auth/users')),
            page.getByTitle('Refresh List').click()
        ]);

        if (await userListButton.getAttribute('aria-expanded') !== 'true') {
            await userListButton.click();
        }

        const listContainer = page.locator('div.space-y-4.mt-4');
        await expect(listContainer).toBeVisible();

        const userRow = listContainer.locator('.bg-surface-container-high').filter({ hasText: userToDelete.email }).first();
        await expect(userRow).toBeVisible();

        await userRow.getByRole('button', { name: /Delete/i }).click();

        await expect(page.getByText('Delete User?').or(page.getByText('Удалить пользователя?'))).toBeVisible();
        await page.getByRole('button', { name: /Confirm|Подтвердить/i }).click({ timeout: 5000 });

        await expect(listContainer.getByText(userToDelete.email)).not.toBeVisible();
    });

    // Merged from default-exercises.spec.ts
    test.skip('5.12 Default Exercises Creation & Properties', async ({ createUniqueUser }) => {
        const user = await createUniqueUser();

        const apiContext = await playwrightRequest.newContext({
            baseURL: 'http://127.0.0.1:3201',
            extraHTTPHeaders: {
                'Authorization': `Bearer ${user.token}`
            }
        });

        const exercisesRes = await apiContext.get('/api/exercises');
        await expect(exercisesRes).toBeOK();
        const responseJson = await exercisesRes.json();
        const exercises = responseJson.data;

        const expectedNames = ['Bench Press', 'Squat', 'Deadlift', 'Push-Ups', 'Pull-Ups', 'Running', 'Plank', 'Handstand', 'Sprint', 'Bulgarian Split-Squats'];

        for (const name of expectedNames) {
            const found = exercises.find((e: any) => e.name === name);
            expect(found, `Exercise ${name} should exist`).toBeDefined();
        }

        const dumbbellCurl = exercises.find((e: any) => e.name === 'Dumbbell Curl');
        expect(dumbbellCurl.isUnilateral).toBe(true);
        expect(dumbbellCurl.type).toBe('STRENGTH');

        const handstand = exercises.find((e: any) => e.name === 'Handstand');
        expect(handstand.type).toBe('BODYWEIGHT');
        expect(handstand.bodyWeightPercentage).toBe(1.0);

        const pushUps = exercises.find((e: any) => e.name === 'Push-Ups');
        expect(pushUps.bodyWeightPercentage).toBe(0.65);
    });

});