import { test, expect } from './fixtures';
import * as fs from 'fs';
import * as path from 'path';

test.describe('History Export', () => {

    test.beforeEach(async ({ page }) => {
        // Console logs for debugging
        page.on('console', msg => console.log('PAGE LOG:', msg.text()));
        page.on('pageerror', exception => console.log(`PAGE ERROR: ${exception}`));

        await page.setViewportSize({ width: 1280, height: 720 });
        await page.goto('/');
    });

    // Helper to handle first login
    async function handleFirstLogin(page: any) {
        try {
            const heading = page.getByRole('heading', { name: /Change Password/i });
            const dashboard = page.getByText('Free Workout');

            // Wait for Change Password or Dashboard
            await expect(heading).toBeVisible({ timeout: 10000 });

            // If we are here, Change Password is visible
            await page.getByLabel('New Password').fill('StrongNewPass123!');
            await page.getByRole('button', { name: /Save|Change/i }).click();

            // Now expect dashboard
            await expect(dashboard).toBeVisible();
        } catch (e) {
            // Check if already at dashboard
            if (await page.getByText('Free Workout').isVisible()) {
                return;
            }
            throw e;
        }
    }

    test('should export workout history as CSV', async ({ page, createUniqueUser, request }) => {
        const user = await createUniqueUser();

        // 1. Seed an exercise
        const exName = 'Bench Press Test';
        await request.post('/api/exercises', {
            data: { name: exName, type: 'STRENGTH' },
            headers: { 'Authorization': `Bearer ${user.token}` }
        });

        // 2. Log in
        await page.getByLabel('Email').fill(user.email);
        await page.getByLabel('Password').fill(user.password);
        await page.getByRole('button', { name: 'Login' }).click();

        await handleFirstLogin(page);

        // 3. Log a workout
        // We are likely already on Tracker, but let's be sure or just proceed
        // If we want to navigate:
        // await page.getByRole('button', { name: 'Tracker' }).first().click(); 

        // Since handleFirstLogin confirms 'Free Workout' is visible, we are on Tracker.
        const freeWorkoutBtn = page.getByRole('button', { name: 'Free Workout' });
        await expect(freeWorkoutBtn).toBeVisible();
        await freeWorkoutBtn.click();

        await expect(page.getByRole('button', { name: 'Finish' })).toBeVisible();

        // Log a set
        await page.getByPlaceholder('Select Exercise').click();
        await page.getByText(exName).first().click();
        await page.getByPlaceholder('Weight').fill('100');
        await page.getByPlaceholder('Reps').fill('10');
        await page.getByRole('button', { name: 'Log Set' }).click();

        // Finish session
        await page.getByRole('button', { name: 'Finish' }).click();
        await page.getByRole('button', { name: 'Confirm' }).click();

        // 3. Navigate to History
        await page.getByText('History', { exact: true }).click();

        // 4. Setup download listener
        const downloadPromise = page.waitForEvent('download');

        // 5. Click Export button (Using the title we added)
        // Note: The title comes from t('export_csv', lang), defaulting to 'Export CSV' in English
        const exportBtn = page.getByRole('button', { name: 'Export CSV' });
        await expect(exportBtn).toBeVisible();
        await exportBtn.click();

        const download = await downloadPromise;

        // 6. Verify download
        expect(download.suggestedFilename()).toContain('gymflow_history');
        expect(download.suggestedFilename()).toContain('.csv');
    });
});