// La pista col gesso nel browser vero, su desktop e touch: la scena di Cardetole col Chiaru, la mira, la spinta
// tenendo premuto e i comandi del pannello. npm run browser:micro — schermate in /tmp/regolo-micro.
import { chromium } from 'playwright';
import { mkdirSync } from 'node:fs';
import assert from 'node:assert/strict';
import { staticServer } from './helpers.mjs';

const out = process.env.OUT ?? '/tmp/regolo-micro';
mkdirSync(out, { recursive: true });
const server = await staticServer();
let browser;
const errors = [];

try {
    browser = await chromium.launch({ args: ['--autoplay-policy=no-user-gesture-required', '--use-gl=angle', '--use-angle=swiftshader', '--enable-unsafe-swiftshader'] });
    for (const [name, mobile, viewport] of [
        ['desktop', false, { width: 1280, height: 860 }],
        ['touch', true, { width: 844, height: 390 }],
        ['portrait', true, { width: 390, height: 844 }],
    ]) {
        const page = await browser.newPage({ viewport, hasTouch: mobile, isMobile: mobile });
        page.on('pageerror', e => errors.push(e.message));
        await page.goto(`http://127.0.0.1:${server.port}/`);
        await page.click('#splash');
        await page.click('#new-game');
        await page.click('#rione [data-rione="campomigliaio"]');
        await page.click('#skip-intro');
        await page.evaluate(async () => {
            const { settle } = await import('/tests/helpers.mjs');
            settle(game); game.go('cardetole'); settle(game);
        });
        await page.waitForTimeout(1200);
        if (name === 'desktop') await page.screenshot({ path: `${out}/${name}-cardetole.png` });
        await page.evaluate(async () => {
            const { settle } = await import('/tests/helpers.mjs');
            game.act('talk', 'chiaru'); settle(game);
            game.choose(game.options().findIndex(o => o.text === 'Si fa una gara alle macchinine?!?!')); settle(game);
            game.choose(game.options().findIndex(o => o.text === 'Alla bona.')); settle(game);
        });
        await page.waitForSelector('#bocce-controls:not([hidden])');
        await page.waitForFunction(async () => {
            const { hasBackground } = await import('/src/engine/render.js');
            return hasBackground('assets/closeups/micro-parcheggio.png');
        });
        // Prima si sceglie la macchinina: la viola, toccandola.
        assert.equal(await page.locator('#bocce-throw').textContent(), 'Scegli');
        await page.waitForFunction(async () => (await import('/src/engine/render.js')).hasBackground('assets/closeups/micro/viola-grande.png'));
        if (name === 'desktop') { await page.waitForTimeout(1600); await page.screenshot({ path: `${out}/${name}-sceglie.png` }); }
        {
            const box = await page.locator('#scene').boundingBox(), [vx, vy] = [480, 220];
            const at = { x: box.x + vx / 640 * box.width, y: box.y + vy / 360 * box.height };
            if (mobile) await page.touchscreen.tap(at.x, at.y); else await page.mouse.click(at.x, at.y);
        }
        assert.deepEqual(await page.evaluate(() => game.closeup.colors), { player: 'viola', cpu: 'blu' });
        await page.waitForTimeout(1600);
        if (name === 'desktop') await page.screenshot({ path: `${out}/${name}-scelta.png` });
        await page.waitForFunction(() => document.querySelector('#bocce-throw').textContent === 'Spingi');
        assert.ok(await page.locator('#micro-help').isVisible(), 'il «Come si gioca» delle macchinine');
        const exit = await page.locator('#closeup-close').boundingBox(), canvas = await page.locator('#scene').boundingBox();
        assert.ok(exit.y >= canvas.y + canvas.height, 'l\'uscita sta fuori dalla pista');
        await page.waitForFunction(async () => (await import('/src/engine/render.js')).hasBackground('assets/closeups/micro/viola.png'));
        const state = () => page.evaluate(() => ({ angle: game.closeup.angle, power: game.closeup.power, step: game.closeup.step, x: game.closeup.cars.player.x }));
        // Un punto della pista davanti alla macchinina di Andrea, in pixel della pagina.
        const ahead = await page.evaluate(() => { const c = game.closeup, i = (c.cars.player.idx + 50) % c.track.n; return c.track.pts[i]; });
        const target = { x: canvas.x + ahead[0] / 640 * canvas.width, y: canvas.y + ahead[1] / 360 * canvas.height };
        if (!mobile) {
            const before = (await state()).angle;
            await page.mouse.move(target.x, target.y + 30, { steps: 4 });
            assert.notEqual((await state()).angle, before, 'senza clic la mira segue il mouse');
            await page.mouse.click(target.x, target.y);
        } else await page.touchscreen.tap(target.x, target.y);
        const aimed = await state();
        assert.equal(aimed.step, 'aim', 'un tocco mira senza spingere');
        await page.screenshot({ path: `${out}/${name}-mira.png` });
        // Si spinge: col mouse tenendo premuto, col dito dal pulsante dopo aver scelto la forza.
        if (!mobile) {
            // Si lascia appena la carica arriva: restando troppo alla carica piena sarebbe un accompagnè.
            await page.mouse.move(target.x, target.y); await page.mouse.down();
            await page.waitForFunction(() => game.closeup.charging && game.closeup.power >= 0.75);
            await page.mouse.up();
        } else {
            await page.locator('#bocce-power').fill('70');
            await page.locator('#bocce-throw').tap();
        }
        await page.waitForTimeout(250);
        const rolling = await state();
        assert.equal(rolling.step, 'rolling', 'la macchinina parte');
        await page.screenshot({ path: `${out}/${name}-corsa.png` });
        // Poi spinge il Chiaru, e si torna a mirare.
        await page.waitForFunction(() => game.closeup.current === 'player' && game.closeup.step === 'aim', null, { timeout: 15000 });
        assert.notEqual((await state()).x, aimed.x, 'la macchinina di Andrea si è mossa');
        await page.screenshot({ path: `${out}/${name}-dopo.png` });
        await page.close();
    }
    assert.deepEqual(errors, []);
    console.log(`ok: schermate in ${out}`);
} finally {
    await browser?.close();
    server.kill();
}