/**
 * slides/07-sandbox-providers.js
 * ----------------------------------------------------------------------------
 * Slide 07 -- Sandbox providers: comparison
 * Table of Modal / Daytona / Runloop / LangSmith.
 */
'use strict';

const { helpers, layouts } = require('../../design-system');

function buildSandboxProviders(pres, theme) {
  const slide = pres.addSlide();
  helpers.slideBase(slide, pres, theme);
  helpers.addHeader(slide, pres, theme, {
    eyebrow: 'STAGE 4',
    sectionNumber: 4,
    title: 'Sandbox-провайдеры',
  });

  // Comparison table card
  const x = 0.5;
  const y = layouts.CONTENT_TOP;
  const w = 9.0;
  const h = 3.55;

  slide.addShape(pres.ShapeType.roundRect, {
    x: x, y: y, w: w, h: h,
    fill: { color: theme.palette.bg.elevated },
    line: { color: theme.palette.border.subtle, width: 1 },
    rectRadius: 0.08,
  });

  // Table headers
  const cols = [
    { label: 'Provider', w: 1.6 },
    { label: 'Setup', w: 1.9 },
    { label: 'Pricing model', w: 1.7 },
    { label: 'Persistent state', w: 1.6 },
    { label: 'Best for', w: 2.2 },
  ];

  const headerY = y + 0.1;
  let cx = x + 0.15;
  cols.forEach(function (c) {
    slide.addShape(pres.ShapeType.rect, {
      x: cx, y: headerY, w: c.w, h: 0.32,
      fill: { color: theme.palette.bg.code },
      line: { color: theme.palette.border.subtle, width: 0.5 },
    });
    slide.addText(c.label, {
      x: cx + 0.05, y: headerY, w: c.w - 0.1, h: 0.32,
      fontFace: helpers.withFallback(theme.fonts.ui),
      fontSize: theme.sizes.caption,
      color: theme.palette.accent.tertiary,
      bold: true,
      charSpacing: 2,
      valign: 'middle',
    });
    cx += c.w;
  });

  const rows = [
    ['ModalBackend',  'token_id + token_secret', 'per-second + GB-s', 'yes (volume)', 'Python-first, GPU-доступный'],
    ['DaytonaBackend','api_key',                'per-session',       'yes (volume)', 'default в README'],
    ['RunloopBackend','api_key',                'per-second',        'yes (volume)', 'dev-цикл, snapshot/restart'],
    ['LangSmithBackend','LANGSMITH_API_KEY',    'через LangSmith',   'через LS',    'уже платите за LangSmith'],
  ];

  const rowH = 0.7;
  rows.forEach(function (row, idx) {
    const ry = headerY + 0.32 + idx * rowH;
    cx = x + 0.15;
    row.forEach(function (cell, cidx) {
      slide.addShape(pres.ShapeType.rect, {
        x: cx, y: ry, w: cols[cidx].w, h: rowH,
        fill: { color: idx % 2 === 0
          ? theme.palette.bg.primary
          : theme.palette.bg.overlay },
        line: { color: theme.palette.border.subtle, width: 0.4 },
      });
      slide.addText(cell, {
        x: cx + 0.05, y: ry, w: cols[cidx].w - 0.1, h: rowH,
        fontFace: helpers.withFallback(theme.fonts.code),
        fontSize: 9,
        color: theme.palette.text.primary,
        valign: 'middle',
      });
      cx += cols[cidx].w;
    });
  });

  helpers.addPageNumber(slide, pres, theme, 7);
  helpers.addSourceLine(slide, pres, theme, {
    source: 'research/per-tech/openswe.md: 78-89, 139-145',
  });
  return slide;
}

module.exports = { buildSandboxProviders };