/* ============================================================
   qft-variations-tangle.mjs — sketch 07.
   Pursuing "chaotic interconnectedness" via:
     - Cubic mesh FILLS the page (often bleeding past edges)
     - Schlegel hypercube also taking much space
     - Many bright Feynman cross-field links (8–14 per plate)
     - NAUTILUS rosettes (open spirals with chambers growing
       with radius) replacing closed concentric rings
     - Per-field stroke weights for hierarchical emphasis
     - Mid-tone substrates so brightness can work in BOTH
       directions (lighter than bg AND darker)
   Output → output/qft/sketch07/
   ============================================================ */
import { writeFileSync, mkdirSync } from 'node:fs';
import { generateQFTScene } from '../src/qft/scene.js';
import { paramsFromSeed } from '../src/qft/params.js';
import { renderQFTSVG } from '../src/qft/renderer.js';

const BASE_SEED = 'FEYNMAN-7167';
const OUT_DIR = 'output/qft/sketch07';
const SIZE = 1800;
mkdirSync(OUT_DIR, { recursive: true });

// Field config: hueStart, hueEnd, sat, light, opacity. Optional `stroke` per-field.
const F = (hueStart, hueEnd, saturation, lightness, opacity, stroke) => {
  const f = { hueStart, hueEnd, saturation, lightness, opacity };
  if (stroke != null) f.stroke = stroke;
  return f;
};
const paper = (flat, glowInDelta = [16, 14, 12], glowOutDelta = [-22, -20, -18]) => ({
  flat,
  glowIn:  [flat[0] + glowInDelta[0],  flat[1] + glowInDelta[1],  flat[2] + glowInDelta[2]],
  glowOut: [flat[0] + glowOutDelta[0], flat[1] + glowOutDelta[1], flat[2] + glowOutDelta[2]],
});

// Shared base: every plate has cubic+schlegel large, many links, nautilus rosettes
const BASE = {
  cubicN: 1,                                 // N=2 is too busy when cubic fills the page
  photonCyclesPerUnit: 14,
  segmentsPerEdge: 10,
  linkCount: 11,
  // nautilus defaults (used unless overridden)
  e8Style: 'nautilus',
  nautilusTurns: 2.6, nautilusPerTurn: 14, nautilusGrowth: 0.22,
};

const variations = [
  {
    name: '01_E3-evolved-nautilus',
    label: 'E3 evolved · lavender-grey · twin nautilus + counter-rotated cubic',
    overrides: {
      ...BASE,
      paperOverride: paper([198, 198, 215]),
      vignOverride: [60, 55, 75], featureOverride: [40, 40, 60],
      cubicScale: 1.55, cubicRot: 0.80,
      schlegelScale: 1.85, schlegelInnerR: 0.55, schlegelRot3D: -0.30,
      schlegelOriginX: -0.10, schlegelOriginY: 0.10,
      e8Origins: [{ x:  0.42, y: -0.42, scale: 0.55 },
                  { x: -0.42, y:  0.42, scale: 0.55 }],
      linkCount: 12,
      fields: {
        cubic:    F(0.62, 0.70, 0.40, 0.50, 0.50, 1.1),
        schlegel: F(0.62, 0.72, 0.60, 0.32, 0.82, 2.6),     // schlegel thick
        e8:       F(0.65, 0.78, 0.65, 0.48, 0.88, 2.0),
        links:    F(0.05, 0.12, 0.85, 0.50, 0.92, 2.4),     // bright warm links
      },
    },
  },
  {
    name: '02_single-huge-nautilus',
    label: 'Single huge nautilus spiraling out · dense link web',
    overrides: {
      ...BASE,
      paperOverride: paper([175, 170, 185]),               // dusty lavender-grey
      vignOverride: [55, 50, 70], featureOverride: [40, 40, 55],
      cubicScale: 1.50, schlegelScale: 1.20,
      e8Origins: [{ x: 0, y: 0, scale: 0.95 }],            // ONE huge spiral
      nautilusTurns: 3.2, nautilusGrowth: 0.24,
      linkCount: 14,
      fields: {
        cubic:    F(0.58, 0.68, 0.40, 0.42, 0.45, 1.0),
        schlegel: F(0.06, 0.13, 0.50, 0.40, 0.70, 1.8),
        e8:       F(0.08, 0.15, 0.85, 0.52, 0.92, 2.6),    // saturated warm spiral
        links:    F(0.05, 0.15, 0.95, 0.55, 0.95, 2.6),
      },
    },
  },
  {
    name: '03_triangular-three-nautilus',
    label: 'Three nautilus in a triangle · many crisscrossing links',
    overrides: {
      ...BASE,
      paperOverride: paper([185, 175, 160]),               // warm tan-grey
      vignOverride: [70, 55, 35], featureOverride: [50, 40, 25],
      cubicScale: 1.60, schlegelScale: 1.30,
      schlegelRot3D: 0.85,
      e8Origins: [
        { x:  0.00, y: -0.40, scale: 0.40 },
        { x: -0.45, y:  0.35, scale: 0.40 },
        { x:  0.45, y:  0.35, scale: 0.40 },
      ],
      linkCount: 14,
      fields: {
        cubic:    F(0.04, 0.12, 0.45, 0.38, 0.50, 1.0),
        schlegel: F(0.06, 0.14, 0.55, 0.32, 0.72, 1.6),
        e8:       F(0.05, 0.18, 0.80, 0.48, 0.90, 2.2),
        links:    F(0.95, 0.10, 0.95, 0.50, 0.95, 2.4),   // hot pink → orange links
      },
    },
  },
  {
    name: '04_asymmetric-chaos',
    label: 'Asymmetric · nautilus low-right · schlegel bleeding upper-left',
    overrides: {
      ...BASE,
      paperOverride: paper([170, 165, 175]),               // cool grey-mauve
      vignOverride: [60, 55, 70], featureOverride: [40, 40, 55],
      cubicScale: 1.70, cubicOriginX: -0.10,
      schlegelScale: 2.05, schlegelOriginX: -0.30, schlegelOriginY: -0.30,
      schlegelInnerR: 0.40, schlegelRot3D: 0.65,
      e8Origins: [{ x: 0.45, y: 0.40, scale: 0.55 },
                  { x: 0.20, y: 0.55, scale: 0.30 }],
      linkCount: 13,
      fields: {
        cubic:    F(0.72, 0.85, 0.45, 0.40, 0.48, 0.9),
        schlegel: F(0.74, 0.92, 0.55, 0.32, 0.78, 2.4),
        e8:       F(0.86, 0.98, 0.85, 0.50, 0.90, 2.2),
        links:    F(0.50, 0.12, 0.95, 0.55, 0.95, 2.6),    // teal→amber crosslinks
      },
    },
  },
  {
    name: '05_warm-tangle-tan',
    label: 'Warm tan-grey · dense cubic · many small nautilus · many links',
    overrides: {
      ...BASE,
      paperOverride: paper([188, 168, 145]),
      vignOverride: [80, 55, 30], featureOverride: [60, 45, 25],
      cubicScale: 1.60, schlegelScale: 0.95,
      e8Origins: [
        { x: -0.50, y: -0.45, scale: 0.30 },
        { x:  0.45, y: -0.50, scale: 0.30 },
        { x: -0.40, y:  0.45, scale: 0.30 },
        { x:  0.50, y:  0.40, scale: 0.30 },
        { x:  0.00, y:  0.00, scale: 0.30 },              // 5 small nautilus
      ],
      nautilusTurns: 2.0,
      linkCount: 14,
      fields: {
        cubic:    F(0.04, 0.12, 0.55, 0.35, 0.55, 1.0),
        schlegel: F(0.04, 0.10, 0.50, 0.32, 0.68, 1.4),
        e8:       F(0.06, 0.14, 0.85, 0.52, 0.92, 2.2),
        links:    F(0.50, 0.10, 0.90, 0.55, 0.92, 2.4),
      },
    },
  },
  {
    name: '06_sage-with-bright-lighter',
    label: 'Sage midtone · bright LIGHTER nautilus glowing above',
    overrides: {
      ...BASE,
      paperOverride: paper([155, 165, 145]),               // sage midtone
      vignOverride: [55, 70, 50], featureOverride: [235, 240, 225],
      cubicScale: 1.55, schlegelScale: 1.40,
      schlegelInnerR: 0.45, schlegelRot3D: 0.30,
      e8Origins: [{ x: -0.30, y: -0.10, scale: 0.55 },
                  { x:  0.30, y:  0.10, scale: 0.55 }],
      linkCount: 11,
      fields: {
        cubic:    F(0.42, 0.50, 0.40, 0.38, 0.55, 1.1),
        schlegel: F(0.42, 0.48, 0.45, 0.32, 0.72, 1.8),
        e8:       F(0.38, 0.50, 0.30, 0.90, 0.88, 2.2),    // pale-mint lighter than sage
        links:    F(0.38, 0.50, 0.45, 0.92, 0.92, 2.4),
      },
    },
  },
  {
    name: '07_deep-teal-luminous',
    label: 'Deep teal · luminous nautilus + cubic glowing brighter',
    overrides: {
      ...BASE,
      paperOverride: paper([60, 95, 100]),                 // deep teal
      vignOverride: [25, 45, 50], featureOverride: [195, 220, 220],
      cubicScale: 1.55, schlegelScale: 1.35,
      schlegelInnerR: 0.30, schlegelRot3D: 0.45,
      e8Origins: [{ x: 0, y: 0, scale: 0.80 }],
      linkCount: 13,
      fields: {
        cubic:    F(0.50, 0.55, 0.35, 0.82, 0.62, 1.0),   // pale cyan glowing
        schlegel: F(0.48, 0.55, 0.30, 0.80, 0.65, 1.8),
        e8:       F(0.10, 0.20, 0.85, 0.65, 0.92, 2.4),   // hot amber-gold spiral
        links:    F(0.10, 0.04, 0.95, 0.65, 0.95, 2.6),   // bright orange links
      },
    },
  },
  {
    name: '08_bone-thick-white-nautilus',
    label: 'Bone midtone · thick WHITE nautilus chain · dense links',
    overrides: {
      ...BASE,
      paperOverride: paper([185, 175, 160]),
      vignOverride: [60, 50, 35], featureOverride: [55, 45, 30],
      cubicScale: 1.50, schlegelScale: 1.40,
      schlegelInnerR: 0.45, schlegelRot3D: 0.55,
      e8Origins: [
        { x: -0.50, y: 0, scale: 0.40 },
        { x:  0.00, y: 0, scale: 0.40 },
        { x:  0.50, y: 0, scale: 0.40 },
      ],
      nautilusTurns: 2.4,
      linkCount: 12,
      fields: {
        cubic:    F(0.08, 0.14, 0.35, 0.42, 0.45, 1.0),
        schlegel: F(0.08, 0.14, 0.40, 0.38, 0.65, 1.6),
        e8:       F(0.0, 0.0, 0, 0.96, 0.95, 3.0),       // pure white THICK nautilus
        links:    F(0.0, 0.0, 0, 0.96, 0.88, 2.6),       // white connectors too
      },
    },
  },
  {
    name: '09_galaxies-all-same-direction',
    label: 'Spiral galaxies · all nautilus winding the same way',
    overrides: {
      ...BASE,
      paperOverride: paper([170, 170, 195]),               // dusty blue-violet
      vignOverride: [50, 50, 70], featureOverride: [40, 40, 60],
      cubicScale: 1.65, schlegelScale: 1.50,
      schlegelInnerR: 0.40, schlegelRot3D: 0.20,
      e8Origins: [
        { x: -0.45, y: -0.45, scale: 0.32 },
        { x:  0.45, y: -0.30, scale: 0.36 },
        { x: -0.30, y:  0.45, scale: 0.36 },
        { x:  0.50, y:  0.40, scale: 0.32 },
      ],
      nautilusTurns: 3.0,
      linkCount: 12,
      fields: {
        cubic:    F(0.60, 0.70, 0.40, 0.42, 0.50, 1.0),
        schlegel: F(0.62, 0.72, 0.50, 0.38, 0.65, 1.4),
        e8:       F(0.55, 0.80, 0.85, 0.55, 0.92, 2.4),    // each nautilus its own hue
        links:    F(0.10, 0.18, 0.95, 0.55, 0.95, 2.4),
      },
    },
  },
  {
    name: '10_nested-nautilus-mandala',
    label: 'Nested nautilus at three scales · cubic backdrop',
    overrides: {
      ...BASE,
      paperOverride: paper([180, 170, 175]),               // dusky rose-grey
      vignOverride: [70, 50, 55], featureOverride: [55, 35, 40],
      cubicScale: 1.45, schlegelScale: 0.95,
      e8Origins: [
        { x: 0, y: 0, scale: 0.95 },
        { x: 0, y: 0, scale: 0.55 },
        { x: 0, y: 0, scale: 0.25 },
      ],
      nautilusTurns: 2.8,
      linkCount: 10,
      fields: {
        cubic:    F(0.92, 0.05, 0.45, 0.42, 0.45, 0.9),
        schlegel: F(0.92, 0.05, 0.45, 0.40, 0.55, 1.4),
        e8:       F(0.94, 0.06, 0.85, 0.50, 0.88, 2.0),
        links:    F(0.85, 0.95, 0.90, 0.50, 0.92, 2.2),
      },
    },
  },
  {
    name: '11_windblown-biased',
    label: 'Wind-blown · everything biased to the left · drift',
    overrides: {
      ...BASE,
      paperOverride: paper([175, 165, 145]),
      vignOverride: [65, 50, 30], featureOverride: [55, 45, 30],
      cubicScale: 1.55, cubicOriginX: -0.30,
      schlegelScale: 1.60, schlegelOriginX: -0.25,
      schlegelInnerR: 0.40, schlegelRot3D: 0.55,
      compositionOffsetX: -0.10,                          // whole scene shifted left
      e8Origins: [
        { x: -0.55, y: -0.25, scale: 0.42 },
        { x: -0.20, y:  0.35, scale: 0.36 },
      ],
      linkCount: 11,
      fields: {
        cubic:    F(0.06, 0.14, 0.50, 0.38, 0.50, 1.0),
        schlegel: F(0.04, 0.12, 0.55, 0.35, 0.72, 1.8),
        e8:       F(0.08, 0.18, 0.85, 0.50, 0.92, 2.4),
        links:    F(0.95, 0.10, 0.95, 0.55, 0.95, 2.4),
      },
    },
  },
  {
    name: '12_linked-chain-across',
    label: 'Linked chain · nautilus across the diagonal, very bright links',
    overrides: {
      ...BASE,
      paperOverride: paper([170, 175, 185]),               // cool storm-grey
      vignOverride: [50, 55, 70], featureOverride: [40, 45, 60],
      cubicScale: 1.55, schlegelScale: 1.40,
      schlegelInnerR: 0.42, schlegelRot3D: 0.40,
      e8Origins: [
        { x: -0.55, y: -0.40, scale: 0.32 },
        { x: -0.18, y: -0.10, scale: 0.32 },
        { x:  0.18, y:  0.10, scale: 0.32 },
        { x:  0.55, y:  0.40, scale: 0.32 },
      ],
      linkCount: 14,
      fields: {
        cubic:    F(0.55, 0.65, 0.40, 0.42, 0.50, 1.0),
        schlegel: F(0.56, 0.66, 0.50, 0.38, 0.70, 1.6),
        e8:       F(0.08, 0.18, 0.85, 0.55, 0.92, 2.4),    // amber nautilus
        links:    F(0.06, 0.16, 0.95, 0.60, 0.98, 2.8),    // brightest links of the set
      },
    },
  },
  {
    name: '13_spectral-radial-tangle',
    label: 'Spectral radial · everything cycling through the spectrum',
    overrides: {
      ...BASE,
      paperOverride: paper([175, 170, 165]),
      vignOverride: [60, 55, 50], featureOverride: [50, 45, 40],
      gradientMode: 'radial',
      cubicScale: 1.55, schlegelScale: 1.45,
      schlegelInnerR: 0.40, schlegelRot3D: 0.40,
      e8Origins: [{ x: -0.30, y: -0.30, scale: 0.40 },
                  { x:  0.30, y:  0.30, scale: 0.40 }],
      linkCount: 12,
      fields: {
        cubic:    F(0.55, 0.05, 0.65, 0.42, 0.55, 1.0),
        schlegel: F(0.55, 0.05, 0.55, 0.38, 0.70, 1.6),
        e8:       F(0.55, 0.05, 0.85, 0.50, 0.92, 2.2),
        links:    F(0.55, 0.05, 0.95, 0.55, 0.95, 2.6),
      },
    },
  },
  {
    name: '14_quiet-counterexample',
    label: 'Quiet counter-example · single nautilus, fewer links · contemplative',
    overrides: {
      ...BASE,
      paperOverride: paper([195, 190, 185]),
      vignOverride: [55, 50, 45], featureOverride: [55, 50, 45],
      cubicScale: 1.40, schlegelScale: 1.20,
      schlegelInnerR: 0.42, schlegelRot3D: 0.40,
      e8Origins: [{ x: 0, y: 0, scale: 0.65 }],
      linkCount: 5,                                        // quiet
      fields: {
        cubic:    F(0.60, 0.68, 0.30, 0.42, 0.40, 0.9),
        schlegel: F(0.62, 0.70, 0.40, 0.40, 0.60, 1.4),
        e8:       F(0.06, 0.12, 0.65, 0.50, 0.85, 1.8),
        links:    F(0.06, 0.12, 0.70, 0.50, 0.80, 1.8),
      },
    },
  },
  {
    name: '15_heavy-weight-contrast',
    label: 'Weight contrast · thin cubic · THICK schlegel · medium nautilus',
    overrides: {
      ...BASE,
      paperOverride: paper([180, 170, 175]),
      vignOverride: [55, 45, 50], featureOverride: [40, 35, 40],
      cubicScale: 1.65, schlegelScale: 1.55,
      schlegelInnerR: 0.32, schlegelRot3D: 0.60,
      e8Origins: [{ x: -0.30, y:  0.10, scale: 0.42 },
                  { x:  0.35, y: -0.15, scale: 0.42 }],
      linkCount: 11,
      fields: {
        cubic:    F(0.85, 0.95, 0.40, 0.45, 0.45, 0.6),   // very thin
        schlegel: F(0.05, 0.12, 0.55, 0.30, 0.85, 3.4),   // very thick
        e8:       F(0.05, 0.15, 0.85, 0.55, 0.92, 2.0),   // medium
        links:    F(0.50, 0.10, 0.95, 0.55, 0.95, 2.8),   // thick links
      },
    },
  },
];

const base = paramsFromSeed(BASE_SEED);
for (const v of variations) {
  const params = { ...base, ...v.overrides };
  if (v.overrides.fields) params.fields = v.overrides.fields;
  const svg = renderQFTSVG(generateQFTScene(params), params, SIZE);
  const path = `${OUT_DIR}/${v.name}.svg`;
  writeFileSync(path, svg);
  console.log(`ok ${v.name}`);
}
console.log(`\nrendered ${variations.length} variations → ${OUT_DIR}/`);