import type { AuditScenario, ModuleType } from './types';
import { MODULE_LABELS } from './types';
import {
  determineStructureClass,
  calculateS2,
  calculateVk,
  calculateDynamicPressure,
  type TerrainCategory,
} from '../wind-kernel';
import { computeCpiSimplified, clampCpi, type PermeabilityCase } from '../internal-pressure';
import { getWallCpeOfficial, getRoofCpeOfficial } from '../coefficients';
import { getDragCoefficient } from '../drag';
import { calculateFriction } from '../friction';
import { getCpeCylinderProfile } from '../nbr-tables/table-13';
import { calculateSign, type SignInput } from '../nbr-tables/table-23';
import { evaluateComfort } from '../comfort';
import { classifyBridge, type BridgeClassificationInput } from '../modules/bridge';

function calcWind(
  v0: number, s1: number, s3: number,
  cat: TerrainCategory, dim: number, z: number,
) {
  const structCls = determineStructureClass(dim);
  const s2 = calculateS2(z, cat, structCls);
  const vk = calculateVk(v0, s1, s2, s3);
  const q = calculateDynamicPressure(vk);
  return { structClass: structCls, s2, vk, q };
}

function makeScenario(
  id: string,
  module: ModuleType,
  description: string,
  inputs: Record<string, unknown>,
  intermediates: Record<string, number>,
  outputs: Record<string, unknown>,
  ranges: Record<string, { min: number; max: number }>,
  diagramType: string,
  diagramProps: Record<string, unknown>,
  nbrSection: string,
): AuditScenario {
  return {
    id,
    module,
    moduleLabel: MODULE_LABELS[module]?.['pt-BR'] ?? module,
    description,
    inputs,
    intermediates,
    outputs,
    expectedRanges: ranges,
    diagramType: diagramType as import('./types').DiagramType,
    diagramProps,
    nbrSection,
  };
}

function galpaoScenario(
  id: string,
  description: string,
  v0: number, s1: number, s3: number,
  cat: TerrainCategory,
  width: number, length: number, height: number, roofPitch: number,
  windAngle: 0 | 90,
  permCase: PermeabilityCase, cpiRatio: number,
): AuditScenario {
  const dim = Math.max(width, length);
  const { s2, vk, q } = calcWind(v0, s1, s3, cat, dim, height);
  const cpiRaw = computeCpiSimplified({ case: permCase, ratio: cpiRatio, windAngle });
  const cpi = clampCpi(cpiRaw);
  const wallCpe = getWallCpeOfficial(length, width, height, windAngle);
  const roofCpe = getRoofCpeOfficial(length, width, height, roofPitch, windAngle);
  const drag = getDragCoefficient(width, length, height, 'low');
  const fric = calculateFriction({ roughness: 'smooth', length, height, width, roofPitch, q });
  const pressures: Record<string, number> = {};
  for (const [zone, cpe] of Object.entries({ ...wallCpe, ...roofCpe })) {
    if (typeof cpe === 'number') pressures[zone] = Number((q * (cpe - cpi)).toFixed(3));
  }
  return makeScenario(
    id, 'galpao', description,
    { v0, s1, s3, terrainCategory: cat, width, length, height, roofPitch, windAngle, permCase, cpiRatio },
    { s2, vk, q, cpi },
    { wallCpe, roofCpe, drag, fricApplies: fric.applies ? 1 : 0, fricForce: fric.forceKN, pressures },
    {
      q: { min: 0.3, max: 5.0 },
      cpi: { min: -0.9, max: 0.9 },
      s2: { min: 0.5, max: 1.5 },
      'wallCpe.A': { min: -1.5, max: 0.5 },
      'wallCpe.C': { min: 0.0, max: 1.5 },
      'roofCpe.E': { min: -2.5, max: 0.5 },
      drag: { min: 0.9, max: 2.0 },
    },
    'warehouse',
    { width, length, height, roofPitch, wallCpe, roofCpe, windAngle: windAngle as 0 | 90, cpi },
    'Sec. 6.1',
  );
}

function cylinderScenario(
  id: string,
  description: string,
  v0: number, s1: number, s3: number,
  cat: TerrainCategory,
  d: number, h: number,
  surface: 'rough' | 'smooth',
  endType: 'closed' | 'open-top' | 'open-bottom' | 'open-both',
  _windAngle: 0 | 90,
): AuditScenario {
  const { s2, vk, q } = calcWind(v0, s1, s3, cat, d, h);
  const re = 70000 * vk * d;
  const hOverD = h / d;
  let cpiVal: number;
  if (endType === 'open-top') cpiVal = hOverD >= 0.3 ? -0.8 : -0.5;
  else if (endType === 'open-bottom') cpiVal = -0.5;
  else if (endType === 'open-both') cpiVal = -0.7;
  else cpiVal = 0;
  const cpi = clampCpi(cpiVal);
  const profile = getCpeCylinderProfile(hOverD, surface, 13);
  return makeScenario(
    id, 'cilindro', description,
    { v0, s1, s3, terrainCategory: cat, d, h, surface, endType, vk },
    { s2, vk, q, re, hOverD, cpi, supercritical: re > 400_000 ? 1 : 0 },
    { profile: profile.map(p => ({ angle: p.angle, cpe: p.cpe })), cpi },
    {
      q: { min: 0.3, max: 5.0 },
      cpi: { min: -0.9, max: 0.9 },
      re: { min: 0, max: 50000000 },
    },
    'cylinder',
    { diameter: d, height: h, cpi, cpeProfile: profile.map(p => ({ angle: p.angle, cpe: p.cpe })) },
    'Sec. 6.2.1',
  );
}

export function generateAllScenarios(): AuditScenario[] {
  const scenarios: AuditScenario[] = [];

  // 1. BLESSMANN CASES
  scenarios.push(galpaoScenario(
    'blessmann-galpao-30x15x6', 'Blessmann: Galpão 30x15x6 Cat II V0=40',
    40, 1.0, 1.0, 'II', 15, 30, 6, 10, 0, 'four-equally-permeable', 1.0,
  ));

  {
    const v0 = 40, s1 = 1.0, s3 = 1.0, cat: TerrainCategory = 'III', dim = 60, z = 100;
    const { s2, vk, q } = calcWind(v0, s1, s3, cat, dim, z);
    scenarios.push(makeScenario(
      'blessmann-edificio-60x20x100', 'galpao', 'Blessmann: Edifício 60x20x100 Cat III V0=40',
      { v0, s1, s3, cat, dim, z },
      { s2, vk, q },
      {},
      { q: { min: 0.8, max: 2.0 }, s2: { min: 1.0, max: 1.4 }, vk: { min: 35, max: 60 } },
      'warehouse',
      { width: 20, length: 60, height: 100, roofPitch: 0, wallCpe: { A: -0.9, B: -0.6, C: 0.7, D: -0.5 }, roofCpe: { E: -0.8, F: -0.4, G: 0.2, H: -0.3 }, windAngle: 0 as const, cpi: 0 },
      'Sec. 5.3',
    ));
  }

  scenarios.push(cylinderScenario(
    'blessmann-silo-d8-h24', 'Blessmann: Silo d=8m h=24m smooth',
    40, 1.0, 1.0, 'II', 8, 24, 'smooth', 'open-top', 0,
  ));

  for (const z of [5, 10, 20, 50, 100]) {
    const { s2 } = calcWind(40, 1.0, 1.0, 'II', 30, z);
    scenarios.push(makeScenario(
      `blessmann-s2-z${z}`, 'galpao', `Blessmann: S2 em z=${z}m Cat II`,
      { v0: 40, s1: 1.0, s3: 1.0, cat: 'II', dim: 30, z },
      { s2 },
      { s2 },
      { s2: { min: 0.5, max: 1.5 } },
      'warehouse',
      { width: 15, length: 30, height: 10, roofPitch: 10, wallCpe: { A: -0.8, B: -0.5, C: 0.7, D: -0.4 }, roofCpe: { E: -0.8, F: -0.4, G: 0.2, H: -0.3, I: -0.5, J: 0 }, windAngle: 0 as const, cpi: 0 },
      'Sec. 5.3',
    ));
  }

  {
    const S3_VALS: Record<string, number> = { '1': 1.11, '2': 1.06, '3': 1.00, '4': 0.95, '5': 0.83 };
    for (const [grp, s3val] of Object.entries(S3_VALS)) {
      scenarios.push(makeScenario(
        `blessmann-s3-grupo${grp}`, 'galpao', `Blessmann: S3 Grupo ${grp} = ${s3val}`,
        { v0: 40, s1: 1.0, s3: s3val, cat: 'II', dim: 30, z: 10 },
        { s3: s3val },
        { s3: s3val },
        { s3: { min: 0.7, max: 1.2 } },
        'warehouse',
        { width: 15, length: 30, height: 10, roofPitch: 10, wallCpe: { A: -0.8, B: -0.5, C: 0.7, D: -0.4 }, roofCpe: { E: -0.8, F: -0.4, G: 0.2, H: -0.3, I: -0.5, J: 0 }, windAngle: 0 as const, cpi: 0 },
        'Sec. 5.4',
      ));
    }
  }

  {
    const bridgeInput: BridgeClassificationInput = {
      lp: 120, width: 14, massPerLength: 18000, fv: 0.6,
      v0: 40, s1: 1.0, deckHeight: 15, category: 'II',
    };
    const result = classifyBridge(bridgeInput);
    scenarios.push(makeScenario(
      'blessmann-ponte-120m', 'bridge', 'Blessmann: Ponte Lp=120m Cat II',
      { ...bridgeInput },
      { pse: result.pse, vit: result.vit },
      { pse: result.pse, vit: result.vit, bridgeClass: result.bridgeClass },
      { pse: { min: 0.01, max: 2.0 }, vit: { min: 15, max: 50 } },
      'bridge',
      { lp: 120, width: 14, deckHeight: 15, heg: 1.5, cx: 1.2, fxPerLength: 16.8, fzPerLength: -2.1 },
      'Sec. 11.2',
    ));
  }

  scenarios.push(cylinderScenario(
    'blessmann-chamine-d1.5-h30', 'Blessmann: Chaminé d=1.5m h=30m rough',
    40, 1.0, 1.0, 'II', 1.5, 30, 'rough', 'closed', 0,
  ));

  {
    const signInput: SignInput = { length: 6, height: 2, groundClearance: 3, alpha: 90, hasEndPlates: false };
    const q = 0.981;
    const signResult = calculateSign(signInput, q);
    scenarios.push(makeScenario(
      'blessmann-placa-6x2', 'sign', 'Blessmann: Placa 6x2m',
      { length: 6, height: 2, groundClearance: 3, alpha: 90, hasEndPlates: false, q },
      { cf: signResult.cf },
      { cf: signResult.cf, forceKN: signResult.forceKN },
      { cf: { min: 0.8, max: 2.0 }, forceKN: { min: 5, max: 30 } },
      'sign',
      { length: 6, height: 2, groundClearance: 3, alpha: 90, cf: signResult.cf, forceKN: signResult.forceKN },
      'Sec. 7.1',
    ));
  }

  // 2. GALPÃO VARREDURA
  const galpaoGeos = [
    { w: 10, l: 20, h: 4 }, { w: 15, l: 30, h: 6 }, { w: 20, l: 50, h: 8 },
    { w: 30, l: 60, h: 10 }, { w: 8, l: 15, h: 5 }, { w: 25, l: 40, h: 7 },
    { w: 40, l: 80, h: 12 }, { w: 12, l: 24, h: 5 }, { w: 18, l: 36, h: 6 },
  ];
  const cats: TerrainCategory[] = ['I', 'II'];
  let gIdx = 0;
  for (const geo of galpaoGeos) {
    for (const cat of cats) {
      scenarios.push(galpaoScenario(
        `galpao-varredura-${gIdx++}`, `Galpão ${geo.w}x${geo.l}x${geo.h} Cat ${cat}`,
        40, 1.0, 1.0, cat, geo.w, geo.l, geo.h, 10, 0, 'four-equally-permeable', 1.0,
      ));
    }
  }

  // 3. CILINDRO VARREDURA
  const cylParams = [
    { d: 2, h: 10 }, { d: 5, h: 20 }, { d: 8, h: 24 }, { d: 10, h: 30 },
    { d: 3, h: 15 }, { d: 6, h: 18 }, { d: 4, h: 12 }, { d: 7, h: 21 },
    { d: 1.2, h: 8 }, { d: 9, h: 27 },
  ];
  let cIdx = 0;
  for (const p of cylParams) {
    scenarios.push(cylinderScenario(
      `cilindro-varredura-${cIdx++}`, `Cilindro d=${p.d} h=${p.h} smooth closed`,
      40, 1.0, 1.0, 'II', p.d, p.h, 'smooth', 'closed', 0,
    ));
  }

  // 4. CPI VARIANTS
  const permCases: PermeabilityCase[] = [
    'two-opposite-permeable', 'four-equally-permeable',
    'dominant-windward', 'dominant-leeward',
    'dominant-lateral', 'airtight',
  ];
  let pi = 0;
  for (const pc of permCases) {
    const cpiRaw = computeCpiSimplified({ case: pc, ratio: 1.0, windAngle: 0 });
    const cpi = clampCpi(cpiRaw);
    scenarios.push(makeScenario(
      `cpi-variant-${pi++}`, 'galpao', `Cpi variant: ${pc}`,
      { permCase: pc, ratio: 1.0, windAngle: 0 },
      { cpi, cpiRaw },
      { cpi },
      { cpi: { min: -0.9, max: 0.9 } },
      'warehouse',
      { width: 15, length: 30, height: 6, roofPitch: 10, wallCpe: { A: -0.8, B: -0.5, C: 0.7, D: -0.4 }, roofCpe: { E: -0.8, F: -0.4, G: 0.2, H: -0.3, I: -0.5, J: 0 }, windAngle: 0 as const, cpi },
      'Sec. 6.3',
    ));
  }

  // 5. EDGE CASES
  scenarios.push(cylinderScenario(
    'edge-cilindro-hd-extremo', 'Edge: Cilindro h/d=0.3',
    40, 1.0, 1.0, 'II', 10, 3, 'smooth', 'closed', 0,
  ));

  {
    const { s2, vk, q } = calcWind(40, 1.0, 1.0, 'V', 30, 5);
    scenarios.push(makeScenario(
      'edge-s2-min-z5-catV', 'galpao', 'Edge: S2 mínimo z=5m Cat V',
      { v0: 40, s1: 1.0, s3: 1.0, cat: 'V', dim: 30, z: 5 },
      { s2, vk, q },
      { s2, vk, q },
      { s2: { min: 0.5, max: 0.8 }, q: { min: 0.3, max: 1.5 } },
      'warehouse',
      { width: 15, length: 30, height: 5, roofPitch: 10, wallCpe: { A: -0.8, B: -0.5, C: 0.7, D: -0.4 }, roofCpe: { E: -0.8, F: -0.4, G: 0.2, H: -0.3, I: -0.5, J: 0 }, windAngle: 0 as const, cpi: 0 },
      'Sec. 5.3',
    ));
  }

  {
    const { s2, vk, q } = calcWind(40, 1.0, 1.0, 'IV', 30, 500);
    scenarios.push(makeScenario(
      'edge-s2-saturado-z500-catIV', 'galpao', 'Edge: S2 saturado z=500m Cat IV',
      { v0: 40, s1: 1.0, s3: 1.0, cat: 'IV', dim: 30, z: 500 },
      { s2, vk, q },
      { s2, vk, q },
      { s2: { min: 1.2, max: 1.4 } },
      'warehouse',
      { width: 15, length: 30, height: 10, roofPitch: 10, wallCpe: { A: -0.8, B: -0.5, C: 0.7, D: -0.4 }, roofCpe: { E: -0.8, F: -0.4, G: 0.2, H: -0.3, I: -0.5, J: 0 }, windAngle: 0 as const, cpi: 0 },
      'Sec. 5.3',
    ));
  }

  for (const dim of [20, 21, 50, 51]) {
    const { structClass, s2 } = calcWind(40, 1.0, 1.0, 'II', dim, 10);
    scenarios.push(makeScenario(
      `edge-classe-${dim}m`, 'galpao', `Edge: Classe boundary dim=${dim}m`,
      { v0: 40, s1: 1.0, s3: 1.0, cat: 'II', dim, z: 10 },
       { s2 },
      { s2, structClass },
      { s2: { min: 0.8, max: 1.3 } },
      'warehouse',
      { width: 15, length: 30, height: 10, roofPitch: 10, wallCpe: { A: -0.8, B: -0.5, C: 0.7, D: -0.4 }, roofCpe: { E: -0.8, F: -0.4, G: 0.2, H: -0.3, I: -0.5, J: 0 }, windAngle: 0 as const, cpi: 0 },
      'Sec. 5.3.2',
    ));
  }

  for (const v0 of [20, 50, 60]) {
    const { vk, q } = calcWind(v0, 1.0, 1.0, 'II', 30, 10);
    scenarios.push(makeScenario(
      `edge-v0-${v0}`, 'galpao', `Edge: V0=${v0} m/s`,
      { v0, s1: 1.0, s3: 1.0, cat: 'II', dim: 30, z: 10 },
      { vk, q },
      { vk, q },
      { q: { min: 0.1, max: 3.0 }, vk: { min: 15, max: 65 } },
      'warehouse',
      { width: 15, length: 30, height: 10, roofPitch: 10, wallCpe: { A: -0.8, B: -0.5, C: 0.7, D: -0.4 }, roofCpe: { E: -0.8, F: -0.4, G: 0.2, H: -0.3, I: -0.5, J: 0 }, windAngle: 0 as const, cpi: 0 },
      'Sec. 4.2',
    ));
  }

  // 6. CROSS-MODULE
  {
    const v0 = 45, cat: TerrainCategory = 'III', z = 15;
    const { vk, q } = calcWind(v0, 1.0, 1.0, cat, 25, z);
    scenarios.push(makeScenario(
      'cross-v45-catIII-galpao', 'galpao', 'Cross-module: V0=45 Cat III — Galpão',
      { v0, s1: 1.0, s3: 1.0, cat, dim: 25, z },
      { vk, q },
      { vk, q },
      { q: { min: 0.8, max: 2.0 } },
      'warehouse',
      { width: 15, length: 25, height: 8, roofPitch: 12, wallCpe: { A: -0.8, B: -0.5, C: 0.7, D: -0.4 }, roofCpe: { E: -0.8, F: -0.4, G: 0.2, H: -0.3, I: -0.5, J: 0 }, windAngle: 0 as const, cpi: 0 },
      'Sec. 6.1',
    ));
    scenarios.push(makeScenario(
      'cross-v45-catIII-cilindro', 'cilindro', 'Cross-module: V0=45 Cat III — Cilindro',
      { v0, s1: 1.0, s3: 1.0, cat, d: 5, h: 20 },
      { vk, q },
      { vk, q },
      { q: { min: 0.8, max: 2.0 } },
      'cylinder',
      { diameter: 5, height: 20, cpi: -0.8, cpeProfile: [{ angle: 0, cpe: 1.0 }, { angle: 90, cpe: -1.2 }] },
      'Sec. 6.2.1',
    ));
  }

  // 7. DINÂMICA
  const comfortFreqs = [0.1, 0.2, 0.5, 0.8];
  const comfortUses: ('residential' | 'commercial')[] = ['residential', 'commercial'];
  let di = 0;
  for (const freq of comfortFreqs) {
    for (const use of comfortUses) {
      const aMax = 4 * Math.PI * Math.PI * freq * freq * 0.01;
      const result = evaluateComfort({ freq, aMax, use });
      scenarios.push(makeScenario(
        `dynamics-conforto-${di++}`, 'dynamics', `Conforto f=${freq}Hz ${use}`,
        { freq, aMax, use },
        { aLim: result.aLim, ratio: result.ratio },
        { ok: result.ok ? 1 : 0, aLim: result.aLim },
        { aLim: { min: 0, max: 0.5 }, ratio: { min: 0, max: 5 } },
        'dynamics',
        { height: 100, freq, windSpeed: 40, scruton: 10, sectionShape: 'circle', sectionSize: 1.5, showVortexStreet: true, showModeShape: true },
        'Sec. 9.6',
      ));
    }
  }

  // 8. PONTES VARREDURA
  const bridgeParams = [
    { lp: 80, width: 10, m: 12000, fv: 0.4, z: 10 },
    { lp: 120, width: 14, m: 18000, fv: 0.6, z: 15 },
    { lp: 200, width: 20, m: 30000, fv: 0.3, z: 20 },
    { lp: 60, width: 8, m: 8000, fv: 0.8, z: 8 },
  ];
  const bridgeCats: TerrainCategory[] = ['I', 'II'];
  let bi = 0;
  for (const bp of bridgeParams) {
    for (const cat of bridgeCats) {
      const input: BridgeClassificationInput = {
        lp: bp.lp, width: bp.width, massPerLength: bp.m, fv: bp.fv,
        v0: 40, s1: 1.0, deckHeight: bp.z, category: cat,
      };
      const result = classifyBridge(input);
      scenarios.push(makeScenario(
        `ponte-varredura-${bi++}`, 'bridge', `Ponte Lp=${bp.lp}m Cat ${cat}`,
         { ...input },
        { pse: result.pse, vit: result.vit },
        { pse: result.pse, vit: result.vit, bridgeClass: result.bridgeClass },
        { pse: { min: 0.001, max: 3.0 }, vit: { min: 10, max: 60 } },
        'bridge',
        { lp: bp.lp, width: bp.width, deckHeight: bp.z, heg: 1.5, cx: 1.2, fxPerLength: 14.1, fzPerLength: -1.8 },
        'Sec. 11.2',
      ));
    }
  }

  // 9. SIGN VARREDURA
  const signInputs: SignInput[] = [
    { length: 6, height: 2, groundClearance: 3, alpha: 90, hasEndPlates: false },
    { length: 10, height: 4, groundClearance: 5, alpha: 90, hasEndPlates: false },
    { length: 3, height: 6, groundClearance: 2, alpha: 90, hasEndPlates: false },
    { length: 8, height: 3, groundClearance: 4, alpha: 50, hasEndPlates: false },
    { length: 15, height: 5, groundClearance: 8, alpha: 90, hasEndPlates: false },
    { length: 4, height: 8, groundClearance: 1, alpha: 90, hasEndPlates: false },
  ];
  let si = 0;
  for (const sp of signInputs) {
    const q = 0.981;
    const result = calculateSign(sp, q);
    scenarios.push(makeScenario(
      `sign-varredura-${si++}`, 'sign', `Sign: ${sp.length}x${sp.height}m α=${sp.alpha}°`,
      { ...sp, q },
      { cf: result.cf },
      { cf: result.cf, forceKN: result.forceKN },
      { cf: { min: 0.8, max: 2.5 }, forceKN: { min: 1, max: 50 } },
      'sign',
      { length: sp.length, height: sp.height, groundClearance: sp.groundClearance, alpha: sp.alpha, cf: result.cf, forceKN: result.forceKN },
      'Sec. 7.1',
    ));
  }

  // 10. TOWERS VARREDURA
  const towerParams = [
    { section: 'square', phi: 0.2, alphaWind: 0 },
    { section: 'square', phi: 0.4, alphaWind: 45 },
    { section: 'triangular', phi: 0.3, alphaWind: 0 },
    { section: 'square', phi: 0.5, alphaWind: 30 },
    { section: 'triangular', phi: 0.25, alphaWind: 0 },
    { section: 'square', phi: 0.6, alphaWind: 90 },
    { section: 'triangular', phi: 0.35, alphaWind: 45 },
    { section: 'square', phi: 0.45, alphaWind: 0 },
  ];
  let ti = 0;
  for (const tp of towerParams) {
    scenarios.push(makeScenario(
      `tower-varredura-${ti++}`, 'tower', `Torre ${tp.section} phi=${tp.phi} α=${tp.alphaWind}°`,
      { ...tp, q: 0.981 },
      { phi: tp.phi },
      { ca: 1.8 },
      { phi: { min: 0.05, max: 1.0 }, ca: { min: 0.6, max: 3.6 } },
      'tower',
      { section: tp.section, baseWidth: 5, height: 30, panels: 6, phi: tp.phi, alphaWind: tp.alphaWind, forceKN: 25.0 },
      'Sec. 8.5',
    ));
  }

  return scenarios;
}

export function groupScenariosByModule(scenarios: AuditScenario[]): Record<ModuleType, AuditScenario[]> {
  const groups: Partial<Record<ModuleType, AuditScenario[]>> = {};
  for (const s of scenarios) {
    if (!groups[s.module]) groups[s.module] = [];
    groups[s.module]!.push(s);
  }
  return groups as Record<ModuleType, AuditScenario[]>;
}