import {
  concreteYards,
  paintGallons,
  getItemPrice,
  adjustPrice,
} from 'construction-cost-utils';

// How much concrete for a 20x30 ft patio, 4 inches thick?
const yards = concreteYards(20, 30, 4);
console.log(`${yards} cubic yards`); // 7.5 cubic yards

// How many gallons of paint for a 1,200 sq ft room?
const gallons = paintGallons(1200);
console.log(`${gallons} gallons`); // 7 gallons (2 coats)

// Look up hardwood flooring cost
const hardwood = getItemPrice('hardwood-installed');
console.log(`$${hardwood?.typical}/sqft typical`); // $12/sqft typical

// Adjust for California pricing
const caPrice = adjustPrice(12, 'CA');
console.log(`$${caPrice}/sqft in CA`); // $14.16/sqft in CA

import {
  sqftToSqyd,
  sqydToSqft,
  sqftToSqm,
  sqmToSqft,
  linearFtToM,
  mToLinearFt,
  cubicYdToCubicFt,
  cubicFtToCubicYd,
  cubicYdToCubicM,
  cubicMToCubicYd,
  boardFeet,
  roofingSquares,
} from 'construction-cost-utils';

// Area conversions
sqftToSqyd(900);     // 100 square yards
sqydToSqft(100);     // 900 square feet
sqftToSqm(1000);     // 92.90 square meters
sqmToSqft(100);      // 1076.39 square feet

// Length conversions
linearFtToM(10);     // 3.048 meters
mToLinearFt(3);      // 9.843 feet

// Volume conversions
cubicYdToCubicFt(1); // 27 cubic feet
cubicFtToCubicYd(54);// 2 cubic yards
cubicYdToCubicM(1);  // 0.7646 cubic meters
cubicMToCubicYd(1);  // 1.308 cubic yards

// Lumber: board feet for a 2x6x10 board
boardFeet(2, 6, 10); // 10 board feet

// Roofing: 2,000 sq ft roof
roofingSquares(2000); // 20 squares

import {
  drywallSheets,
  paintGallons,
  concreteYards,
  mulchYards,
  tileQuantity,
  studCount,
  insulationBatts,
} from 'construction-cost-utils';

// Drywall sheets for a 400 sq ft room
drywallSheets(400);            // 13 sheets (4x8 default)
drywallSheets(400, 48);        // 9 sheets (4x12)

// Paint gallons for 1,500 sq ft, 2 coats
paintGallons(1500);            // 9 gallons
paintGallons(1500, 1);         // 5 gallons (1 coat)

// Concrete for a 12x12 patio, 4 inches deep
concreteYards(12, 12, 4);      // 1.75 cubic yards

// Mulch for a 500 sq ft garden bed, 3 inches deep
mulchYards(500);               // 2.5 cubic yards
mulchYards(500, 4);            // 3.5 cubic yards (4-inch depth)

// Tiles for 200 sq ft, 12x12 tiles (1 sq ft each), 10% waste
tileQuantity(200, 1.0);        // 220 tiles
tileQuantity(200, 1.0, 0.15);  // 230 tiles (15% waste for diagonal)

// Studs for a 24-ft wall, 16 inches on center
studCount(24);                 // 19 studs
studCount(24, 24);             // 13 studs (24" OC)

// Insulation batts for 400 sq ft of wall
insulationBatts(400);          // 42 batts (15" x 93" default)

import {
  getItemPrice,
  getTradeItems,
  getRegionalMultiplier,
  adjustPrice,
  listTrades,
} from 'construction-cost-utils';

// Look up a specific item
const item = getItemPrice('countertop-quartz');
// {
//   id: 'countertop-quartz',
//   description: 'Quartz countertop, installed',
//   unit: 'sq ft',
//   low: 50,
//   typical: 100,
//   high: 200,
//   trade: 'kitchen-remodel'
// }

// Get all items for a trade
const deckItems = getTradeItems('deck');
// Returns 3 deck-related pricing items

// List available trades
const trades = listTrades();
// ['concrete', 'flooring', 'roofing', 'tile', 'drywall', ...]

// Regional pricing adjustment
const multiplier = getRegionalMultiplier('TX');
// { stateCode: 'TX', multiplier: 0.90, region: 'west-south-central' }

// Adjust a national average price for Texas
adjustPrice(100, 'TX'); // 90.00 (Texas is 10% below national average)
adjustPrice(100, 'HI'); // 125.00 (Hawaii is 25% above national average)

import type {
  PricingItem,
  TradeGroup,
  RegionalMultiplier,
  ProjectCost,
} from 'construction-cost-utils';