import pool from '../db/index.js';
import { calculatePrice } from '../services/priceEngine.js';

export async function postPrice(req, res) {
  try {
    const config = req.body || {};
    
    // Fetch all required data
    const [
      products, 
      blockTypes, 
      legacyFinishes, 
      formexMaterials,
      serviceOptions, 
      settingsRows,
      modulesData,
      handlesData,
      hingesData,
      blumData
    ] = await Promise.all([
      pool.query('SELECT id, code, label FROM products WHERE active = true'),
      pool.query('SELECT id, code, label, base_price_chf, width_min_mm, width_max_mm FROM block_types WHERE active = true'),
      pool.query(`
        SELECT f.id, f.code, f.label, pf.width_mm, pf.height_mm, pf.price_chf
        FROM finishes f JOIN panel_formats pf ON pf.id = f.panel_format_id WHERE f.active = true
      `),
      pool.query(`
        SELECT id, formex_code as code, name as label, name, collection, category, 
               width_mm, height_mm, thickness_mm, image_url, price_chf,
               dominant_color as hexColor
        FROM formex_materials WHERE active = 1
      `),
      pool.query('SELECT id, code, label, price_chf, price_type FROM service_options WHERE active = true'),
      pool.query('SELECT key, value FROM settings'),
      pool.query('SELECT id, code, name, category, width_mm, shelves_count, drawers_count, has_rod, base_price_chf FROM modules WHERE active = 1'),
      pool.query('SELECT id, code, name, style, price_chf FROM handle_variants WHERE active = 1'),
      pool.query('SELECT id, code, name, type, price_chf FROM hinge_variants WHERE active = 1'),
      pool.query('SELECT id, code, name, type, variant, price_chf, specs_json FROM blum_hardware WHERE active = 1')
    ]);
    
    const settings = settingsRows.rows.map((r) => ({ key: r.key, value: r.value }));
    
    // Use Formex materials if available, otherwise fall back to legacy finishes
    let finishes = legacyFinishes.rows;
    if (formexMaterials.rows.length > 0) {
      // Fetch dimension variants for Formex materials
      const materialsWithDims = await Promise.all(
        formexMaterials.rows.map(async (mat) => {
          const dims = await pool.query(
            'SELECT id, width_mm, height_mm, thickness_mm, is_default FROM formex_dimensions WHERE material_id = ?',
            [mat.id]
          );
          return {
            ...mat,
            dimensions: dims.rows
          };
        })
      );
      finishes = materialsWithDims;
    }
    
    const data = {
      settings,
      blockTypes: blockTypes.rows,
      finishes,
      serviceOptions: serviceOptions.rows,
      modules: modulesData.rows,
      handles: handlesData.rows,
      hinges: hingesData.rows,
      blumHardware: blumData.rows
    };
    
    const result = calculatePrice(config, data);
    res.json(result);
  } catch (err) {
    console.error('Price calculation error:', err);
    res.status(500).json({ error: err.message });
  }
}