tilbudgivern/backend/sql/customer_project_system.sql

-- Customer Project System Database Schema
-- Opretter tabeller for det nye strukturerede tilbuds-flow

-- Kunde projekter
CREATE TABLE IF NOT EXISTS customer_projects (
  id INT AUTO_INCREMENT PRIMARY KEY,
  project_name VARCHAR(255) NOT NULL,
  customer_name VARCHAR(255) NOT NULL,
  customer_email VARCHAR(255),
  customer_phone VARCHAR(50),
  customer_address TEXT,
  project_description TEXT,
  project_status ENUM('draft', 'geometry_pending', 'labor_pending', 'materials_pending', 'calculation_ready', 'quote_generated', 'sent', 'accepted', 'rejected') DEFAULT 'draft',
  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  
  INDEX idx_status (project_status),
  INDEX idx_customer (customer_name),
  INDEX idx_created (created_at)
);

-- Tag geometri specifikt for tag arbejde
CREATE TABLE IF NOT EXISTS roof_geometry (
  id INT AUTO_INCREMENT PRIMARY KEY,
  project_id INT NOT NULL,
  roof_type ENUM('fladt_tag', 'skraat_tag', 'mansard', 'komplekst') NOT NULL,
  total_area DECIMAL(10,2) NOT NULL COMMENT 'Samlet areal i m²',
  roof_pitch DECIMAL(5,2) COMMENT 'Taghældning i grader',
  roof_height DECIMAL(8,2) COMMENT 'Taghøjde i meter',
  complexity_factor DECIMAL(3,2) DEFAULT 1.0 COMMENT 'Kompleksitetsfaktor 1.0-2.0',
  
  -- Detaljerede målinger
  length_main DECIMAL(8,2) COMMENT 'Hovedlængde i meter',
  width_main DECIMAL(8,2) COMMENT 'Hovedbredde i meter',
  
  -- Specielle forhold
  has_dormers BOOLEAN DEFAULT FALSE COMMENT 'Har kviste',
  has_chimneys BOOLEAN DEFAULT FALSE COMMENT 'Har skorstene',
  has_skylights BOOLEAN DEFAULT FALSE COMMENT 'Har ovenlys',
  access_difficulty ENUM('let', 'medium', 'svær') DEFAULT 'medium',
  
  -- Beregnet data
  estimated_work_hours DECIMAL(8,2) COMMENT 'Estimerede arbejdstimer',
  estimated_carpenters INT COMMENT 'Anbefalede antal tømrere',
  
  notes TEXT,
  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  
  FOREIGN KEY (project_id) REFERENCES customer_projects(id) ON DELETE CASCADE,
  INDEX idx_project (project_id),
  INDEX idx_roof_type (roof_type)
);

-- Arbejdstimer og tømrere
CREATE TABLE IF NOT EXISTS project_labor (
  id INT AUTO_INCREMENT PRIMARY KEY,
  project_id INT NOT NULL,
  carpenter_count INT NOT NULL DEFAULT 1,
  estimated_hours_per_carpenter DECIMAL(8,2) NOT NULL,
  total_work_hours DECIMAL(8,2) NOT NULL,
  hourly_rate DECIMAL(8,2) NOT NULL DEFAULT 580.00 COMMENT 'Fast pris 580 kr/time',
  total_labor_cost DECIMAL(12,2) NOT NULL,
  
  -- Detaljer om arbejdsopgaver
  work_breakdown JSON COMMENT 'Detaljeret opdeling af arbejdsopgaver',
  
  notes TEXT,
  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  
  FOREIGN KEY (project_id) REFERENCES customer_projects(id) ON DELETE CASCADE,
  INDEX idx_project (project_id)
);

-- Projekt materialer
CREATE TABLE IF NOT EXISTS project_materials (
  id INT AUTO_INCREMENT PRIMARY KEY,
  project_id INT NOT NULL,
  material_name VARCHAR(255) NOT NULL,
  material_category VARCHAR(100),
  quantity DECIMAL(10,3) NOT NULL,
  unit VARCHAR(50) NOT NULL,
  unit_price DECIMAL(10,2) NOT NULL,
  total_price DECIMAL(12,2) NOT NULL,
  supplier VARCHAR(255),
  material_source ENUM('manual', 'database', 'bygma_api') DEFAULT 'manual',
  
  notes TEXT,
  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  
  FOREIGN KEY (project_id) REFERENCES customer_projects(id) ON DELETE CASCADE,
  INDEX idx_project (project_id),
  INDEX idx_category (material_category)
);

-- Projekt beregninger (råtilbud)
CREATE TABLE IF NOT EXISTS project_calculations (
  id INT AUTO_INCREMENT PRIMARY KEY,
  project_id INT NOT NULL,
  
  -- Geometri opsummering
  total_area DECIMAL(10,2),
  complexity_factor DECIMAL(3,2),
  
  -- Arbejdstimer opsummering
  total_work_hours DECIMAL(8,2),
  carpenter_count INT,
  total_labor_cost DECIMAL(12,2),
  
  -- Materialer opsummering
  total_material_cost DECIMAL(12,2),
  material_count INT,
  
  -- Totaler
  subtotal DECIMAL(12,2),
  overhead_percentage DECIMAL(5,2) DEFAULT 15.00,
  overhead_amount DECIMAL(12,2),
  profit_percentage DECIMAL(5,2) DEFAULT 20.00,
  profit_amount DECIMAL(12,2),
  total_excl_vat DECIMAL(12,2),
  vat_percentage DECIMAL(5,2) DEFAULT 25.00,
  vat_amount DECIMAL(12,2),
  total_incl_vat DECIMAL(12,2),
  
  -- Metadata
  calculation_data JSON COMMENT 'Detaljerede beregningsdata',
  
  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  
  FOREIGN KEY (project_id) REFERENCES customer_projects(id) ON DELETE CASCADE,
  INDEX idx_project (project_id)
);

-- Genererede tilbud
CREATE TABLE IF NOT EXISTS generated_quotes (
  id INT AUTO_INCREMENT PRIMARY KEY,
  project_id INT NOT NULL,
  calculation_id INT NOT NULL,
  
  quote_text TEXT NOT NULL COMMENT 'AI-genereret tilbudstekst',
  quote_format ENUM('text', 'html', 'pdf') DEFAULT 'html',
  
  -- AI usage tracking
  ai_tokens_used INT,
  ai_cost DECIMAL(8,4),
  ai_model VARCHAR(50),
  
  quote_status ENUM('draft', 'approved', 'sent', 'accepted', 'rejected') DEFAULT 'draft',
  sent_at TIMESTAMP NULL,
  valid_until DATE,
  
  created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  
  FOREIGN KEY (project_id) REFERENCES customer_projects(id) ON DELETE CASCADE,
  FOREIGN KEY (calculation_id) REFERENCES project_calculations(id) ON DELETE CASCADE,
  INDEX idx_project (project_id),
  INDEX idx_status (quote_status)
);

-- Bygma API cache (for version 2)
CREATE TABLE IF NOT EXISTS bygma_materials_cache (
  id INT AUTO_INCREMENT PRIMARY KEY,
  product_id VARCHAR(100) UNIQUE,
  product_name VARCHAR(255),
  category VARCHAR(100),
  subcategory VARCHAR(100),
  unit VARCHAR(50),
  price DECIMAL(10,2),
  stock_status VARCHAR(50),
  supplier_info JSON,
  last_updated TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  
  INDEX idx_category (category),
  INDEX idx_name (product_name),
  INDEX idx_updated (last_updated)
);

-- Stark API cache (samme struktur som Bygma)
CREATE TABLE IF NOT EXISTS stark_materials_cache (
  id INT AUTO_INCREMENT PRIMARY KEY,
  product_id VARCHAR(100) UNIQUE,
  product_name VARCHAR(255),
  category VARCHAR(100),
  subcategory VARCHAR(100),
  unit VARCHAR(50),
  price DECIMAL(10,2),
  stock_status VARCHAR(50),
  supplier_info JSON,
  last_updated TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  
  INDEX idx_category (category),
  INDEX idx_name (product_name),
  INDEX idx_updated (last_updated)
);