-- Tilbudgivern Advanced Database Setup
-- Ensures all tables have the correct schema for the application

USE tilbudgivern;

-- Update project_quotes table to ensure metadata column exists
ALTER TABLE project_quotes 
ADD COLUMN IF NOT EXISTS metadata LONGTEXT NULL;

-- Update material_prices table to ensure name column exists (not material_name)
ALTER TABLE material_prices 
ADD COLUMN IF NOT EXISTS name VARCHAR(255) NULL AFTER id;

-- Fix material_prices table if it has wrong column names
-- Check if material_name exists and rename it to name
SET @col_exists = 0;
SELECT COUNT(*) INTO @col_exists 
FROM information_schema.columns 
WHERE table_name='material_prices' 
  AND column_name='material_name' 
  AND table_schema='tilbudgivern';

SET @sql = IF(@col_exists > 0, 'ALTER TABLE material_prices CHANGE material_name name VARCHAR(255)', 'SELECT 1');
PREPARE stmt FROM @sql;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;

-- Ensure material_prices has all required columns
ALTER TABLE material_prices 
ADD COLUMN IF NOT EXISTS category VARCHAR(100) NULL,
ADD COLUMN IF NOT EXISTS subcategory VARCHAR(255) NULL,
ADD COLUMN IF NOT EXISTS unit VARCHAR(50) NULL DEFAULT 'stk',
ADD COLUMN IF NOT EXISTS supplier_name VARCHAR(255) NULL,
ADD COLUMN IF NOT EXISTS sku VARCHAR(100) NULL,
ADD COLUMN IF NOT EXISTS confidence DECIMAL(3,2) NULL DEFAULT 1.00,
ADD COLUMN IF NOT EXISTS document_date DATE NULL;

-- Create indexes for better performance
CREATE INDEX IF NOT EXISTS idx_project_quotes_created_at ON project_quotes(created_at);
CREATE INDEX IF NOT EXISTS idx_material_prices_category ON material_prices(category);
CREATE INDEX IF NOT EXISTS idx_project_quotes_project_type ON project_quotes(project_type);

-- Ensure OpenAI usage tracking table exists
CREATE TABLE IF NOT EXISTS openai_usage_tracking (
  id INT AUTO_INCREMENT PRIMARY KEY,
  request_type VARCHAR(100) NOT NULL,
  tokens_used INT NOT NULL DEFAULT 0,
  cost_usd DECIMAL(10,4) NOT NULL DEFAULT 0.0000,
  model VARCHAR(100) NOT NULL DEFAULT 'gpt-4o-mini',
  request_timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  success BOOLEAN DEFAULT TRUE,
  error_message TEXT NULL,
  INDEX idx_timestamp (request_timestamp),
  INDEX idx_request_type (request_type)
);

-- Show confirmation
SELECT 'Database schema updated successfully' as status;