-- Migration: Add new columns to competitor_secret_formulas for enhanced analysis
-- Run this once to upgrade the table schema

ALTER TABLE `competitor_secret_formulas`
  ADD COLUMN `tier` VARCHAR(20) DEFAULT 'standard' AFTER `country_code`,
  ADD COLUMN `min_fare` DECIMAL(8,3) DEFAULT 0 AFTER `price_per_min`,
  ADD COLUMN `rmse` DECIMAL(10,4) DEFAULT 0 AFTER `min_fare`,
  ADD COLUMN `r_squared` DECIMAL(10,4) DEFAULT 0 AFTER `rmse`,
  ADD COLUMN `surge_multiplier` DECIMAL(5,3) DEFAULT 1.0 AFTER `r_squared`,
  ADD COLUMN `peak_hours` VARCHAR(255) DEFAULT '[]' AFTER `surge_multiplier`;

-- Make the unique key include tier for multi-tier support
ALTER TABLE `competitor_secret_formulas` 
  DROP INDEX `idx_comp_country`,
  ADD UNIQUE KEY `idx_comp_country_tier` (`competitor_name`, `country_code`, `tier`);

-- New table for surge insights
CREATE TABLE IF NOT EXISTS `competitor_surge_insights` (
  `id` INT AUTO_INCREMENT PRIMARY KEY,
  `competitor_name` VARCHAR(100) NOT NULL,
  `country_code` VARCHAR(5) NOT NULL,
  `surge_multiplier` DECIMAL(5,3) NOT NULL,
  `peak_start_hour` INT NOT NULL,
  `peak_end_hour` INT NOT NULL,
  `sample_count` INT NOT NULL,
  `detected_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
  UNIQUE KEY `unique_surge` (`competitor_name`, `country_code`, `peak_start_hour`, `peak_end_hour`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;