-- Migration: Founder Matching and Additional Fields
CREATE TABLE IF NOT EXISTS swipes (
    id INT AUTO_INCREMENT PRIMARY KEY,
    swiper_id INT NOT NULL,
    swiped_id INT NOT NULL,
    direction ENUM('like', 'dislike') NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (swiper_id) REFERENCES users(id) ON DELETE CASCADE,
    FOREIGN KEY (swiped_id) REFERENCES users(id) ON DELETE CASCADE,
    UNIQUE KEY unique_swipe (swiper_id, swiped_id)
);

CREATE TABLE IF NOT EXISTS matches (
    id INT AUTO_INCREMENT PRIMARY KEY,
    user1_id INT NOT NULL,
    user2_id INT NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (user1_id) REFERENCES users(id) ON DELETE CASCADE,
    FOREIGN KEY (user2_id) REFERENCES users(id) ON DELETE CASCADE,
    UNIQUE KEY unique_match (user1_id, user2_id)
);

-- Add missing onboarding fields
ALTER TABLE users 
ADD COLUMN preferred_working_style ENUM('remote', 'in-person', 'hybrid') AFTER risk_tolerance,
ADD COLUMN availability VARCHAR(255) AFTER preferred_working_style;