CREATE EXTENSION IF NOT EXISTS "uuid-ossp";

CREATE TABLE IF NOT EXISTS users (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    email VARCHAR(255) UNIQUE NOT NULL,
    password_hash VARCHAR(255) NOT NULL,
    role VARCHAR(50) DEFAULT 'free',
    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS qr_codes (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    user_id UUID REFERENCES users(id) ON DELETE CASCADE,
    type VARCHAR(20) NOT NULL, -- 'static' or 'dynamic'
    data_type VARCHAR(50) NOT NULL, -- 'URL', 'Wi-Fi', etc.
    destination_url TEXT,
    short_url_id VARCHAR(50) UNIQUE, -- Only for dynamic routing e.g. 'xyz123'
    design_data JSONB, -- Custom styling
    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS qr_scans (
    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
    qr_code_id UUID REFERENCES qr_codes(id) ON DELETE CASCADE,
    ip_address VARCHAR(45),
    user_agent TEXT,
    os VARCHAR(50),
    device_type VARCHAR(50),
    browser VARCHAR(50),
    country VARCHAR(100),
    city VARCHAR(100),
    scanned_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
);