-- schema.sql
CREATE TABLE users (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    username VARCHAR(50) UNIQUE NOT NULL,
    password_hash VARCHAR(255) NOT NULL,
    role VARCHAR(20) NOT NULL CHECK (role IN ('admin', 'user', 'visitor')),
    description TEXT,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE login_attempts (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    ip_address VARCHAR(45) NOT NULL,
    attempt_time DATETIME DEFAULT CURRENT_TIMESTAMP,
    username VARCHAR(50)
);

CREATE TABLE activity_logs (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    user_id INTEGER,
    action_type VARCHAR(20) NOT NULL CHECK (action_type IN ('login', 'logout', 'upload', 'download', 'delete', 'rename')),
    details TEXT,
    ip_address VARCHAR(45),
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (user_id) REFERENCES users(id)
);

-- Insertion d'un utilisateur admin par défaut (mot de passe: admin123)
INSERT INTO users (username, password_hash, role, description)
VALUES ('admin', '$2y$10$YourHashedPasswordHere', 'admin', 'Administrateur principal');