-- Add users table
CREATE TABLE IF NOT EXISTS users (
    id INT AUTO_INCREMENT PRIMARY KEY,
    username VARCHAR(50) NOT NULL UNIQUE,
    password VARCHAR(255) NOT NULL,
    role ENUM('admin', 'editor', 'viewer') DEFAULT 'viewer',
    full_name VARCHAR(100),
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

-- Safely add status column
SET @dbname = DATABASE();
SET @tablename = "projects";
SET @columnname = "status";
SET @preparedStatement = (SELECT IF(
  (SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS
   WHERE TABLE_SCHEMA = @dbname
     AND TABLE_NAME = @tablename
     AND COLUMN_NAME = @columnname) > 0,
  "SELECT 1",
  "ALTER TABLE projects ADD COLUMN status ENUM('active', 'completed', 'on_hold', 'archived') DEFAULT 'active' AFTER industry"
));
PREPARE stmt FROM @preparedStatement;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;

-- Create default admin user (password: admin123)
INSERT INTO users (username, password, role, full_name) 
VALUES ('admin', '$2y$10$Tsw26nakbueEO40q9tx8Pe4g1yQuWfQFhKXjyVYvbNakTgBi/7NkG', 'admin', 'System Administrator')
ON DUPLICATE KEY UPDATE password = VALUES(password);