-- Initialize authentication database
PRAGMA foreign_keys = ON;

-- Users table (single user system)
CREATE TABLE IF NOT EXISTS users (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    username TEXT UNIQUE NOT NULL,
    password_hash TEXT NOT NULL,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    last_login DATETIME,
    is_active BOOLEAN DEFAULT 1
);

-- Indexes for performance
CREATE INDEX IF NOT EXISTS idx_users_username ON users(username);
CREATE INDEX IF NOT EXISTS idx_users_active ON users(is_active);

-- API Keys table for external API access
CREATE TABLE IF NOT EXISTS api_keys (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    user_id INTEGER NOT NULL,
    key_name TEXT NOT NULL,
    api_key TEXT UNIQUE NOT NULL,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    last_used DATETIME,
    is_active BOOLEAN DEFAULT 1,
    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
);

CREATE INDEX IF NOT EXISTS idx_api_keys_key ON api_keys(api_key);
CREATE INDEX IF NOT EXISTS idx_api_keys_user_id ON api_keys(user_id);
CREATE INDEX IF NOT EXISTS idx_api_keys_active ON api_keys(is_active);

-- User credentials table for storing various tokens/credentials (GitHub, GitLab, etc.)
CREATE TABLE IF NOT EXISTS user_credentials (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    user_id INTEGER NOT NULL,
    credential_name TEXT NOT NULL,
    credential_type TEXT NOT NULL, -- 'github_token', 'gitlab_token', 'bitbucket_token', etc.
    credential_value TEXT NOT NULL,
    description TEXT,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
    is_active BOOLEAN DEFAULT 1,
    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
);

CREATE INDEX IF NOT EXISTS idx_user_credentials_user_id ON user_credentials(user_id);
CREATE INDEX IF NOT EXISTS idx_user_credentials_type ON user_credentials(credential_type);
CREATE INDEX IF NOT EXISTS idx_user_credentials_active ON user_credentials(is_active);