const USER_TABLE_SCHEMA_SQL = `
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,
    git_name TEXT,
    git_email TEXT,
    has_completed_onboarding BOOLEAN DEFAULT 0
);
`;

export const API_KEYS_TABLE_SCHEMA_SQL = `
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
);
`;

export const USER_CREDENTIALS_TABLE_SCHEMA_SQL = `
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
);
`;

export const SESSIONS_TABLE_SCHEMA_SQL = `
CREATE TABLE IF NOT EXISTS sessions (
    session_id TEXT PRIMARY KEY NOT NULL,
    provider TEXT NOT NULL,
    custom_name TEXT,
    workspace_path TEXT NOT NULL,
    FOREIGN KEY (workspace_path) REFERENCES workspace_original_paths(workspace_path)
    ON DELETE CASCADE
    ON UPDATE CASCADE
);
`;

export const WORK_SPACE_PATH_SQL = `
CREATE TABLE IF NOT EXISTS workspace_original_paths (
    workspace_path TEXT PRIMARY KEY NOT NULL,
    custom_workspace_name TEXT DEFAULT NULL
);
`

export const LAST_SCANNED_AT_SQL = `
CREATE TABLE IF NOT EXISTS scan_state (
  id INTEGER PRIMARY KEY CHECK (id = 1),
  last_scanned_at TIMESTAMP NULL
);
`

export const APP_CONFIG_TABLE_SCHEMA_SQL = `
CREATE TABLE IF NOT EXISTS app_config (
    key TEXT PRIMARY KEY,
    value TEXT NOT NULL,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
);
`;


export const INIT_SCHEMA_SQL = `
-- Initialize authentication database
PRAGMA foreign_keys = ON;

${USER_TABLE_SCHEMA_SQL}
-- Indexes for performance for user lookups
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_SCHEMA_SQL}
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_SCHEMA_SQL}
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);

${SESSIONS_TABLE_SCHEMA_SQL}
CREATE INDEX IF NOT EXISTS idx_session_ids_lookup ON sessions(session_id);

${WORK_SPACE_PATH_SQL}

${LAST_SCANNED_AT_SQL}

${APP_CONFIG_TABLE_SCHEMA_SQL}
`;