CREATE TABLE IF NOT EXISTS settings (
    key TEXT NOT NULL PRIMARY KEY,
    value TEXT NOT NULL,
    updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS domains (
    id TEXT NOT NULL PRIMARY KEY,
    name TEXT NOT NULL UNIQUE,
    certificate_type TEXT NOT NULL,
    sans_json TEXT NOT NULL,
    status TEXT NOT NULL,
    expires_at DATETIME NULL,
    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS tasks (
    id TEXT NOT NULL PRIMARY KEY,
    domain_id TEXT NOT NULL,
    task_type TEXT NOT NULL,
    status TEXT NOT NULL,
    message TEXT NOT NULL,
    started_at DATETIME NULL,
    finished_at DATETIME NULL,
    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS audit_logs (
    id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
    action TEXT NOT NULL,
    resource_type TEXT NOT NULL,
    resource_id TEXT NOT NULL,
    status TEXT NOT NULL,
    message TEXT NOT NULL,
    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
);