const envMode = (import.meta.env.VITE_APP_MODE || import.meta.env.MODE || "").toString().toLowerCase();
const enabled = envMode === "debug";
const prefix = "[watch-party]";

type Level = "debug" | "info" | "warn" | "error";

function write(level: Level, ...args: unknown[]) {
    if (!enabled) return;
    const fn = console[level] || console.log;
    fn(prefix, ...args);
}

export const logger = {
    enabled,
    mode: envMode,
    debug: (...args: unknown[]) => write("debug", ...args),
    info: (...args: unknown[]) => write("info", ...args),
    warn: (...args: unknown[]) => write("warn", ...args),
    error: (...args: unknown[]) => write("error", ...args),
};

export function logApiRequest(label: string, details?: Record<string, unknown>) {
    if (!enabled) return;
    logger.debug(`${label}: request`, details || {});
}

export function logApiResponse(label: string, res: Response, details?: Record<string, unknown>) {
    if (!enabled) return;
    logger.debug(`${label}: response`, {
        status: res.status,
        statusText: res.statusText,
        ok: res.ok,
        redirected: res.redirected,
        url: res.url,
        ...details,
    });
}

export function logApiError(label: string, error: unknown) {
    if (!enabled) return;
    logger.error(`${label}: error`, error);
}