use anyhow::Result;

use crate::ipc::Request;
use super::output::{print_value, resolve};
use super::transport;

/// `wx extract` — 把单个 `attachment_id` 对应的资源解密写到指定路径。
///
/// daemon 端：解析 `attachment_id` → 查 `message_resource.db` 拿 file md5 →
/// 在 `<wxchat_base>/msg/attach/...` 找 .dat → 按 magic 分发到 v1/v2 解码器 →
/// 写出真实图片/文件。
pub fn cmd_extract(
    attachment_id: String,
    output: String,
    overwrite: bool,
    json: bool,
) -> Result<()> {
    let req = Request::Extract {
        attachment_id,
        output,
        overwrite,
    };
    let resp = transport::send(req)?;
    print_value(&resp.data, &resolve(json))
}