use crate::cli::DeleteArgs;
use crate::error::Result;
use crate::pw::{loopback, PwGraph};
use crate::state::{self, VmicState};
use crate::ui;

pub fn run(args: DeleteArgs) -> Result<()> {
    let conn = state::open_db()?;
    let name = state::normalize(&args.name);
    let mut state = VmicState::load(&conn, &name)?;
    let graph = PwGraph::connect()?;

    if let Some(loopback_id) = state.loopback_id {
        loopback::unload_pulse_module(loopback_id)?;
    }

    // Unlink a mixed-in hardware source explicitly; the links would also
    // die with the nodes below.
    super::unsource(&graph, &mut state)?;

    if let Some(pid) = state.mix_pid {
        loopback::terminate_stage(pid, &state.mix_name)?;
    }
    if let Some(pid) = state.sink_pid {
        loopback::terminate_stage(pid, &state.sink_name)?;
    }

    VmicState::delete(&conn, &name)?;
    ui::ok(&format!("Deleted virtual mic '{name}'."));
    Ok(())
}