use tauri::{Emitter, Manager, WebviewUrl, WebviewWindowBuilder};

use crate::PreferencesScript;

/// Open a floating always-on-top task window.
#[tauri::command]
pub async fn open_task_window(
    app: tauri::AppHandle,
) -> Result<(), String> {
    if let Some(window) = app.get_webview_window("tasks-float") {
        window.show().map_err(|e| e.to_string())?;
        window.set_focus().map_err(|e| e.to_string())?;
        app.emit("task-window-focus", ())
            .map_err(|e| e.to_string())?;
        return Ok(());
    }

    let mut builder = WebviewWindowBuilder::new(
        &app,
        "tasks-float",
        WebviewUrl::App("/float".into()),
    )
    .title("Kon Tasks")
    .inner_size(480.0, 520.0)
    .min_inner_size(400.0, 400.0)
    .always_on_top(true)
    .decorations(false)
    .resizable(true);

    // Inject preferences before Svelte mounts
    if let Some(script) = app.try_state::<PreferencesScript>() {
        if !script.0.is_empty() {
            builder = builder.initialization_script(&script.0);
        }
    }

    builder.build().map_err(|e| e.to_string())?;

    Ok(())
}

/// Open the transcript viewer window.
#[tauri::command]
pub async fn open_viewer_window(
    app: tauri::AppHandle,
) -> Result<(), String> {
    if let Some(window) = app.get_webview_window("transcript-viewer") {
        window.show().map_err(|e| e.to_string())?;
        window.set_focus().map_err(|e| e.to_string())?;
        return Ok(());
    }

    let mut builder = WebviewWindowBuilder::new(
        &app,
        "transcript-viewer",
        WebviewUrl::App("/viewer".into()),
    )
    .title("Kon - Viewer")
    .inner_size(600.0, 700.0)
    .min_inner_size(450.0, 500.0)
    .decorations(false)
    .resizable(true);

    // Inject preferences before Svelte mounts
    if let Some(script) = app.try_state::<PreferencesScript>() {
        if !script.0.is_empty() {
            builder = builder.initialization_script(&script.0);
        }
    }

    builder.build().map_err(|e| e.to_string())?;

    Ok(())
}