import { defineConfig } from "vite";
import { svelte } from "@sveltejs/vite-plugin-svelte";
import { viteStaticCopy } from "vite-plugin-static-copy";

const host = process.env.TAURI_DEV_HOST;

export default defineConfig(async () => ({
  plugins: [
    svelte(),
    viteStaticCopy({
      targets: [
        { src: "src/assets/fonts/*", dest: "fonts" },
      ],
    }),
  ],
  clearScreen: false,
  server: {
    port: 1430,
    strictPort: true,
    // Always bind to IPv4 127.0.0.1 explicitly. `host || false` lets
    // vite pick "localhost" which on macOS resolves to both v4 and v6
    // and binds to v6 by default — the Tauri webview then tries v4
    // first and gets a connection refused. The explicit v4 address
    // matches `tauri.conf.json`'s `devUrl` so the webview connects
    // reliably. HMR via Tauri (cross-platform) still works because
    // vite binds both v4 and v6 in modern versions when the address
    // is the v4 loopback; if that breaks for someone we can use
    // `0.0.0.0` to listen on all interfaces instead.
    host: host || "127.0.0.1",
    hmr: host
      ? { protocol: "ws", host, port: 1431 }
      : undefined,
    watch: { ignored: ["**/src-tauri/**"] },
  },
  envPrefix: ["VITE_", "TAURI_ENV_*"],
  build: {
    target: process.env.TAURI_ENV_PLATFORM === "windows" ? "chrome105" : "safari13",
    minify: !process.env.TAURI_ENV_DEBUG ? "esbuild" : false,
    sourcemap: !!process.env.TAURI_ENV_DEBUG,
  },
}));