//go:build js && wasm

// Command wasm is the client entry point: it wires client capabilities into the
// (generated) routes, then hydrates the server-rendered DOM or renders fresh.
package main

import (
	"gowasmweb/app"
	"kjol/vdom"
	"kjol/wasmruntime"
)

func main() {
	// (The client transport for httputil.FetchGob / FetchJSON needs no wiring —
	// importing wasmruntime installs it. On the server it stays nil, so those
	// fetches no-op during SSR and the page ships its loading state.)
	//
	// Collect the signals created during setup so their values can be preserved
	// across an in-place hot swap. On a normal load RestoreState is nil (fresh
	// state); after a dev hot-reload it carries the previous instance's values,
	// which NewSignal restores by creation order.
	collector := vdom.BeginCollect(wasmruntime.RestoreState())
	router := wasmruntime.NewRouter()
	deps := app.Deps{Path: router.Path, Navigate: router.Navigate}
	routes := app.Routes(deps)
	vdom.EndCollect() // signals created later (during renders) aren't preserved
	wasmruntime.PreserveState(collector)

	render := func() *vdom.VNode { return app.Shell(deps, routes) }
	if wasmruntime.HasServerContent() {
		wasmruntime.Hydrate(render) // static route: adopt the server-rendered DOM
	} else {
		wasmruntime.Run(render) // client-rendered route
	}
}