package web

import (
	"context"
	_ "embed"
	"net/http"
)

// atlasHTML is the Phase-A static hero visualization. Phase C replaces this
// self-contained file with a Templ view hydrated from live CAD trace data
// (assessor-loop ledger, session_log, Gitea run API, Flux events).
//
//go:embed static/cad-atlas.html
var atlasHTML []byte

// NewHandler serves the CAD Atlas. Root ("/") returns the static atlas;
// /api/hello is a leftover template probe kept until Phase C wires real endpoints.
func NewHandler() http.Handler {
	mux := http.NewServeMux()
	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Path != "/" {
			http.NotFound(w, r)
			return
		}
		w.Header().Set("Content-Type", "text/html; charset=utf-8")
		_, _ = w.Write(atlasHTML)
	})
	mux.HandleFunc("/api/hello", func(w http.ResponseWriter, r *http.Request) {
		_ = Hello("world").Render(context.Background(), w)
	})
	return mux
}