1+ const CONFIG_FILE = "./config.json" ;
2+
3+ async function readConfig ( ) : Promise < string > {
4+ try {
5+ return await Deno . readTextFile ( CONFIG_FILE ) ;
6+ } catch ( error ) {
7+ if ( error instanceof Deno . errors . NotFound ) {
8+ // Return sample config if config.json doesn't exist
9+ return await Deno . readTextFile ( "./config.json.sample" ) ;
10+ }
11+ throw error ;
12+ }
13+ }
14+
15+ async function writeConfig ( configData : string ) : Promise < void > {
16+ await Deno . writeTextFile ( CONFIG_FILE , configData ) ;
17+ }
18+
19+ async function rebootSystem ( ) : Promise < void > {
20+ try {
21+ // In test mode, don't actually reboot
22+ if ( Deno . env . get ( "PIOSK_TEST_MODE" ) === "true" ) {
23+ console . log ( "Test mode: Would reboot system" ) ;
24+ return ;
25+ }
26+
27+ const command = new Deno . Command ( "reboot" , {
28+ stdout : "piped" ,
29+ stderr : "piped"
30+ } ) ;
31+ await command . output ( ) ;
32+ } catch ( error ) {
33+ console . error ( "Reboot command failed:" , error ) ;
34+ throw error ;
35+ }
36+ }
37+
38+ async function serveStaticFile ( pathname : string ) : Promise < Response > {
39+ let filePath : string ;
40+
41+ if ( pathname === "/" || pathname === "/index.html" ) {
42+ filePath = "./web/index.html" ;
43+ } else {
44+ // Remove leading slash and serve from web directory
45+ filePath = `./web${ pathname } ;
46+ }
47+
48+ try {
49+ const file = await Deno . readFile ( filePath ) ;
50+
51+ // Determine content type
52+ let contentType = "text/plain" ;
53+ if ( filePath . endsWith ( ".html" ) ) {
54+ contentType = "text/html" ;
55+ } else if ( filePath . endsWith ( ".js" ) ) {
56+ contentType = "application/javascript" ;
57+ } else if ( filePath . endsWith ( ".css" ) ) {
58+ contentType = "text/css" ;
59+ } else if ( filePath . endsWith ( ".json" ) ) {
60+ contentType = "application/json" ;
61+ }
62+
63+ return new Response ( file , {
64+ headers : { "Content-Type" : contentType } ,
65+ } ) ;
66+ } catch ( error ) {
67+ if ( error instanceof Deno . errors . NotFound ) {
68+ return new Response ( "Not Found" , { status : 404 } ) ;
69+ }
70+ console . error ( "Error serving file:" , error ) ;
71+ return new Response ( "Internal Server Error" , { status : 500 } ) ;
72+ }
73+ }
74+
75+ async function handler ( req : Request ) : Promise < Response > {
76+ const url = new URL ( req . url ) ;
77+
78+ // Handle API endpoints
79+ if ( url . pathname === "/config" ) {
80+ if ( req . method === "GET" ) {
81+ try {
82+ const config = await readConfig ( ) ;
83+ return new Response ( config , {
84+ headers : { "Content-Type" : "application/json" } ,
85+ } ) ;
86+ } catch ( error ) {
87+ console . error ( "Error reading config:" , error ) ;
88+ return new Response ( "Could not read config." , { status : 500 } ) ;
89+ }
90+ }
91+
92+ if ( req . method === "POST" ) {
93+ try {
94+ const configData = await req . text ( ) ;
95+
96+ // Validate JSON
97+ JSON . parse ( configData ) ;
98+
99+ await writeConfig ( JSON . stringify ( JSON . parse ( configData ) , null , " " ) ) ;
100+
101+ // Reboot system
102+ try {
103+ await rebootSystem ( ) ;
104+ return new Response ( "New config applied; rebooting for changes to take effect..." , { status : 200 } ) ;
105+ } catch ( rebootError ) {
106+ console . error ( "Reboot error:" , rebootError ) ;
107+ return new Response ( "Could not reboot to apply config. Retry or reboot manually." , { status : 500 } ) ;
108+ }
109+ } catch ( error ) {
110+ console . error ( "Error saving config:" , error ) ;
111+ return new Response ( "Could not save config." , { status : 500 } ) ;
112+ }
113+ }
114+ }
115+
116+ // Handle static files
117+ return await serveStaticFile ( url . pathname ) ;
118+ }
119+
120+ const port = parseInt ( Deno . env . get ( "PORT" ) || "80" ) ;
121+ console . log ( `PiOSK Deno server starting on port ${ port } ) ;
122+
123+ Deno . serve ( { port } , handler ) ;
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