module livekit

import time
import rand
import crypto.hmac
import crypto.sha256
import encoding.base64
import json

// Struct representing grants
pub struct ClaimGrants {
pub mut:
	video VideoGrant
	iss   string
	exp   i64
	nbf   int
	sub   string
	name  string
}

// // VideoGrant struct placeholder
// pub struct VideoGrant {
// pub mut:
// 	room             string
// 	room_join        bool @[json: 'roomJoin']
// 	room_list        bool @[json: 'roomList']
// 	can_publish      bool @[json: 'canPublish']
// 	can_publish_data bool @[json: 'canPublishData']
// 	can_subscribe    bool @[json: 'canSubscribe']
// }

// SIPGrant struct placeholder
struct SIPGrant {}

// // AccessToken class
// pub struct AccessToken {
// mut:
// 	api_key    string
// 	api_secret string
// 	grants     ClaimGrants
// 	identity   string
// 	ttl        int
// }

// Method to add a video grant to the token
// pub fn (mut token AccessToken) add_video_grant(grant VideoGrant) {
// 	token.grants.video = grant
// }

// // Method to generate a JWT token
// pub fn (token AccessToken) to_jwt() !string {
// 	// Create JWT payload
// 	payload := json.encode(token.grants)

// 	println('payload: ${payload}')

// 	// Create JWT header
// 	header := '{"alg":"HS256","typ":"JWT"}'

// 	// Encode header and payload in base64
// 	header_encoded := base64.url_encode_str(header)
// 	payload_encoded := base64.url_encode_str(payload)

// 	// Create the unsigned token
// 	unsigned_token := '${header_encoded}.${payload_encoded}'

// 	// Create the HMAC-SHA256 signature
// 	signature := hmac.new(token.api_secret.bytes(), unsigned_token.bytes(), sha256.sum,
// 		sha256.block_size)

// 	// Encode the signature in base64
// 	signature_encoded := base64.url_encode(signature)

// 	// Create the final JWT
// 	jwt := '${unsigned_token}.${signature_encoded}'
// 	return jwt
// }