esp32-stoplight/index.html at main · treevar/esp32-stoplight · GitHub

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<!DOCTYPE html>
<html>
<head>
    <title>Stoplight</title>
    <style>
        body{
            display: flex;
            justify-content: center;
            align-items: center;
        }
        #content{
            display: flex;
            flex-direction: column;
            align-items: left;
            max-width: fit-content;
        }
        .title{
            align-self: center;
            text-align: center;
            align-items: center;
        }
        #debugDiv{
            display: none;
        }
        input, select, label {
            margin-bottom: 5px;
        }
    </style>
</head>
<body>
    <div id="content">
    <h1 class="title">Stoplight</h1>
    <h3 class="title">Current Distance</h3>
    <div>
    <div class="title"><span id="distance">--</span> ft</div>
    </div>
    <div>
    <h3 class="title">Settings</h3>
    <label for="threshold">Threshold:</label>
    <input type="number" id="threshold" name="threshold" value="10">ft
    <br>
    <input type="button" id="setThreshold" name="setThreshold" value="Set Threshold">
    <input type="button" id="setCurThreshold" name="setCurThreshold" value="Set Current Distance as Threshold">
    <br>
    <label for="mode">Mode:</label>
    <select id="mode" name="mode">
        <option value="regular" selected>Regular</option>
        <option value="light">Light</option>
        <option value="select" disabled="true">Select Color</option>
    </select>
    <br>
    <div id="colorDiv" style="display:none">
    <label for="color">Color:</label>
    <input type="color" id="color" name="color" value="#ff0000">
    <br>
    <input type="button" id="setColor" name="setColor" value="Set Color">
    <input type="button" id="tryColor" name="tryColor" value="Try Color">
    </div>
    <label for="wifiPswd">WiFi Password:</label>
    <input type="password" id="wifiPswd" name="wifiPswd" value="">
    <input type="button" id="pswdVisBtn" value="Show">
    <br>
    <input type="button" id="setWifiPswd" name="setWifiPswd" value="Set WiFi Password">
    <br>
    <div id="debugDiv">
    <label for="debug">Disable Polling</label>
    <input type="checkbox" id="debug" name="debug" value="debug">
    </div>
    </div>
    <div id="errorDiv">
    <h3 class="title">Errors</h3>
    </div>
    </div>
    <script>
        const modeMap = {
            "regular": 0,
            "select": 1,
            "light": 2
        };
        const featureMap = {
            1: "color"
        };
        const errorMap = {
            1: "TOF Init",
            2: "Light Init",
            4: "Loading From Flash"
        };
        let distance;
        let debug = false;
        let polling = false;
        const distanceUpdateInterval = 1000; //ms
        function setThreshold(threshold){
            if(!Number.isInteger(threshold)){
                alert("Threshold must be an integer value");
                return;
            }
            fetch(`/set?dp=threshold&val=${threshold}`, {method: 'POST'}).then(
                res => {
                    if(!res.ok){
                        alert("Failed to set threshold");
                    }
                }
            );
        }
        function setThresholdCallback(){
            const threshold = ftToMm(document.getElementById("threshold").value);
            setThreshold(threshold);
        }
        function setCurThresholdCallback(){
            setThreshold(distance);
        }
        function procColor(colorStr){
            const color = parseInt(colorStr.replace('#', ''), 16);
            if(!Number.isInteger(color)){
                alert("Color must be a valid hex color");
                return null;
            }
            return color;
        }
        function setColorCallback(){
            const color = procColor(document.getElementById("color").value);
            if(color !== null){
                fetch(`/set?dp=color&val=${color}`, {method: 'POST'});
            }
        }
        function tryColorCallback(){
            const color = procColor(document.getElementById("color").value);
            if(color !== null){
                fetch(`/trycolor?val=${color}`, {method: 'POST'});
            }
        }
        function setWifiPswdCallback(){
            const pswd = document.getElementById("wifiPswd").value;
            if(!isValidPassword(pswd)){
                alert("Password must be 8-63 ASCII characters");
                return;
            }
            fetch(`/set?dp=wifiPswd&val=${encodeURIComponent(pswd)}`, {method: 'POST'});
        }
        function isValidPassword(pswd){
            //Add any password validation logic here
            if(pswd.length < 8 || pswd.length > 63){
                return false;
            }
            for(const char of pswd){
                const code = char.charCodeAt(0);
                if(code < 32 || code > 126){
                    return false;
                }
            }
            return true;
        }
        function intToMode(i){
            for(const [key, val] of Object.entries(modeMap)){
                if(val === i){
                    return key;
                }
            }
            return "regular";
        }
        function modeToInt(mode){
            return modeMap[mode] || 0;
        }
        function setModeCallback(mode){
            const modeInt = modeToInt(mode);
            fetch(`/set?dp=mode&val=${modeInt}`, {method: 'POST'});
        }
        function pswdBtnCallback(){
            const pswdInput = document.getElementById("wifiPswd");
            const btn = document.getElementById("pswdVisBtn");
            if(pswdInput.type === "password"){
                pswdInput.type = "text";
                btn.value = "Hide";
            }
            else {
                pswdInput.type = "password";
                btn.value = "Show";
            }
        }
        function ftToMm(ft){
            ft = parseFloat(ft);
            if(isNaN(ft)){
                return "--";
            }
            return Math.ceil(ft * 304.8);
        }
        function mmToFt(mm){
            mm = parseInt(mm);
            if(isNaN(mm)){
                return "--";
            }
            return (mm / 304.8).toFixed(2);
        }
        function handleFeatures(features){
            for(const [bit, feature] of Object.entries(featureMap)){
                const enabled = features & bit;
                switch(feature){
                    case "color":
                        if(enabled){
                            document.getElementById("colorDiv").style.display = "block";
                            document.querySelector('#mode > option[value="select"]').disabled = false;
                        }
                        break;
                }
            }
        }
        function handleErrors(errors){
            const errorDiv = document.getElementById("errorDiv");
            for(const [bit, err] of Object.entries(errorMap)){
                const hasError = errors & bit;
                if(hasError){
                    let errPara = document.createElement("p");
                    errPara.innerText = err;
                    errorDiv.appendChild(errPara);
                }
            }
        }
        function init(){
            return fetch("/getall").then(
                res => res.json().then(
                    data => {
                        //Initialize Values
                        //distance = data.distance ? data.distance.val : "--";
                        //document.getElementById("distance").innerText = mmToFt(distance);
                        document.getElementById("threshold").value = data.threshold ? mmToFt(data.threshold.val) : "--";
                        document.getElementById("color").value = `#${data.color ? data.color.val.toString(16).padStart(6, '0') : '000000'}`;
                        document.getElementById("mode").value = data.mode ? intToMode(data.mode.val) : "regular";
                        document.getElementById("debug").checked = false;
                        document.getElementById("wifiPswd").value = data.wifiPswd ? data.wifiPswd.val : "";
                        //Register Callbacks
                        document.getElementById("setThreshold").onclick = setThresholdCallback;
                        document.getElementById("setCurThreshold").onclick = setCurThresholdCallback;
                        document.getElementById("setColor").onclick = setColorCallback;
                        document.getElementById("tryColor").onclick = tryColorCallback;
                        document.getElementById("mode").onchange = (event) => setModeCallback(event.target.value);
                        document.getElementById("setWifiPswd").onclick = setWifiPswdCallback;
                        document.getElementById("pswdVisBtn").onclick = pswdBtnCallback;
                        document.getElementById("debug").onchange = (event) => {
                            debug = event.target.checked;
                            if(!debug && !polling){ updateDistance(); }
                        };
                        if(data.features){
                            handleFeatures(data.features.val);
                        }
                        if(data.errors){
                            handleErrors(data.errors.val);
                        }
                        //Start Distance Updates
                        updateDistance();
                    }
                )
            );
        }
        function updateDistance(){
            fetch("/get?dp=distance").then(
                res => res.text().then(
                    val => {
                        polling = true;
                        distance = parseInt(val);
                        document.getElementById("distance").innerText = mmToFt(distance);
                        if(!debug){ setTimeout(updateDistance, distanceUpdateInterval); }
                        else{ polling = false; }
                    }
                )
            );
        }
        init();
    </script>
</body>
</html>