{% extends "base.html" %}
{% block title %}XML Formatter - EveryTools{% endblock %}
{% block top_title %}XML Formatter{% endblock %}

{% block content %}
<div class="client-tool">
    <div class="tool-header">
        <h1>XML Formatter</h1>
        <p>Format, validate, and minify XML data</p>
    </div>
    <div class="split-pane">
        <div class="pane">
            <div class="pane-header">
                <span>Input</span>
                <div>
                    <button class="btn btn-small" onclick="formatXML()">Format</button>
                    <button class="btn btn-small" onclick="minifyXML()">Minify</button>
                </div>
            </div>
            <div class="pane-body">
                <textarea id="xml-input" placeholder="<root><item>value</item></root>"></textarea>
            </div>
        </div>
        <div class="pane">
            <div class="pane-header">
                <span>Output</span>
                <button class="btn btn-small" onclick="copyOutput()"><i class="bi bi-clipboard"></i> Copy</button>
            </div>
            <div class="pane-body">
                <pre id="xml-output"></pre>
            </div>
        </div>
    </div>
    <div id="xml-status" style="margin-top:.5rem;font-size:.85rem"></div>
</div>
{% endblock %}

{% block scripts %}
<script>
function parseXML(src) {
    const doc = new DOMParser().parseFromString(src, "application/xml");
    const err = doc.querySelector("parsererror");
    if (err) throw new Error(err.textContent.split("\n")[0]);
    return doc;
}

function pretty(node, indent) {
    const pad = "  ".repeat(indent);
    if (node.nodeType === 3) {
        const t = node.nodeValue.trim();
        return t ? pad + t : "";
    }
    if (node.nodeType === 8) return pad + "<!--" + node.nodeValue + "-->";
    if (node.nodeType !== 1) return "";

    const attrs = [...node.attributes].map(a => ` ${a.name}="${a.value.replace(/"/g,'&quot;')}"`).join("");
    const name = node.nodeName;
    const kids = [...node.childNodes].filter(n => !(n.nodeType === 3 && !n.nodeValue.trim()));

    if (!kids.length) return `${pad}<${name}${attrs}/>`;
    if (kids.length === 1 && kids[0].nodeType === 3) {
        return `${pad}<${name}${attrs}>${kids[0].nodeValue.trim()}</${name}>`;
    }
    const body = kids.map(k => pretty(k, indent + 1)).filter(Boolean).join("\n");
    return `${pad}<${name}${attrs}>\n${body}\n${pad}</${name}>`;
}

function formatXML() {
    const input = document.getElementById("xml-input").value;
    const status = document.getElementById("xml-status");
    try {
        const doc = parseXML(input);
        const result = pretty(doc.documentElement, 0);
        const decl = input.trim().startsWith("<?xml") ? input.trim().match(/^<\?xml[^?]*\?>/)[0] + "\n" : "";
        document.getElementById("xml-output").textContent = decl + result;
        status.innerHTML = '<span style="color:var(--success)"><i class="bi bi-check-circle"></i> Valid XML</span>';
    } catch (e) {
        status.innerHTML = `<span style="color:var(--danger)"><i class="bi bi-x-circle"></i> ${e.message}</span>`;
    }
}

function minifyXML() {
    const input = document.getElementById("xml-input").value;
    const status = document.getElementById("xml-status");
    try {
        parseXML(input);
        const out = input.replace(/>\s+</g, "><").replace(/\s+/g, " ").trim();
        document.getElementById("xml-output").textContent = out;
        status.innerHTML = '<span style="color:var(--success)"><i class="bi bi-check-circle"></i> Valid XML (minified)</span>';
    } catch (e) {
        status.innerHTML = `<span style="color:var(--danger)"><i class="bi bi-x-circle"></i> ${e.message}</span>`;
    }
}

function copyOutput() {
    navigator.clipboard.writeText(document.getElementById("xml-output").textContent);
}
</script>
{% endblock %}