278 lines
12 KiB
JavaScript
278 lines
12 KiB
JavaScript
(function () {
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const boot = window.MaalFlows || {};
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const apiBase = (boot.apiBase || "").replace(/\/$/, "") || new URL(document.currentScript.src).origin;
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const siteKey = boot.siteKey || "9b-plus";
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const lang = (boot.lang || document.documentElement.lang || navigator.language || "cs").slice(0, 2).toLowerCase();
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const storageKey = `maalflows:${siteKey}`;
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const session = loadSession();
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fetch(`${apiBase}/api/widget/config?siteKey=${encodeURIComponent(siteKey)}`)
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.then((res) => res.json())
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.then((config) => mount(config))
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.catch(() => {});
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function mount(config) {
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const site = config.site;
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const settings = site.settings;
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const copy = localized(settings, lang);
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const host = document.createElement("div");
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host.id = "maalflows-widget";
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document.body.append(host);
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const root = host.attachShadow({ mode: "open" });
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root.innerHTML = `
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<style>${styles(settings)}</style>
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<button class="mf-launcher" type="button" aria-label="${copy.title}">
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<span></span>
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</button>
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<section class="mf-panel" aria-live="polite">
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<header>
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<strong>${escapeHtml(copy.title)}</strong>
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<small>${escapeHtml(site.isOnline ? copy.intro : copy.offlineIntro)}</small>
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<button class="mf-close" type="button" aria-label="Close">×</button>
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</header>
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<div class="mf-messages"></div>
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<div class="mf-typing" hidden>Operator pise...</div>
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<form class="mf-form">
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<details>
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<summary>${escapeHtml(copy.detailsLabel)}</summary>
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<input name="name" autocomplete="name" placeholder="Jmeno">
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<input name="email" type="email" autocomplete="email" placeholder="Email">
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<input name="phone" autocomplete="tel" placeholder="Telefon">
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</details>
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<textarea name="message" required rows="3" placeholder="${escapeHtml(copy.placeholder)}"></textarea>
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<div class="mf-actions">
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<input name="attachments" type="file" accept="image/*" multiple>
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<button type="submit">${escapeHtml(copy.sendLabel)}</button>
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</div>
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<p class="mf-note">Odeslanim zpravy nam predavate udaje potrebne pro odpoved.</p>
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</form>
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</section>
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`;
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const panel = root.querySelector(".mf-panel");
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const launcher = root.querySelector(".mf-launcher");
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const close = root.querySelector(".mf-close");
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const form = root.querySelector(".mf-form");
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const messages = root.querySelector(".mf-messages");
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const typing = root.querySelector(".mf-typing");
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launcher.addEventListener("click", () => panel.classList.toggle("open"));
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close.addEventListener("click", () => panel.classList.remove("open"));
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form.message.addEventListener("input", debounce(() => {
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if (!session.conversationId) return;
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fetch(`${apiBase}/api/widget/conversations/${session.conversationId}/typing`, { method: "POST" }).catch(() => {});
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}, 700));
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form.addEventListener("submit", async (event) => {
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event.preventDefault();
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const body = await payloadFromForm(form);
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if (!body.message.trim()) return;
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addMessage(messages, "visitor", body.message, []);
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form.message.value = "";
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form.attachments.value = "";
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const url = session.conversationId
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? `${apiBase}/api/widget/conversations/${session.conversationId}/messages`
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: `${apiBase}/api/widget/conversations`;
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const data = await postJson(url, {
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...body,
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siteKey,
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visitorToken: session.visitorToken,
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currentUrl: location.href,
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referrer: document.referrer,
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browsingHistory: rememberPage(),
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language: navigator.language,
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timezone: Intl.DateTimeFormat().resolvedOptions().timeZone,
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device: {
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userAgent: navigator.userAgent,
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platform: navigator.platform,
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viewport: `${innerWidth}x${innerHeight}`
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}
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});
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session.conversationId = data.conversation.conversation.id;
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session.visitorToken = data.visitorToken || session.visitorToken;
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saveSession();
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renderConversation(messages, data.conversation);
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connectEvents(messages, typing);
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});
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rememberPage();
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if (session.conversationId) connectEvents(messages, typing);
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}
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async function payloadFromForm(form) {
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const fd = new FormData(form);
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const files = [...form.attachments.files].slice(0, 3);
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return {
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message: fd.get("message") || "",
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visitorInfo: {
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name: fd.get("name") || "",
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email: fd.get("email") || "",
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phone: fd.get("phone") || ""
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},
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attachments: await Promise.all(files.map(fileToPayload))
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};
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}
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function connectEvents(messages, typing) {
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if (session.events || !session.conversationId) return;
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session.events = new EventSource(`${apiBase}/api/widget/conversations/${session.conversationId}/events`);
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session.events.addEventListener("message", (event) => {
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const data = JSON.parse(event.data);
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if (data.type === "typing" && data.actor === "admin") {
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typing.hidden = false;
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clearTimeout(connectEvents.typingTimer);
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connectEvents.typingTimer = setTimeout(() => { typing.hidden = true; }, 1800);
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}
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if (data.type === "message:new") renderConversation(messages, data.payload);
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});
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}
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function renderConversation(messages, data) {
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messages.innerHTML = "";
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for (const message of data.messages) {
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addMessage(messages, message.senderType, message.body, message.attachments || []);
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}
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messages.scrollTop = messages.scrollHeight;
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}
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function addMessage(messages, sender, body, attachments) {
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const item = document.createElement("article");
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item.className = `mf-message ${sender}`;
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item.innerHTML = `<p>${escapeHtml(body)}</p>${attachments.map((a) => `<a href="${apiBase}${a.url}" target="_blank" rel="noreferrer">${escapeHtml(a.name)}</a>`).join("")}`;
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messages.append(item);
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messages.scrollTop = messages.scrollHeight;
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}
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function localized(settings, language) {
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const pick = (obj) => obj?.[language] || obj?.en || obj?.cs || "";
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return {
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title: pick(settings.title),
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intro: pick(settings.intro),
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offlineIntro: pick(settings.offlineIntro),
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placeholder: pick(settings.placeholder),
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sendLabel: pick(settings.sendLabel),
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detailsLabel: pick(settings.detailsLabel)
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};
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}
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function styles(settings) {
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const c = settings.colors;
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const desktop = settings.desktop;
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const mobile = settings.mobile;
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return `
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:host { all: initial; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: ${c.text}; }
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* { box-sizing: border-box; }
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button, input, textarea { font: inherit; }
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.mf-launcher {
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position: fixed; z-index: 2147483000; ${desktop.side}: ${desktop.sideOffsetPx}px; bottom: ${desktop.bottomPx}px;
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width: 58px; height: 58px; border: 0; border-radius: 50%; background: ${c.brand}; color: ${c.brandText};
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box-shadow: 0 12px 30px rgb(0 0 0 / 22%); cursor: pointer;
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}
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.mf-launcher span, .mf-launcher span:before, .mf-launcher span:after { display: block; background: ${c.brandText}; height: 3px; border-radius: 4px; content: ""; }
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.mf-launcher span { width: 26px; margin: 0 auto; }
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.mf-launcher span:before { transform: translateY(-8px); }
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.mf-launcher span:after { transform: translateY(5px); width: 18px; }
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.mf-panel {
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position: fixed; z-index: 2147483001; ${desktop.side}: ${desktop.sideOffsetPx}px; bottom: ${desktop.bottomPx + 72}px;
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width: min(${desktop.widthPx}px, calc(100vw - 24px)); max-height: min(680px, calc(100vh - 110px)); display: none;
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background: ${c.surface}; border: 1px solid #dfe6e2; border-radius: 8px; overflow: hidden; box-shadow: 0 18px 50px rgb(0 0 0 / 18%);
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}
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.mf-panel.open { display: grid; grid-template-rows: auto minmax(130px, 1fr) auto auto; }
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header { position: relative; display: grid; gap: 3px; background: ${c.brand}; color: ${c.brandText}; padding: 15px 46px 15px 16px; }
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header strong { font-size: 16px; }
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header small { opacity: .92; font-size: 13px; line-height: 1.35; }
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.mf-close { position: absolute; top: 9px; right: 9px; width: 30px; height: 30px; border: 0; border-radius: 6px; background: rgb(255 255 255 / 16%); color: ${c.brandText}; cursor: pointer; }
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.mf-messages { padding: 14px; overflow: auto; display: flex; flex-direction: column; gap: 10px; }
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.mf-message { max-width: 86%; padding: 9px 11px; border-radius: 8px; background: #f1f5f2; color: ${c.text}; }
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.mf-message.admin { align-self: flex-start; background: #eef7f4; }
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.mf-message.visitor { align-self: flex-end; background: ${c.brand}; color: ${c.brandText}; }
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.mf-message p { margin: 0; white-space: pre-wrap; }
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.mf-message a { color: inherit; display: inline-block; margin-top: 6px; }
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.mf-typing { padding: 0 14px 8px; color: ${c.muted}; font-size: 13px; }
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.mf-form { border-top: 1px solid #dfe6e2; padding: 12px; display: grid; gap: 9px; }
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details { color: ${c.muted}; font-size: 13px; }
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details[open] { display: grid; gap: 8px; }
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summary { cursor: pointer; margin-bottom: 8px; }
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input, textarea { width: 100%; border: 1px solid #dfe6e2; border-radius: 6px; padding: 9px 10px; color: ${c.text}; background: white; }
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textarea { resize: vertical; min-height: 72px; }
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.mf-actions { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 9px; align-items: center; }
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.mf-actions button { border: 0; border-radius: 6px; background: ${c.brand}; color: ${c.brandText}; padding: 10px 13px; cursor: pointer; }
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input[type=file] { font-size: 12px; padding: 7px; }
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.mf-note { margin: 0; color: ${c.muted}; font-size: 11px; line-height: 1.3; }
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@media (max-width: 640px) {
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.mf-launcher { ${mobile.side}: ${mobile.sideOffsetPx}px; bottom: ${mobile.bottomPx}px; }
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.mf-panel { ${mobile.side}: ${mobile.sideOffsetPx}px; bottom: ${mobile.bottomPx + 68}px; width: min(${mobile.widthPx}px, calc(100vw - 24px)); max-height: calc(100vh - 96px); }
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}
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`;
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}
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function rememberPage() {
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const entry = { url: location.href, title: document.title, at: new Date().toISOString() };
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session.history = (session.history || []).filter((item) => item.url !== entry.url).concat(entry).slice(-20);
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saveSession();
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return session.history;
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}
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function loadSession() {
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try {
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const existing = JSON.parse(localStorage.getItem(storageKey) || "{}");
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return { visitorToken: existing.visitorToken || randomId(), conversationId: existing.conversationId || null, history: existing.history || [] };
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} catch {
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return { visitorToken: randomId(), conversationId: null, history: [] };
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}
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}
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function saveSession() {
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localStorage.setItem(storageKey, JSON.stringify({
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visitorToken: session.visitorToken,
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conversationId: session.conversationId,
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history: session.history || []
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}));
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}
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function postJson(url, payload) {
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return fetch(url, {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(payload)
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}).then((res) => {
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if (!res.ok) throw new Error(`HTTP ${res.status}`);
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return res.json();
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});
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}
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function fileToPayload(file) {
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return new Promise((resolve) => {
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const reader = new FileReader();
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reader.onload = () => resolve({ name: file.name, type: file.type, size: file.size, dataBase64: reader.result });
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reader.readAsDataURL(file);
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});
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}
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function debounce(fn, delay) {
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let timer;
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return (...args) => {
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clearTimeout(timer);
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timer = setTimeout(() => fn(...args), delay);
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};
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}
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function escapeHtml(value) {
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return String(value ?? "").replace(/[&<>"']/g, (char) => ({
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"&": "&",
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"<": "<",
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">": ">",
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'"': """,
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"'": "'"
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})[char]);
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}
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function randomId() {
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return `vis_${Math.random().toString(16).slice(2)}${Date.now().toString(16)}`;
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}
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})();
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