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(function () { |
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'use strict'; |
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|
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/* ── typography CSS-var helper ── */ |
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var _tKeys = ['font-family','font-weight','text-transform','font-style','text-decoration']; |
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var _rKeys = ['font-size','line-height','letter-spacing','word-spacing']; |
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function typoCssVarsForEl(typo, prefix, el) { |
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if (!typo || typeof typo !== 'object') return; |
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var map = { |
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family:'font-family', weight:'font-weight', transform:'text-transform', |
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style:'font-style', decoration:'text-decoration' |
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}; |
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var rMap = { |
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sizeDesktop:'font-size-d', sizeTablet:'font-size-t', sizeMobile:'font-size-m', |
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lineHeightDesktop:'line-height-d', lineHeightTablet:'line-height-t', lineHeightMobile:'line-height-m', |
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letterSpacingDesktop:'letter-spacing-d', letterSpacingTablet:'letter-spacing-t', letterSpacingMobile:'letter-spacing-m', |
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wordSpacingDesktop:'word-spacing-d', wordSpacingTablet:'word-spacing-t', wordSpacingMobile:'word-spacing-m' |
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}; |
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Object.keys(map).forEach(function (k) { |
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if (typo[k]) el.style.setProperty(prefix + map[k], typo[k]); |
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}); |
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Object.keys(rMap).forEach(function (k) { |
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var v = typo[k]; |
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if (v !== undefined && v !== '') { |
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var unit = ''; |
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if (k.indexOf('size') === 0) unit = typo.sizeUnit || 'px'; |
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else if (k.indexOf('lineHeight') === 0) unit = typo.lineHeightUnit || ''; |
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else if (k.indexOf('letterSpacing') === 0) unit = typo.letterSpacingUnit || 'px'; |
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else if (k.indexOf('wordSpacing') === 0) unit = typo.wordSpacingUnit || 'px'; |
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el.style.setProperty(prefix + rMap[k], v + unit); |
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} |
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}); |
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} |
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|
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/* ── helpers ── */ |
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function timestamp() { |
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var now = new Date(); |
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var h = now.getHours(); |
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var m = now.getMinutes(); |
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var ampm = h >= 12 ? 'PM' : 'AM'; |
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h = h % 12 || 12; |
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return h + ':' + (m < 10 ? '0' : '') + m + ' ' + ampm; |
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} |
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|
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function scrollBottom(el) { |
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el.scrollTop = el.scrollHeight; |
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} |
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|
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/* ── build avatar element ── */ |
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function makeAvatar(botAvatar, avatarBg) { |
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var av = document.createElement('div'); |
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av.className = 'bkbg-faqc-row-avatar'; |
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av.style.background = avatarBg; |
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av.textContent = botAvatar; |
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return av; |
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} |
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|
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/* ── append a bot message row ── */ |
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function appendBotRow(messagesEl, text, o, isBubble, extraClass) { |
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var row = document.createElement('div'); |
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row.className = 'bkbg-faqc-row bot-row'; |
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if (extraClass) row.className += ' ' + extraClass; |
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|
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var av = makeAvatar(o.botAvatar, o.avatarBg); |
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|
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var right = document.createElement('div'); |
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|
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if (o.showTimestamp) { |
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var meta = document.createElement('div'); |
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meta.className = 'bkbg-faqc-meta'; |
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meta.style.color = o.timestampColor; |
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meta.textContent = o.botName + ' ' + timestamp(); |
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right.appendChild(meta); |
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} |
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|
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var bubble = document.createElement('div'); |
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bubble.className = 'bkbg-faqc-bubble bot-bubble'; |
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bubble.style.background = o.botBubbleBg; |
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bubble.style.color = o.botBubbleColor; |
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|
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if (isBubble) { |
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/* typing indicator */ |
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bubble.className += ' bkbg-faqc-typing'; |
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['bg1', 'bg2', 'bg3'].forEach(function () { |
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var dot = document.createElement('span'); |
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dot.className = 'bkbg-faqc-dot'; |
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dot.style.background = o.botBubbleColor; |
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bubble.appendChild(dot); |
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}); |
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} else { |
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bubble.textContent = text; |
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} |
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|
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right.appendChild(bubble); |
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row.appendChild(av); |
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row.appendChild(right); |
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|
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messagesEl.appendChild(row); |
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scrollBottom(messagesEl); |
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|
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return { row: row, bubble: bubble }; |
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} |
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|
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/* ── append a user message row ── */ |
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function appendUserRow(messagesEl, text, o) { |
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var row = document.createElement('div'); |
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row.className = 'bkbg-faqc-row user-row'; |
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|
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var left = document.createElement('div'); |
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|
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if (o.showTimestamp) { |
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var meta = document.createElement('div'); |
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meta.className = 'bkbg-faqc-meta'; |
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meta.style.color = o.timestampColor; |
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meta.textContent = 'You ' + timestamp(); |
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left.appendChild(meta); |
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} |
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|
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var bubble = document.createElement('div'); |
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bubble.className = 'bkbg-faqc-bubble user-bubble'; |
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bubble.style.background = o.userBubbleBg; |
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bubble.style.color = o.userBubbleColor; |
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bubble.textContent = text; |
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|
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left.appendChild(bubble); |
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row.appendChild(left); |
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|
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messagesEl.appendChild(row); |
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scrollBottom(messagesEl); |
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} |
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|
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/* ── bubble radius by style ── */ |
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function bubbleRadius(chatStyle) { |
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if (chatStyle === 'bubble') return '20px'; |
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if (chatStyle === 'sharp') return '4px'; |
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return '12px'; |
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} |
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|
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/* ── build full widget DOM ── */ |
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function buildWidget(o) { |
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var widget = document.createElement('div'); |
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widget.className = 'bkbg-faqc-widget bkbg-faqc-style-' + o.chatStyle; |
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widget.style.borderColor = o.borderColor; |
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widget.style.borderRadius = o.borderRadius + 'px'; |
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widget.style.maxWidth = o.maxWidth + 'px'; |
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widget.style.margin = '0 auto'; |
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|
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/* set typography CSS custom properties */ |
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typoCssVarsForEl(o.typoQuestion, '--bkbg-fcht-qt-', widget); |
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typoCssVarsForEl(o.typoAnswer, '--bkbg-fcht-an-', widget); |
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|
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/* ── header ── */ |
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var header = document.createElement('div'); |
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header.className = 'bkbg-faqc-header'; |
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header.style.background = o.headerBg; |
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|
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var av = document.createElement('div'); |
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av.className = 'bkbg-faqc-avatar'; |
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av.style.background = 'rgba(255,255,255,0.18)'; |
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av.textContent = o.botAvatar; |
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|
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var info = document.createElement('div'); |
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|
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var botName = document.createElement('div'); |
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botName.className = 'bkbg-faqc-bot-name'; |
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botName.style.color = o.headerColor; |
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botName.textContent = o.botName; |
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|
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var statusWrap = document.createElement('div'); |
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statusWrap.className = 'bkbg-faqc-status'; |
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statusWrap.style.color = o.headerColor; |
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|
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var dot = document.createElement('span'); |
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dot.className = 'bkbg-faqc-status-dot'; |
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|
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var statusTxt = document.createElement('span'); |
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statusTxt.textContent = 'Online · ' + o.faqs.length + ' topics'; |
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|
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statusWrap.appendChild(dot); |
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statusWrap.appendChild(statusTxt); |
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info.appendChild(botName); |
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info.appendChild(statusWrap); |
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header.appendChild(av); |
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header.appendChild(info); |
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|
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/* ── messages area ── */ |
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var messages = document.createElement('div'); |
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messages.className = 'bkbg-faqc-messages'; |
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messages.style.background = o.chatBg; |
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messages.style.maxHeight = o.maxHeight + 'px'; |
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|
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/* ── questions panel ── */ |
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var questionsPanel = document.createElement('div'); |
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questionsPanel.className = 'bkbg-faqc-questions'; |
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questionsPanel.style.background = o.questionsBg; |
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questionsPanel.style.borderTopColor = o.borderColor; |
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|
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var qLabel = document.createElement('div'); |
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qLabel.className = 'bkbg-faqc-questions-label'; |
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qLabel.style.color = o.timestampColor; |
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qLabel.textContent = '📋 Frequently Asked Questions'; |
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|
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var btnsWrap = document.createElement('div'); |
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btnsWrap.className = 'bkbg-faqc-btns'; |
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|
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widget.appendChild(header); |
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widget.appendChild(messages); |
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questionsPanel.appendChild(qLabel); |
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questionsPanel.appendChild(btnsWrap); |
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widget.appendChild(questionsPanel); |
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|
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/* ── helpers for inline bubble styling ── */ |
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var bR = bubbleRadius(o.chatStyle); |
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|
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/* ── initial bot greeting ── */ |
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var initRow = appendBotRow(messages, o.initialMessage || 'Hi! Click any question.', o, false); |
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initRow.bubble.style.borderRadius = bR; |
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|
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/* ── wire question buttons ── */ |
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o.faqs.forEach(function (faq, idx) { |
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var btn = document.createElement('button'); |
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btn.className = 'bkbg-faqc-q-btn'; |
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btn.style.background = o.btnBg; |
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btn.style.color = o.btnColor; |
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btn.style.borderColor = o.btnBorder; |
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btn.textContent = faq.question; |
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|
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btn.addEventListener('click', function () { |
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if (btn.classList.contains('is-answered')) return; |
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btn.classList.add('is-answered'); |
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btn.style.background = o.btnActiveBg; |
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btn.style.color = o.btnActiveColor; |
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btn.style.borderColor = o.btnActiveBg; |
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|
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/* user question bubble */ |
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appendUserRow(messages, faq.question, o); |
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var userBubble = messages.querySelector('.user-row:last-child .user-bubble'); |
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if (userBubble) userBubble.style.borderRadius = bR; |
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|
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/* typing indicator */ |
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var typingRes = appendBotRow(messages, '', o, true); |
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typingRes.bubble.style.borderRadius = bR; |
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|
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/* after delay → show answer */ |
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setTimeout(function () { |
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if (typingRes.row.parentNode) { |
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typingRes.row.parentNode.removeChild(typingRes.row); |
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} |
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|
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var answerRes = appendBotRow(messages, faq.answer, o, false); |
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answerRes.bubble.style.borderRadius = bR; |
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|
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/* scroll again after answer appears */ |
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scrollBottom(messages); |
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}, o.typingDelay || 700); |
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}); |
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|
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btnsWrap.appendChild(btn); |
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}); |
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|
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return widget; |
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} |
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|
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/* ── main init ── */ |
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function init() { |
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document.querySelectorAll('.bkbg-faqc-app').forEach(function (appEl) { |
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if (appEl.dataset.rendered) return; |
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appEl.dataset.rendered = '1'; |
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|
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var opts; |
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try { opts = JSON.parse(appEl.dataset.opts || '{}'); } catch (e) { opts = {}; } |
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|
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var o = Object.assign({ |
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faqs: [], |
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botName: 'Support Bot', |
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botAvatar: '🤖', |
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avatarBg: '#6366f1', |
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initialMessage: 'Hi! 👋 Click any question below to get started.', |
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showTimestamp: true, |
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typingDelay: 700, |
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chatStyle: 'rounded', |
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maxWidth: 620, |
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maxHeight: 500, |
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borderRadius: 16, |
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questionSize: 14, |
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answerSize: 14, |
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headerBg: '#6366f1', |
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headerColor: '#ffffff', |
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chatBg: '#f1f5f9', |
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botBubbleBg: '#ffffff', |
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botBubbleColor: '#1f2937', |
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userBubbleBg: '#6366f1', |
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userBubbleColor: '#ffffff', |
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questionsBg: '#ffffff', |
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btnBg: '#f3f4f6', |
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btnColor: '#374151', |
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btnBorder: '#e5e7eb', |
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btnActiveBg: '#e0e7ff', |
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btnActiveColor: '#4338ca', |
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borderColor: '#e5e7eb', |
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timestampColor: '#9ca3af' |
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}, opts); |
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|
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var widget = buildWidget(o); |
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appEl.parentNode.insertBefore(widget, appEl); |
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appEl.style.display = 'none'; |
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}); |
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} |
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|
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if (document.readyState !== 'loading') { init(); } |
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else { document.addEventListener('DOMContentLoaded', init); } |
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})(); |
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|
