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(function () { |
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'use strict'; |
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|
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var _typoKeys = { |
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family:'font-family', weight:'font-weight', style:'font-style', |
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decoration:'text-decoration', transform:'text-transform', |
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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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function typoCssVarsForEl(el, obj, prefix) { |
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if (!obj || typeof obj !== 'object') return; |
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Object.keys(_typoKeys).forEach(function (k) { |
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var v = obj[k]; |
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if (v === undefined || v === '' || v === null) return; |
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if (k === 'sizeDesktop' || k === 'sizeTablet' || k === 'sizeMobile') v = v + (obj.sizeUnit || 'px'); |
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else if (k === 'lineHeightDesktop' || k === 'lineHeightTablet' || k === 'lineHeightMobile') v = v + (obj.lineHeightUnit || ''); |
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else if (k === 'letterSpacingDesktop' || k === 'letterSpacingTablet' || k === 'letterSpacingMobile') v = v + (obj.letterSpacingUnit || 'px'); |
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else if (k === 'wordSpacingDesktop' || k === 'wordSpacingTablet' || k === 'wordSpacingMobile') v = v + (obj.wordSpacingUnit || 'px'); |
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el.style.setProperty(prefix + _typoKeys[k], String(v)); |
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}); |
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} |
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|
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// ── Helpers ────────────────────────────────────────────────────────── |
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function qs(el, sel) { return el.querySelector(sel); } |
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function fmt(n, d) { return Number(n).toFixed(d !== undefined ? d : 2); } |
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function fmtCur(n, cur) { return cur + fmt(n, 2); } |
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|
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function calcMarginMode(cost, margin) { |
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if (cost <= 0 || margin >= 100) return null; |
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var sp = cost / (1 - margin / 100); |
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var profit = sp - cost; |
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return { sellingPrice: sp, profit: profit, margin: margin, markup: cost > 0 ? (profit / cost) * 100 : 0 }; |
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} |
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function calcMarkupMode(cost, markup) { |
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if (cost <= 0) return null; |
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var sp = cost * (1 + markup / 100); |
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var profit = sp - cost; |
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return { sellingPrice: sp, profit: profit, margin: sp > 0 ? (profit / sp) * 100 : 0, markup: markup }; |
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} |
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function calcRevenueMode(revenue, cost) { |
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if (revenue <= 0) return null; |
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var profit = revenue - cost; |
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return { sellingPrice: revenue, profit: profit, margin: (profit / revenue) * 100, markup: cost > 0 ? (profit / cost) * 100 : 0 }; |
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} |
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|
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function scaleColor(m) { |
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if (m < 10) return '#ef4444'; |
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if (m < 25) return '#f59e0b'; |
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if (m < 50) return '#10b981'; |
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return '#6c3fb5'; |
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} |
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function scaleLabel(m) { |
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if (m < 10) return 'Low margin'; |
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if (m < 25) return 'Moderate margin'; |
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if (m < 50) return 'Healthy margin'; |
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return 'High margin'; |
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} |
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|
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// ── Bootstrap ──────────────────────────────────────────────────────── |
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document.querySelectorAll('.bkbg-mgc-app').forEach(function (root) { |
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var opts; |
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try { opts = JSON.parse(root.getAttribute('data-opts') || '{}'); } |
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catch (e) { return; } |
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|
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var o = { |
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title: opts.title || 'Profit Margin Calculator', |
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subtitle: opts.subtitle || 'Calculate selling price, markup and gross profit instantly', |
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currency: opts.currency || '$', |
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defaultMode: opts.defaultMode || 'margin', |
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defaultCost: parseFloat(opts.defaultCost) || 50, |
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defaultMargin: parseFloat(opts.defaultMargin) || 40, |
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defaultRevenue: parseFloat(opts.defaultRevenue) || 100, |
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showMarkup: opts.showMarkup !== false, |
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showBar: opts.showBar !== false, |
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showMarginScale: opts.showMarginScale !== false, |
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accentColor: opts.accentColor || '#10b981', |
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profitColor: opts.profitColor || '#10b981', |
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costColor: opts.costColor || '#f43f5e', |
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sectionBg: opts.sectionBg || '#f0fdf4', |
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cardBg: opts.cardBg || '#ffffff', |
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inputBg: opts.inputBg || '#f9fafb', |
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resultBg: opts.resultBg || '#dcfce7', |
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titleColor: opts.titleColor || '#111827', |
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subtitleColor: opts.subtitleColor || '#6b7280', |
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labelColor: opts.labelColor || '#374151', |
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titleTypo: opts.titleTypo, |
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subtitleTypo: opts.subtitleTypo, |
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contentMaxWidth: parseInt(opts.contentMaxWidth) || 680 |
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}; |
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|
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var mode = o.defaultMode; |
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|
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// ── Build HTML ───────────────────────────────────────────────── |
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root.innerHTML = [ |
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'<div class="bkbg-mgc-wrap" style="background:' + o.sectionBg + ';max-width:' + o.contentMaxWidth + 'px;--mgc-accent:' + o.accentColor + '">', |
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|
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o.title ? '<h3 class="bkbg-mgc-title" style="color:' + o.titleColor + '">' + o.title + '</h3>' : '', |
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o.subtitle ? '<p class="bkbg-mgc-subtitle" style="color:' + o.subtitleColor + '">' + o.subtitle + '</p>' : '', |
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|
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// tabs |
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'<div class="bkbg-mgc-tabs">', |
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'<button class="bkbg-mgc-tab" data-mode="margin">' , 'Margin %', '</button>', |
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'<button class="bkbg-mgc-tab" data-mode="markup">' , 'Markup %', '</button>', |
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'<button class="bkbg-mgc-tab" data-mode="revenue">' , 'Revenue', '</button>', |
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'</div>', |
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|
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// inputs — rendered dynamically |
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'<div class="bkbg-mgc-inputs" id="mgc-inputs-grid"></div>', |
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|
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// result area |
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'<div id="mgc-results"></div>', |
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|
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'</div>' |
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].join(''); |
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|
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var wrap = qs(root, '.bkbg-mgc-wrap'); |
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|
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// Apply typography CSS vars on root |
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typoCssVarsForEl(root, o.titleTypo, '--bkbg-mgc-tt-'); |
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typoCssVarsForEl(root, o.subtitleTypo, '--bkbg-mgc-st-'); |
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|
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var inputGrid = qs(root, '#mgc-inputs-grid'); |
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var resultsEl = qs(root, '#mgc-results'); |
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var tabs = root.querySelectorAll('.bkbg-mgc-tab'); |
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|
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// ── Input state ──────────────────────────────────────────────── |
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var state = { |
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cost: o.defaultCost, |
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margin: o.defaultMargin, |
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markup: o.defaultMargin, // shared default for both % |
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revenue: o.defaultRevenue |
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}; |
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|
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// ── Build inputs for active mode ─────────────────────────────── |
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function buildInputs() { |
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var fields = []; |
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if (mode === 'margin') { |
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fields = [ |
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{ key:'cost', label:'Cost Price (' + o.currency + ')', val: state.cost, min:0, step:0.01 }, |
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{ key:'margin', label:'Target Margin (%)', val: state.margin, min:0.1, max:99.9, step:0.1 } |
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]; |
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} else if (mode === 'markup') { |
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fields = [ |
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{ key:'cost', label:'Cost Price (' + o.currency + ')', val: state.cost, min:0, step:0.01 }, |
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{ key:'markup', label:'Markup (%)', val: state.markup, min:0, step:0.1 } |
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]; |
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} else { |
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fields = [ |
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{ key:'revenue', label:'Revenue (' + o.currency + ')', val: state.revenue, min:0.01, step:0.01 }, |
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{ key:'cost', label:'Cost (' + o.currency + ')', val: state.cost, min:0, step:0.01 } |
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]; |
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} |
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|
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inputGrid.innerHTML = fields.map(function (f) { |
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var maxAttr = f.max !== undefined ? ' max="' + f.max + '"' : ''; |
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return '<div class="bkbg-mgc-field">' + |
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'<label style="color:' + o.labelColor + '">' + f.label + '</label>' + |
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'<input class="bkbg-mgc-input" type="number" data-key="' + f.key + '" value="' + fmt(f.val, 2) + '" min="' + (f.min||0) + '"' + maxAttr + ' step="' + (f.step||1) + '" style="background:' + o.inputBg + ';color:' + o.labelColor + '">' + |
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'</div>'; |
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}).join(''); |
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|
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inputGrid.querySelectorAll('.bkbg-mgc-input').forEach(function (inp) { |
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inp.addEventListener('input', function () { |
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var key = inp.getAttribute('data-key'); |
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var val = parseFloat(inp.value); |
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if (!isNaN(val)) { state[key] = val; } |
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renderResults(); |
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}); |
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}); |
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} |
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|
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// ── Render results ───────────────────────────────────────────── |
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function renderResults() { |
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var result; |
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if (mode === 'margin') result = calcMarginMode(state.cost, state.margin); |
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else if (mode === 'markup') result = calcMarkupMode(state.cost, state.markup); |
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else result = calcRevenueMode(state.revenue, state.cost); |
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|
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if (!result) { |
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resultsEl.innerHTML = '<div class="bkbg-mgc-error">Please enter valid positive values (margin must be < 100%).</div>'; |
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return; |
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} |
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|
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// cards |
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var cards = [ |
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{ label:'Selling Price', value: fmtCur(result.sellingPrice, o.currency), color: o.accentColor, bg: o.resultBg }, |
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{ label:'Gross Profit', value: fmtCur(result.profit, o.currency), color: o.profitColor, bg: o.resultBg }, |
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{ label:'Margin %', value: fmt(result.margin, 1) + '%', color: o.profitColor, bg: '#f0fdf4' } |
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]; |
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if (o.showMarkup) { |
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cards.push({ label:'Markup %', value: fmt(result.markup, 1) + '%', color: o.accentColor, bg: '#f0fdf4' }); |
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} |
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|
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var cardsHtml = '<div class="bkbg-mgc-cards">' + |
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cards.map(function (c) { |
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return '<div class="bkbg-mgc-card" style="background:' + c.bg + ';border-left-color:' + c.color + '">' + |
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'<div class="bkbg-mgc-card-label">' + c.label + '</div>' + |
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'<div class="bkbg-mgc-card-value" style="color:' + c.color + '">' + c.value + '</div>' + |
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'</div>'; |
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}).join('') + |
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'</div>'; |
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|
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// bar |
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var barHtml = ''; |
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if (o.showBar && result.sellingPrice > 0) { |
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var costAmt = result.sellingPrice - result.profit; |
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var costPct = Math.max(0, Math.min(100, (costAmt / result.sellingPrice) * 100)); |
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var profitPct = 100 - costPct; |
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barHtml = '<div class="bkbg-mgc-bar-section">' + |
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'<div class="bkbg-mgc-bar-heading" style="color:' + o.labelColor + '">Price Breakdown</div>' + |
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'<div class="bkbg-mgc-bar-track">' + |
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'<div class="bkbg-mgc-bar-cost" style="width:' + fmt(costPct,2) + '%;background:' + o.costColor + '">' + (costPct > 15 ? fmt(costPct,0) + '% Cost' : '') + '</div>' + |
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'<div class="bkbg-mgc-bar-profit" style="width:' + fmt(profitPct,2) + '%;background:' + o.profitColor + '">' + (profitPct > 15 ? fmt(profitPct,0) + '% Profit' : '') + '</div>' + |
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'</div>' + |
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'<div class="bkbg-mgc-bar-legend">' + |
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'<span style="color:' + o.costColor + '">● Cost: ' + fmtCur(costAmt, o.currency) + '</span>' + |
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'<span style="color:' + o.profitColor + '">● Profit: ' + fmtCur(result.profit, o.currency) + '</span>' + |
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'</div>' + |
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'</div>'; |
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} |
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|
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// margin scale |
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var scaleHtml = ''; |
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if (o.showMarginScale) { |
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var m = result.margin; |
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var sColor = scaleColor(m); |
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var sLabel = scaleLabel(m); |
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var fillPct = Math.max(0, Math.min(100, m)); |
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scaleHtml = '<div class="bkbg-mgc-scale" style="background:' + o.cardBg + '">' + |
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'<div class="bkbg-mgc-scale-header">' + |
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'<span class="bkbg-mgc-scale-label" style="color:' + o.labelColor + '">Margin Health</span>' + |
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'<span class="bkbg-mgc-scale-status" style="color:' + sColor + '">' + sLabel + '</span>' + |
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'</div>' + |
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'<div class="bkbg-mgc-scale-track">' + |
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'<div class="bkbg-mgc-scale-fill" style="width:' + fmt(fillPct,2) + '%;background:' + sColor + '"></div>' + |
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'</div>' + |
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'<div class="bkbg-mgc-scale-ticks"><span>0%</span><span>25%</span><span>50%</span><span>75%</span><span>100%</span></div>' + |
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'</div>'; |
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} |
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|
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resultsEl.innerHTML = cardsHtml + barHtml + scaleHtml; |
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} |
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|
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// ── Tab switching ────────────────────────────────────────────── |
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function activateTab(newMode) { |
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mode = newMode; |
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tabs.forEach(function (t) { |
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t.classList.toggle('active', t.getAttribute('data-mode') === mode); |
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t.style.background = t.classList.contains('active') ? o.accentColor : o.cardBg; |
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t.style.borderColor = t.classList.contains('active') ? o.accentColor : '#d1d5db'; |
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t.style.color = t.classList.contains('active') ? '#ffffff' : o.labelColor; |
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}); |
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buildInputs(); |
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renderResults(); |
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} |
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|
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tabs.forEach(function (t) { |
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t.addEventListener('click', function () { |
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activateTab(t.getAttribute('data-mode')); |
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}); |
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}); |
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|
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// ── Initial render ───────────────────────────────────────────── |
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activateTab(mode); |
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}); |
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})(); |
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|
