Update utils/LedgerPdfGenerator.ts

utils/LedgerPdfGenerator.ts

@@ -1,240 +1,240 @@
-import jsPDF from 'jspdf';
-import autoTable from 'jspdf-autotable';
-import { Party, Transaction } from '../types';
-
-// --- CONFIGURATION ---
-const BG_COLOR: [number, number, number] = [240, 234, 214]; // Beige
-const BORDER_COLOR: [number, number, number] = [0, 0, 0];   // Black
-
-// Helper: Currency Format
-const FORMAT_CURRENCY = (amount: number) => {
-    return new Intl.NumberFormat('en-IN', {
-        minimumFractionDigits: 2,
-        maximumFractionDigits: 2
-    }).format(amount);
-};
-
-// Helper: Date Format
-const FORMAT_DATE = (dateStr: string) => {
-    if (!dateStr) return "";
-    const dateObj = new Date(dateStr);
-    return `${dateObj.getDate().toString().padStart(2, '0')}/${(dateObj.getMonth() + 1).toString().padStart(2, '0')}/${dateObj.getFullYear().toString().slice(-2)}`;
-};
-
-export const generateLedgerPDF = (party: Party, transactions: Transaction[]) => {
-    const doc = new jsPDF();
-
-    // --- 1. PAGE CONFIGURATION ---
-    const PAGE_WIDTH = 210;
-    const PAGE_HEIGHT = 297;
-    const MARGIN = 14;
-    const CONTENT_WIDTH = PAGE_WIDTH - (MARGIN * 2);
-
-    // --- 2. SETUP & BACKGROUND ---
-    doc.setFillColor(...BG_COLOR);
-    doc.rect(0, 0, PAGE_WIDTH, PAGE_HEIGHT, 'F'); 
-
-    // --- 3. DATA PREPARATION ---
-    const sortedTxs = [...transactions].sort((a, b) => 
-        new Date(a.bill_date).getTime() - new Date(b.bill_date).getTime()
-    );
-
-    let runningBalance = 0; 
-
-    const tableRows = sortedTxs.flatMap(tx => {
-        const rows = [];
-        const dateStr = FORMAT_DATE(tx.bill_date);
-
-        // --- DETERMINE TYPE (AWAAK vs JAWAAK) ---
-        // AWAAK = Purchase (We Owe - Credit)
-        // JAWAAK = Sales (They Owe - Debit)
-        const typeStr = String(tx.bill_type).toUpperCase();
-        const numStr = tx.bill_number ? tx.bill_number.toUpperCase() : "";
-        
-        const isAwaak = typeStr === 'AWAAK' || numStr.includes('AWAAK');
-
-        // --- A. BILL ROW ---
-        // 1. Particulars Construction
-        let itemDetails = "";
-        if (tx.items && tx.items.length > 0) {
-            tx.items.forEach(item => {
-                let wStr = "";
-                if (Array.isArray(item.poti_weights)) wStr = item.poti_weights.join(",");
-                else if (item.poti_weights) wStr = String(item.poti_weights);
-                
-                const prefix = itemDetails ? "\n" : "";
-                itemDetails += `${prefix}${item.mirchi_name}`;
-                if (wStr) itemDetails += ` (${wStr})`;
-            });
-        }
-
-        let billParticulars = `Bill No: ${tx.bill_number}`;
-        if (tx.is_return) billParticulars += " (RETURN)";
-        if (itemDetails) billParticulars += `\n${itemDetails}`;
-
-        let totalPoti = 0;
-        tx.items?.forEach(i => totalPoti += Number(i.poti_count) || 0);
-
-        // 2. FINANCIAL LOGIC (THE FIX)
-        let billDebit = 0;
-        let billCredit = 0;
-
-        if (isAwaak) {
-            // AWAAK (Purchase): 
-            // - Normal Bill: CREDIT (Liability increases)
-            // - Return Bill: DEBIT (Liability decreases)
-            if (tx.is_return) billDebit = tx.total_amount; 
-            else billCredit = tx.total_amount;             
-        } else {
-            // JAWAAK (Sales): 
-            // - Normal Bill: DEBIT (Asset increases - They owe us)
-            // - Return Bill: CREDIT (Asset decreases)
-            if (tx.is_return) billCredit = tx.total_amount; 
-            else billDebit = tx.total_amount;               
-        }
-
-        // Running Balance = Old + Debit - Credit
-        runningBalance = runningBalance + billDebit - billCredit;
-
-        // Push Bill Row
-        rows.push({
-            date: dateStr,
-            particulars: billParticulars,
-            poti: totalPoti > 0 ? totalPoti.toString() : "-",
-            credit: billCredit > 0 ? FORMAT_CURRENCY(billCredit) : "-",
-            debit: billDebit > 0 ? FORMAT_CURRENCY(billDebit) : "-",
-            balance: `${FORMAT_CURRENCY(Math.abs(runningBalance))} ${runningBalance >= 0 ? 'Dr' : 'Cr'}`,
-            isMainRow: true
-        });
-
-        // --- B. PAYMENT ROWS ---
-        if (tx.payments && tx.payments.length > 0) {
-            const validPayments = tx.payments.filter(p => p.mode.toLowerCase() !== 'due');
-
-            validPayments.forEach(p => {
-                let payDebit = 0;
-                let payCredit = 0;
-
-                if (isAwaak) {
-                    // AWAAK (Purchase) Payment:
-                    // - We Pay Money: DEBIT (Liability decreases)
-                    // - Refund (Return): CREDIT
-                    if (tx.is_return) payCredit = p.amount; 
-                    else payDebit = p.amount;               
-                } else {
-                    // JAWAAK (Sales) Payment:
-                    // - They Pay Money: CREDIT (Asset decreases - Debt paid off)
-                    // - Refund (Return): DEBIT
-                    if (tx.is_return) payDebit = p.amount;  
-                    else payCredit = p.amount;              
-                }
-
-                runningBalance = runningBalance + payDebit - payCredit;
-
-                // Description
-                const modeStr = p.mode.charAt(0).toUpperCase() + p.mode.slice(1);
-                let payDesc = `   [${modeStr}]`; 
-                if (p.reference) payDesc += ` ${p.reference}`;
-
-                rows.push({
-                    date: dateStr,
-                    particulars: payDesc,
-                    poti: "-",
-                    credit: payCredit > 0 ? FORMAT_CURRENCY(payCredit) : "-",
-                    debit: payDebit > 0 ? FORMAT_CURRENCY(payDebit) : "-",
-                    balance: `${FORMAT_CURRENCY(Math.abs(runningBalance))} ${runningBalance >= 0 ? 'Dr' : 'Cr'}`,
-                    isMainRow: false
-                });
-            });
-        }
-        return rows;
-    });
-
-    // --- 4. GENERATE TABLE ---
-    autoTable(doc, {
-        startY: 35,
-        tableWidth: CONTENT_WIDTH,
-        margin: { left: MARGIN, right: MARGIN },
-        
-        head: [[
-            'Date', 
-            'Particulars', 
-            'Poti', 
-            'Credit\n(Jama)', 
-            'Debit\n(Nave)', 
-            'Balance'
-        ]],
-        
-        body: tableRows.map(r => [r.date, r.particulars, r.poti, r.credit, r.debit, r.balance]),
-        
-        theme: 'grid', 
-        
-        styles: {
-            fillColor: false,
-            textColor: 0,
-            lineColor: 0, 
-            lineWidth: 0.1,
-            font: 'helvetica',
-            fontSize: 9,
-            valign: 'top',
-            cellPadding: 3,
-            overflow: 'linebreak'
-        },
-        
-        headStyles: {
-            fillColor: false, 
-            textColor: 0,
-            fontStyle: 'bold',
-            halign: 'center',
-            valign: 'middle',
-            lineWidth: 0.1, 
-        },
-        
-        columnStyles: {
-            0: { cellWidth: 20, halign: 'center' }, // Date
-            1: { cellWidth: 72, halign: 'left' },   // Particulars
-            2: { cellWidth: 12, halign: 'center' }, // Poti
-            3: { cellWidth: 26, halign: 'right' },  // Credit
-            4: { cellWidth: 26, halign: 'right' },  // Debit
-            5: { cellWidth: 26, halign: 'right', fontStyle: 'bold' } // Balance
-        },
-
-        didParseCell: (data) => {
-            const rowIdx = data.row.index;
-            const rowData = tableRows[rowIdx];
-            if (data.section === 'body' && data.column.index === 1 && rowData?.isMainRow) {
-                data.cell.styles.fontStyle = 'bold';
-            }
-        },
-
-        didDrawPage: (data) => {
-            // Border
-            doc.setDrawColor(...BORDER_COLOR);
-            doc.setLineWidth(0.4);
-            doc.rect(MARGIN, MARGIN, CONTENT_WIDTH, PAGE_HEIGHT - (MARGIN * 2));
-
-            // Header
-            if (data.pageNumber === 1) {
-                const startX = MARGIN + 4;
-                const startY = 25;
-
-                doc.setFontSize(14); 
-                doc.setFont("helvetica", "bold"); 
-                doc.text("Name of A/c :", startX, startY);
-
-                const labelWidth = doc.getTextWidth("Name of A/c :  ");
-                doc.text(party.name, startX + labelWidth, startY);
-
-                if (party.city || party.phone) {
-                    doc.setFontSize(9);
-                    doc.setFont("helvetica", "normal");
-                    const subText = [party.city, party.phone].filter(Boolean).join(" - ");
-                    doc.text(subText, startX, startY + 6);
-                }
-            }
-        }
-    });
-
-    const cleanName = party.name.replace(/[^a-zA-Z0-9]/g, '_');
-    doc.save(`${cleanName}_Ledger.pdf`);
+import jsPDF from 'jspdf';
+import autoTable from 'jspdf-autotable';
+import { Party, Transaction } from '../types';
+
+// --- CONFIGURATION ---
+const BG_COLOR: [number, number, number] = [240, 234, 214]; // Beige
+const BORDER_COLOR: [number, number, number] = [0, 0, 0];   // Black
+
+// Helper: Currency Format
+const FORMAT_CURRENCY = (amount: number) => {
+    return new Intl.NumberFormat('en-IN', {
+        minimumFractionDigits: 2,
+        maximumFractionDigits: 2
+    }).format(amount);
+};
+
+// Helper: Date Format
+const FORMAT_DATE = (dateStr: string) => {
+    if (!dateStr) return "";
+    const dateObj = new Date(dateStr);
+    return `${dateObj.getDate().toString().padStart(2, '0')}/${(dateObj.getMonth() + 1).toString().padStart(2, '0')}/${dateObj.getFullYear().toString().slice(-2)}`;
+};
+
+export const generateLedgerPDF = (party: Party, transactions: Transaction[]) => {
+    const doc = new jsPDF();
+
+    // --- 1. PAGE CONFIGURATION ---
+    const PAGE_WIDTH = 210;
+    const PAGE_HEIGHT = 297;
+    const MARGIN = 14;
+    const CONTENT_WIDTH = PAGE_WIDTH - (MARGIN * 2);
+
+    // --- 2. SETUP & BACKGROUND ---
+    doc.setFillColor(...BG_COLOR);
+    doc.rect(0, 0, PAGE_WIDTH, PAGE_HEIGHT, 'F'); 
+
+    // --- 3. DATA PREPARATION ---
+    const sortedTxs = [...transactions].sort((a, b) => 
+        new Date(a.bill_date).getTime() - new Date(b.bill_date).getTime()
+    );
+
+    let runningBalance = 0; 
+
+    const tableRows = sortedTxs.flatMap(tx => {
+        const rows = [];
+        const dateStr = FORMAT_DATE(tx.bill_date);
+
+        // --- DETERMINE TYPE (AWAAK vs JAWAAK) ---
+        // AWAAK = Purchase (We Owe - Credit)
+        // JAWAAK = Sales (They Owe - Debit)
+        const typeStr = String(tx.bill_type).toUpperCase();
+        const numStr = tx.bill_number ? tx.bill_number.toUpperCase() : "";
+        
+        const isAwaak = typeStr === 'AWAAK' || numStr.includes('AWAAK');
+
+        // --- A. BILL ROW ---
+        // 1. Particulars Construction
+        let itemDetails = "";
+        if (tx.items && tx.items.length > 0) {
+            tx.items.forEach(item => {
+                let wStr = "";
+                if (Array.isArray(item.poti_weights)) wStr = item.poti_weights.join(",");
+                else if (item.poti_weights) wStr = String(item.poti_weights);
+                
+                const prefix = itemDetails ? "\n" : "";
+                itemDetails += `${prefix}${item.mirchi_name}`;
+                if (wStr) itemDetails += ` (${wStr})`;
+            });
+        }
+
+        let billParticulars = `No: ${tx.bill_number}`;
+        if (tx.is_return) billParticulars += " (RETURN)";
+        if (itemDetails) billParticulars += `\n${itemDetails}`;
+
+        let totalPoti = 0;
+        tx.items?.forEach(i => totalPoti += Number(i.poti_count) || 0);
+
+        // 2. FINANCIAL LOGIC (THE FIX)
+        let billDebit = 0;
+        let billCredit = 0;
+
+        if (isAwaak) {
+            // AWAAK (Purchase): 
+            // - Normal Bill: CREDIT (Liability increases)
+            // - Return Bill: DEBIT (Liability decreases)
+            if (tx.is_return) billDebit = tx.total_amount; 
+            else billCredit = tx.total_amount;             
+        } else {
+            // JAWAAK (Sales): 
+            // - Normal Bill: DEBIT (Asset increases - They owe us)
+            // - Return Bill: CREDIT (Asset decreases)
+            if (tx.is_return) billCredit = tx.total_amount; 
+            else billDebit = tx.total_amount;               
+        }
+
+        // Running Balance = Old + Debit - Credit
+        runningBalance = runningBalance + billDebit - billCredit;
+
+        // Push Bill Row
+        rows.push({
+            date: dateStr,
+            particulars: billParticulars,
+            poti: totalPoti > 0 ? totalPoti.toString() : "-",
+            credit: billCredit > 0 ? FORMAT_CURRENCY(billCredit) : "-",
+            debit: billDebit > 0 ? FORMAT_CURRENCY(billDebit) : "-",
+            balance: `${FORMAT_CURRENCY(Math.abs(runningBalance))} ${runningBalance >= 0 ? 'Dr' : 'Cr'}`,
+            isMainRow: true
+        });
+
+        // --- B. PAYMENT ROWS ---
+        if (tx.payments && tx.payments.length > 0) {
+            const validPayments = tx.payments.filter(p => p.mode.toLowerCase() !== 'due');
+
+            validPayments.forEach(p => {
+                let payDebit = 0;
+                let payCredit = 0;
+
+                if (isAwaak) {
+                    // AWAAK (Purchase) Payment:
+                    // - We Pay Money: DEBIT (Liability decreases)
+                    // - Refund (Return): CREDIT
+                    if (tx.is_return) payCredit = p.amount; 
+                    else payDebit = p.amount;               
+                } else {
+                    // JAWAAK (Sales) Payment:
+                    // - They Pay Money: CREDIT (Asset decreases - Debt paid off)
+                    // - Refund (Return): DEBIT
+                    if (tx.is_return) payDebit = p.amount;  
+                    else payCredit = p.amount;              
+                }
+
+                runningBalance = runningBalance + payDebit - payCredit;
+
+                // Description
+                const modeStr = p.mode.charAt(0).toUpperCase() + p.mode.slice(1);
+                let payDesc = `   [${modeStr}]`; 
+                if (p.reference) payDesc += ` ${p.reference}`;
+
+                rows.push({
+                    date: dateStr,
+                    particulars: payDesc,
+                    poti: "-",
+                    credit: payCredit > 0 ? FORMAT_CURRENCY(payCredit) : "-",
+                    debit: payDebit > 0 ? FORMAT_CURRENCY(payDebit) : "-",
+                    balance: `${FORMAT_CURRENCY(Math.abs(runningBalance))} ${runningBalance >= 0 ? 'Dr' : 'Cr'}`,
+                    isMainRow: false
+                });
+            });
+        }
+        return rows;
+    });
+
+    // --- 4. GENERATE TABLE ---
+    autoTable(doc, {
+        startY: 35,
+        tableWidth: CONTENT_WIDTH,
+        margin: { left: MARGIN, right: MARGIN },
+        
+        head: [[
+            'Date', 
+            'Particulars', 
+            'Poti', 
+            'Credit\n(Jama)', 
+            'Debit\n(Nave)', 
+            'Balance'
+        ]],
+        
+        body: tableRows.map(r => [r.date, r.particulars, r.poti, r.credit, r.debit, r.balance]),
+        
+        theme: 'grid', 
+        
+        styles: {
+            fillColor: false,
+            textColor: 0,
+            lineColor: 0, 
+            lineWidth: 0.1,
+            font: 'helvetica',
+            fontSize: 9,
+            valign: 'top',
+            cellPadding: 3,
+            overflow: 'linebreak'
+        },
+        
+        headStyles: {
+            fillColor: false, 
+            textColor: 0,
+            fontStyle: 'bold',
+            halign: 'center',
+            valign: 'middle',
+            lineWidth: 0.1, 
+        },
+        
+        columnStyles: {
+            0: { cellWidth: 20, halign: 'center' }, // Date
+            1: { cellWidth: 72, halign: 'left' },   // Particulars
+            2: { cellWidth: 12, halign: 'center' }, // Poti
+            3: { cellWidth: 26, halign: 'right' },  // Credit
+            4: { cellWidth: 26, halign: 'right' },  // Debit
+            5: { cellWidth: 26, halign: 'right', fontStyle: 'bold' } // Balance
+        },
+
+        didParseCell: (data) => {
+            const rowIdx = data.row.index;
+            const rowData = tableRows[rowIdx];
+            if (data.section === 'body' && data.column.index === 1 && rowData?.isMainRow) {
+                data.cell.styles.fontStyle = 'bold';
+            }
+        },
+
+        didDrawPage: (data) => {
+            // Border
+            doc.setDrawColor(...BORDER_COLOR);
+            doc.setLineWidth(0.4);
+            doc.rect(MARGIN, MARGIN, CONTENT_WIDTH, PAGE_HEIGHT - (MARGIN * 2));
+
+            // Header
+            if (data.pageNumber === 1) {
+                const startX = MARGIN + 4;
+                const startY = 25;
+
+                doc.setFontSize(14); 
+                doc.setFont("helvetica", "bold"); 
+                doc.text("Name of A/c :", startX, startY);
+
+                const labelWidth = doc.getTextWidth("Name of A/c :  ");
+                doc.text(party.name, startX + labelWidth, startY);
+
+                if (party.city || party.phone) {
+                    doc.setFontSize(9);
+                    doc.setFont("helvetica", "normal");
+                    const subText = [party.city, party.phone].filter(Boolean).join(" - ");
+                    doc.text(subText, startX, startY + 6);
+                }
+            }
+        }
+    });
+
+    const cleanName = party.name.replace(/[^a-zA-Z0-9]/g, '_');
+    doc.save(`${cleanName}_Ledger.pdf`);
 };