6a8a66546b
- Populate debug test data with random notes, guided reflections, and weather - Fix PDF export to use UIPrintPageRenderer for proper multi-page pagination - Add journal/reflection indicator icons to day list entry cells - Fix weather card icon contrast by using secondarySystemBackground - Align Generate Report and Export PDF button widths in ReportsView Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
481 lines
17 KiB
Swift
481 lines
17 KiB
Swift
//
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// ReportPDFGenerator.swift
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// Reflect
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//
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// Generates clinical PDF reports from MoodReport data using HTML + WKWebView.
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//
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import Foundation
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import UIKit
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import WebKit
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@MainActor
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final class ReportPDFGenerator {
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enum PDFError: Error, LocalizedError {
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case htmlRenderFailed
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case pdfGenerationFailed(underlying: Error)
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case fileWriteFailed
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var errorDescription: String? {
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switch self {
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case .htmlRenderFailed: return "Failed to render report HTML"
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case .pdfGenerationFailed(let error): return "PDF generation failed: \(error.localizedDescription)"
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case .fileWriteFailed: return "Failed to save PDF file"
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}
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}
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}
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// MARK: - Public API
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func generatePDF(from report: MoodReport) async throws -> URL {
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let html = generateHTML(from: report)
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let pdfData = try await renderHTMLToPDF(html: html)
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let dateFormatter = DateFormatter()
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dateFormatter.dateFormat = "yyyy-MM-dd"
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let startStr = dateFormatter.string(from: report.weeks.first?.startDate ?? Date())
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let endStr = dateFormatter.string(from: report.weeks.last?.endDate ?? Date())
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let fileName = "Reflect-AI-Report-\(startStr)-to-\(endStr).pdf"
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let fileURL = FileManager.default.temporaryDirectory.appendingPathComponent(fileName)
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do {
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try pdfData.write(to: fileURL)
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return fileURL
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} catch {
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throw PDFError.fileWriteFailed
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}
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}
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// MARK: - HTML Generation
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func generateHTML(from report: MoodReport) -> String {
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let dateFormatter = DateFormatter()
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dateFormatter.dateStyle = .long
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let generatedDate = dateFormatter.string(from: report.generatedAt)
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let useFahrenheit = Locale.current.measurementSystem == .us
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var html = """
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=612, initial-scale=1">
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<style>
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\(cssStyles)
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</style>
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</head>
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<body>
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"""
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// Header
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html += """
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<div class="header">
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<h1>Reflect Mood Report</h1>
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<p class="subtitle">\(report.overview.dateRange)</p>
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<p class="generated">Generated \(generatedDate)</p>
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</div>
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"""
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// Overview Stats
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html += generateOverviewSection(report.overview)
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// Quick Summary (if available)
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if let quickSummary = report.quickSummary {
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html += """
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<div class="section">
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<h2>Summary</h2>
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<div class="ai-summary">\(escapeHTML(quickSummary))</div>
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</div>
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"""
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}
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// Weekly sections (Detailed report only)
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if report.reportType == .detailed {
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for week in report.weeks {
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html += generateWeekSection(week, useFahrenheit: useFahrenheit)
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}
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}
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// Monthly Summaries
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if !report.monthlySummaries.isEmpty {
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html += """
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<div class="section page-break">
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<h2>Monthly Summaries</h2>
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"""
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for month in report.monthlySummaries {
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html += """
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<div class="summary-block">
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<h3>\(escapeHTML(month.title))</h3>
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<p class="stats">\(month.entryCount) entries · Average mood: \(String(format: "%.1f", month.averageMood))/5</p>
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\(month.aiSummary.map { "<div class=\"ai-summary\">\(escapeHTML($0))</div>" } ?? "")
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</div>
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"""
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}
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html += "</div>"
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}
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// Yearly Summaries
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if !report.yearlySummaries.isEmpty {
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html += """
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<div class="section page-break">
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<h2>Yearly Summaries</h2>
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"""
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for year in report.yearlySummaries {
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html += """
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<div class="summary-block">
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<h3>\(year.year)</h3>
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<p class="stats">\(year.entryCount) entries · Average mood: \(String(format: "%.1f", year.averageMood))/5</p>
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\(year.aiSummary.map { "<div class=\"ai-summary\">\(escapeHTML($0))</div>" } ?? "")
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</div>
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"""
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}
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html += "</div>"
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}
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// Footer
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html += """
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<div class="footer">
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<p>Generated by Reflect · This report is intended for personal use and sharing with healthcare professionals.</p>
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</div>
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</body>
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</html>
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"""
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return html
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}
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// MARK: - Section Generators
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private func generateOverviewSection(_ overview: ReportOverviewStats) -> String {
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let distributionHTML = [Mood.great, .good, .average, .bad, .horrible]
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.compactMap { mood -> String? in
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guard let count = overview.moodDistribution[mood], count > 0 else { return nil }
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let pct = overview.totalEntries > 0 ? Int(Double(count) / Double(overview.totalEntries) * 100) : 0
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return """
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<div class="mood-bar-row">
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<span class="mood-dot" style="background-color: \(moodHexColor(mood))"></span>
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<span class="mood-label">\(mood.widgetDisplayName)</span>
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<span class="mood-count">\(count) (\(pct)%)</span>
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</div>
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"""
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}
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.joined()
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return """
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<div class="section">
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<h2>Overview</h2>
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<div class="stats-grid">
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<div class="stat-item">
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<div class="stat-value">\(overview.totalEntries)</div>
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<div class="stat-label">Total Entries</div>
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</div>
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<div class="stat-item">
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<div class="stat-value">\(String(format: "%.1f", overview.averageMood))</div>
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<div class="stat-label">Avg Mood (1-5)</div>
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</div>
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<div class="stat-item">
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<div class="stat-value">\(overview.trend)</div>
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<div class="stat-label">Trend</div>
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</div>
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</div>
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<div class="distribution">
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<h3>Mood Distribution</h3>
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\(distributionHTML)
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</div>
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</div>
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"""
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}
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private func generateWeekSection(_ week: ReportWeek, useFahrenheit: Bool) -> String {
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let weekDateFormatter = DateFormatter()
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weekDateFormatter.dateFormat = "MMM d"
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let startStr = weekDateFormatter.string(from: week.startDate)
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let endStr = weekDateFormatter.string(from: week.endDate)
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let entryDateFormatter = DateFormatter()
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entryDateFormatter.dateFormat = "EEE, MMM d"
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var rows = ""
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for entry in week.entries.sorted(by: { $0.date < $1.date }) {
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let dateStr = entryDateFormatter.string(from: entry.date)
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let moodStr = entry.mood.widgetDisplayName
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let moodColor = moodHexColor(entry.mood)
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let notesStr = entry.notes ?? "-"
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let weatherStr = formatWeather(entry.weather, useFahrenheit: useFahrenheit)
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rows += """
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<tr>
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<td>\(escapeHTML(dateStr))</td>
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<td><span class="mood-dot-inline" style="background-color: \(moodColor)"></span> \(escapeHTML(moodStr))</td>
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<td class="notes-cell">\(escapeHTML(notesStr))</td>
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<td>\(escapeHTML(weatherStr))</td>
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</tr>
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"""
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if let reflection = entry.reflection, reflection.answeredCount > 0 {
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rows += """
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<tr class="reflection-row">
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<td colspan="4">
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<div class="reflection-block">
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\(formatReflectionHTML(reflection))
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</div>
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</td>
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</tr>
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"""
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}
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}
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return """
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<div class="section">
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<h3>Week \(week.weekNumber): \(escapeHTML(startStr)) - \(escapeHTML(endStr))</h3>
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<table class="no-page-break">
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<thead>
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<tr>
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<th>Date</th>
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<th>Mood</th>
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<th>Notes</th>
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<th>Weather</th>
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</tr>
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</thead>
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<tbody>
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\(rows)
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</tbody>
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</table>
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\(week.aiSummary.map { "<div class=\"ai-summary\">\(escapeHTML($0))</div>" } ?? "")
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</div>
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"""
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}
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// MARK: - Helpers
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private func formatWeather(_ weather: WeatherData?, useFahrenheit: Bool) -> String {
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guard let w = weather else { return "-" }
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let temp: String
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if useFahrenheit {
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let f = w.temperature * 9 / 5 + 32
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temp = "\(Int(round(f)))°F"
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} else {
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temp = "\(Int(round(w.temperature)))°C"
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}
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return "\(w.condition), \(temp)"
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}
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private func moodHexColor(_ mood: Mood) -> String {
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switch mood {
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case .great: return "#4CAF50"
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case .good: return "#8BC34A"
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case .average: return "#FFC107"
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case .bad: return "#FF9800"
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case .horrible: return "#F44336"
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default: return "#9E9E9E"
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}
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}
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private func formatReflectionHTML(_ reflection: GuidedReflection) -> String {
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reflection.responses
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.filter { !$0.answer.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty }
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.map { "<p class=\"reflection-q\">\(escapeHTML($0.question))</p><p class=\"reflection-a\">\(escapeHTML($0.answer))</p>" }
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.joined()
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}
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private func escapeHTML(_ string: String) -> String {
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string
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.replacingOccurrences(of: "&", with: "&")
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.replacingOccurrences(of: "<", with: "<")
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.replacingOccurrences(of: ">", with: ">")
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.replacingOccurrences(of: "\"", with: """)
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}
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// MARK: - PDF Rendering
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private func renderHTMLToPDF(html: String) async throws -> Data {
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let webView = WKWebView(frame: CGRect(x: 0, y: 0, width: 612, height: 792))
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webView.isOpaque = false
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// Load HTML and wait for it to finish rendering
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return try await withCheckedThrowingContinuation { continuation in
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let delegate = PDFNavigationDelegate { result in
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switch result {
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case .success(let data):
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continuation.resume(returning: data)
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case .failure(let error):
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continuation.resume(throwing: error)
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}
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}
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// Prevent delegate from being deallocated
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objc_setAssociatedObject(webView, "delegate", delegate, .OBJC_ASSOCIATION_RETAIN)
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webView.navigationDelegate = delegate
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webView.loadHTMLString(html, baseURL: nil)
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}
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}
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// MARK: - CSS
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private var cssStyles: String {
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"""
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* { margin: 0; padding: 0; box-sizing: border-box; }
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body {
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font-family: Georgia, 'Times New Roman', serif;
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font-size: 11pt;
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line-height: 1.5;
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color: #333;
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padding: 40px;
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}
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h1, h2, h3 {
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font-family: -apple-system, Helvetica, Arial, sans-serif;
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color: #1a1a1a;
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}
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h1 { font-size: 22pt; margin-bottom: 4px; }
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h2 { font-size: 16pt; margin-bottom: 12px; border-bottom: 1px solid #ddd; padding-bottom: 6px; }
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h3 { font-size: 13pt; margin-bottom: 8px; }
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.header { text-align: center; margin-bottom: 30px; }
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.subtitle { font-size: 13pt; color: #555; margin-bottom: 2px; }
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.generated { font-size: 10pt; color: #888; }
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.section { margin-bottom: 24px; }
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.stats-grid {
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display: flex;
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gap: 20px;
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margin-bottom: 16px;
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}
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.stat-item {
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flex: 1;
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text-align: center;
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padding: 12px;
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background: #f8f8f8;
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border-radius: 8px;
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}
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.stat-value {
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font-family: -apple-system, Helvetica, Arial, sans-serif;
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font-size: 20pt;
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font-weight: 700;
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color: #1a1a1a;
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}
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.stat-label {
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font-size: 9pt;
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color: #888;
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text-transform: uppercase;
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letter-spacing: 0.5px;
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}
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.distribution { margin-top: 12px; }
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.mood-bar-row {
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display: flex;
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align-items: center;
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gap: 8px;
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padding: 4px 0;
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}
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.mood-dot {
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width: 10px;
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height: 10px;
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border-radius: 50%;
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display: inline-block;
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}
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.mood-dot-inline {
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width: 8px;
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height: 8px;
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border-radius: 50%;
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display: inline-block;
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vertical-align: middle;
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}
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.mood-label { width: 80px; font-size: 10pt; }
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.mood-count { font-size: 10pt; color: #666; }
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table {
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width: 100%;
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border-collapse: collapse;
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margin: 8px 0 12px 0;
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font-size: 10pt;
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}
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thead { background: #f0f0f0; }
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th {
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font-family: -apple-system, Helvetica, Arial, sans-serif;
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font-weight: 600;
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text-align: left;
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padding: 6px 8px;
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font-size: 9pt;
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text-transform: uppercase;
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letter-spacing: 0.3px;
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color: #555;
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}
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td { padding: 6px 8px; border-bottom: 1px solid #eee; }
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tr:nth-child(even) { background: #fafafa; }
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.notes-cell { max-width: 200px; overflow: hidden; text-overflow: ellipsis; }
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.ai-summary {
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background: #f4f0ff;
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border-left: 3px solid #7c5cbf;
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padding: 10px 14px;
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margin: 8px 0;
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font-style: italic;
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font-size: 10.5pt;
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line-height: 1.6;
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}
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.summary-block {
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margin-bottom: 16px;
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page-break-inside: avoid;
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}
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.stats { font-size: 10pt; color: #666; margin-bottom: 6px; }
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.reflection-row td { border-bottom: none; padding-top: 0; }
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.reflection-block { background: #f9f7ff; padding: 8px 12px; margin: 4px 0 8px 0; border-radius: 4px; }
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.reflection-q { font-style: italic; font-size: 9pt; color: #666; margin-bottom: 2px; }
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.reflection-a { font-size: 10pt; color: #333; margin-bottom: 6px; }
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.page-break { page-break-before: always; }
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.no-page-break { page-break-inside: avoid; }
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.footer {
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margin-top: 40px;
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padding-top: 12px;
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border-top: 1px solid #ddd;
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text-align: center;
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font-size: 9pt;
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color: #999;
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}
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"""
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}
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}
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// MARK: - WKNavigationDelegate for PDF
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private class PDFNavigationDelegate: NSObject, WKNavigationDelegate {
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let completion: (Result<Data, Error>) -> Void
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init(completion: @escaping (Result<Data, Error>) -> Void) {
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self.completion = completion
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}
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func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
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// Use UIPrintPageRenderer for proper multi-page pagination.
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// createPDF(configuration:) only captures a single rect — it does NOT paginate.
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let renderer = UIPrintPageRenderer()
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renderer.addPrintFormatter(webView.viewPrintFormatter(), startingAtPageAt: 0)
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// US Letter size (72 points per inch: 8.5 x 11 inches)
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let pageRect = CGRect(x: 0, y: 0, width: 612, height: 792)
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renderer.setValue(pageRect, forKey: "paperRect")
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renderer.setValue(pageRect, forKey: "printableRect")
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let pdfData = NSMutableData()
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UIGraphicsBeginPDFContextToData(pdfData, pageRect, nil)
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renderer.prepare(forDrawingPages: NSMakeRange(0, renderer.numberOfPages))
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let bounds = UIGraphicsGetPDFContextBounds()
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for i in 0..<renderer.numberOfPages {
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UIGraphicsBeginPDFPage()
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renderer.drawPage(at: i, in: bounds)
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}
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UIGraphicsEndPDFContext()
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DispatchQueue.main.async { [weak self] in
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self?.completion(.success(pdfData as Data))
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}
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}
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func webView(_ webView: WKWebView, didFail navigation: WKNavigation!, withError error: Error) {
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completion(.failure(ReportPDFGenerator.PDFError.htmlRenderFailed))
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}
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func webView(_ webView: WKWebView, didFailProvisionalNavigation navigation: WKNavigation!, withError error: Error) {
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completion(.failure(ReportPDFGenerator.PDFError.htmlRenderFailed))
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}
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}
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