// Auteur : Simon-Pierre Boucher — contact@spboucher.ai
// Visionneuse des rapports PDF (pdfkit côté serveur, 100 % vectoriels) + partage.
import SwiftUI
import PDFKit

struct PDFViewerView: View {
    let url: URL
    @Environment(\.dismiss) private var dismiss

    var body: some View {
        NavigationStack {
            PDFKitView(url: url)
                .ignoresSafeArea(edges: .bottom)
                .toolbar {
                    ToolbarItem(placement: .principal) { Wordmark(size: 17) }
                    ToolbarItem(placement: .topBarLeading) {
                        Button("Fermer") { dismiss() }
                            .font(.vpDisplayMedium(14))
                            .foregroundStyle(Color.vpInk)
                    }
                    ToolbarItem(placement: .topBarTrailing) {
                        ShareLink(item: url) {
                            Image(systemName: "square.and.arrow.up")
                                .foregroundStyle(Color.vpInk)
                        }
                    }
                }
                .toolbarBackground(Color.vpPaper, for: .navigationBar)
                .toolbarBackground(.visible, for: .navigationBar)
        }
    }
}

private struct PDFKitView: UIViewRepresentable {
    let url: URL

    func makeUIView(context: Context) -> PDFView {
        let view = PDFView()
        view.autoScales = true
        view.backgroundColor = UIColor(Color.vpPaper)
        view.document = PDFDocument(url: url)
        return view
    }

    func updateUIView(_ view: PDFView, context: Context) {
        if view.document?.documentURL != url {
            view.document = PDFDocument(url: url)
        }
    }
}