import SwiftUI
import SwiftData

struct LeadDetailView: View {
    let detail: LeadDetail
    let model: LeadDetailViewModel
    let salesCode: String
    let repository: any LeadDetailRepository
    let onLogout: () -> Void
    @State private var showsARProjects = false
    @State private var galleryRevision = 0

    var body: some View {
        LeadDetailPageLayout {
            LeadDetailHeaderView(detail: detail, canStartAR: true, onStartAR: { showsARProjects = true })
        } left: {
            VStack(spacing: 28) {
                LeadContactSection(detail: detail)
                LeadLocationSection(name: detail.lead.displayName, address: detail.lead.address)
            }
        } right: {
            VStack(spacing: 28) {
                LeadOffersSection(offers: detail.offers, model: model)
                LeadPhotoGallerySection(photos: detail.photos, leadID: detail.lead.id,
                                        salesCode: salesCode, repository: repository, onLogout: onLogout,
                                        refreshID: galleryRevision)
            }
        }
        .sheet(isPresented: $showsARProjects, onDismiss: { galleryRevision += 1 }) {
            LeadARProjectsSheet(detail: detail)
        }
    }
}

struct LeadDetailPageLayout<Header: View, Left: View, Right: View>: View {
    let header: Header
    let left: Left
    let right: Right
    @Environment(\.dynamicTypeSize) private var dynamicTypeSize

    init(@ViewBuilder header: () -> Header, @ViewBuilder left: () -> Left,
         @ViewBuilder right: () -> Right) {
        self.header = header()
        self.left = left()
        self.right = right()
    }

    var body: some View {
        GeometryReader { geometry in
            ScrollView {
                VStack(alignment: .leading, spacing: 28) {
                    header
                    if geometry.size.width >= 900 && !dynamicTypeSize.isAccessibilitySize {
                        HStack(alignment: .top, spacing: 24) {
                            left.frame(width: (geometry.size.width - 72) * 0.34)
                            right.frame(maxWidth: .infinity)
                        }
                    } else {
                        left
                        right
                    }
                }
                .padding(24)
            }
            .background(LeadDetailStyle.background.ignoresSafeArea())
        }
    }
}