import SwiftUI

struct LeadStatusView: View {
    let offerCount: Int
    let unsignedContractCount: Int
    var highlighted = false

    var body: some View {
        ViewThatFits(in: .horizontal) {
            HStack(spacing: 8) {
                LeadOfferBadge(count: offerCount, highlighted: highlighted)
                contractStatus
            }
            VStack(alignment: .leading, spacing: 8) {
                LeadOfferBadge(count: offerCount, highlighted: highlighted)
                contractStatus
            }
        }
        .font(.footnote)
    }

    @ViewBuilder
    private var contractStatus: some View {
        if offerCount > 0 && unsignedContractCount == 0 {
            HStack(spacing: 5) {
                Image(systemName: "checkmark.circle.fill")
                    .symbolRenderingMode(.palette)
                    .foregroundStyle(.white, LeadOverviewStyle.successGreen)
                    .font(.title3)
                Text("signiert")
                    .foregroundStyle(highlighted ? Color.white.opacity(0.9) : Color.secondary)
            }
            .accessibilityElement(children: .ignore)
            .accessibilityLabel("Alle Verträge unterschrieben")
        } else {
            Text(contractLabel)
                .foregroundStyle(highlighted ? Color.white.opacity(0.9) : Color.secondary)
        }
    }

    private var contractLabel: LocalizedStringResource {
        switch unsignedContractCount {
        case 0: "Nichts zu unterschreiben"
        case 1: "1 Vertrag offen"
        default: "\(unsignedContractCount) Verträge offen"
        }
    }
}

private struct LeadOfferBadge: View {
    let count: Int
    let highlighted: Bool

    var body: some View {
        Text(label)
            .fontWeight(.medium)
            .padding(.horizontal, 10)
            .padding(.vertical, 5)
            .foregroundStyle(highlighted ? .white : (count == 0 ? Color.secondary : LeadOverviewStyle.blue))
            .background(
                highlighted ? Color.white.opacity(0.25) : (count == 0 ? Color.primary.opacity(0.05) : LeadOverviewStyle.blue.opacity(0.08)),
                in: .capsule
            )
    }

    private var label: LocalizedStringResource {
        switch count {
        case 0: "Kein Angebot"
        case 1: "1 Angebot"
        default: "\(count) Angebote"
        }
    }
}