// Auteur : Simon-Pierre Boucher — contact@spboucher.ai
// KAWidgets.swift — widget « Le pouls » : les compteurs EN DIRECT de
// l'écosystème Groupe-KA sur l'écran d'accueil (petit : 1 chiffre-choc ;
// moyen : 3 univers ; grand : 6 univers). Rafraîchi ~toutes les 30 min.
import WidgetKit
import SwiftUI

struct PulseEntry: TimelineEntry {
    let date: Date
    let counts: [(name: String, unit: String, value: Int, hex: String)]
}

struct PulseProvider: TimelineProvider {
    static let sources: [(name: String, unit: String, url: String, keys: [String], hex: String)] = [
        ("Lou·Ka", "logements à louer", "https://www.lou-ka.com/api/stats", ["total"], "#ff6a00"),
        ("Immo·Ka", "propriétés à vendre", "https://www.immo-ka.com/api/stats", ["total"], "#e23744"),
        ("Job·Ka", "offres d'emploi", "https://www.job-ka.com/api/stats", ["total"], "#0c8599"),
        ("Sorti·Ka", "événements", "https://www.sorti-ka.com/api/stats", ["total_active", "total"], "#d6336c"),
        ("Auto·Ka", "véhicules", "https://www.auto-ka.com/api/stats", ["total"], "#ff5a2a"),
        ("Resto·Ka", "restaurants", "https://www.resto-ka.com/api/stats", ["restaurants", "total"], "#f08c00"),
    ]

    static let placeholderCounts: [(String, String, Int, String)] = [
        ("Lou·Ka", "logements à louer", 33900, "#ff6a00"),
        ("Immo·Ka", "propriétés à vendre", 67000, "#e23744"),
        ("Job·Ka", "offres d'emploi", 4400, "#0c8599"),
        ("Sorti·Ka", "événements", 15300, "#d6336c"),
        ("Auto·Ka", "véhicules", 17000, "#ff5a2a"),
        ("Resto·Ka", "restaurants", 14000, "#f08c00"),
    ]

    func placeholder(in context: Context) -> PulseEntry {
        PulseEntry(date: .now, counts: Self.placeholderCounts)
    }

    func getSnapshot(in context: Context, completion: @escaping (PulseEntry) -> Void) {
        completion(placeholder(in: context))
    }

    func getTimeline(in context: Context, completion: @escaping (Timeline<PulseEntry>) -> Void) {
        Task {
            var counts: [(String, String, Int, String)] = []
            for s in Self.sources {
                if let url = URL(string: s.url),
                   let (data, _) = try? await URLSession.shared.data(from: url),
                   let obj = try? JSONSerialization.jsonObject(with: data) as? [String: Any] {
                    for k in s.keys {
                        if let n = obj[k] as? Int { counts.append((s.name, s.unit, n, s.hex)); break }
                        if let n = obj[k] as? Double { counts.append((s.name, s.unit, Int(n), s.hex)); break }
                    }
                }
            }
            let entry = PulseEntry(date: .now, counts: counts.isEmpty ? Self.placeholderCounts : counts)
            completion(Timeline(entries: [entry], policy: .after(.now.addingTimeInterval(1800))))
        }
    }
}

struct PulseWidgetView: View {
    var entry: PulseEntry
    @Environment(\.widgetFamily) private var family

    private func hexColor(_ h: String) -> Color {
        let s = h.dropFirst(); let v = UInt64(s, radix: 16) ?? 0
        return Color(.sRGB, red: Double((v >> 16) & 0xFF) / 255,
                     green: Double((v >> 8) & 0xFF) / 255, blue: Double(v & 0xFF) / 255)
    }

    var body: some View {
        VStack(alignment: .leading, spacing: family == .systemSmall ? 4 : 8) {
            HStack(spacing: 4) {
                Text("Groupe").font(.system(.caption, design: .rounded).weight(.bold))
                Text("KA").font(.system(.caption2, design: .rounded).weight(.bold))
                    .foregroundStyle(Color(.sRGB, red: 0.85, green: 0.95, blue: 0.42))
                    .padding(.horizontal, 5).padding(.vertical, 1)
                    .background(.black, in: RoundedRectangle(cornerRadius: 5))
                Spacer()
                Text("en direct").font(.system(size: 8, design: .monospaced)).foregroundStyle(.secondary)
            }
            let rows = Array(entry.counts.prefix(family == .systemSmall ? 1 : family == .systemMedium ? 3 : 6))
            ForEach(rows, id: \.name) { c in
                VStack(alignment: .leading, spacing: 0) {
                    Text(c.value.formatted(.number.locale(Locale(identifier: "fr_CA"))))
                        .font(.system(family == .systemSmall ? .title2 : .headline, design: .rounded).weight(.bold))
                        .foregroundStyle(hexColor(c.hex))
                        .minimumScaleFactor(0.6).lineLimit(1)
                    Text("\(c.name) · \(c.unit)")
                        .font(.system(size: 9)).foregroundStyle(.secondary).lineLimit(1)
                }
            }
            Spacer(minLength: 0)
        }
        .containerBackground(for: .widget) { Color(.systemBackground) }
    }
}

@main
struct KAWidgets: WidgetBundle {
    var body: some Widget { PulseWidget() }
}

struct PulseWidget: Widget {
    var body: some WidgetConfiguration {
        StaticConfiguration(kind: "KAPulse", provider: PulseProvider()) { entry in
            PulseWidgetView(entry: entry)
        }
        .configurationDisplayName("Le pouls de l'écosystème")
        .description("Les compteurs en direct du Groupe KA : logements, propriétés, emplois, sorties…")
        .supportedFamilies([.systemSmall, .systemMedium, .systemLarge])
    }
}