// CoachWatchComplications.swift
// Complications Apple Watch (cible widget extension watchOS « CoachWatchWidgets »).
// Lisent le snapshot poussé par l'iPhone via WatchConnectivity et persisté dans
// l'App Group de CETTE montre (CoachWidgetStore) — cf. ConnectivityManager.swift
// côté CoachWatch + CoachWidgetBridge.pushToWatch côté iPhone.
//
// ⚠️ Cette cible doit être CRÉÉE dans Xcode (Watch Widget Extension) sur le Mac.
// Fichiers à inclure dans sa Target Membership : ce fichier + CoachWidgetSnapshot.swift.
// App Group group.ch.hypnotruck.coach à activer sur CoachWatch ET CoachWatchWidgets.
// Détails : docs/widgets-runbook-mac.md.

import WidgetKit
import SwiftUI

// MARK: - Helpers locaux (dupliqués : cible séparée des widgets iOS)

private func watchSportSymbol(_ sport: String) -> String {
    switch sport {
    case "cycling":  return "bicycle"
    case "walking":  return "figure.walk"
    case "hiking":   return "figure.hiking"
    case "strength": return "dumbbell.fill"
    case "mobility": return "figure.yoga"
    case "rest":     return "moon.zzz.fill"
    default:         return "figure.run"
    }
}

private func watchSportLabel(_ sport: String) -> String {
    switch sport {
    case "running":  return "Course"
    case "cycling":  return "Vélo"
    case "walking":  return "Marche"
    case "hiking":   return "Rando"
    case "strength": return "Renfo"
    case "mobility": return "Mobilité"
    case "rest":     return "Repos"
    default:         return sport.capitalized
    }
}

// MARK: - Timeline

struct WatchEntry: TimelineEntry {
    let date: Date
    let snapshot: CoachWidgetSnapshot?
}

struct WatchProvider: TimelineProvider {
    func placeholder(in context: Context) -> WatchEntry {
        WatchEntry(date: Date(), snapshot: nil)
    }
    func getSnapshot(in context: Context, completion: @escaping (WatchEntry) -> Void) {
        completion(WatchEntry(date: Date(), snapshot: CoachWidgetStore.load()))
    }
    func getTimeline(in context: Context, completion: @escaping (Timeline<WatchEntry>) -> Void) {
        let entry = WatchEntry(date: Date(), snapshot: CoachWidgetStore.load())
        let next = Calendar.current.date(byAdding: .hour, value: 2, to: Date())
            ?? Date().addingTimeInterval(7200)
        completion(Timeline(entries: [entry], policy: .after(next)))
    }
}

private extension View {
    @ViewBuilder
    func watchWidgetBackground() -> some View {
        if #available(watchOS 10.0, *) {
            self.containerBackground(.clear, for: .widget)
        } else {
            self
        }
    }
}

// MARK: - Complication « Score de forme » (circular / corner)

struct CoachWatchFormeView: View {
    @Environment(\.widgetFamily) private var family
    var entry: WatchEntry

    private var score: Int? { entry.snapshot?.forme?.score }

    private func tint(_ s: Int) -> Color {
        switch s {
        case 75...: return .green
        case 50..<75: return .yellow
        default: return .red
        }
    }

    var body: some View {
        Group {
            if let s = score {
                switch family {
                case .accessoryCorner:
                    Text("\(s)")
                        .font(.title3.weight(.semibold))
                        .widgetCurvesContent(label: "Forme")
                default: // accessoryCircular
                    Gauge(value: Double(s), in: 0...100) {
                        Image(systemName: "bolt.heart.fill")
                    } currentValueLabel: {
                        Text("\(s)")
                    }
                    .gaugeStyle(.accessoryCircular)
                    .tint(tint(s))
                }
            } else {
                Image(systemName: "bolt.heart")
                    .font(.headline)
                    .foregroundStyle(.secondary)
            }
        }
        .watchWidgetBackground()
        .widgetURL(URL(string: "https://coach.hypnotruck.ch/forme"))
    }
}

private extension View {
    // .widgetLabel pour la famille .accessoryCorner (texte courbé autour du cadran).
    @ViewBuilder
    func widgetCurvesContent(label: String) -> some View {
        self.widgetLabel(label)
    }
}

struct CoachWatchFormeWidget: Widget {
    let kind = "CoachWatchFormeWidget"
    var body: some WidgetConfiguration {
        StaticConfiguration(kind: kind, provider: WatchProvider()) { entry in
            CoachWatchFormeView(entry: entry)
        }
        .configurationDisplayName("Forme")
        .description("Ton score de forme du jour.")
        .supportedFamilies([.accessoryCircular, .accessoryCorner])
    }
}

// MARK: - Complication « Séance du jour » (rectangular / inline)

struct CoachWatchSessionView: View {
    @Environment(\.widgetFamily) private var family
    var entry: WatchEntry

    var body: some View {
        let today = entry.snapshot?.today
        Group {
            if let s = today {
                if family == .accessoryInline {
                    Label(s.title, systemImage: watchSportSymbol(s.sport))
                } else { // accessoryRectangular
                    VStack(alignment: .leading, spacing: 2) {
                        Label(watchSportLabel(s.sport).uppercased(),
                              systemImage: watchSportSymbol(s.sport))
                            .font(.caption2.weight(.bold))
                            .foregroundStyle(.secondary)
                        Text(s.title).font(.headline).lineLimit(1)
                        if let sub = s.subtitle, !sub.isEmpty {
                            Text(sub).font(.caption2).foregroundStyle(.secondary).lineLimit(1)
                        } else if s.done {
                            Text("Réalisée").font(.caption2).foregroundStyle(.green)
                        }
                    }
                }
            } else {
                if family == .accessoryInline {
                    Label("Jour OFF", systemImage: "moon.zzz.fill")
                } else {
                    VStack(alignment: .leading, spacing: 2) {
                        Label("JOUR OFF", systemImage: "moon.zzz.fill")
                            .font(.caption2.weight(.bold)).foregroundStyle(.secondary)
                        Text("Pas de séance").font(.footnote)
                    }
                }
            }
        }
        .watchWidgetBackground()
        .widgetURL(URL(string: "https://coach.hypnotruck.ch/calendar"))
    }
}

struct CoachWatchSessionWidget: Widget {
    let kind = "CoachWatchSessionWidget"
    var body: some WidgetConfiguration {
        StaticConfiguration(kind: kind, provider: WatchProvider()) { entry in
            CoachWatchSessionView(entry: entry)
        }
        .configurationDisplayName("Séance du jour")
        .description("La séance prévue aujourd'hui.")
        .supportedFamilies([.accessoryRectangular, .accessoryInline])
    }
}

// MARK: - Bundle @main de l'extension

@main
struct CoachWatchWidgetsBundle: WidgetBundle {
    var body: some Widget {
        CoachWatchFormeWidget()
        CoachWatchSessionWidget()
    }
}