PadelClub/PadelClub/Views/Calling/SendToAllView.swift

//
//  SendToAllView.swift
//  PadelClub
//
//  Created by Razmig Sarkissian on 28/04/2024.
//

import SwiftUI
import LeStorage

struct SendToAllView: View {
    @Environment(Tournament.self) var tournament: Tournament
    @State private var contactMethod: Int = 1
    @State private var contactRecipients: Set<String> = Set()

    
    var body: some View {
        NavigationStack {
            List(selection: $contactRecipients) {
                Section {
                    Picker(selection: $contactMethod) {
                        Text("Contacter par sms").tag(0)
                        Text("Contacter par mail").tag(1)
                    } label: {
                        Text("méthode")
                    }
                    .labelsHidden()
                    .pickerStyle(.inline)
                }
                
                Section {
                    ForEach(tournament.groupStages()) { groupStage in
                        let teams = groupStage.teams()
                        if teams.isEmpty == false {
                            LabeledContent {
                                Text(teams.count.formatted() + " équipe" + teams.count.pluralSuffix)
                            } label: {
                                Text(groupStage.groupStageTitle())
                            }
                            .tag(groupStage.id)
                        }

                    }
                    ForEach(tournament.rounds()) { round in
                        let teams = round.teams()
                        if teams.isEmpty == false {
                            LabeledContent {
                                Text(teams.count.formatted() + " équipe" + teams.count.pluralSuffix)
                            } label: {
                                Text(round.roundTitle())
                            }
                            .tag(round.id)
                        }
                    }
                }
                
                Section {
                    RowButtonView("Contacter \(_totalString())") {
                        
                    }
                }
            }
            .environment(\.editMode, Binding.constant(EditMode.active))
            .headerProminence(.increased)
            .navigationTitle("Réglages")
            .navigationBarTitleDisplayMode(.inline)
            .toolbarBackground(.visible, for: .navigationBar)
        }
    }
    
    func _teams() -> [TeamRegistration] {
        let rounds : [Round] = contactRecipients.compactMap { Store.main.findById($0) }
        return rounds.flatMap({ $0.teams() })
    }

    func _groupStagesTeams() -> [TeamRegistration] {
        let groupStages : [GroupStage] = contactRecipients.compactMap { Store.main.findById($0) }
        return groupStages.flatMap({ $0.teams() })
    }
    
    func _totalString() -> String {
        if contactRecipients.isEmpty {
            return "toutes les équipes"
        } else {
            let teams = _teams() + _groupStagesTeams()
            return teams.count.formatted() + " équipe" + teams.count.pluralSuffix
        }
    }
}

#Preview {
    SendToAllView()
}