//
//  AllWorkoutsListView.swift
//  Werkout_ios
//
//  Created by Trey Tartt on 7/7/23.
//

import SwiftUI

struct AllWorkoutsListView: View {
    @State var searchString: String = ""
    let workouts: [Workout]
    
    let selectedWorkout: ((Workout) -> Void)
    
    var filteredWorkouts: [Workout] {
        if !searchString.isEmpty, searchString.count > 0 {
            return workouts.filter({
                if $0.name.lowercased().contains(searchString.lowercased()) {
                    return true
                }
                if let equipment = $0.equipment?.joined(separator: "").lowercased(),
                   equipment.contains(searchString.lowercased()) {
                    return true
                }
                if let muscles = $0.muscles?.joined(separator: "").lowercased(),
                   muscles.contains(searchString.lowercased()) {
                    return true
                }
                
                return false
            })
        } else {
            return workouts
        }
    }
    var refresh: (() -> Void)
    
    var body: some View {
        VStack {
            List {
                ForEach(filteredWorkouts, id:\.name) { workout in
                    Section {
                        VStack {
                            Text(workout.name)
                                .font(.title2)
                                .frame(maxWidth: .infinity, alignment: .leading)
                            Text(workout.description ?? "")
                                .frame(maxWidth: .infinity, alignment: .leading)
                            
                            if let muscles = workout.muscles,
                               muscles.joined(separator: ", ").count > 0{
                                Divider()
                                Text(muscles.joined(separator: ", "))
                                    .font(.footnote)
                                    .frame(maxWidth: .infinity, alignment: .leading)
                            }
                            
                            if let equipment = workout.equipment,
                               equipment.joined(separator: ", ").count > 0 {
                                Divider()
                                Text(equipment.joined(separator: ", "))
                                    .font(.footnote)
                                    .frame(maxWidth: .infinity, alignment: .leading)
                            }
                        }
                        .contentShape(Rectangle())
                        .onTapGesture {
                            selectedWorkout(workout)
                        }
                    }
                }
            }
            .refreshable {
                refresh()
            }
            
            TextField("Filter" ,text: $searchString)
                .padding()
                .textFieldStyle(OvalTextFieldStyle())
        }
    }
}