//
// SplitPickerView.swift
// Workouts
//
// Created by rzen on 7/25/25 at 6:24 PM.
//
// Copyright 2025 Rouslan Zenetl. All Rights Reserved.
//

import SwiftUI
import SwiftData

struct SplitListView: View {
    @Environment(\.modelContext) private var modelContext

    @State var splits: [Split]

    @State private var allowSorting: Bool = true

    var body: some View {
        ScrollView {
            LazyVGrid(columns: [GridItem(.flexible()), GridItem(.flexible())], spacing: 16) {
                SortableForEach($splits, allowReordering: $allowSorting) { split, dragging in
                    NavigationLink {
                        SplitDetailView(split: split)
                    } label: {
                        SplitItem(
                            name: split.name,
                            color: Color.color(from: split.color),
                            systemImageName: split.systemImage,
                            exerciseCount: split.exercises?.count ?? 0
                        )
                        .overlay(dragging ? Color.white.opacity(0.8) : Color.clear)
                    }
                }
            }
            .padding()
        }
        .onAppear(perform: loadSplits)
    }
    
    func loadSplits () {
        print("Loading splits")
        do {
            self.splits = try modelContext.fetch(FetchDescriptor<Split>(
                sortBy: [
                    SortDescriptor(\Split.order),
                    SortDescriptor(\Split.name)
                ]
            ))
            print("Loaded \(splits.count) splits")
        } catch {
            print("ERROR: failed to load splits \(error)")
        }
    }
}