//
// CalendarListItem.swift
// Workouts
//
// Created by rzen on 7/18/25 at 8:44 AM.
//
// Copyright 2025 Rouslan Zenetl. All Rights Reserved.
//

import SwiftUI

struct CalendarListItem: View {
    var date: Date
    var title: String
    var subtitle: String?
    var subtitle2: String?
    var count: Int?
    
    var body: some View {
        HStack (alignment: .top) {
            ZStack {
                VStack {
                    Text("\(date.abbreviatedWeekday)")
                        .font(.caption)
                        .foregroundColor(.secondary)
                    Text("\(date.dayOfMonth)")
                        .font(.headline)
                        .foregroundColor(.accentColor)
                    Text("\(date.abbreviatedMonth)")
                        .font(.caption)
                        .foregroundColor(.secondary)
                }
                .padding([.trailing], 10)
            }
            HStack (alignment: .top) {
                VStack (alignment: .leading) {
                    Text("\(title)")
                        .font(.headline)
                    if let subtitle = subtitle {
                        Text("\(subtitle)")
                            .font(.footnote)
                    }
                    if let subtitle = subtitle2 {
                        Text("\(subtitle)")
                            .font(.footnote)
                    }
                }
                if let count = count {
                    Spacer()
                    Text("\(count)")
                        .font(.caption)
                        .foregroundColor(.gray)
                }
            }
        }
        .frame(maxWidth: .infinity, alignment: .leading)
        .contentShape(Rectangle())
    }
}

extension Date {
    private static let monthFormatter: DateFormatter = {
        let formatter = DateFormatter()
        formatter.locale = Locale.current
        formatter.dateFormat = "MMM"
        return formatter
    }()

    private static let dayFormatter: DateFormatter = {
        let formatter = DateFormatter()
        formatter.locale = Locale.current
        formatter.dateFormat = "d"
        return formatter
    }()

    private static let weekdayFormatter: DateFormatter = {
        let formatter = DateFormatter()
        formatter.locale = Locale.current
        formatter.dateFormat = "E"
        return formatter
    }()

    var abbreviatedMonth: String {
        Date.monthFormatter.string(from: self)
    }

    var dayOfMonth: String {
        Date.dayFormatter.string(from: self)
    }

    var abbreviatedWeekday: String {
        Date.weekdayFormatter.string(from: self)
    }
}